US Patent No: 8,103,496

Breakpoint control in an in-circuit emulation system

Stats

Jan 24, 2012
Issued date
Nov 1, 2001
filing date
10/001,477
serial no
In Force
status

Importance

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Abstract

A breakpoint control mechanism for an In-Circuit Emulation system. Break bits are assigned to each instruction address and stored in a lookup table within a base station containing a virtual microcontroller. As a program counter increments, a determination is made as to whether or not a break is to occur by reading the break bit from the lookup table. When a break is to occur, a breakpoint controller issues a break command over an interface to an actual microcontroller under test, thus freeing the microcontroller under test from having to include a look-up table on board for a breakpoint control or otherwise provide specifically for breakpoint control.

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First Claim

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Related Publications

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Patent Owner(s)

Patent Owner	Address	Total Patents
CYPRESS SEMICONDUCTOR CORPORATION	SAN JOSE, CA	1989

International Classification(s)

G06F:ELECTRIC DIGITAL DATA PROCESSING

[Classification Symbol]

[Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Nemecek, Craig	Seattle, WA	26	446
Roe, Steve	Woodinville, WA	17	383

Cited Art

Patent Info	# Cites	Year
CYPRESS SEMICONDUCTOR CORPORATION (114)
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6,981,090 Multiple use of microcontroller pad	43	2001
7,149,316 Microcontroller having an on-chip high gain amplifier	37	2001
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6,957,242 Noninterfering multiply-MAC (multiply accumulate) circuit	36	2001
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6,614,320 System and method of providing a programmable clock architecture for an advanced microcontroller	77	2001
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6,715,132 Datasheet browsing and creation with data-driven datasheet tabs within a microcontroller design tool	38	2001
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6,898,703 System and method for creating a boot file utilizing a boot template	51	2001
6,901,563 Storing of global parameter defaults and using them over two or more design projects	36	2001
6,966,039 Method for facilitating microcontroller programming	29	2001
6,971,004 System and method of dynamically reconfiguring a programmable integrated circuit	31	2001
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6,512,395 Configurable memory for programmable logic circuits	32	2001
6,680,632 Method/architecture for a low gain PLL with wide frequency range	39	2002
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7,150,002 Graphical user interface with logic unifying functions	35	2002
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7,308,608 Reconfigurable testing system and method	30	2002
7,103,108 Digital signal processor transceiver	30	2002
6,661,724 Method and system for programming a memory device	35	2002
6,765,407 Digital configurable macro architecture	41	2002
6,900,663 Low voltage differential signal driver circuit and method	49	2002
6,768,352 Low voltage receiver circuit and method for shifting the differential input signals of the receiver depending on a common mode voltage of the input signals	63	2002
6,911,857 Current controlled delay circuit	42	2002
6,836,169 Single ended clock signal generator having a differential output	38	2002
7,287,112 Dynamic reconfiguration interrupt system and method	31	2002
7,221,187 Programmable microcontroller architecture (mixed analog/digital)	38	2004
6,956,419 Fail-safe zero delay buffer with automatic internal reference	34	2004
7,088,166 LVDS input circuit with extended common mode range	33	2004
7,138,841 Programmable phase shift and duty cycle correction circuit and method	36	2004
7,295,049 Method and circuit for rapid alignment of signals	30	2005
7,386,740 Method for efficient supply of power to a microcontroller	35	2005
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7,312,616 Successive approximate capacitance measurement circuit	43	2006
7,332,976 Poly-phase frequency synthesis oscillator	15	2006
7,400,183 Voltage controlled oscillator delay cell and method	34	2006
2008/0259,998 TEMPERATURE SENSOR WITH DIGITAL BANDGAP	32	2007
2008/0294,806 PROGRAMMABLE SYSTEM-ON-CHIP HUB	23	2008
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5,083,044 Synaptic element and array	66	1989
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5,068,622 CMOS amplifier with offset adaptation	91	1990
5,059,920 CMOS amplifier with offset adaptation	95	1990
5,120,996 Synaptic element and array	70	1990
5,095,284 Subthreshold CMOS amplifier with wide input voltage range	71	1990
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5,109,261 CMOS amplifier with offset adaptation	57	1990
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5,119,038 CMOS current mirror with offset adaptation	59	1991
5,146,106 CMOS winner-take all circuit with offset adaptation	80	1991
5,166,562 Writable analog reference voltage storage device	92	1991
5,107,149 Linear, continuous-time, two quadrant multiplier	59	1991
5,126,685 Circuits for linear conversion between voltages and currents	59	1991
5,160,899 Adaptable MOS current mirror	69	1991
5,303,329 Continuous synaptic weight update mechanism	61	1991
5,204,549 Synaptic element including weight-storage and weight-adjustment circuit	54	1992
5,336,936 One-transistor adaptable analog storage element and array	87	1992
5,331,215 Electrically adaptable neural network with post-processing circuitry	71	1992
5,248,873 Integrated device for recognition of moving objects	63	1992
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5,543,588 Touch pad driven handheld computing device	284	1993
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5,889,236 Pressure sensitive scrollbar feature	210	1995
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5,880,411 Object position detector with edge motion feature and gesture recognition	340	1996
5,861,583 Object position detector	183	1996
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5,854,625 Force sensing touchpad	136	1996
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6,430,305 Identity verification methods	67	1996
5,812,698 Handwriting recognition system and method	100	1997
5,943,052 Method and apparatus for scroll bar control	152	1997
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6,028,271 Object position detector with edge motion feature and gesture recognition	115	1998
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6,188,391 Two-layer capacitive touchpad and method of making same	265	1998
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6,587,093 Capacitive mouse	99	2000
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2002/0191,029 Touch screen with user interface enhancement	139	2002
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7,212,189 Capacitive mouse	48	2003
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5,629,857 Method and system for indicating a status of a circuit design	46	1994
5,604,466 On-chip voltage controlled oscillator	69	1994
5,805,897 System and method for remote software configuration and distribution	146	1995
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5,917,356 Three state phase detector	31	1995
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6,246,410 Method and system for database access	108	1996
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6,055,584 Processor local bus posted DMA FlyBy burst transfers	41	1997
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6,263,339 Dynamic object visualization and code generation	105	1998
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6,499,134 Method of assigning integrated circuit I/O signals in an integrated circuit package	45	2000
6,542,844 Method and apparatus for tracing hardware states using dynamically reconfigurable test circuits	94	2000
6,968,346 XML-based system and method for collaborative web-based design and verification of system-on-a-chip	38	2001
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6,603,348 Center tap level control for current mode differential driver	48	2002
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6,980,060 Adaptive method and apparatus to control loop bandwidth of a phase lock loop	35	2003
7,461,274 Method for maximizing server utilization in a resource constrained environment	32	2005
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2008/0186,052 METHODS, SYSTEMS, AND COMPUTER PROGRAM PRODUCTS FOR USING DIRECT MEMORY ACCESS TO INITIALIZE A PROGRAMMABLE LOGIC DEVICE	31	2007
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5,933,023 FPGA architecture having RAM blocks with programmable word length and width and dedicated address and data lines	174	1996
5,880,598 Tile-based modular routing resources for high density programmable logic device	208	1997
6,023,565 Method for configuring circuits over a data communications link	94	1997
6,011,407 Field programmable gate array with dedicated computer bus interface and method for configuring both	142	1997
5,870,309 HDL design entry with annotated timing	46	1997
6,002,268 FPGA with conductors segmented by active repeaters	66	1997
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6,107,826 Interconnect structure for FPGA with configurable delay locked loop	64	1998
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6,204,687 Method and structure for configuring FPGAS	143	1999
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6,496,971 Supporting multiple FPGA configuration modes using dedicated on-chip processor	111	2000
6,725,441 Method and apparatus for defining and modifying connections between logic cores implemented on programmable logic devices	62	2000
6,421,817 System and method of computation in a programmable logic device using virtual instructions	83	2000
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6,438,738 System and method for configuring a programmable logic device	47	2000
6,539,534 Apparatus and method for automatically generating circuit designs that meet user output requirements	36	2001
6,817,005 Modular design method and system for programmable logic devices	52	2001
6,732,347 Clock template for configuring a programmable gate array	36	2001
6,396,302 Configurable logic element with expander structures	64	2001
6,941,538 Method and system for integrating cores in FPGA-based system-on-chip (SoC)	38	2002
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6,223,147 Multiple use chip socket for integrated circuits and the like	34	1993
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5,479,652 Microprocessor with an external command mode for diagnosis and debugging	166	1994
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6,144,327 Programmably interconnected programmable devices	109	1997
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6,192,431 Method and apparatus for configuring the pinout of an integrated circuit	39	1997
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6,611,276 Graphical user interface that displays operation of processor threads over time	76	1999
6,611,856 Processing multiply-accumulate operations in a single cycle	38	1999
6,604,179 Reading a FIFO in dual clock domains	41	2000
6,967,960 Method and apparatus for emulating a local data port	35	2000
6,636,169 Integrated circuit having circuit blocks that are selectively interconnectable using programming instructions received from a remote location, such as the internet	19	2000
6,617,888 Low supply voltage differential signal driver	56	2002
2002/0133,794 Method and apparatus for integrated circuit debugging	45	2002
6,937,075 Method and apparatus for reducing lock time in dual charge-pump phase-locked loops	43	2003
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5,161,124 Bond programmable integrated circuit	59	1991
6,032,268 Processor condition sensing circuits, systems and methods	76	1992
6,101,457 Test access port	43	1992
5,430,395 Temperature compensated constant-voltage circuit and temperature compensated constant-current circuit	54	1993
5,329,471 Emulation devices, systems and methods utilizing state machines	221	1993
5,563,526 Programmable mixed-mode integrated circuit architecture	187	1994
6,070,003 System and method of memory access in apparatus having plural processors and plural memories	141	1994
5,642,295 Systems utilizing a single chip microcontroller having non-volatile memory devices and power devices	46	1994
6,035,320 Fir filter architecture	41	1995
5,579,353 Dynamic clock mode switch	47	1995
5,901,062 Semiconductor structure design and process visualization through the use of simple process models and intuitive interfaces	42	1996
5,805,792 Emulation devices, systems, and methods	70	1997
5,996,032 System for writing a plurality of data bits less than from the total number of bits in a data register using a single register write operation	56	1997
6,081,140 Control circuit with both positive and negative sensing	47	1998
6,286,127 Control circuit having multiple functions set by a single programmable terminal	46	1998
6,219,729 Apparatus and method for providing for efficient communication between high and low-level processing engine of a disk drive formatter	38	1998
6,281,753 MOSFET single-pair differential amplifier having an adaptive biasing scheme for rail-to-rail input capability	44	1999
6,600,351 Loop filter architecture	47	2002
6,661,288 Apparatus for effecting high speed switching of a communication signal	40	2002
6,949,984 Voltage controlled oscillator having control current compensation	34	2002
6,865,504 Apparatus and method for a reconfigurable pod interface for use with an emulator unit	35	2002
6,643,810 Integrated circuits carrying intellectual property cores and test ports	46	2002
6,963,233 Charge pump phase locked loop with improved power supply rejection	35	2004
7,138,868 Method and circuit for trimming a current source in a package	33	2004
7,282,905 System and method for IDDQ measurement in system on a chip (SOC) design	37	2004
7,392,431 Emulation system with peripherals recording emulation frame when stop generated	6	2005
7,373,437 Multi-channel DMA with shared FIFO	27	2005
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5,341,044 Flexible configuration logic array block for programmable logic devices	48	1993
5,399,922 Macrocell comprised of two look-up tables and two flip-flops	53	1993
5,537,057 Programmable logic array device with grouped logic regions and three types of conductors	232	1995
5,689,195 Programmable logic array integrated circuit devices	269	1995
5,869,979 Technique for preconditioning I/Os during reconfiguration	83	1996
6,049,223 Programmable logic array integrated circuit with general-purpose memory configurable as a random access or FIFO memory	60	1996
5,977,791 Embedded memory block with FIFO mode for programmable logic device	55	1997
6,097,211 Configuration memory integrated circuit	90	1997
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6,110,223 Graphic editor for block diagram level design of circuits	175	1997
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6,049,225 Input/output interface circuitry for programmable logic array integrated circuit devices	41	1998
6,167,364 Methods and apparatus for automatically generating interconnect patterns in programmable logic devices	32	1998
6,130,552 Programmable logic integrated circuit with on-chip DLL or PLL for clock distribution	59	1998
6,401,230 Method of generating customized megafunctions	72	1999
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6,058,452 Memory cells configurable as CAM or RAM in programmable logic devices	43	1999
6,191,998 Programmable logic device memory array circuit having combinable single-port memory arrays	58	1999
6,271,679 I/O cell configuration for multiple I/O standards	55	2000
6,408,432 Apparatus and method for in-system programming of integrated circuits containing programmable elements	77	2000
6,588,004 Graphic editor for block diagram level design of circuits	43	2000
6,634,009 Interleaver-deinterleaver megacore	24	2000
6,745,369 Bus architecture for system on a chip	26	2000
6,492,834 Programmable logic device with highly routable interconnect	38	2001
6,556,044 Programmable logic device including multipliers and configurations thereof to reduce resource utilization	107	2001
6,704,889 Enhanced embedded logic analyzer	105	2002
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4,977,381 Differential relaxation oscillator	38	1989
4,970,408 CMOS power-on reset circuit	90	1989
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5,424,689 Filtering device for use in a phase locked loop controller	57	1993
5,625,316 Tuning circuit for an RC filter	50	1994
5,964,893 Data processing system for performing a trace function and method therefor	63	1995
5,737,760 Microcontroller with security logic circuit which prevents reading of internal memory by external program	142	1995
5,911,059 Method and apparatus for testing software	79	1996
6,026,501 Data processing system for controlling execution of a debug function and method thereof	51	1997
6,003,133 Data processor with a privileged state firewall and method therefore	61	1997
6,298,320 System and method for testing an embedded microprocessor system containing physical and/or simulated hardware	46	1998
6,130,548 Signal converting receiver having constant hysteresis, and method therefor	39	1999
6,380,811 Signal generator, and method	39	2001
6,862,240 Variable refresh control for a memory	40	2004
7,288,977 High resolution pulse width modulator	51	2005
7,616,509 Dynamic voltage adjustment for memory	24	2007
LATTICE SEMICONDUCTOR CORPORATION (18)
4,879,688 In-system programmable logic device	107	1986
5,128,871 Apparatus and method for allocation of resoures in programmable logic devices	189	1990
5,422,823 Programmable gate array device having cascaded means for function definition	124	1994
5,574,678 Continuous time programmable analog block architecture	65	1995
5,521,529 Very high-density complex programmable logic devices with a multi-tiered hierarchical switch matrix and optimized flexible logic allocation	66	1995
5,781,030 Programmable uniform symmetrical distribution logic allocator for a high-density complex PLD	39	1995
5,818,254 Multi-tiered hierarchical high speed switch matrix structure for very high-density complex programmable logic devices	64	1995
5,587,945 CMOS EEPROM cell with tunneling window in the read path	67	1995
5,646,901 CMOS memory cell with tunneling during program and erase through the NMOS and PMOS transistors and a pass gate separating the NMOS and PMOS transistors	57	1996
5,811,987 Block clock and initialization circuit for a complex high density PLD	85	1996
6,130,551 Synthesis-friendly FPGA architecture with variable length and variable timing interconnect	66	1998
6,034,538 Virtual logic system for reconfigurable hardware	113	1998
6,181,163 FPGA integrated circuit having embedded SRAM memory blocks and interconnect channel for broadcasting address and control signals	94	1999
6,031,365 Band gap reference using a low voltage power supply	59	1999
6,701,340 Double differential comparator and programmable analog block architecture using same	35	2000
6,496,969 Programming programmable logic devices using hidden switches	22	2001
6,806,771 Multimode output stage converting differential to single-ended signals using current-mode input signals	37	2002
6,714,066 Integrated programmable continuous time filter with programmable capacitor arrays	39	2002
CIRQUE CORPORATION (16)
5,305,017 Methods and apparatus for data input	275	1992
5,339,213 Portable computer touch pad attachment	152	1992
5,349,303 Electrical charge transfer apparatus	80	1993
5,565,658 Capacitance-based proximity with interference rejection apparatus and methods	170	1994
5,757,368 System and method for extending the drag function of a computer pointing device	80	1995
5,767,457 Apparatus and method for audible feedback from input device	184	1995
6,473,069 Apparatus and method for tactile feedback from input device	172	1995
5,914,708 Computer input stylus method and apparatus	131	1996
5,861,875 Methods and apparatus for data input	112	1996
6,222,528 Method and apparatus for data input	100	1997
6,262,717 Kiosk touch pad	178	1998
6,730,863 Touchpad having increased noise rejection, decreased moisture sensitivity, and improved tracking	60	2000
6,680,731 Flexible touchpad sensor grid for conforming to arcuate surfaces	70	2001
6,639,586 Efficient entry of characters from a large character set into a portable information appliance	59	2001
6,498,720 Connector and support system for a touchpad keyboard for use with portable electronic appliances	57	2002
7,151,528 System for disposing a proximity sensitive touchpad behind a mobile phone keypad	80	2002
NATIONAL SEMICONDUCTOR CORPORATION (16)
5,432,476 Differential to single-ended converter	39	1993
5,438,672 Microcontroller emulator for plural device architecture configured by mode control data and operated under control code transmitted via same switching bus	50	1993
5,495,593 Microcontroller device having remotely programmable EPROM and method for programming	73	1994
5,493,723 Processor with in-system emulation circuitry which uses the same group of terminals to output program counter bits	48	1994
5,546,433 Digital phase lock loop having frequency offset cancellation circuitry	67	1995
5,554,951 Signal conditioning apparatus and method exhibiting accurate input impedance and gain characteristics over common mode range and operational environments	42	1995
5,929,710 Cascode single-ended to differential converter	39	1997
5,986,479 Fully switched, class-B, high speed current amplifier driver	38	1997
6,149,299 Direct temperature sensing of a semiconductor device semiconductor device	66	1997
6,111,431 LVDS driver for backplane applications	100	1998
6,183,131 Linearized temperature sensor	47	1999
6,236,278 Apparatus and method for a fast locking phase locked loop	69	2000
6,678,877 Creating a PC board (PCB) layout for a circuit in which the components of the circuit are placed in the determined PCB landing areas	46	2001
6,788,116 Low voltage differential swing (LVDS) signal driver circuit with low PVT sensitivity	47	2002
6,600,346 Low voltage differential swing (LVDS) signal driver circuit with low PVT and load sensitivity	88	2002
6,809,566 Low power differential-to-single-ended converter with good duty cycle performance	37	2003
LSI LOGIC CORPORATION (14)
5,339,262 Method and apparatus for interim, in-situ testing of an electronic system with an inchoate ASIC	121	1992
5,220,512 System for simultaneous, interactive presentation of electronic circuit diagrams and simulation data	147	1992
5,544,067 Method and system for creating, deriving and validating structural description of electronic system from higher level, behavior-oriented description, including interactive schematic design and simulation	190	1993
5,801,958 Method and system for creating and validating low level description of electronic design from higher level, behavior-oriented description, including interactive system for hierarchical display of control and dataflow information	232	1996
5,933,356 Method and system for creating and verifying structural logic model of electronic design from behavioral description, including generation of logic and timing models	145	1996
6,141,376 Single chip communication device that implements multiple simultaneous communication channels	37	1997
5,867,399 System and method for creating and validating structural description of electronic system from higher-level and behavior-oriented description	133	1997
5,982,229 Signal processing scheme utilizing oversampled switched capacitor filter	37	1997
6,167,077 Using multiple high speed serial lines to transmit high data rates while compensating for overall skew	73	1997
6,216,254 Integrated circuit design using a frequency synthesizer that automatically ensures testability	24	1998
6,385,742 Microprocessor debugging mechanism employing scan interface	38	1999
6,574,590 Microprocessor development systems	40	1999
6,792,584 System and method for designing an integrated circuit	37	2001
7,024,636 Chip management system	36	2002
NATIONAL INSTRUMENTS CORPORATION (14)
5,479,643 Virtual machine programming system	71	1991
5,732,277 Graphical system for modelling a process and associated method	156	1995
5,987,246 Graphical programming system and method including three-dimensional nodes with pre-defined input and output capabilities	58	1997
5,966,532 Graphical code generation wizard for automatically creating graphical programs	166	1997
6,437,805 System and method for accessing object capabilities in a graphical program	158	1998
6,311,149 Reconfigurable test system	123	1999
7,376,904 Automatic generation of programs with GUI controls for interactively setting or viewing values	36	2000
2002/0109,722 System and method for performing type checking for hardware device nodes in a graphical program	58	2000
7,152,027 Reconfigurable test system	46	2001
7,290,244 System and method for configuring a reconfigurable system	55	2001
6,954,904 Creating a graphical program to configure one or more switch devices	35	2002
6,961,686 Specifying and targeting portions of a graphical program for real-time response	33	2003
2006/0031,768 Network-based system for selecting or purchasing software products	31	2005
2006/0015,862 Reconfigurable measurement system utilizing a programmable hardware element and fixed hardware resources	33	2005
RENESAS ELECTRONICS CORPORATION (14)
5,361,290 Clock generating circuit for use in single chip microcomputer	40	1992
5,559,996 Level converter including wave-shaping circuit and emulator microcomputer incorporating the level converter	69	1994
5,530,673 Flash memory control method and information processing system therewith	181	1994
5,664,199 Microcomputer free from control of central processing unit (CPU) for receiving and writing instructions into memory independent of and during execution of CPU	36	1995
5,900,780 Amplifier circuit for CMOS operational amplifier	48	1996
5,963,075 Large scale integrated circuit having functional blocks controlled with clock signals that conduct setting operations at different times	37	1997
6,075,941 Microcomputer	53	1998
6,211,715 Semiconductor integrated circuit incorporating therein clock supply circuit	41	1998
6,043,695 Phase locked loop using a schmitt trigger block	55	1998
6,215,352 Reference voltage generating circuit with MOS transistors having a floating gate	37	1999
6,294,932 Input circuit, output circuit, input-output circuit and method of processing input signals	46	1999
6,754,849 Method of and apparatus for testing CPU built-in RAM mixed LSI	34	2001
6,815,979 Impedance control circuit for controlling multiple different impedances with single control circuit	39	2002
7,015,735 Semiconductor integrated circuit having built-in PLL circuit	44	2003
SAMSUNG ELECTRONICS CO., LTD. (14)
5,184,061 Voltage regulator for generating a constant reference voltage which does not change over time or with change in temperature	28	1991
5,737,557 Intelligent window user interface for computers	70	1995
6,003,107 Circuitry for providing external access to signals that are internal to an integrated circuit chip package	42	1996
6,104,217 Power on/off control circuit and method	34	1997
6,094,730 Hardware-assisted firmware tracing method and apparatus	51	1997
5,956,279 Static random access memory device with burn-in test circuit	38	1998
5,963,503 Synchronous systems having secondary caches	31	1998
6,332,201 Test results checking via predictive-reactive emulation	48	1999
6,236,593 Method for simultaneously programming plural flash memories having invalid blocks	58	2000
6,839,774 Single-chip data processing apparatus incorporating an electrically rewritable nonvolatile memory and method of operating the same	36	2000
6,901,014 Circuits and methods for screening for defective memory cells in semiconductor memory devices	24	2003
6,784,821 Synchronizing circuits and methods for parallel path analog-to-digital converters	35	2003
6,825,869 Apparatus to generate laser beam detect signal	33	2003
7,554,847 Flash memory device employing disturbance monitoring scheme	32	2007
HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P. (13)
5,142,247 Multiple frequency phase-locked loop clock generator with stable transitions between frequencies	101	1991
5,652,893 Switching hub intelligent power management	146	1994
5,754,552 Automatic communication protocol detection system and method for network systems	96	1996
6,816,544 High performance communications interface	46	1997
6,072,803 Automatic communication protocol detection system and method for network systems	82	1998
6,374,370 Method and system for flexible control of BIST registers based upon on-chip events	72	1998
5,988,902 Touchpad overlay with tactile response	96	1999
6,101,617 Computer failure recovery and alert system	58	1999
6,750,889 User interface apparatus for displaying a range indicator for setting a plurality of target objects	39	2000
7,367,017 Method and apparatus for analyzing machine control sequences	35	2001
7,055,035 Method for generating a read only memory image	33	2001
2004/0205,553 Page layout markup language	48	2001
6,988,192 Method and apparatus for compiling source code to configure hardware	30	2002
SYNAPTICS (UK) LIMITED (11)
6,788,221 Signal processing apparatus and method	62	1998
6,705,511 Transducer and method of manufacture	69	1999
6,304,014 Motor control system	73	2000
6,522,128 Position sensor having compact arrangement of coils	82	2000
6,489,899 Position detector	73	2000
6,534,970 Rotary position sensor and transducer for use therein	87	2000
6,667,740 Position sensor	103	2001
6,888,538 Position sensor	104	2002
2003/0062,889 Position detector	55	2002
7,030,782 Position detector	55	2004
7,133,793 Magnetic calibration array	50	2004
ATMEL CORPORATION (10)
5,730,165 Time domain capacitive field detector	378	1995
5,682,032 Capacitively coupled identity verification and escort memory apparatus	110	1996
5,894,565 Field programmable gate array with distributed RAM and increased cell utilization	90	1996
6,014,509 Field programmable gate array having access to orthogonal and diagonal adjacent neighboring cells	107	1997
6,167,559 FPGA structure having main, column and sector clock lines	48	1998
6,188,228 Hammer having integral stud and mains sensor	78	1998
6,288,707 Capacitive position sensor	169	1999
6,466,036 Charge transfer capacitance measurement circuit	190	1999
6,452,514 Capacitive sensor and array	215	2000
6,535,200 Capacitive position sensor	132	2001
TOUCHSENSOR TECHNOLOGIES, LLC (10)
6,310,611 Differential touch sensor and control circuit therefor	223	1997
6,320,282 Touch switch with integral control circuit	192	1999
6,713,897 Touch switch with integral control circuit	42	2001
6,944,018 Control system input apparatus and method	34	2002
6,897,390 Molded/integrated touch switch/control panel assembly and method for making same	47	2002
7,030,513 Touch switch with integral control circuit	41	2003
7,023,215 Field effect sensor two wire interconnect method and apparatus	32	2004
7,026,861 Electronic door latch system with water rejection filtering	30	2004
7,017,409 Proximity sensor for level sensing	41	2004
7,098,414 Integrated touch sensor and light apparatus	38	2004
LUCENT TECHNOLOGIES INC. (9)
5,850,156 Processor supervisory circuit and method having increased range of power-on reset signal stability	44	1996
5,930,150 Method and system for designing and analyzing optical application specific integrated circuits	36	1996
5,935,266 Method for powering-up a microprocessor under debugger control	49	1996
5,914,633 Method and apparatus for tuning a continuous time filter	97	1997
6,121,965 User interface for graphical application tool	108	1997
5,939,904 Method and apparatus for controlling the common-mode output voltage of a differential buffer	98	1998
6,107,882 Amplifier having improved common mode voltage range	61	1998
6,598,178 Peripheral breakpoint signaler	51	1999
6,564,179 DSP emulating a microcontroller	46	1999
MICROCHIP TECHNOLOGY INCORPORATED (9)
5,841,996 Serial communication interface system having programmable microcontroller for use in a battery pack	65	1995
5,670,915 Accurate RC oscillator having peak - to - peak voltage control	73	1996
5,686,844 Integrated circuit pins configurable as a clock input pin and as a digital I/O pin or as a device reset pin and as a digital I/O pin and method therefor	53	1996
6,057,705 Programmable pin designation for semiconductor devices	51	1998
6,052,035 Oscillator with clock output inhibition control	80	1998
6,166,960 Method, system and apparatus for determining that a programming voltage level is sufficient for reliably programming an eeprom	67	1999
6,535,061 Configurable operational amplifier as a microcontroller peripheral	34	2000
2002/0144,099 Hardware architecture for fast servicing of processor interrupts	29	2001
2003/0056,071 Adaptable boot loader	37	2001
MOTOROLA, INC. (9)
4,344,067 Analog to digital converter and method of calibrating same	53	1979
4,326,135 Differential to single-ended converter utilizing inverted transistors	40	1980
5,175,884 Voltage controlled oscillator with current control	101	1990
5,260,979 Circuit and method of switching between redundant clocks for a phase lock loop	93	1991
5,304,955 Voltage controlled oscillator operating with digital controlled loads in a phase lock loop	70	1992
5,414,380 Integrated circuit with an active-level configurable and method therefor	40	1993
5,426,384 Voltage controlled oscillator (VCO) with symmetrical output and logic gate for use in same	50	1993
5,493,246 Circuit and method of canceling leakage current in an analog array	49	1994
5,555,452 Peak and valley signal measuring circuit using single digital-to-analog converter	42	1995
NXP B.V. (9)
5,559,502 Two-wire bus system comprising a clock wire and a data wire for interconnecting a number of stations and allowing both long-format and short-format slave addresses	75	1993
5,590,354 Microcontroller provided with hardware for supporting debugging as based on boundary scan standard-type extensions	164	1994
5,689,196 Circuit comprising a data communication bus	79	1995
6,185,522 Method and system for emulating microcontrollers	42	1998
6,347,395 Method and arrangement for rapid silicon prototyping	58	1998
6,587,995 Enhanced programmable core model with integrated graphical debugging functionality	125	2000
7,100,133 Computer system and method to dynamically generate system on a chip description files and verification information	34	2000
6,636,096 Upscaled clock feeds memory to make parallel waves	33	2001
7,119,602 Low-skew single-ended to differential converter	36	2004
SUN MICROSYSTEMS, INC. (9)
6,014,723 Processor with accelerated array access bounds checking	83	1997
5,874,958 Method and apparatus for accessing information and items across workspaces	91	1997
6,239,798 Methods and apparatus for a window access panel	84	1998
6,557,164 System, method and article of manufacture for creating an object oriented component having multiple bidirectional ports for use in association with a java application or applet	67	1999
6,429,882 User interface component	108	1999
6,507,857 Extending the capabilities of an XSL style sheet to include components for content transformation	124	2000
6,542,845 Concurrent execution and logging of a component test in an enterprise computer system	53	2000
2002/0010,716 System and method for dynamically publishing XML-compliant documents	63	2001
7,017,145 Method, system, and program for generating a user interface	32	2001
APPLE INC. (8)
5,684,952 Supervisory control system for networked multimedia workstations that provides reconfiguration of workstations by remotely updating the operating system	91	1994
5,909,544 Automated test harness	144	1995
6,002,398 Navigation between property pages with tabs and menus	81	1997
6,411,974 Method to collate and extract desired contents from heterogeneous text-data streams	51	1998
5,945,878 Single-ended to differential converter	65	1998
6,323,846 Method and apparatus for integrating manual input	464	1999
2006/0097,991 Multipoint touchscreen	385	2004
2006/0032,680 Method of increasing the spatial resolution of touch sensitive devices	109	2005
FOVEON, INC. (8)
4,876,534 Scanning method and apparatus for current signals having large dynamic range	70	1988
5,270,963 Method and apparatus for performing neighborhood operations on a processing plane	61	1990
5,097,305 Integrating photosensor and imaging system having wide dynamic range	72	1991
5,260,592 Integrating photosensor and imaging system having wide dynamic range with varactors	80	1991
5,276,407 Sense amplifier	59	1992
5,324,958 Integrating imaging systgem having wide dynamic range with sample/hold circuits	76	1992
5,289,023 High-density photosensor and contactless imaging array having wide dynamic range	81	1992
6,097,432 Sense amplifier for high-density imaging array	59	1997
MICROSOFT CORPORATION (8)
6,038,551 System and method for configuring and managing resources on a multi-purpose integrated circuit card using a personal computer	369	1996
6,058,263 Interface hardware design using internal and external interfaces	50	1996
6,567,426 Preemptive timer multiplexed shared memory access	48	1998
6,613,098 Storage of application specific data in HTML	156	1999
6,456,304 Procedural toolbar user interface	96	1999
6,453,175 Multi-function coding element and an associated telecommunications network	34	2001
6,661,410 Capacitive sensing and data input device power management	47	2001
6,950,990 Navigation tool for accessing workspaces and modules in a graphical user interface	87	2001
SYNOPSYS, INC. (8)
6,188,975 Programmatic use of software debugging to redirect hardware related operations to a hardware simulator	70	1998
6,449,761 Method and apparatus for providing multiple electronic design solutions	87	1999
6,438,735 Methods and apparatuses for designing integrated circuits	63	1999
6,263,302 Hardware and software co-simulation including simulating the cache of a target processor	80	2000
6,449,755 Instruction signature and primary input and primary output extraction within an IEEE 1149.1 compliance checker	47	2000
6,581,191 Hardware debugging in a hardware description language	102	2000
6,823,497 Method and user interface for debugging an electronic system	82	2002
2003/0229,482 Apparatus and method for managing integrated circuit designs	50	2003
ADVANCED MICRO DEVICES, INC. (7)
5,357,626 Processing system for providing an in circuit emulator with processor internal state	60	1993
5,552,725 Low power, slew rate insensitive power-on reset circuit	39	1994
5,572,719 Clock control system for microprocessors including a delay sensing circuit	47	1994
6,618,854 Remotely accessible integrated debug environment	57	1997
6,016,554 Method for event-related functional testing of a microprocessor	47	1997
6,185,732 Software debug port for a microprocessor	73	1997
6,041,406 Parallel and serial debug port on a processor	67	1997
FUJITSU LIMITED (7)
4,727,541 Hierarchical data transmission system	83	1985
4,972,372 Programmable device and method of testing programmable device	60	1988
6,018,559 Chain-connected shift register and programmable logic circuit whose logic function is changeable in real time	75	1996
6,664,978 Client-server computer network management architecture	165	1997
6,304,790 System design/evaluation CAD system and program storage medium	51	1998
6,490,213 Crossbar switch and method with crosspoint circuit	40	1999
6,681,280 Interrupt control apparatus and method separately holding respective operation information of a processor preceding a normal or a break interrupt	58	2000
GLOBALFOUNDRIES INC. (7)
5,721,931 Multiprocessing system employing an adaptive interrupt mapping mechanism and method	50	1995
6,009,270 Trace synchronization in a processor	88	1997
6,175,914 Processor including a combined parallel debug and trace port and a serial port	59	1997
6,314,530 Processor having a trace access instruction to access on-chip trace memory	170	1997
6,188,241 Microcontroller having a block of logic configurable to perform a selected logic function and to produce output signals coupled to corresponding I/O pads according to a predefined hardware interface	36	1999
6,535,946 Low-latency circuit for synchronizing data transfers between clock domains derived from a common clock	47	2000
6,628,163 Circuit for tuning an active filter	54	2002
KABUSHIKI KAISHA TOSHIBA (7)
5,280,199 Differential input circuit and operational amplifier with wide common mode input voltage range	47	1992
5,276,890 Resume control system and method for executing resume processing while checking operation mode of CPU	94	1993
6,345,383 Debugging support device and debugging support method	45	1995
5,978,937 Microprocessor and debug system	117	1995
5,941,991 Method of estimating power consumption of each instruction processed by a microprocessor	54	1997
6,452,437 Voltage generator for compensating for temperature dependency of memory cell current	65	2000
6,575,373 Security card and a computer system provided with an interface for reading a security card	39	2000
MENTOR GRAPHICS CORPORATION (7)
5,341,267 Structures for electrostatic discharge protection of electrical and other components	61	1991
6,061,511 Reconstruction engine for a hardware circuit emulator	66	1998
6,356,862 Hardware and software co-verification employing deferred synchronization	55	1998
6,289,489 Method and apparatus for automatically cross-referencing graphical objects and HDL statements	39	1999
6,611,952 Interactive memory allocation in a behavioral synthesis tool	50	2001
2002/0129,334 Interface based design using a tabular paradigm	34	2001
6,757,882 Self-describing IP package for enhanced platform based SOC design	45	2002
BORLAND SOFTWARE CORPORATION (6)
5,416,895 System and methods for improved spreadsheet interface with user-familiar objects	105	1992
5,784,545 System and methods for improved spreadsheet interface with user-familiar objects	46	1995
6,438,565 System and methods for improved scenario management in an electronic spreadsheet	43	1996
6,104,325 System and methods for compressing user settings based on default values	41	1996
5,883,623 System and methods for building spreadsheet applications	105	1997
6,282,551 System and methods for improved spreadsheet interface with user-familiar objects	83	1998
MITSUBISHI DENKI KABUSHIKI KAISHA (6)
4,876,466 Programmable logic array having a changeable logic structure	107	1988
5,384,745 Synchronous semiconductor memory device	233	1993
5,614,861 N-phase modulated signal demodulation system with carrier reproduction	40	1995
5,572,665 Semiconductor integrated circuit for developing a system using a microprocessor	40	1995
6,240,375 Method of simulating an integrated circuit for error correction in a configuration model, and a computer-readable recording medium	35	1998
6,366,300 Visual programming method and its system	129	1998
TORREFY CONSULTING LLC (6)
6,026,134 Phase locked loop (PLL) with linear parallel sampling phase detector	75	1997
6,560,306 Phase locked loop (PLL) with linear parallel sampling phase detector	51	1999
6,782,068 PLL lockout watchdog	45	2000
6,842,710 Calibration of integrated circuit time constants	57	2002
6,667,642 Method and circuit for reducing the power up time of a phase lock loop	35	2002
6,903,613 Voltage controlled oscillator	39	2002
HITACHI, LTD. (5)
4,809,345 Method of and apparatus for enlarging/reducing two-dimensional images	57	1986
4,831,546 Method and apparatus for assisting layout design	56	1987
4,812,684 Multiphase clock distribution for VLSI chip	62	1988
5,633,766 Magnetic disk storage apparatus with phase sync circuit having controllable response characteristics	46	1994
5,968,135 Processing instructions up to load instruction after executing sync flag monitor instruction during plural processor shared memory store/load access synchronization	50	1997
INFINEON TECHNOLOGIES AG (5)
6,223,272 Test vector verification system	46	1998
6,366,878 Circuit arrangement for in-circuit emulation of a microcontroller	37	1998
6,516,428 On-chip debug system	44	1999
6,326,859 Oscillator circuit having trimmable capacitor array receiving a reference current	66	2000
6,504,403 Low voltage differential signal (LVDS) input circuit	38	2000
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. (5)
5,453,904 Power control unit protection apparatus	37	1994
5,978,584 Debugging apparatus for debugging a program by changing hardware environments without changing program operation state	49	1997
5,898,345 Oscillator circuit with first and second frequency control elements	78	1997
6,580,329 PLL bandwidth switching	34	2001
7,030,688 Low-pass filter for a PLL, phase-locked loop and semiconductor integrated circuit	48	2003
SEMICONDUCTOR COMPONENTS INDUSTRIES, LLC (5)
5,552,748 Digitally-tuned oscillator including a self-calibrating RC oscillator circuit	54	1995
5,594,388 Self-calibrating RC oscillator	51	1995
6,554,469 Four current transistor temperature sensor and method	78	2001
7,009,444 Temperature stable voltage reference circuit using a metal-silicon Schottky diode for low voltage circuit applications	31	2004
7,324,380 Method for trimming the temperature coefficient of a floating gate voltage reference	25	2006
VIA TECHNOLOGIES, INC. (5)
6,043,719 Low-voltage, low-jitter voltage controlled oscillator	45	1999
7,030,656 Low voltage differential signaling device with feedback compensation	35	2003
7,305,510 Multiple master buses and slave buses transmitting simultaneously	28	2004
7,154,294 Comparators capable of output offset calibration	39	2005
2005/0280,453 Phase locked loop circuit	34	2005
ANALOG DEVICES, INC. (4)
5,530,444 Differential amplifiers which can form a residue amplifier in sub-ranging A/D converters	59	1995
6,289,300 Integrated circuit with embedded emulator and emulation system for use with such an integrated circuit	62	1998
6,590,422 Low voltage differential signaling (LVDS) drivers and systems	70	2002
6,703,961 Serial interface for an analog to digital converter and a converter including such an interface	23	2002
ARM LIMITED (4)
5,519,854 Write request interlock	35	1994
6,463,488 Apparatus and method for testing master logic units within a data processing apparatus	41	1999
6,718,294 System and method for synchronized control of system simulators with multiple processor cores	63	2000
6,876,941 Testing compliance of a device with a bus protocol	39	2002
FUJITSU SEMICONDUCTOR LIMITED (4)
6,150,866 Clock supplying circuit and integrated circuit device using it	42	1997
6,806,782 Frequency synthesizer circuit	33	2003
7,119,550 Capacitance difference detecting circuit and MEMS sensor	61	2004
7,358,714 Testing method and testing apparatus	30	2006
GOOGLE INC. (4)
6,601,236 Cross platform program installation on drives using drive object	42	1999
6,571,373 Simulator-independent system-on-chip verification methodology	60	2000
6,615,167 Processor-independent system-on-chip verification for embedded processor systems	47	2000
7,283,410 Real-time adaptive SRAM array for high SEU immunity	22	2006
MAXIM INTEGRATED PRODUCTS, INC. (4)
4,868,525 Temperature-stabilized oscillator	67	1988
5,963,105 Trimmable circuitry for providing compensation for the temperature coefficients of a voltage controlled crystal-less oscillator	39	1997
5,982,241 Monolithic oscillator utilizing frequency-locked loop feedback network	42	1997
6,141,764 Method for initializing an electronic device using a dual-state power-on-reset circuit	43	1999
MICRON TECHNOLOGY, INC. (4)
6,134,181 Configurable memory block	42	1999
6,871,253 Data transmission circuit for memory subsystem, has switching circuit that selectively connects or disconnects two data bus segments to respectively enable data transmission or I/O circuit connection	60	2001
6,552,933 Apparatus and method for programming voltage protection in a non-volatile memory system	26	2002
6,853,598 Non-volatile memory with test rows for disturb detection	41	2003
NEC CORPORATION (4)
5,325,512 Circuit emulator	43	1993
5,463,591 Dual port memory having a plurality of memory cell arrays for a high-speed operation	39	1994
5,777,399 Portable electronic apparatus and charge controlling method for portable electronic apparatus	47	1996
5,761,128 Non-volatile semiconductor memory device	43	1997
RICOH COMPANY, LTD. (4)
5,594,890 Emulation system for emulating CPU core, CPU core with provision for emulation and ASIC having the CPU core	49	1994
7,079,166 Graphical user interface with enhanced operations when changing display screen	26	2000
6,628,311 Graphical user interface including hyperlinks in a help message dialog box	41	2000
7,283,151 Pixel clock generation device causing state transition of pixel clock according to detected state transition and phase data indicating phase shift amount	38	2003
SILICON LABORATORIES INC. (4)
6,738,858 Cross-bar matrix for connecting digital resources to I/O pins of an integrated circuit	40	2000
7,091,713 Method and circuit for generating a higher order compensated bandgap voltage	31	2004
7,250,825 Method and apparatus for calibration of a low frequency oscillator in a processor based system	37	2004
7,421,251 Precise frequency generation for low duty cycle transceivers using a single crystal oscillator	35	2005
STMICROELECTRONICS PVT. LTD. (4)
6,567,932 System and method for communicating with an integrated circuit	54	1999
6,591,369 System and method for communicating with an integrated circuit	55	1999
6,601,189 System and method for communicating with an integrated circuit	61	1999
6,356,960 Microprocessor having an on-chip CPU fetching a debugging routine from a memory in an external debugging device in response to a control signal received through a debugging port	66	2000
TEKTRONIX, INC. (4)
4,283,713 Waveform acquisition circuit	78	1979
4,438,404 Signal sampling system	69	1982
4,497,575 Optical fiber test instrument calibrator	64	1982
4,755,766 Differential to single-ended converter	37	1987
U.S. PHILIPS CORPORATION (4)
4,689,740 Two-wire bus-system comprising a clock wire and a data wire for interconnecting a number of stations	144	1981
4,608,502 I.sup.2 L gate circuit arrangement having a switchable current source	33	1983
4,692,718 Tunable astable multivibrator with buffer transistors	57	1986
5,574,852 Integrated microcontroller having a cup-only mode of operation which directly outputs internal timing information for an emulator	36	1994
ACTEL CORPORATION (3)
5,107,146 Mixed mode analog/digital programmable interconnect architecture	99	1991
5,457,410 Architecture and interconnect scheme for programmable logic circuits	200	1993
5,451,887 Programmable logic module and architecture for field programmable gate array device	86	1994
AGILENT TECHNOLOGIES, INC. (3)
6,697,754 Generation and execution of instrument control macro files for controlling a signal measurement system	41	2000
6,683,462 Apparatus for and method of measuring capacitance with high accuracy	54	2001
2008/0086,668 MODEL-BASED TESTING METHOD AND SYSTEM USING EMBEDDED MODELS	23	2006
AVL LIST GMBH (3)
5,864,392 Method for optically detecting gas bubbles moving in a coolant	52	1996
6,320,184 Optoelectric measuring device for monitoring combustion processes	59	1999
6,649,924 Optoelectronic measuring device	54	2000
BURR-BROWN CORPORATION (3)
4,272,760 Self-calibrating digital to analog conversion system and method	103	1979
4,947,169 Dummy/trim DAC for capacitor digital-to-analog converter	66	1989
5,905,398 Capacitor array having user-adjustable, manufacturer-trimmable capacitance and method	85	1997
CADENCE DESIGN SYSTEMS, INC. (3)
5,838,583 Optimized placement and routing of datapaths	195	1996
6,594,799 Method and system for facilitating electronic circuit and chip design using remotely located resources	97	2000
6,578,174 Method and system for chip design using remotely located resources	128	2001
CIRRUS LOGIC, INC. (3)
5,319,370 Analog-to-digital converter with a continuously calibrated voltage reference	103	1992
5,440,305 Method and apparatus for calibration of a monolithic voltage reference	88	1992
6,590,517 Analog to digital conversion circuitry including backup conversion circuitry	46	2002
DALLAS SEMICONDUCTOR CORPORATION (3)
5,200,751 Digital to analog converter using a programmable logic array	60	1989
5,140,197 Filtered detection plus propagated timing window for stabilizing the switch from crystal to ring oscillator at power-down	50	1990
5,150,079 Two-mode oscillator	55	1991
DELL USA, L.P. (3)
6,148,441 Method for reprogramming flash ROM in a personal computer implementing an EISA bus system	42	1994
5,875,293 System level functional testing through one or more I/O ports of an assembled computer system	72	1995
6,748,569 XML server pages language	134	1999
FAIRCHILD SEMICONDUCTOR CORPORATION (3)
5,894,243 Three-pin buck and four-pin boost converter having open loop output voltage control	91	1996
6,781,456 Failsafe differential amplifier circuit	38	2002
6,940,356 Circuitry to reduce PLL lock acquisition time	55	2004
FUJITSU QUANTUM DEVICES LIMITED (3)
6,788,521 Capacitor and method for fabricating the same	43	2002
6,903,402 Interdigital capacitor having a cutting target portion	46	2003
6,949,811 Device having interdigital capacitor	47	2003
INFOPRINT SOLUTIONS COMPANY, LLC, A DELAWARE CORPORATION (3)
5,818,444 Method, apparatus and application for object selective but global attribute modification	43	1996
6,658,498 Method, system, program, and data structures for reconfiguring output devices in a network system	34	1999
2003/0058,469 Method and apparatus for printing XML directly using a formatting template	54	2001
METALINK CORPORATION (3)
4,939,637 Circuitry for producing emulation mode in single chip microcomputer	52	1988
5,313,618 Shared bus in-circuit emulator system and method	134	1992
6,829,727 In-circuit emulation of single chip microcontrollers	42	2001
NEW ANADIGM (3)
5,196,740 Integrated circuit for analogue system	29	1991
5,691,664 Programmable analog array and method for establishing a feedback loop therein	49	1996
5,680,070 Programmable analog array and method for configuring the same	58	1996
PHYSIO-CONTROL, INC. (3)
6,185,450 Digital sliding pole fast-restore for an electrocardiograph display	141	1998
6,280,391 Method and apparatus for removing baseline wander from an egg signal	71	1999
6,714,817 Hard paddle for an external defibrillator	54	2001
QIMONDA AG (3)
5,870,345 Temperature independent oscillator	52	1997
6,728,902 Integrated circuit having a self-test device for carrying out a self-test of the integrated circuit	35	2001
6,819,142 Circuit for transforming a differential mode signal into a single ended signal with reduced standby current consumption	38	2003
QUALCOMM INCORPORATED (3)
6,850,117 CMOS transceiver having an integrated power amplifier	37	2003
6,873,210 Single-ended-to-differential converter with common-mode voltage control	37	2004
2007/0258,458 METHODS AND SYSTEMS FOR ENHANCING LOCAL REPAIR IN ROBUST HEADER COMPRESSION	23	2007
ROHM CO., LTD. (3)
6,337,579 Multichip semiconductor device	75	2000
7,176,701 Semiconductor device, temperature sensor, and electronic apparatus comprising it	34	2003
7,129,873 Variable-order delta sigma modulator and DA converter	39	2004
ROUND ROCK RESEARCH, LLC (3)
5,935,233 Computer system with a switch interconnector for computer devices	37	1997
6,480,921 Reducing internal bus speed in a bus system without reducing readout rate	34	1999
6,704,879 Dynamically controlling a power state of a graphics adapter	47	1999
STMICROELECTRONICS, INC. (3)
6,066,961 Individually accessible macrocell	38	1998
6,362,697 Low supply voltage relaxation oscillator having current mirror transistors supply for capacitors	45	2000
6,769,622 System and method for simulating universal serial bus smart card device connected to USB host	37	2003
UUSI, LLC (3)
5,796,183 Capacitive responsive electronic switching circuit	93	1996
6,377,009 Capacitive closure obstruction sensor	151	2000
6,499,359 Compressible capacitance sensor for determining the presence of an object	75	2001
ADVANTEST CORPORATION (2)
6,678,645 Method and apparatus for SoC design validation	101	1999
6,487,700 Semiconductor device simulating apparatus and semiconductor test program debugging apparatus using it	42	2000
ALCATEL (2)
2003/0041,235 Configuration tool	42	2002
6,791,377 LVDS driver in bipolar and MOS technology	40	2003
ALLEGRO MICROSYSTEMS, INC. (2)
5,245,262 Hybrid control law servo co-processor integrated circuit	47	1992
5,258,760 Digitally dual-programmable integrator circuit	51	1992
AT&T BELL LABORATORIES (2)
5,230,000 Built-in self-test (BIST) circuit	54	1991
5,305,312 Apparatus for interfacing analog telephones and digital data terminals to an ISDN line	268	1992
AUTODESK, INC. (2)
6,614,458 Method and apparatus for displaying and manipulating multiple geometric constraints of a mechanical design	39	2000
2003/0011,639 Collapsible dialog window	66	2001
AVAGO TECHNOLOGIES GENERAL IP PTE. LTD. (2)
6,191,603 Modular embedded test system for use in integrated circuits	74	1999
6,614,260 System and method for dynamic modification of integrated circuit functionality	35	2000
CELOXICA LTD (2)
2003/0105,620 System, method and article of manufacture for interface constructs in a programming language capable of programming hardware architetures	67	2001
2003/0033,588 System, method and article of manufacture for using a library map to create and maintain IP cores effectively	40	2001
CISCO TECHNOLOGY, INC. (2)
6,560,699 Constraint-based language configuration files for updating and verifying system constraints	61	1999
7,161,936 Method and system for distributing data communications utilizing a crossbar switch	33	2001
CTS CORPORATION (2)
5,428,319 Method and apparatus for providing a modified temperature compensation signal in a TCXO circuit	71	1993
5,724,009 Crystal oscillator having input/output pins selectively used for analog or digital signals	45	1996
ELPIDA MEMORY, INC. (2)
6,771,552 Semiconductor memory device and control method	44	2003
6,924,668 Differential to single-ended logic converter	32	2003
ENTERASYS NETWORKS, INC. (2)
5,235,617 Transmission media driving system	54	1991
5,390,173 Packet format in hub for packet data communications system	265	1992
EXAR CORPORATION (2)
6,121,805 Universal duty cycle adjustment circuit	48	1998
6,157,270 Programmable highly temperature and supply independent oscillator	59	1998
FINGER WORKS, INC. (2)
6,677,932 System and method for recognizing touch typing under limited tactile feedback conditions	161	2001
6,570,557 Multi-touch system and method for emulating modifier keys via fingertip chords	201	2001
HITACHI VLSI ENGINEERING CORP. (2)
4,999,519 Semiconductor circuit with low power consumption having emitter-coupled logic or differential amplifier	103	1988
5,377,333 Parallel processor system having computing clusters and auxiliary clusters connected with network of partial networks and exchangers	57	1992
INTEGRATED DEVICE TECHNOLOGY, INC. (2)
6,037,807 Synchronous sense amplifier with temperature and voltage compensated translator	47	1998
6,154,064 Differential sense amplifier circuit	45	1998
INTELLECTUAL VENTURES II LLC (2)
5,687,325 Application specific field programmable gate array	223	1996
6,272,646 Programmable logic device having an integrated phase lock loop	81	1996
INTERSIL CORPORATION (2)
5,808,883 DC-to-DC converter having charge pump and associated methods	48	1997
5,973,368 Monolithic class D amplifier	107	1997
LEXMARK INTERNATIONAL, INC. (2)
5,491,458 Apparatus for spreading the spectrum of a signal and method therefor	61	1994
6,366,174 Method and apparatus for providing a clock generation circuit for digitally controlled frequency or spread spectrum clocking	89	2000
MASSACHUSETTS INSTITUTE OF TECHNOLOGY (2)
6,008,703 Digital compensation for wideband modulation of a phase locked loop frequency synthesizer	209	1997
6,686,860 Reconfigurable analog-to-digital converter	65	2000
MENO CORPORATION, THE, A CORP. OF CA. (2)
4,773,024 Brain emulation circuit with reduced confusion	106	1986
4,802,103 Brain learning and recognition emulation circuitry and method of recognizing events	128	1986
MENTOR GRAPHICS (HOLDING) LTD. (2)
5,999,725 Method and apparatus tracing any node of an emulation	56	1998
6,934,674 Clock generation and distribution in an emulation system	34	1999
NEC ELECTRONICS CORPORATION (2)
4,670,838 Single chip microcomputer capable of debugging an external program without an increase of the number of terminals/ports	62	1984
5,867,046 Multi-phase clock generator circuit	41	1997
OKI ELECTRIC INDUSTRY CO., LTD. (2)
4,969,087 Single-chip microcomputer	40	1987
5,557,762 Digital signal processor evaluation chip and debug method	45	1994
OKI SEMICONDUCTOR CO., LTD. (2)
6,292,028 Output circuit for a transmission system	43	1999
6,873,203 Integrated device providing current-regulated charge pump driver with capacitor-proportional current	63	2003
QUICKLOGIC CORPORATION (2)
5,280,202 Programmable application specific integrated circuit and logic cell therefor	94	1993
5,600,262 Integrated circuit facilitating simultaneous programming of multiple antifuses	63	1995
REAL-TIME INNOVATIONS, INC. (2)
6,718,533 Method for building a real-time control system with mode and logical rate	87	1999
6,865,429 Real-time control system development tool	69	2002
ROCKSTAR BIDCO, LP (2)
5,819,028 Method and apparatus for determining the health of a network	234	1997
6,799,198 Method and apparatus for providing user specific web-based help in a distributed system environment	59	2000
RPX CORPORATION (2)
5,734,334 Programmable port for crossbar switch	52	1995
6,671,869 Method and apparatus for graphically programming a programmable circuit	53	2001
SEIKO EPSON CORPORATION (2)
5,319,771 CPU clock generator having a low frequency output during I/O operations and a high frequency output during memory operations	94	1993
6,249,167 Semiconductor integrated circuit, semiconductor device, and electronic equipment comprising the same	40	1999
SGS-THOMSON MICROELECTRONICS S.R.L. (2)
5,844,404 Voltage regulator for semiconductor non-volatile electrically programmable memory device	36	1996
5,889,723 Standby voltage boosting stage and method for a memory device	36	1997
SHARP KABUSHIKI KAISHA (2)
6,225,866 Series connected multi-stage linear FET amplifier circuit	59	2000
7,266,768 Systems and methods for manipulating electronic information using a three-dimensional iconic representation	44	2001
SILICON LABS CP, INC. (2)
6,507,215 Programmable driver for an I/O pin of an integrated circuit	47	2001
6,509,758 IC with digital and analog circuits and mixed signal I/O pins	49	2001
SILICON STORAGE TECHNOLOGY, INC. (2)
6,223,144 Method and apparatus for evaluating software programs for semiconductor circuits	56	1998
6,173,419 Field programmable gate array (FPGA) emulator for debugging software	79	1998
SIMPOD, INC. (2)
5,748,875 Digital logic simulation/emulation system	82	1996
6,202,044 Concurrent hardware-software co-simulation	68	1998
SOKIA MGMT. LIMITED LIBILITY COMPANY (2)
5,822,387 Apparatus for fast phase-locked loop (PLL) frequency slewing during power on	52	1996
5,872,464 Input buffer with stabilized trip points	51	1996
SONY CORPORATION (2)
6,954,511 Phase-locked loop circuit and delay-locked loop circuit	56	2001
6,768,337 Integrated circuit, method of circuit configuration and program thereof	45	2002
STANDARD MICROSYSTEMS CORPORATION (2)
6,005,904 Phase-locked loop with protected output during instances when the phase-locked loop is unlocked	55	1997
7,281,846 Integrated resistance cancellation in temperature measurement systems	39	2004
TAROFISS DATA LIMITED LIABILITY COMPANY (2)
5,802,290 Computer network of distributed virtual computers which are EAC reconfigurable in response to instruction to be executed	176	1996
2002/0156,998 Virtual computer of plural FPG's successively reconfigured in response to a succession of inputs	43	2001
TELEFONAKTIEBOLAGET LM ERICSSON (PUBL) (2)
4,380,083 Method of and an arrangement in a telecommunication system for regulating the phase position of a controlled signal in relation to a reference signal	44	1980
6,236,242 Line receiver circuit with large common mode range for differential input signals	36	2000
THE CADWARE GROUP, LTD. (2)
4,656,603 Schematic diagram generating system using library of general purpose interactively selectable graphic primitives to create special applications icons	215	1984
4,813,013 Schematic diagram generating system using library of general purpose interactively selectable graphic primitives to create special applications icons	244	1986
THE MATHWORKS, INC. (2)
6,691,301 System, method and article of manufacture for signal constructs in a programming language capable of programming hardware architectures	154	2001
7,809,545 System and method for using execution contexts in block diagram modeling	23	2003
THOMSON CONSUMER ELECTRONICS, INC. (2)
5,159,292 Adaptive phase locked loop	50	1992
5,564,010 Reset signal generator, for generating resets of multiple duration	51	1995
WINBOND ELECTRONICS CORP. (2)
5,414,308 High frequency clock generator with multiplexer	45	1992
6,009,496 Microcontroller with programmable embedded flash memory	82	1997
WISTRON CORPORATION (2)
5,455,927 Dual socket upgradeable computer motherboard with automatic detection and enablement of inserted upgrade CPU chip	54	1992
6,397,232 Method and system for translating the format of the content of document file	103	2001
XEROX CORPORATION (2)
5,479,603 Method and apparatus for producing a composite second image in the spatial context of a first image	75	1993
5,729,704 User-directed method for operating on an object-based model data structure through a second contextual image	147	1996
6467253 (1)
6,732,068 Memory circuit for use in hardware emulation system	144	2001
A. H. CRESANT GROUP LLC (1)
5,781,747 Method and apparatus for extending the signal path of a peripheral component interconnect bus to a remote location	81	1995
ACARD TECHNOLOGY CORP. (1)
6,597,212 Divide-by-N differential phase interpolator	51	2002
ACTERNA LLC (1)
2002/0156,885 Protocol emulator	41	2001
ADAPTEC, INC. (1)
6,201,829 Serial/parallel GHZ transceiver with pseudo-random built in self test pattern generator	107	1998
ADELANTE TECHNOLOGIES B.V. (1)
5,887,189 Microcontroller system for performing operations of multiple microcontrollers	28	1997
AGERE SYSTEMS INC. (1)
7,542,533 Apparatus and method for calibrating the frequency of a clock and data recovery circuit	33	2005
AGERE SYSTEMS OPTOELECTRONICS GUARDIAN CORP. (1)
6,384,947 Two path digital wavelength stabilization	37	1999
ALTERA CANADA CO. (1)
6,828,824 Heterogeneous interconnection architecture for programmable logic devices	41	2003
AMMOCORE TECHNOLOGY, INC. (1)
6,536,028 Standard block architecture for integrated circuit design	179	2000
ANALOGIX/PORTLAND STATE UNIVERSITY (1)
5,959,871 Programmable analog array circuit	100	1994
ANDO ELECTRIC CO., LTD. (1)
4,964,074 In-circuit emulator	62	1989
APPLE COMPUTER, INC. (1)
5,696,952 Dynamic speed switching software for power management	42	1995
APPLIED CONCEPTS, INC. (1)
5,982,105 Transformerless electroluminescent lamp driver topology	44	1997
APTINA IMAGING CORPORATION (1)
6,166,367 Programmable analog arithmetic circuit for imaging sensor	119	1999
ARETE ASSOCIATES (1)
6,404,204 Sensor and sensor system for liquid conductivity, temperature and depth	40	2000
ARM, INC. (1)
5,754,826 CAD and simulation system for targeting IC designs to multiple fabrication processes	128	1995
AVAGO TECHNOLOGIES ECBU IP (SINGAPORE) PTE. LTD. (1)
7,199,783 Wake-up detection method and apparatus embodying the same	26	2003
AVL GESELLSCHAFT FUR VERBRENNUNGSKRAFTMASCHINEN UND MESSTECHNIK M.B.H. PROF.DR.DR.H.C. HANS LIST (1)
5,384,467 Optoelectronic measuring device for monitoring a combustion chamber	65	1993
AVOCENT REDMOND CORP. (1)
6,112,264 Computer interconnection system having analog overlay for remote control of the interconnection switch	85	1999
AZOR, INC. (1)
5,335,342 Automated software testing system	87	1991
BALL AEROSPACE & TECHNOLOGIES CORP. (1)
5,371,878 System for analysis of embedded computer systems	66	1993
BAYER SCHERING PHARMA AKTIENGESELLSCHAFT (1)
6,388,109 14,15-cyclopropano steroids of the 19-norandrostane series, method for the production thereof and pharmaceutical preparations containing said compounds	32	2000
BROADCOM CORPORATION (1)
6,559,685 Regenerative signal level converter	36	2001
BROOKS AUTOMATION, INC. (1)
6,711,731 Web based tool control in a semiconductor fabrication facility	43	2001
BULL S.A. (1)
5,398,261 Integrated circuit having controller impedances and application to transceivers, in particular for communication between units of a system	40	1994
CABOT SAFETY INTERMEDIATE LLC (1)
6,754,101 Refresh techniques for memory data retention	24	2003
CALLAHAN CELLULAR L.L.C. (1)
5,802,073 Built-in self test functional system block for UTOPIA interface	71	1997
CARNEGIE MELLON UNIVERSITY (1)
4,807,183 Programmable interconnection chip for computer system functional modules	106	1988
CERTANCE LLC (1)
4,833,418 Compensation circuit for nullifying differential offset voltage and regulating common mode voltage of differential signals	81	1988
CIENA CORPORATION (1)
6,880,086 Signatures for facilitating hot upgrades of modular software components	153	2001
CITICORP DEVELOPMENT CENTER, INC. (1)
5,933,816 System and method for delivering financial services	398	1997
COLLINS, MARY (1)
4,701,907 Dynamically reconfigurable time-space-time digital switch and network	85	1986
COMMISSARIAT A L'ENERGIE ATOMIQUE (1)
2006/0273,804 Capacitive measuring sensor and associated ,measurement method	53	2004
COMP SCI HOLDINGS, LIMITED LIABILITY COMPANY (1)
6,970,844 Flow designer for establishing and maintaining assignment and strategy process maps	113	2000
COMPAL ELECTRONICS, INC. (1)
6,574,739 Dynamic power saving by monitoring CPU utilization	112	2000
CONEXANT, INC. (1)
6,614,374 High performance switched-capacitor filter for oversampling Sigma-Delta digital to analog converters	42	2001
CREATIVE TECHNOLOGY LTD. (1)
6,051,772 Method and apparatus for emulating a frequency modulation device	36	1997
CRYSTAL SEMICONDUCTOR CORPORATION (1)
6,373,954 Single-chip audio circuitry, method, and systems using the same	41	1997
CYRIX CORPORATION (1)
6,351,789 Built-in self-test circuit and method for validating an associative data array	58	1998
DATEX-OHMEDA, INC. (1)
5,564,108 Non-invasive software update apparatus	73	1995
DELPHI TECHNOLOGIES, INC. (1)
5,699,024 Accurate integrated oscillator circuit	70	1996
DIALOG SEMICONDUCTOR GMBH (1)
6,774,644 Method and circuit for compensating MOSFET capacitance variations in integrated circuits	43	2002
DOT ASSETS NO. 12 LLC (1)
6,211,741 Clock and data recovery PLL based on parallel architecture	64	1999
DSP GROUP SWITZERLAND AG (1)
6,728,900 Microcomputer with test instruction memory	32	2000
DSP GROUP, LTD. (1)
6,421,698 Multipurpose processor for motion estimation, pixel processing, and general processing	60	1998
DYNALITH SYSTEMS CO., LTD. (1)
2002/0052,729 Apparatus and method for verifying a logic function of a semiconductor chip	40	2001
EASTMAN KODAK COMPANY (1)
5,371,524 End pulse width modulation for digital image printer with halftone gray scale capability	33	1991
EMBEDDED ARTISTS AB (1)
2003/0135,842 Software development tool for embedded computer systems	72	2002
ENHANCED ENERGY SYSTEMS, INC., A CORP. OF DE (1)
6,856,433 Holographic recording medium and holographic recording/reproducing apparatus using the same	50	2003
ERICSSON AB (1)
5,608,892 Active cache for a microprocessor	50	1995
ERICSSON INC. (1)
6,236,275 Digital frequency synthesis by sequential fraction approximations	55	1997
ESCALATE, INC. (1)
6,404,445 Method and system for modeling data	74	1999
ESOFT, INC. (1)
6,642,857 Capacitive pointing stick	77	2001
EXONIX CORPORATION (1)
5,949,632 Power supply having means for extending the operating time of an implantable medical device	43	1998
FERMI RESEARCH ALLIANCE, LLC (1)
5,331,315 Switch for serial or parallel communication networks	48	1992
FLUKE CORPORATION (1)
6,624,640 Capacitance measurement	54	2001
FORMFACTOR, INC. (1)
7,342,405 Apparatus for reducing power supply noise in an integrated circuit	36	2002
FORTUNE SEMICONDUCTOR CORPORATION (1)
7,200,507 Method and device for clock calibration	32	2004
FOVEONICS (1)
5,763,909 Integrating imaging system with phototransistor having wide dynamic range	67	1996
FRAUNHOFER-GESELLSCHAFT ZUR FOERDERUNG DER ANGEWANDTEN FORSCHUNG E.V. (1)
5,677,691 Configurable analog and digital array	44	1996
FUJI XEROX CO., LTD. (1)
6,304,101 Programmable logic device, information processing system, method of reconfiguring programmable logic device and method compressing circuit information for programmable logic device	66	2000
FUJITSU MICROELECTRONICS LIMITED (1)
6,634,008 Methodology server based integrated circuit design	81	2000
GEMALTO SA (1)
7,117,485 Using a high level programming language with a microcontroller	34	2001
GENERAL ELECTRIC COMPANY (1)
7,256,588 Capacitive sensor and method for non-contacting gap and dielectric medium measurement	37	2004
GENERAL INSTRUMENT CORPORATION (1)
6,834,384 Methods and apparatus for upgrading firmware in an embedded system	36	2001
GEORGIA TECH RESEARCH CORPORATION (1)
7,034,603 Floating-gate reference circuit	37	2003
GIGA OPERATIONS CORPORATION (1)
5,857,109 Programmable logic device for real time video processing	87	1995
GOLDEN BOOKS PUBLISHING COMPANY, INC. (1)
5,248,843 Electronic musical instrument with sound-control panel and keyboard	39	1991
GOODRICH CORPORATION (1)
2002/0065,646 Embedded debug system using an auxiliary instruction queue	57	2001
GRAND TEK ADVANCE MATERIAL SCIENCE CO., LTD. (1)
6,893,724 Silicone-polyester-polysilicate hybrid compositions for thermal resistance coating	51	2003
GREENLIANT LLC (1)
6,339,815 Microcontroller system having allocation circuitry to selectively allocate and/or hide portions of a program memory address space	131	1998
HARROW PRODUCTS, INC. (1)
5,923,264 Multiple access electronic lock system	77	1995
HAUGH TELECOM LLC (1)
6,917,661 Method, architecture and circuitry for controlling pulse width in a phase and/or frequency detector	36	1999
HEWLETT-PACKARD COMPANY (1)
5,206,582 Control system for automated parametric test equipment	75	1990
HOMEPROJECT.COM, INC. (1)
2004/0205,695 Method and system for web application builder	34	2001
HONEYWELL INC. (1)
5,818,736 System and method for simulating signal flow through a logic block pattern of a real time process control system	32	1996
HTC CORPORATION (1)
6,453,461 Method and apparatus for testing ASL plug and play code in an ACPI operating system	41	1999
HUGHES AIRCRAFT COMPANY (1)
5,481,471 Mixed signal integrated circuit architecture and test methodology	53	1992
HUGHES ELECTRONICS CORPORATION (1)
5,198,817 High-order sigma-delta analog-to-digital converter	43	1990
HUNGARIAN ACADEMY OF SCIENCES RESEARCH INSTITUTE FOR TECHNICAL PHYSICS AND MATERIALS SCIENCE (1)
7,133,140 Apparatus and measurement procedure for the fast, quantitative, non-contact topographic investigation of semiconductor wafers and other mirror like surfaces	42	2004
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