US Patent No: 7,852,874

Number of patents in Portfolio can not be more than 2000

Local area network of serial intelligent cells

ALSO PUBLISHED AS: 20080219288

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A serial intelligent cell (SIC) and a connection topology for local area networks using Electrically-conducting media. A local area network can be configured from a plurality of SIC's interconnected so that all communications between two adjacent SIC's is both point-to-point and bidirectional. Each SIC can be connected to one or more other SIC's to allow redundant communication paths. Communications in different areas of a SIC network are independent of one another, so that, unlike current bus topology and star topology, there is no fundamental limit on the size or extent of a SIC network. Each SIC can optionally be connected to one or more data terminals, computers, telephones, sensors, actuators, etc., to facilitate interconnectivity among such devices. Networks according to the present invention can be configured for a variety of applications, including a local telephone system, remote computer bus extender, multiplexers, PABX/PBX functionality, security systems, and local broadcasting services. The network can use dedicated wiring, as well as existing wiring as the in-house telephone or electrical wiring.

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Patent Owner(s)

Patent OwnerAddressTotal Patents
CONVERSANT INTELLECTUAL PROPERTY MANAGEMENT INC.OTTAWA ONTARIO, CA1285

International Classification(s)

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  • [Patents Count]

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Binder, Yehuda Hod Hasharon, IL 310 2364

Cited Art Landscape

Patent Info (Count) # Cites Year
 
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Echelon Corporation (21)
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5,461,629 Error correction in a spread spectrum transceiver 58 1992
5,347,549 Method and apparatus for interfacing between a twisted pair and an intelligent cell 50 1993
5,424,710 Power coupler for coupling power from a transmission line to a node thereon 38 1993
5,391,932 Source power coupler 58 1993
5,491,402 Apparatus and method for providing AC isolation while supplying DC power 116 1993
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5,485,040 Powerline coupling network 61 1994
5,355,114 Reconstruction of signals using redundant channels 177 1994
5,454,008 Method and apparatus for interfacing between a twisted pair and an intelligent cell 33 1994
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CURRENT TECHNOLOGIES, LLC (19)
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INTEL CORPORATION (13)
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6,130,896 Wireless LAN segments with point coordination 128 1997
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CONVERSANT INTELLECTUAL PROPERTY MANAGEMENT INC. (10)
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INTERNATIONAL BUSINESS MACHINES CORPORATION (10)
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SONY ELECTRONICS INC. (9)
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MOTOROLA MOBILITY LLC (8)
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ALCATEL (7)
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Echelon Systems Corporation (7)
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TUT SYSTEMS, INC. (7)
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AT&T CORP. (6)
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CAIS, INC. {50%} (6)
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FUJITSU LIMITED (6)
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MICROSOFT CORPORATION (6)
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NEC CORPORATION (6)
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NETWORK-1 SECURITY SOLUTIONS, INC. (6)
6,215,789 Local area network for the transmission and control of audio, video, and computer data 116 1999
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PANDUIT CORP. (6)
2003/0154,273 Systems and methods for documenting networks with electronic modules 81 2003
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7,207,846 Patch panel with a motherboard for connecting communication jacks 66 2004
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2006/0262,727 METHOD AND APPARATUS FOR DOCUMENTING NETWORK PATHS 15 2006
 
QUALCOMM INCORPORATED (6)
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SAMSUNG ELECTRONICS CO., LTD. (6)
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SATIUS HOLDING, INC. (6)
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TEXAS INSTRUMENTS INCORPORATED (6)
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WIRE 21, INC. (6)
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BROADCOM CORPORATION (5)
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GLOBALFOUNDRIES INC. (5)
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KABUSHIKI KAISHA TOSHIBA (5)
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5,220,597 Dialing apparatus for power failure extension telephone set of key telephone system 40 1991
6,126,463 Contact apparatus for a network 21 1997
6,157,645 ATM communication system and ATM communication method 79 1997
6,018,690 Power supply control method, power supply control system and computer program product 76 1997
 
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. (5)
4,896,349 Communication controller in a home bus system 65 1988
5,778,303 Multiplexed audio-video signal transmission system through pair-wire 59 1994
6,288,631 Power-line carrier communications system 23 1999
6,934,170 AC adaptor integral-type household-power-line coupler 14 2003
7,049,939 Power line carrier system 15 2003
 
MICROSEMI CORP. - ANALOG MIXED SIGNAL GROUP LTD (5)
5,828,558 PWN controller use with open loop flyback type DC to AC converter 70 1998
6,049,471 Controller for pulse width modulation circuit using AC sine wave from DC input signal 80 1998
6,473,608 Structure cabling system 158 1999
7,254,734 Structure cabling system 13 2003
2007/0206,749 System and Method for Location Identification 12 2007
 
ORTRONICS, INC. (5)
2005/0152,306 Wi-Fi access point device and system 82 2004
2005/0152,323 Plug-in Wi-Fi access point device and system 33 2005
2006/0181,398 Apparatus and method for communication system 26 2005
7,280,032 Apparatus and method for communication system 16 2005
2007/0254,714 Wireless access point 28 2006
 
PHONEX CORPORATION (5)
4,479,033 Telephone extension system utilizing power line carrier signals 96 1982
4,475,193 Power line carrier multi telephone extension system for full duplex conferencing between telephones 127 1982
4,514,594 Power line carrier telephone extension system for full duplex conferencing between telephones and having telephone call hold capability 77 1982
4,523,307 Power line carrier multi telephone extension system for full duplex conferencing and intercom between telephones 95 1982
5,911,119 Secure cordless telephone extension system and method 50 1996
 
ROCKSTAR CONSORTIUM US LP (5)
5,828,293 Data transmission over a power line communications system 110 1997
6,037,678 Coupling communications signals to a power line 70 1997
5,977,650 Transmitting communications signals over a power line network 74 1998
6,404,773 Carrying speech-band signals over a power line communications system 90 1998
6,785,532 Power line communications 50 1999
 
ROCKWELL INTERNATIONAL CORPORATION (5)
4,188,619 Transformer arrangement for coupling a communication signal to a three-phase power line 78 1978
4,433,284 Power line communications bypass around delta-wye transformer 73 1982
4,458,236 Communications signal coupling around wye/delta power transformation 16 1982
4,473,816 Communications signal bypass around power line transformer 69 1982
4,473,817 Coupling power line communications signals around distribution transformers 79 1982
 
SIEMENS AKTIENGESELLSCHAFT (5)
4,321,581 Powerline carrier control system 20 1979
4,528,667 System for the transmission of information messages 40 1983
4,780,714 Selective voltage supply system for data network distributor 30 1986
6,160,795 Network communication 65 1999
2003/0090,368 Device and method for converting a two-directional so data stream for transmission via a low-voltage power network 39 2002
 
SUBAUDITION WIRELESS LLC (5)
6,980,089 Non-intrusive coupling to shielded power cable 45 2001
7,053,756 Facilitating communication of data signals on electric power systems 26 2001
7,199,699 Facilitating communication with power line communication devices 15 2002
6,982,611 Power line coupling device and method of using the same 17 2002
7,307,510 Power meter bypass device and method for a power line communications system 14 2005
 
ADTRAN, INC. (4)
6,584,197 Power-limited remote termination converter with wetting current and emergency power operation for digital data transmission equipment 37 1999
6,690,792 Active decoupling and power management circuit for line-powered ringing generator 30 1999
6,580,254 Apparatus and method for providing span power to communication equipment at a customer premise 38 2001
6,917,681 Peak power management and active decoupling arrangement for span-powered remote terminal access platforms 28 2002
 
AMPERION, INC. (4)
5,684,450 Electricity distribution and/or power transmission network and filter for telecommunication over power lines 113 1994
6,144,292 Powerline communications network employing TDMA, FDMA and/or CDMA 122 1996
6,282,405 Hybrid electricity and telecommunications distribution network 90 1997
6,885,674 Communications system for providing broadband communications using a medium voltage cable of a power system 88 2003
 
ARRIS ENTERPRISES, INC. (4)
5,421,030 Communications system and method for bi-directional communications between an upstream control facility and downstream user terminals 149 1991
6,033,101 Cable television radio frequency and AC Power multitap 48 1994
6,081,533 Method and apparatus for an application interface module in a subscriber terminal unit 167 1997
7,310,355 Apparatus and method for powering a network device 44 2002
 
ASOKA USA CORPORATION (4)
7,136,936 Method and system for virtual powerline local area networks 38 2003
7,413,471 Integrated connector for powerline network and power supply 14 2005
7,401,239 Internal powerline power supply method and system 14 2005
2007/0082,649 Power line communication and AC power outlet apparatus and method 23 2005
 
CONEXANT SYSTEMS, INC. (4)
6,741,162 Power line networking apparatus and method 26 2000
6,373,377 Power supply with digital data coupling for power-line networking 67 2000
2002/0150,155 Convergence speed, lowering the excess noise and power consumption of equalizers 65 2001
6,854,059 Method and apparatus for medium access control in powerline communication network systems 63 2001
 
DISTRIBUTION CONTROL SYSTEMS, INC. (4)
4,914,418 Outbound detector system and method 25 1989
4,963,853 Simultaneous inbound multi-channel communication system using electricity distribution network 28 1989
5,198,796 Outbound signal detector system and method 57 1991
5,262,755 Inbound communications using electricity distribution network 22 1991
 
HUNT TECHNOLOGIES, INC. (4)
5,581,229 Communication system for a power distribution line 91 1993
6,154,488 Low frequency bilateral communication over distributed power lines 84 1997
6,177,884 Integrated power line metering and communication method and apparatus 70 1998
7,180,412 Power line communication system having time server 31 2003
 
LENOVO (SINGAPORE) PTE LTD. (4)
6,175,860 Method and apparatus for an automatic multi-rate wireless/wired computer network 209 1997
6,049,881 Power adapter for powering a remote device through a computer data port 24 1998
6,601,097 Method and system for determining the physical location of computers in a network by storing a room location and MAC address in the ethernet wall plate 93 2000
7,257,108 Determining the physical location of resources on and proximate to a network 37 2004
 
LG ELECTRONICS INC. (4)
6,290,141 Communication module and initialization method for multi-air conditioner system 19 1999
6,904,134 Network infrastructure integrated system 67 2001
2007/0025,368 Home network system 65 2004
7,135,982 Home network system and control method for the same 61 2004
 
NEVERMORE SOLUTIONS LLC (4)
6,764,343 Active local area network connector 82 2003
6,996,458 Power over ethernet switch node for use in power pooling 56 2004
7,170,194 Configurable multiple power source system 37 2004
7,281,141 Bypass discharge path for a power sourcing equipment 39 2005
 
ROSEMOUNT INC. (4)
4,339,750 Low power transmitter 24 1980
5,610,552 Isolation circuitry for transmitter electronics in process control system 45 1995
5,973,942 Start up circuit for DC powered field instrument 63 1998
7,330,695 Bus powered wireless transmitter 18 2003
 
SGS-Thomson Microelectronics S.A. (4)
5,406,248 Method and apparatus for managing information transmissions on an electrical distribution circuit 19 1992
5,410,292 Method and system for communicating information within a dwelling or a property 41 1992
6,212,658 Method for the correction of a message in an installation 47 1994
5,818,710 Intelligent electric socket 35 1997
 
THERMO KING CORPORATION (4)
4,885,563 Power line carrier communication system 58 1988
4,885,564 Power line carrier communication system for monitoring refrigerated containers 40 1988
4,896,277 Method of mapping refrigerated containers in a power line carrier based monitoring system 53 1988
4,903,006 Power line communication system 98 1989
 
UNITED ACCESS TECHNOLOGIES, LLC (4)
6,185,284 Voice and data transmission over twisted wire pairs 34 1998
6,236,718 Video transmission and control system utilizing internal telephone lines 26 1999
6,243,446 Distributed splitter for data transmission over twisted wire pairs 30 1999
6,542,585 Distributed splitter for data transmission over twisted wire pairs 25 2002
 
VERIZON PATENT AND LICENSING INC. (4)
5,247,347 PSTN architecture for video-on-demand services 835 1991
5,630,204 Customer premise wireless distribution of broad band signals and two-way communication of control signals over power lines 173 1995
6,069,890 Internet telephone service 416 1996
6,157,716 Power feed circuit providing both on-hook and off-hook power for telephone subscriber loop 24 1998
 
ACCELERATED PERFORMANCE, INC. (3)
2002/0104,009 Portable computer that can be plugged into a backplane 56 2001
6,868,265 Locator for physically locating an electronic device in a communication network 68 2002
2004/0147,232 Wall mounted wireless transceiver that tracks a location of a wireless communication device 72 2003
 
ACCTON TECHNOLOGY CORPORATION (3)
2004/0232,768 PORTABLE ELECTRONIC DEVICE FOR RECEIVING POWER OVER A NETWORK 29 2003
6,912,145 Power injector apparatus 24 2003
2006/0197,387 NETWORK POWER SPLITTER FOR SUPPLYING POWER FROM A NETWORK TO A PORTABLE ELECTRONIC DEVICE 10 2005
 
AGILENT TECHNOLOGIES, INC. (3)
6,889,095 Computer network adapted for industrial environments 18 1998
6,348,874 Power distribution to nodes in a distributed system 82 1998
2005/0201,306 Method and system for supplying power to multiple devices using power-transmitting network connections 26 2004
 
ALCATEL N.V. (3)
4,821,319 Single line telephone communication system 89 1987
5,014,308 Circuit arrangement for providing power for an IC chip in a telephone subset 31 1990
5,754,539 Local area network for use in office communications and a circuit arrangement therefor 63 1996
 
AMBIENT CORPORATION (3)
6,844,810 Arrangement of a data coupler for power line communications 44 2003
7,148,799 Arrangement of daisy chained inductive couplers for data communication 15 2004
7,339,458 Power line communications interface and surge protector 12 2005
 
APPLE INC. (3)
5,483,656 System for managing power consumption of devices coupled to a common bus 146 1993
5,579,486 Communication node with a first bus configuration for arbitration and a second bus configuration for data transfer 74 1993
7,343,506 Automatic power management of a network powered device 27 2005
 
ARKADOS, INC. (3)
2003/0133,473 Power line communication system 83 2002
7,245,625 Network-to-network adaptor for power line communications 14 2002
2004/0006,484 Method and system for media content data distribution and consumption 43 2002
 
AT&T Bell Laboratories (3)
5,343,240 Bidirectional video telephony using shared channels on coaxial cable networks 151 1991
5,285,477 Balanced line driver for local area networks or the like 36 1991
5,268,666 Appliance control system providing out-of-context usage 104 1991
 
CANON KABUSHIKI KAISHA (3)
6,016,519 Data communication system, data communication device and memory medium, for storing data communication program 40 1997
6,526,516 Power control system and method for distribution of power to peripheral devices 97 1998
6,584,519 Extender for universal serial bus 41 1998
 
CAP TECHNOLOGIES, LLC (3)
2002/0031,114 Priority packet transmission system for telephony, latency-sensitive data, best-effort data and video streams in a shared transmission media such as passive coax distribution 34 2001
2002/0116,720 Multi-band coax extender for in-building digital communication systems 39 2002
2004/0178,888 Bi-directional transfer of signals between a power line communication system and a coaxial distribution system 26 2004
 
CURRENT GRID, LLC (3)
6,624,532 System and method for utility network load control 108 2001
7,194,528 Method and apparatus for processing inbound data within a powerline based communication system 27 2001
7,142,094 Last leg power grid high-speed data transmitter and receiver structures 41 2003
 
ELCOM TECHNOLOGIES CORPORATION (3)
5,712,614 Power line communications system 99 1995
5,898,347 Large signal attenuator 8 1996
5,777,545 Remote control apparatus for power line communications system 58 1997
 
Honeywell Information Systems Inc. (3)
4,303,993 Memory present apparatus 88 1979
4,633,218 Apparatus for receiving low level digital signals transmitted over power lines 29 1983
4,675,648 Passive signal coupler between power distribution systems for the transmission of data signals over the power lines 103 1984
 
HONEYWELL INTERNATIONAL INC. (3)
6,320,494 Full duplex communication system with power transfer on one pair of conductors 21 2000
7,081,827 Power over Ethernet-prioritized active splitter 35 2004
7,247,793 Wall plate adapter for coupling home network control signals to AC power wiring 16 2005
 
LUTRON ELECTRONICS CO., INC. (3)
5,736,965 Compact radio frequency transmitting and receiving antenna and control device employing same 178 1996
5,848,054 Repeater for transmission system for controlling and determining the status of electrical devices from remote locations 169 1996
5,905,442 Method and apparatus for controlling and determining the status of electrical devices from remote locations 308 1996
 
MAIN.NET COMMUNICATIONS LTD. (3)
6,995,657 Power line communication system 44 2001
7,406,536 Dynamic power line access connection 13 2002
2004/0037,317 Multimedia communications over power lines 82 2003
 
MARVELL INTERNATIONAL LTD. (3)
7,203,851 Method and apparatus for detecting and supplying power by a first network device to a second network device 45 2002
6,825,672 Cable tester 55 2002
6,977,507 Cable tester with indicator 43 2002
 
MATSUSHITA ELECTRIC WORKS, LTD. (3)
4,377,804 Synchronous data transmission system utilizing AC power line 34 1980
4,556,865 Data transmission system utilizing power line 30 1982
4,599,598 Data transmission system utilizing power line 78 1985
 
MITSUBISHI DENKI KABUSHIKI KAISHA (3)
4,763,104 Gateway for use in load control system 29 1987
5,563,515 Cylinder identifying apparatus for a multi-cylinder internal combustion engine with misfire detection 27 1993
2005/0239,400 Radio access line extending device 26 2004
 
MURATA MANUFACTURING CO., LTD. (3)
5,032,819 Data communications system 105 1989
5,181,240 Data circuit-terminating equipment with power source device 45 1991
5,461,671 Telephone line power utility circuit 60 1993
 
OSRAM SYLVANIA INC. (3)
5,264,823 Power line communication system 66 1992
5,689,230 Energy monitoring and control system using reverse transmission on AC line 48 1995
5,691,691 Power-line communication system using pulse transmission on the AC line 72 1997
 
PITTWAY CORPORATION (3)
4,418,333 Appliance control system 254 1981
4,746,809 AC power line signaling system 36 1986
5,525,962 Communication system and method 49 1994
 
RPX CORPORATION (3)
5,774,526 Reconfigurable on-demand telephone and data line system 107 1996
7,406,094 Power line communication network 13 2001
7,221,261 System and method for indicating a configuration of power provided over an ethernet port 20 2004
 
SCIENTIFIC-ATLANTA, INC. (3)
5,581,801 Apparatus for distributing RF signals and AC power to taps 47 1995
5,781,844 Method and apparatus for distributing a power signal and an RF signal 44 1996
6,393,607 AC port device for cable television tap 48 1999
 
SHARP KABUSHIKI KAISHA (3)
4,745,392 Noise reduction in signal transmission system over building power distribution wiring 24 1982
4,611,274 Data transmission system via power supply line 38 1983
5,483,574 Communication terminal equipment 68 1992
 
3COM CORPORATION (2)
4,766,402 Apparatus for matching unbalanced R. F. baseband signals to balanced signals on a twisted two-wire line 135 1987
2005/0177,640 Method for selectively providing access to voice and data networks by use of intelligent hardware 56 2001
 
ADAPTIVE NETWORKS, INC. (2)
4,815,106 Power line communication apparatus 228 1986
5,727,004 Method and apparatus for data encoding and communication over noisy media 12 1995
 
AG COMMUNICATION SYSTEMS CORPORATION, 2500 W. UTOPIA RD., PHOENIX, AZ 85027, A DE CORP. (2)
5,175,764 Enhanced high voltage line interface circuit 79 1990
5,978,373 Wide area network system providing secure transmission 98 1997
 
ALCATEL CIT (2)
4,825,349 Emergency D.C. power supply with the emergency state being indicated by polarity reversal 39 1988
5,528,089 Remote power feed device for electronic equipment 22 1993
 
Amtel Systems Corporation (2)
4,380,009 Message communication system 51 1980
4,538,136 Power line communication system utilizing a local oscillator 74 1981
 
ANDREW LLC (2)
5,774,789 RF communication signal distribution system and method 72 1995
5,896,556 Apparatus and method for providing a telephone connection over a coax cable distribution system 84 1997
 
Applied Spectrum Technologies, Inc. (2)
4,672,605 Data and voice communications system 397 1984
4,724,435 Bi-directional data telemetry system 215 1985
 
AT&T Information Systems Inc. (2)
4,807,225 Telephone line carrier system 131 1987
4,924,492 Method and apparatus for wideband transmission of digital signals between, for example, a telephone central office and customer premises 170 1988
 
ATHEROS COMMUNICATIONS, INC. (2)
5,090,024 Spread spectrum communications system for networks 183 1989
2004/0130,413 Power supply system and method using analog coupling circuitry for power-line communications 13 2003
 
AVOCENT HUNTSVILLE CORPORATION (2)
5,268,676 Computer-monitor extended range communications link 54 1990
5,353,409 Computer-monitor extended range communications link 44 1990
 
Charles Industries, Ltd. (2)
5,289,359 DC-DC power converter including sensing means for providing an output when the reserve power of the converter falls below a predetermined amount for a given input voltage 91 1992
6,658,109 Method and apparatus for supplying power to a twisted pair wire on a telecommunications modem transmission link 25 1999
 
CONTROL-SENSE SOLUTIONS, INC. (2)
5,099,444 Peripheral data acquisition transmission and control device 33 1989
5,400,246 Peripheral data acquisition, monitor, and adaptive control system via personal computer 531 1992
 
D-LINK CORPORATION (2)
7,162,650 Network switching apparatus for supplying power to network communication equipment through twisted pair line 16 2001
2008/0186,150 Plug-and-play network digital image display apparatus and image monitoring system 12 2007
 
DATAWATT B.V. A CORPORATION OF THE NETHERLANDS (2)
4,809,296 Method for transmitting data via the lines of a power supply system 47 1987
5,093,828 Method of exchanging data 30 1990
 
Dell USA, L.P. (2)
6,009,479 System and method for assigning unique addresses to agents on a system management bus 68 1997
5,944,831 Power management apparatus and method for managing power application to individual circuit cards 50 1997
 
ENTERASYS NETWORKS, INC. (2)
5,410,535 Automatic selection of an interface for ethernet stations 64 1992
5,838,989 Common interface for a network having different communication media employing a carrier sense multiple access with collision detection (CSMA/CD) protocol 40 1995
 
GENERAL INSTRUMENT CORPORATION (2)
4,937,811 Communication network 56 1989
5,334,975 Residential time reference system 54 1991
 
HOME TOUCH LIGHTING SYSTEMS LLC (2)
6,377,163 Power line communication circuit 15 2000
6,559,757 Data communication over power lines 27 2000
 
ITRON, INC. (2)
4,968,970 Method of and system for power line carrier communications 57 1989
5,032,833 Adaptive network routing for power line communications 115 1989
 
JDS UNIPHASE CORPORATION (2)
6,975,209 In-line power tap device for Ethernet data signal 37 2002
2008/0013,612 Home Network Testing 14 2007
 
LANTIQ DEUTSCHLAND GMBH (2)
7,113,574 Integrated telephone set with an xDSL-modem 57 2000
6,996,729 DSL communication apparatus with lifeline functionality suitable for transmitting and receiving voice signals during power failure 44 2002
 
LEVITON MANUFACTURING CO., INC. (2)
6,901,439 Method of adding a device to a network 168 2000
2007/0198,748 POWER LINE COMMUNICATION HUB SYSTEM AND METHOD 67 2007
 
LGZ Landis & Gyr Zug AG (2)
4,307,380 Transmitting signals over alternating current power networks 46 1977
4,371,867 Transmitting signals over alternating current power networks 25 1980
 
LINEAR TECHNOLOGY CORPORATION (2)
7,356,588 Circuits and methods for detecting the presence of a powered device in a powered network 42 2003
2006/0168,459 Providing data communication between power supply device and powered device in system for supplying power over communication link 30 2005
 
M&FC HOLDING COMPANY, INC., A DE. CORP. (2)
4,216,543 Means for deriving baud timing from an available AC signal 19 1979
4,481,501 Transformer arrangement for coupling a communication signal to a three-phase power line 64 1981
 
MARCONI ACCESS SYSTEMS NORTH AMERICA (2)
6,763,109 Copper based interface system and regulated power source 25 2000
6,775,299 Copper based interface system and data frame format 24 2000
 
Merlin Gerin (2)
5,089,974 Building technical management controller with a two-wire data and power transmission line 119 1989
5,477,091 High quality electrical power distribution system 169 1992
 
MICROSEMI SEMICONDUCTOR (U.S.) INC. (2)
5,583,934 DC level control for an electronic telephone line card 50 1995
5,878,133 Digital direct current feed control for a communication system 36 1996
 
MITEL NETWORKS CORPORATION (2)
6,480,122 Power supply for ethernet LAN connected telephone 32 2000
7,030,733 Power supply for phantom-feed LAN connected device using spare-pair powering 26 2003
 
NATIONAL SEMICONDUCTOR CORPORATION (2)
4,642,607 Power line carrier communications system transformer bridge 138 1985
5,805,597 Method and apparatus for providing low power basic telephony type service over a twisted pair ethernet physical layer 71 1996
 
NELLCOR PURITAN BENNETT LLC (2)
5,368,041 Monitor and method for acquiring and processing electrical signals relating to bodily functions 59 1992
5,381,804 Monitor and method for acquiring and processing electrical signals relating to bodily functions 66 1993
 
New England Power Service Company (2)
4,400,688 Method and apparatus for communication over electric power lines 48 1980
4,559,520 Method for communication utilizing multi-mode reception 25 1982
 
NEXT LEVEL COMMUNICATIONS, INC. (2)
6,081,519 In-home communication system 108 1996
6,317,884 Video, data and telephony gateway 197 1998
 
NORTEL NETWORKS LIMITED (2)
5,323,461 Telephone line interface circuit with voltage switching 67 1992
5,726,980 Time division duplex communications repeater 80 1996
 
NORTHVU INC. (2)
6,038,425 Audio/video signal redistribution system 148 1998
6,567,981 Audio/video signal redistribution system 108 2000
 
OKI ELECTRIC INDUSTRY CO., LTD. (2)
6,107,656 Ferroelectric transistors, semiconductor storage devices, method of operating ferroelectric transistors and method of manufacturing ferromagnetic transistors 29 1997
6,681,013 Power feeding system for telephone terminal in LAN 41 1999
 
PANASONIC CORPORATION (2)
2007/0167,144 Communication apparatus and communication method 32 2007
2008/0013,637 MULTI-CARRIER COMMUNICATION APPARATUS, POWER LINE COMMUNICATION CIRCUIT, AND MULTI-CARRIER COMMUNICATION METHOD 13 2007
 
PHONEX BROADBAND CORPORATION (2)
4,829,570 Wireless remote speaker system 158 1987
4,847,903 Wireless remote speaker system 55 1987
 
Pico Electronics Limited (2)
4,200,862 Appliance control 149 1977
4,638,299 Electrical appliance control 51 1983
 
POWERLINE INNOVATIONS, LLC (2)
5,471,190 Method and apparatus for resource allocation in a communication network system 74 1992
2008/0165,463 THERMAL MANAGEMENT METHOD AND DEVICE FOR POWERLINE COMMUNICATIONS 12 2007
 
PULSAR TECHNOLOGIES, INC. (2)
4,471,399 Power-line baseband communication system 92 1982
4,636,771 Power line communications terminal and interface circuit associated therewith 91 1984
 
QUALCOMM ATHEROS, INC. (2)
5,278,862 Timing for spread-spectrum communication across noisy media 81 1992
2007/0036,171 Bridging coaxial cable networks 24 2005
 
RAD DATA COMMUNICATIONS, INC. (2)
4,534,039 Dataset powered by control and data signals from data terminal 16 1983
4,677,646 Dataset powered by control and data signals from data terminal 35 1985
 
Robertshaw Controls Company (2)
4,344,066 Noise trap arrangement for AC power line communication systems 17 1980
4,429,299 Two-way AC power line communications system 77 1981
 
RUSSOUND/FMP, INC. (2)
6,389,139 Powered volume control for distributed audio system 43 1997
2003/0035,556 Audio distribution system 26 2002
 
SIGMA DESIGNS ISRAEL S.D.I. LTD. (2)
6,763,097 Source adaptive digital subscriber line and method 74 2001
7,408,949 Hybrid telephone, non-telephone network 34 2004
 
SILICON LABORATORIES INC. (2)
6,587,560 Low voltage circuits powered by the phone line 34 1998
6,240,166 LAN connection using analog modems via telephone wiring 76 1998
 
SILICON VALLEY BANK (2)
5,274,631 Computer network switching system 376 1991
6,831,921 Wireless internet access system 66 2002
 
SKYWORKS SOLUTIONS, INC. (2)
5,892,792 12-chip coded spread spectrum modulation for direct conversion radio architecture in a digital cordless telephone 47 1995
6,653,932 System and method for achieving wireless communications coverage in a local area 81 1999
 
SONY CORPORATION (2)
6,396,393 Transmitting device, receiving device, and receiving method 46 2000
6,985,714 Communication system, communication terminal and communication method 76 2002
 
T.M.T. THIRD MILLENIUM TECHNOLOGIES LTD. (2)
2002/0194,383 Cableran home networking over coaxial cables 72 2001
2002/0194,605 Cableran networking over coaxial cables 88 2001
 
TDK CORPORATION (2)
6,987,430 Power line communication system and power line branching apparatus 15 2002
2006/0140,260 Power supply line communication modem and power supply line communication system 20 2004
 
TeleNetwork, Inc. (2)
6,275,144 Variable low frequency offset, differential, ook, high-speed power-line communication 68 2000
6,449,318 Variable low frequency offset, differential, OOK, high-speed twisted pair communication 99 2000
 
THALIA PRODUCTS, INC. (2)
2002/0011,923 Appliance Communication And Control System And Appliance For Use In Same 102 2000
6,587,739 Appliance communication and control system and appliances for use in same 212 2000
 
THOMSON LICENSING (2)
6,577,231 Clock synchronization over a powerline modem network for multiple devices 61 2001
6,747,859 Modular power line network adapter 129 2001
 
TII Industries, Inc. (2)
6,188,557 Surge suppressor 88 1998
6,282,075 Surge suppressor with virtual ground 70 1999
 
TYCO INTERNATIONAL LTD., A CORPORATION OF BERMUDA (2)
5,610,922 Voice plus 4-wire DDS multiplexer 79 1995
6,236,664 Pair gain system with an ADSL repeater unit 57 1999
 
U.S. Philips Corporation (2)
5,892,795 Telecommunication system and modem for transmission of modulated information signals over power supply lines 28 1996
6,097,761 Method and system for the transmission of data and power 58 1998
 
UNIVERSAL ELECTRONICS INC. (2)
6,518,724 Wall switch device and power outlet device 67 2001
6,864,798 Device docking apparatus and method for using the same 75 2001
 
XEROX CORPORATION (2)
4,272,759 16 Bit analog to digital converter 28 1978
4,733,389 Drop cable for a local area network 86 1986
 
2WIRE, INC. (1)
6,778,646 System and method for coupling multiple home networks 83 1999
 
ABB METERING SYSTEMS LIMITED (1)
4,254,403 Systems for transmitting information in an alternating current electricity supply system 27 1979
 
Abet Technologies, LLC (1)
6,906,618 Method and system for bidirectional data and power transmission 30 2003
 
Aboundi, Inc. (1)
2005/0281,326 Transceiver apparatus and method having ethernet-over-power and power-over-ethernet capability 66 2004
 
ACEX Technologies, Inc. (1)
5,684,826 RS-485 multipoint power line modem 118 1996
 
ACTICON TECHNOLOGIES LLC (1)
4,543,450 Integrated connector and modem 48 1984
 
Actpro International Limited (1)
6,553,076 Mixed mode transceiver digital control network and collision-free communication method 42 1999
 
ADC (1)
6,364,535 Upgradeable media wall converter and housing 70 2000
 
ADC DSL SYSTEMS, INC. (1)
6,998,964 Splitter 68 2003
 
ADT SECURITY SYSTEMS, INC. (1)
4,245,215 Power line signalling system 14 1979
 
ADVANCED CONTROL TECHNOLOGIES, INC. (1)
5,491,463 Power line communication system 117 1993
 
ADVANCED MICRO DEVICES, INC. (1)
6,087,860 Apparatus and method for generating an envelope for data signals using CMOS 67 1998
 
ADVANCED POWERLINE TECHNOLOGIES, INC. (1)
2006/0017,324 Communications network using installed electrical power lines 27 2005
 
AEL MICROTEL LIMITED (1)
4,241,243 Power regulator for use with line signal repeaters which are remotely powered 26 1978
 
AGERE SYSTEMS GUARDIAN CORP. (1)
2002/0076,038 Telephone line power supply 27 2001
 
AGERE SYSTEMS INC. (1)
5,960,066 Method and apparatus for using telephone house wiring for voice/data network 89 1996
 
AIPHONE CO., LTD. (1)
6,671,360 Intercom system for a building or apartment house 13 2001
 
AISI Research Corporation (1)
5,842,032 Programmable consumer device interface 41 1996
 
AISIN SEIKI KABUSHIKI KAISHA (1)
4,463,341 Single conductor multi-frequency electric wiring system for vehicles 59 1981
 
Akross Silicon (1)
2007/0260,904 System and method to detect power distribution fault conditions and distribute power to a network attached power device 14 2006
 
ALCATEL BUSINESS SYSTEMS (1)
5,144,544 Power feed system for telephone and/or information technology terminals 69 1990
 
ALCATEL LUCENT (1)
6,715,087 Method of providing a remote power feed to a terminal in a local area network, and corresponding remote power feed unit, concentrator, repeator, and terminal 34 2000
 
ALLIED TELESIS K.K. (1)
5,990,577 Hub for local area network with backup power supply system 44 1998
 
ALPS ELECTRIC CO., LTD. (1)
6,999,505 Power line communication modem capable of simultaneously supplying power and exchanging data 15 2003
 
AMP Incorporated (1)
4,803,485 Lan communication system and medium adapter for use therewith 121 1987
 
ANVIL TECHNOLOGIES LLC (1)
4,703,306 Appliance system 128 1986
 
Aquatrol Corporation (1)
4,691,344 Low-powered remote sensor and telephone line transmitter 44 1986
 
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2007/0083,668 Method and apparatus for facilitating network expansion 24 2005
 
ASEA BROWN BOVERI LTD. (1)
5,029,334 Process for transferring data packets 25 1990
 
AT&T MOBILITY II LLC (1)
7,099,707 Method and system for providing power to a communications device 25 2004
 
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6,256,518 System for providing power to a wireless system 32 1997
 
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6,459,275 Detection of devices on a local area network 31 2001
 
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6,721,790 User settable unified workstation identification system 67 2000
 
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5,644,286 Power bus digital communication system 35 1993
 
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5,210,519 Digital data transmission 101 1991
 
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4,800,363 Method for data transmission via an electric distribution system and transmission system for carrying out the method 53 1987
 
Benvar Associates, c/o Dale Bennett (1)
4,430,639 Visual message intercommunication unit and system 41 1981
 
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5,570,085 Programmable distributed appliance control system 129 1994
 
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4,755,792 Security control system 217 1987
 
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2005/0078,700 Ultra low cost ethernet architecture 34 2004
 
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5,608,792 Apparatus for drawing and processing electrical power from a communications line 61 1994
 
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6,470,401 School computer system having simplified computer devices for classroom distribution 23 1999
 
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2004/0156,513 System and method for providing audio signals over conventional power lines 28 2003
 
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4,890,102 Visual display for communication network monitoring and troubleshooting 61 1987
 
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5,689,242 Connecting a portable device to a network 53 1994
 
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6,956,463 Method and apparatus for providing both power and communication over two wires between multiple low voltage AC devices 34 2002
 
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6,611,537 Synchronous network for digital media streams 252 1998
 
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2001/0038,635 Local area network (LAN) packet switch remote power system 30 2001
 
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6,252,957 Low power line selection circuit for a telephone 25 1998
 
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5,991,885 Method and apparatus for detecting the presence of a remote device and providing power thereto 159 1997
 
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5,406,260 Network security system for detecting removal of electronic equipment 182 1992
 
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5,903,213 Device for energy load control 32 1996
 
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2002/0056,116 Home bus computer system and method 12 2001
 
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6,127,925 Signalling and/or help request system 25 1998
 
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5,939,801 Remote d.c. power supply with automatic backup power feature 37 1997
 
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5,440,335 Method and apparatus for delivering passband and telephony signals in a coaxial cable network 190 1993
 
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6,417,762 Power line communication system using anti-resonance isolation and virtual earth ground signaling 64 2001
 
Compuguard Corporation (1)
4,302,750 Distribution automation system 66 1979
 
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5,168,510 Spread spectrum-time diversity communications systems and transceivers for multidrop area networks 58 1989
 
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6,151,330 Electric power supply management system 65 1997
 
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4,669,916 Unitized TLP anchor template with elevated well template 18 1986
 
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6,704,414 Telephone line extension 34 2001
 
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4,580,276 System and method for transporting data 63 1983
 
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7,106,261 System for remotely controlling an electrical switching device 57 2005
 
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4,597,082 Transceiver for multi-drop local area networks 25 1984
 
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2002/0144,159 HomePNA device with the function of transmitting power over a network wire 58 2001
 
CYBEX INTERNATIONAL, LTD., A CORP. OF BAHAMAS (1)
4,357,605 Cash flow monitoring system 30 1980
 
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5,375,051 Apparatus using serial data line to turn on a transceiver or other device 71 1992
 
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7,155,214 I-port controller 43 2004
 
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6,212,274 Line powered modem 36 1997
 
DATAFLEX DESIGN COMMUNICATIONS LIMITED (1)
4,592,069 Line powered modem 46 1984
 
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5,452,344 Communication over power lines 165 1993
 
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6,137,865 Transmission and reception of data over a home network implemented upon a phone line system 73 1998
 
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5,448,593 Frequency hopping time-diversity communications systems and transceivers for local area networks 50 1992
 
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2007/0220,618 System and method for power over ethernet signaling 10 2006
 
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7,406,614 Electronically implemented dynamic start up method for ports with inrush current limiting functionality 12 2004
 
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5,859,584 Combined data and power transmission 92 1996
 
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7,242,729 Signal decoding method and apparatus 23 2005
 
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2005/0268,322 Apparatus and method for utilizing a pre-existing power grid to provide internet access to a home or office or the like 23 2005
 
Dominion Wireless (1)
5,977,913 Method and apparatus for tracking and locating personnel 292 1998
 
DOMITECH AKTIEBOLAG (1)
4,899,131 Local control system for domestic appliances and alarm devices 32 1987
 
DOO WON CO., LTD. (1)
7,009,527 Control system for suppling power by power line communication 25 2001
 
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2004/0136,384 Ethernet communication apparatus, bridge thereof and connection device 67 2003
 
Dyalem Concepts Inc. (1)
5,614,811 Power line control system 52 1995
 
E.J. BARKULOO TRUST (1)
5,699,276 Utility meter providing an interface between a digital network and home electronics 131 1995
 
EATON CORPORATION (1)
6,084,758 Power distribution system with circuit breakers remotely resettable by signals transmitted over the power lines 39 1998
 
ECHELON SYSTEMS (1)
5,241,283 Drive amplifier for power line communications 45 1992
 
ECHELON SYSTEMS, INC., A CORPORATION OF DE (1)
5,289,476 Transmission mode detection in a modulated communication system 102 1991
 
ECI TELECOM LTD. (1)
6,665,404 Method and device for power supply in telecommunication systems 49 2002
 
EDGECOM (1)
2005/0226,200 A Power Line Communication System that Enables Low-Cost Last Mile Access to any Legacy or Emerging Network Infrastructure 53 2005
 
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5,497,142 Directional separator-coupler circuit for medium-frequency carrier currents on a low-voltage electrical line 68 1993
 
Electronic Innovators, Inc. (1)
5,349,644 Distributed intelligence engineering casualty and damage control management system using an AC power line carrier-current lan 48 1993
 
Elsmark A/S (1)
4,408,185 Process for transferring information and system for carrying out the process 56 1980
 
EMC CORPORATION (1)
7,072,995 Methods and apparatus for indicating whether a device is connected to a serial ATA communications cable 27 2003
 
EMERSON NETWORK POWER, ENERGY SYSTEMS, NORTH AMERICA, INC. (1)
5,706,157 Power distribution system with over-current protection 35 1996
 
Energy Transformation Systems, Inc. (1)
6,123,577 Lan patch panel and wall mount unit assembly 75 1997
 
Enertec (1)
4,763,103 Process and method for wide band transmission, particularly for data transmission over an electricity distribution network 29 1986
 
ENTROPIC COMMUNICATIONS, INC. (1)
2002/0166,124 Network interface device and broadband local area network using coaxial cable 118 2001
 
ERICSSON INC. (1)
5,822,678 CATV network for transport of radio frequency signals 90 1996
 
ERICSSON RAYNET (1)
5,845,190 Cable access device and method 91 1996
 
Eva Cogenics Inc Euaday Division (1)
5,870,016 Power line carrier data transmission systems having signal conditioning for the carrier data signal 80 1997
 
EXIDE ELECTRONICS CORPORATION (1)
5,319,571 UPS system with improved network communications 63 1992
 
EXTREME NETWORKS, INC. (1)
7,404,091 Methods, systems, and computer program products for managing power allocation to a device powered over a network communications cable based on a cable characteristic 24 2005
 
FARALLON COMPUTING, INC. (1)
5,414,708 Method and apparatus for connecting nodes for a computer network 86 1992
 
FERRANTI SUBSEA SYSTEMS, LTD., A CORP OF THE UNITED KINGDOM (1)
4,641,126 Multiple-mode electrical power and communications interface 30 1984
 
FINISAR CORPORATION (1)
7,331,819 Media converter 24 2006
 
FISHER CONTROLS INTERNATIONAL LLC (1)
5,451,923 Communication system and method 105 1994
 
FLEET CAPITAL CORPORATION (1)
5,070,442 Computerized door locking and monitoring system using power-line carrier components 32 1989
 
FLEXTRONICS INTERNATIONAL GMBH & CO. NFG. KG (1)
6,815,844 Circuit for supplying power to a network termination unit of a message transmission system 24 2002
 
FORD GLOBAL TECHNOLOGIES, LLC (1)
6,648,308 Spring apparatus 27 2002
 
FORD MOTOR COMPANY (1)
4,490,683 Electronic control switch for a power boost amplifier 19 1982
 
FOSTER-MILLER, INC. (1)
5,892,430 Self-powered powerline sensor 86 1996
 
FOX ENTERTAINMENT GROUP (1)
7,079,012 System and method for distributing broadband communication signals over power lines 10 2004
 
FRANCE TELECOM (1)
2004/0105,539 High-speed data transmission system to a digital terminal 10 2003
 
FREESCALE SEMICONDUCTOR, INC. (1)
4,593,389 Simultaneous voice and asynchronous data telephone 81 1984
 
FSSL, INC. (1)
4,639,714 Combined power and control signal transmission system 88 1984
 
FUJITSU FRONTECH LIMITED (1)
5,960,208 Data communication adapter for selectively supplying power to a communication control circuit or a portable terminal unit 29 1997
 
FUTURE LINK SYSTEMS (1)
6,577,230 Network for data and energy transfer 24 2000
 
GE SECURITY, INC. (1)
6,441,723 Highly reliable power line communications system 193 2000
 
GENLYTE THOMAS GROUP LLC (1)
7,007,305 Repeater amplifier with signal firewall protection for power line carrier communication networks 27 2001
 
Gold Star Tele-Electric Co., Ltd., Inc. (1)
4,734,919 Circuit for serial data communication and power transmission 31 1982
 
Goldstar Co., Ltd. (1)
5,155,466 Automatic frequency control system 20 1991
 
GREYFOX SYSTEMS, INC. (1)
5,651,696 CEBUS tap point unit 65 1995
 
GRID2020, INC. (1)
6,549,120 Device for sending and receiving data through power distribution transformers 60 2000
 
GridComm, Inc. (1)
4,577,333 Composite shift keying communication system 73 1984
 
H.P.M. INDUSTRIES PTY LTD (1)
5,982,052 DC power control of switching devices 26 1998
 
HARMAN INTERNATIONAL INDUSTRIES, INCORPORATED (1)
6,178,514 Method and apparatus for connecting a device to a bus carrying power and a signal 150 1998
 
HARRIS CORPORATION (1)
4,197,431 Subscriber loop feed apparatus 33 1978
 
Hazeltine Corporation (1)
4,535,447 Remote monitoring system transmitter 19 1983
 
HELLER FINANCIAL, INC. (1)
6,377,874 Power distribution system including integrated power node control center 79 1994
 
HEWLETT-PACKARD COMPANY (1)
5,121,482 Circuit and method for automatic input-output configuration through local area network detection 35 1989
 
Hillier Technologies Limited Partnership (1)
4,864,588 Remote control system, components and methods 80 1987
 
HINES & ASSOCIATES, INC. (1)
6,005,476 Electronic identification, control, and security system for consumer electronics and the like 55 1998
 
HITACHI CHEMICAL COMPANY, LTD. (1)
5,003,457 Simultaneous data and electric power transmitting/receiving system 49 1988
 
HITACHI, LTD. (1)
5,400,068 Video telephone 47 1992
 
HOCHIKI CORPORATION (1)
5,475,363 Disaster prevention monitoring apparatus 18 1994
 
HOMERUN HOLDINGS CORP. (1)
7,266,344 Remotely activated bridge device for use with a home network and methods for programming and using the same 28 2004
 
HONEYWELL REGELSYSTEME GMBH (1)
5,049,876 Data communication system 17 1989
 
HUBBELL INCORPORATED (1)
6,616,005 Modular faceplate assembly for an electrical box 68 2000
 
IBEC HOLDINGS, INC. (1)
6,040,759 Communication system for providing broadband data services using a high-voltage cable of a power system 150 1998
 
ICRON TECHNOLOGIES CORPORATION (1)
6,308,215 Extender apparatus for USB connection of computer units 48 1998
 
ID8 GROUP R2 STUDIOS, INC. (1)
6,792,323 Method, system, and computer program product for managing controlled residential or non-residential environments 142 2003
 
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5,815,086 Automated appliance control system 127 1996
 
INARI, INC. (1)
2002/0039,388 High data-rate powerline network system and method 76 2001
 
INC INTEGRATED NETWORK CORPORATION (1)
5,025,443 Digital data over voice communication 101 1989
 
INLINE CORPORATION CORPORATION (1)
6,704,824 Universal serial bus adapter with automatic installation 55 2000
 
INOVA LTD. (1)
6,529,443 Two-conductor bidirectional digital seismic telemetry interface 38 2001
 
INTELLECTUAL VENTURES I LLC (1)
6,385,024 System and method for monitoring current consumption from current share components 64 2000
 
INTELLECTUAL VENTURES II LLC (1)
6,430,199 Method and system for distributing telephone and broadband services over the copper pairs within a service location 80 1998
 
INTER-TEL INTEGRATED SYSTEMS, INC. (1)
6,463,051 Internet calling system 60 1997
 
INTERMEC IP CORP. (1)
5,457,629 Vehicle data system with common supply of data and power to vehicle devices 69 1992
 
INTERNATIONAL BROADBAND ELECTRIC COMMUNICATIONS, INC. (1)
7,319,717 Device and method for enabling communications signals using a medium voltage power line 22 2005
 
INTEROPERABILITY TECHNOLOGIES GROUP LLC (1)
2008/0153,415 Method and apparatus for in-building communications 27 2007
 
INVENSYS SYSTEMS, INC. (1)
6,640,308 System and method of powering and communicating field ethernet device for an instrumentation and control using a single pair of powered ethernet wire 128 1999
 
INVENTEC CORPORATION (1)
2008/0125,187 Wireless transmission system suitable for large space and method thereof 10 2006
 
INVENTIONS INC. (1)
4,742,538 Current source and off-hook detector 43 1987
 
ITT CORPORATION (1)
4,339,816 Conferencing apparatus and methods for a frequency division multiplex communications system 78 1980
 
Iverson Gaming Systems, Inc. (1)
6,383,076 Monitoring system for plural gaming machines using power line carrier communications 94 1997
 
Iwasaki Tsushinki Kabushiki Kaisha (1)
4,583,214 Key telephone transmission system 32 1984
 
Iwatsu Electric Co., Ltd. (1)
4,462,113 Cordless transmitting and receiving apparatus 52 1982
 
IXIA (1)
7,162,377 Testing and emulating a device's power characteristics 46 2003
 
JENNISON GREYFOX SYSTEMS (1)
6,227,499 Rough-in mounting bracket for CEBUS tap point unit 32 1996
 
Jeumont-Schneider Corporation (1)
4,621,170 Means of transmitting signals along a line while also providing a direct voltage source 21 1982
 
KOREA TELECOMMUNICATION AUTHORITY (1)
5,796,739 Subscriber input/output device of high-speed packet switching system with parallel common bus type 62 1996
 
Kurtosis Ingenierie S.A. (1)
6,760,384 Method for the distribution of information 46 2000
 
KYE SYSTEMS CORP. (1)
6,366,143 Power shut-off and recovery circuit for data communication devices 47 1998
 
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6,571,305 System for extending length of a connection to a USB peripheral 33 2000
 
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5,428,682 Subscriber line interface circuit with reduced on-chip power dissipation 92 1993
 
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5,422,519 Electric power and data signal transmission system 55 1992
 
LEISURETECH ELECTRONICS PTY., LTD. (1)
7,181,023 Distributed stereo system 28 1998
 
LEVEL ONE COMMUNICATIONS, INC. (1)
5,748,634 Method and apparatus for implementing a two-port ethernet bridge using a semaphoring technique 56 1995
 
LEXTRON SYSTEMS, INC. (1)
6,167,120 Apparatus and methods for home networking 117 1998
 
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6,115,429 Data receiving method for receiving data through predetermined clear zones of a powerline 23 1995
 
LINKPEOPLE, INC. (1)
2005/0086,389 Wireless network adapter 63 2003
 
LITE-ON TECHNOLOGY CORPORATION (1)
2007/0206,629 Network Equipment Applied In Power Line Carrier Communication System 22 2007
 
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6,522,515 Data and power connector port 37 2000
 
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7,162,234 Wireless communication device 14 2004
 
LSI CORPORATION (1)
5,311,114 Apparatus and method for full-duplex ethernet communications 110 1992
 
LUGH NETWORKS, INC. (1)
2003/0062,990 Powerline bridge apparatus 140 2002
 
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2002/0188,762 Data structure for an entertainment and communications network 18 2001
 
MACAB AB (1)
2003/0151,695 Communication apparatus 74 2003
 
MAINTENACE & DIAGNOSTICIS, L.L.C. (1)
5,859,596 Switchyard equipment monitoring system and communications network therefor 70 1996
 
MAITRE T', A CORP. OF AZ. (1)
4,556,864 Apparatus and method for communicating digital information on AC power lines 47 1982
 
MARCONI UK INTELLECTUAL PROPERTY LTD. (1)
5,682,423 Electrical power and telephone ringer signal distribution system 27 1996
 
MARQUARDT GMBH (1)
5,483,230 Bus system 33 1993
 
MASPRODENKOH KABUSHIKIKAISH (1)
6,804,828 Tap device of cable broadcasting system 32 1999
 
MAXIM INTEGRATED PRODUCTS, INC. (1)
6,985,072 Apparatus and method for a low-rate data transmission mode over a power line 41 2001
 
MAXIMUS MULTIMEDIA INTERNATIONAL, LLC (1)
6,009,465 Entertainment and information systems and related management networks for a remote video delivery system 213 1996
 
MECEL AB (1)
6,363,066 Method and arrangement for combined data and power distribution using a communication bus 29 1998
 
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5,974,553 Method for powering elements connected in a two-wire bus network transmitting both power supply and data information pulses 109 1997
 
MEDIAMAX, INC. (1)
2003/0112,965 Active wall outlet 77 2002
 
MFIP, LLC (1)
4,992,774 Method for powering remote visual displays and allowing for data exchange over the same wire pair 61 1989
 
MITSUBISHI ELECTRIC RESEARCH LABORATORIES, INC. (1)
6,759,946 Home appliances network 88 2001
 
Monster Cable International, Ltd. (1)
5,757,936 Audio and video signal distribution system and method 76 1995
 
MOORE PRODUCTS CO. (1)
5,420,578 Integrated transmitter and controller 44 1994
 
MOTOROLA SOLUTIONS, INC. (1)
7,349,325 Broadband over low voltage power lines communications system and method 16 2005
 
NATIONAL RURAL ELECTRIC COOPERATIVE ASSOCIATION (1)
5,467,011 System for detection of the phase of an electrical signal on an alternating circuit power line 30 1994
 
NEC ENGINEERING, LTD. (1)
7,079,647 IP telephone with power source circuit 38 2002
 
NEC Home Electronics Ltd. (1)
4,866,733 Radio bus system 58 1987
 
NEC INFRONTIA CORPORATION (1)
6,535,587 Integrated transmitter, LAN communication equipment, telephone communication apparatus and communication method using integrated transmitter 65 2000
 
NETAPP, INC. (1)
6,947,287 Universal modular power supply carrier 25 2002
 
NETCOMM TECHNOLOGY LIMITED LIABILITY COMPANY (1)
6,011,794 Internet based telephone apparatus and method 177 1996
 
NILES AUDIO CORPORATION (1)
6,501,389 Audio, video, or multimedia system keypad controller having multiple vector control paths and associated methods 26 1999
 
NIPPON COLIN, LTD., (1)
4,697,166 Method and apparatus for coupling transceiver to power line carrier system 80 1986
 
NIPPON STEEL CHEMICAL CO., LTD. (1)
2002/0159,512 Communication apparatus and communication method 10 2002
 
NIPPON TELEGRAPH AND TELEPHONE CORPORATION (1)
4,507,721 DC-DC Converter for remote power feeding 50 1983
 
NITEK INTERNATIONAL, LLC (1)
7,193,149 System handling video, control signals and power 10 2003
 
NORTHERN TELECOM LIMITED (1)
5,033,112 Closed loop, programmable power and communication system 72 1987
 
NORTHROP GRUMMAN SYSTEMS CORPORATION (1)
5,504,454 Demodulator for powerline carrier communications 50 1995
 
NORWEB PLC (1)
5,949,327 Coupling of telecommunications signals to a balanced power distribution network 100 1997
 
NTT DATA CORPORATION (1)
6,087,835 LAN tester 25 1997
 
NWF INDUSTRIES (1)
5,146,471 Correlator for spread spectrum communications systems 87 1991
 
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4,845,466 System for high speed digital transmission in repetitive noise environment 56 1987
 
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2005/0073,968 Self-configuring, adaptive, three-dimensional, wireless network 72 2003
 
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5,835,005 Power-line data transmission method and system utilizing relay stations 99 1995
 
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4,973,940 Optimum impedance system for coupling transceiver to power line carrier network 66 1987
 
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6,109,959 Electrical socket device 46 1998
 
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2006/0007,945 Medium to disparate medium hopping mesh network 24 2005
 
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6,069,588 Systems and methods for coaxially coupling an antenna to a radiotelephone through a window and amplifying signals adjacent and inside the window 159 1999
 
OSAKI ELECTRIC CO., LTD. (1)
4,988,972 Method for transmitting and receiving signals over transmission power lines 30 1989
 
PANASONIC COMMUNICATIONS CO., LTD. (1)
6,975,211 Control apparatus and control method for managing communications between multiple electrical appliances through a household power line network 15 2003
 
PANASONIC ELECTRIC WORKS CO., LTD. (1)
6,583,719 Setting apparatus and setting method each for setting setting information in electric power line carrier communication terminal apparatus 25 2001
 
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2006/0109,185 Portable radio communication apparatus provided with a part of a housing operating as an antenna 4 2005
 
PCTEL MARYLAND, INC. (1)
5,937,342 Wireless local distribution system using standard power lines 99 1997
 
PDACO LTD. (1)
5,815,681 Integrated network switching hub and bus structure 85 1996
 
PEMCO CORPORATION (1)
4,389,694 Cable continuity monitoring system 38 1980
 
PENDRAGON WIRELESS LLC (1)
7,164,346 Routing device and method for a powerline network 7 2002
 
PERACOM NETWORKS, INC. (1)
6,481,013 Entertainment and computer coaxial network and method of distributing signals therethrough 169 1999
 
Pertech, Inc. (1)
6,128,743 Intelligent system and method for universal bus communication and power 43 1998
 
PETROLEO BRASILEIRO S.A. - PETROBRAS (1)
5,572,182 Integrated power and signal transmission system 37 1994
 
PHILIPS SOLID-STATE LIGHTING SOLUTIONS, INC. (1)
6,166,496 Lighting entertainment system 457 1998
 
Phoenix Corporation (1)
5,319,634 Multiple access telephone extension systems and methods 216 1991
 
PHONEX HOLDINGS L.P. (1)
5,066,939 Method and means of operating a power line carrier communication system 129 1989
 
PLUGNET CORPORATION (1)
2002/0080,010 Power line communications network device for DC powered computer 60 2001
 
POLYTRAX INFORMATION TECHNOLOGY AKTIENGESELLSCHAFT (1)
6,671,501 Signal transmission circuit 9 2000
 
POWER LINE NETWORKS (1)
2003/0006,881 System and method for power line communication 36 2000
 
POWERDSINE, INC. (1)
7,225,345 Employing sense resistor as safety fuse in limited power source applications 16 2003
 
POWERMEDIA & COMMUNICATIONS, INC. (1)
6,281,784 Information and control communication over power lines 50 1999
 
PRIMAX ELECTRONICS LTD. (1)
6,445,087 Networking power plug device with automated power outlet control 93 2000
 
PULSE ELECTRONICS, INC. (1)
7,003,102 Telecommunications gateway and method 90 2001
 
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5,952,914 Power line communication systems 85 1997
 
Raynet Corporation (1)
5,539,805 Power supply system including ringing voltage reset under low input voltage conditions 32 1994
 
Raynet; Ericsson (1)
5,805,591 Subscriber network interface 109 1996
 
RCA LICENSING CORPORATION, TWO INDEPENDENCE WAY, PRINCETON, NJ 08540, A CORP. OF DE (1)
4,386,436 Television remote control system for selectively controlling external apparatus through the AC power line 187 1981
 
RCD INVESTMENTS NO. 2, LTD. (1)
6,349,133 Method and system for interfacing a telephony network and a digital data stream 81 1998
 
REALTEK SEMICONDUCTOR CORP. (1)
7,404,094 Relay set in network device and method thereof 10 2006
 
RENESAS ELECTRONICS CORPORATION (1)
5,568,547 Subscriber circuit provided with a circuit for monitoring a subscriber instrument 28 1994
 
Renishaw Controls Limited (1)
4,901,218 Communications adaptor for automated factory system 141 1988
 
RICOH COMPANY, LTD. (1)
5,446,905 Data processing apparatus having improved power supply system 18 1993
 
ROBERT BOSCH GMBH (1)
6,870,282 Method for the transmission of signals in a bus system, superposed on a direct supply voltage 25 2002
 
ROBERT R. DETORE (1)
5,982,276 Magnetic field based power transmission line communication method and system 112 1998
 
Robinton Products, Inc. (1)
4,692,761 Adaptive communication network and method 119 1985
 
ROCKWELL AUTOMATION TECHNOLOGIES, INC. (1)
7,049,514 Rail system for distributing power and data signals 24 2003
 
ROCKWELL TECHNOLOGIES, LLC (1)
6,095,867 Method and apparatus for transmitting power and data signals via a network connector system including integral power capacitors 36 1998
 
Rogers Cable Systems Limited (1)
5,802,173 Radiotelephony system 199 1992
 
ROHM CO., LTD. (1)
5,533,101 Extension phone type cordless telephone set 38 1994
 
SANDERSON, LELON WAYNE (1)
5,864,284 Apparatus for coupling radio-frequency signals to and from a cable of a power distribution network 98 1997
 
Sangamo Weston Limited (1)
4,419,758 Transmission systems for transmitting signals over power distribution networks, and transmitters for use therein 19 1981
 
Sangamo Weston, Inc. (1)
4,348,668 System for controlling power distribution to customer loads 26 1979
 
SANYO DENKI CO., LTD. (1)
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4,814,941 Power receptacle and nested line conditioner arrangement 133 1987
 
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5,109,222 Remote control system for control of electrically operable equipment in people occupiable structures 207 1989
 
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Other [Check patent profile for assignment information] (45)
4,329,678 Method and apparatus for remotely controlling an electrical appliance 27 1980
4,442,319 Telephone accessible appliance control system 52 1981
4,413,229 Method and apparatus for remote indication of faults in coaxial cable R-F transmission systems 73 1981
4,477,896 Single-wire data transmission system having bidirectional data synchronization, and D.C. power for remote units 46 1981
4,567,557 Building intelligence system 98 1983
4,484,185 Safety plug adapter 104 1983
4,701,945 Carrier current transceiver 98 1984
4,809,339 Audio transducer 32 1987
4,803,719 Method for powering telephone apparatus and telephone apparatus powered directly from the telephone line without external power 55 1987
4,866,757 Combined telephone and power distribution system 32 1987
4,912,553 Wideband video system for single power line communications 76 1988
4,973,954 Network user for maintaining data and energy transmission 30 1989
4,926,158 Powered communication link 67 1989
4,991,221 Active speaker system and components therefor 29 1989
5,070,522 Combined signal and power distribution system 45 1989
5,151,838 Video multiplying system 71 1989
5,068,890 Combined signal and electrical power distribution system 103 1990
5,161,021 Wireless video/audio signal or data transmission device and its remote control circuit 71 1990
5,210,788 Telephone instrument and distribution system 51 1992
5,356,311 Network wall plate 50 1993
5,343,514 Telephone line powered system 76 1993
5,412,369 Two-wire control system 20 1993
5,438,678 Self-powered computer accessory device for power extraction from attached data signals and method of operating thereof 156 1994
5,554,968 Data communication using power lines 88 1994
5,517,172 Method and apparatus for powering and signaling over a single wire pair 53 1994
5,731,664 Electrical switched load relocation apparatus 36 1996
5,696,861 Method and apparatus for simultaneously connecting data/signal communication lines and power lines to a data/RF receiver/transmitter 59 1996
5,801,635 Power interruption detector 65 1997
6,459,175 Universal power supply 215 1998
6,433,672 Combined power and communication delivery system and kit for installation at or beyond the demarcation point 70 1999
6,283,789 Data and power transmitting cable system 115 2000
2002/0024,424 Civil defense alert system and method using power line communication 32 2001
6,362,610 Universal USB power supply unit 65 2001
2002/0057,581 Active remote power feeding through communication line of one pair of wires 24 2001
2002/0166,125 Universal home cabling system 57 2002
2002/0145,509 Power line communications interface to indoor subscriber 17 2002
6,608,264 Switchable data and power cable 99 2002
2004/0198,236 Wireless telephone jack 68 2002
2003/0099,228 Local area and multimedia network using radio frequency transceivers and coaxial cable 74 2002
2004/0136,388 Video-monitor/recording/playback system 48 2003
7,167,078 Electric, telephone or network access control system and method 85 2004
2005/0053,087 Ethernet converter 68 2004
7,375,445 Apparatus for moving the effect of a wall switch from its switched power outlet to a non-switched outlet 15 2005
7,380,044 IEEE 1394 to coaxial cable adapter 10 2006
2008/0140,565 INTELLIGENT POWER PORT 35 2007

Patent Citation Ranking

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Patent Info (Count) # Cites Year
 
CONVERSANT INTELLECTUAL PROPERTY MANAGEMENT INC. (4)
8,325,636 Local area network of serial intelligent cells 0 2005
8,270,430 Local area network of serial intelligent cells 0 2006
8,351,582 Network for telephony and data communication 1 2008
8,582,598 Local area network for distributing data communication, sensing and control signals 0 2012

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