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, CA1272

International Classification(s)

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  • [Patents Count]

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Binder, Yehuda Hod Hasharon, IL 307 2217

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 57 1992
5,347,549 Method and apparatus for interfacing between a twisted pair and an intelligent cell 48 1993
5,424,710 Power coupler for coupling power from a transmission line to a node thereon 36 1993
5,391,932 Source power coupler 56 1993
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5,485,040 Powerline coupling network 60 1994
5,355,114 Reconstruction of signals using redundant channels 175 1994
5,454,008 Method and apparatus for interfacing between a twisted pair and an intelligent cell 31 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 126 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 114 1999
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PANDUIT CORP. (6)
2003/0154,273 Systems and methods for documenting networks with electronic modules 80 2003
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2006/0262,727 METHOD AND APPARATUS FOR DOCUMENTING NETWORK PATHS 14 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 39 1991
6,126,463 Contact apparatus for a network 20 1997
6,157,645 ATM communication system and ATM communication method 77 1997
6,018,690 Power supply control method, power supply control system and computer program product 71 1997
 
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. (5)
4,896,349 Communication controller in a home bus system 63 1988
5,778,303 Multiplexed audio-video signal transmission system through pair-wire 57 1994
6,288,631 Power-line carrier communications system 21 1999
6,934,170 AC adaptor integral-type household-power-line coupler 12 2003
7,049,939 Power line carrier system 14 2003
 
MICROSEMI CORP. - ANALOG MIXED SIGNAL GROUP LTD (5)
5,828,558 PWN controller use with open loop flyback type DC to AC converter 69 1998
6,049,471 Controller for pulse width modulation circuit using AC sine wave from DC input signal 79 1998
6,473,608 Structure cabling system 157 1999
7,254,734 Structure cabling system 12 2003
2007/0206,749 System and Method for Location Identification 10 2007
 
ORTRONICS, INC. (5)
2005/0152,306 Wi-Fi access point device and system 81 2004
2005/0152,323 Plug-in Wi-Fi access point device and system 32 2005
2006/0181,398 Apparatus and method for communication system 25 2005
7,280,032 Apparatus and method for communication system 15 2005
2007/0254,714 Wireless access point 25 2006
 
PHONEX CORPORATION (5)
4,479,033 Telephone extension system utilizing power line carrier signals 94 1982
4,475,193 Power line carrier multi telephone extension system for full duplex conferencing between telephones 125 1982
4,514,594 Power line carrier telephone extension system for full duplex conferencing between telephones and having telephone call hold capability 75 1982
4,523,307 Power line carrier multi telephone extension system for full duplex conferencing and intercom between telephones 92 1982
5,911,119 Secure cordless telephone extension system and method 48 1996
 
ROCKSTAR CONSORTIUM US LP (5)
5,828,293 Data transmission over a power line communications system 108 1997
6,037,678 Coupling communications signals to a power line 68 1997
5,977,650 Transmitting communications signals over a power line network 72 1998
6,404,773 Carrying speech-band signals over a power line communications system 88 1998
6,785,532 Power line communications 49 1999
 
ROCKWELL INTERNATIONAL CORPORATION (5)
4,188,619 Transformer arrangement for coupling a communication signal to a three-phase power line 77 1978
4,433,284 Power line communications bypass around delta-wye transformer 72 1982
4,458,236 Communications signal coupling around wye/delta power transformation 14 1982
4,473,816 Communications signal bypass around power line transformer 68 1982
4,473,817 Coupling power line communications signals around distribution transformers 78 1982
 
SIEMENS AKTIENGESELLSCHAFT (5)
4,321,581 Powerline carrier control system 19 1979
4,528,667 System for the transmission of information messages 38 1983
4,780,714 Selective voltage supply system for data network distributor 29 1986
6,160,795 Network communication 63 1999
2003/0090,368 Device and method for converting a two-directional so data stream for transmission via a low-voltage power network 37 2002
 
SUBAUDITION WIRELESS LLC (5)
6,980,089 Non-intrusive coupling to shielded power cable 43 2001
7,053,756 Facilitating communication of data signals on electric power systems 24 2001
7,199,699 Facilitating communication with power line communication devices 13 2002
6,982,611 Power line coupling device and method of using the same 16 2002
7,307,510 Power meter bypass device and method for a power line communications system 12 2005
 
ADTRAN, INC. (4)
6,584,197 Power-limited remote termination converter with wetting current and emergency power operation for digital data transmission equipment 36 1999
6,690,792 Active decoupling and power management circuit for line-powered ringing generator 29 1999
6,580,254 Apparatus and method for providing span power to communication equipment at a customer premise 37 2001
6,917,681 Peak power management and active decoupling arrangement for span-powered remote terminal access platforms 27 2002
 
AMPERION, INC. (4)
5,684,450 Electricity distribution and/or power transmission network and filter for telecommunication over power lines 112 1994
6,144,292 Powerline communications network employing TDMA, FDMA and/or CDMA 120 1996
6,282,405 Hybrid electricity and telecommunications distribution network 89 1997
6,885,674 Communications system for providing broadband communications using a medium voltage cable of a power system 86 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 147 1991
6,033,101 Cable television radio frequency and AC Power multitap 47 1994
6,081,533 Method and apparatus for an application interface module in a subscriber terminal unit 164 1997
7,310,355 Apparatus and method for powering a network device 42 2002
 
ASOKA USA CORPORATION (4)
7,136,936 Method and system for virtual powerline local area networks 36 2003
7,413,471 Integrated connector for powerline network and power supply 12 2005
7,401,239 Internal powerline power supply method and system 12 2005
2007/0082,649 Power line communication and AC power outlet apparatus and method 21 2005
 
CONEXANT SYSTEMS, INC. (4)
6,741,162 Power line networking apparatus and method 25 2000
6,373,377 Power supply with digital data coupling for power-line networking 66 2000
2002/0150,155 Convergence speed, lowering the excess noise and power consumption of equalizers 63 2001
6,854,059 Method and apparatus for medium access control in powerline communication network systems 61 2001
 
DISTRIBUTION CONTROL SYSTEMS, INC. (4)
4,914,418 Outbound detector system and method 23 1989
4,963,853 Simultaneous inbound multi-channel communication system using electricity distribution network 27 1989
5,198,796 Outbound signal detector system and method 54 1991
5,262,755 Inbound communications using electricity distribution network 21 1991
 
HUNT TECHNOLOGIES, INC. (4)
5,581,229 Communication system for a power distribution line 88 1993
6,154,488 Low frequency bilateral communication over distributed power lines 80 1997
6,177,884 Integrated power line metering and communication method and apparatus 66 1998
7,180,412 Power line communication system having time server 27 2003
 
LENOVO (SINGAPORE) PTE LTD. (4)
6,175,860 Method and apparatus for an automatic multi-rate wireless/wired computer network 205 1997
6,049,881 Power adapter for powering a remote device through a computer data port 23 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 91 2000
7,257,108 Determining the physical location of resources on and proximate to a network 35 2004
 
LG ELECTRONICS INC. (4)
6,290,141 Communication module and initialization method for multi-air conditioner system 17 1999
6,904,134 Network infrastructure integrated system 65 2001
2007/0025,368 Home network system 62 2004
7,135,982 Home network system and control method for the same 57 2004
 
NEVERMORE SOLUTIONS LLC (4)
6,764,343 Active local area network connector 81 2003
6,996,458 Power over ethernet switch node for use in power pooling 54 2004
7,170,194 Configurable multiple power source system 36 2004
7,281,141 Bypass discharge path for a power sourcing equipment 37 2005
 
ROSEMOUNT INC. (4)
4,339,750 Low power transmitter 23 1980
5,610,552 Isolation circuitry for transmitter electronics in process control system 43 1995
5,973,942 Start up circuit for DC powered field instrument 62 1998
7,330,695 Bus powered wireless transmitter 16 2003
 
SGS-Thomson Microelectronics S.A. (4)
5,406,248 Method and apparatus for managing information transmissions on an electrical distribution circuit 18 1992
5,410,292 Method and system for communicating information within a dwelling or a property 40 1992
6,212,658 Method for the correction of a message in an installation 45 1994
5,818,710 Intelligent electric socket 33 1997
 
THERMO KING CORPORATION (4)
4,885,563 Power line carrier communication system 57 1988
4,885,564 Power line carrier communication system for monitoring refrigerated containers 38 1988
4,896,277 Method of mapping refrigerated containers in a power line carrier based monitoring system 52 1988
4,903,006 Power line communication system 97 1989
 
UNITED ACCESS TECHNOLOGIES, LLC (4)
6,185,284 Voice and data transmission over twisted wire pairs 33 1998
6,236,718 Video transmission and control system utilizing internal telephone lines 25 1999
6,243,446 Distributed splitter for data transmission over twisted wire pairs 29 1999
6,542,585 Distributed splitter for data transmission over twisted wire pairs 24 2002
 
VERIZON PATENT AND LICENSING INC. (4)
5,247,347 PSTN architecture for video-on-demand services 828 1991
5,630,204 Customer premise wireless distribution of broad band signals and two-way communication of control signals over power lines 171 1995
6,069,890 Internet telephone service 414 1996
6,157,716 Power feed circuit providing both on-hook and off-hook power for telephone subscriber loop 23 1998
 
ACCELERATED PERFORMANCE, INC. (3)
2002/0104,009 Portable computer that can be plugged into a backplane 54 2001
6,868,265 Locator for physically locating an electronic device in a communication network 67 2002
2004/0147,232 Wall mounted wireless transceiver that tracks a location of a wireless communication device 71 2003
 
ACCTON TECHNOLOGY CORPORATION (3)
2004/0232,768 PORTABLE ELECTRONIC DEVICE FOR RECEIVING POWER OVER A NETWORK 28 2003
6,912,145 Power injector apparatus 23 2003
2006/0197,387 NETWORK POWER SPLITTER FOR SUPPLYING POWER FROM A NETWORK TO A PORTABLE ELECTRONIC DEVICE 9 2005
 
AGILENT TECHNOLOGIES, INC. (3)
6,889,095 Computer network adapted for industrial environments 17 1998
6,348,874 Power distribution to nodes in a distributed system 81 1998
2005/0201,306 Method and system for supplying power to multiple devices using power-transmitting network connections 25 2004
 
ALCATEL N.V. (3)
4,821,319 Single line telephone communication system 87 1987
5,014,308 Circuit arrangement for providing power for an IC chip in a telephone subset 30 1990
5,754,539 Local area network for use in office communications and a circuit arrangement therefor 61 1996
 
AMBIENT CORPORATION (3)
6,844,810 Arrangement of a data coupler for power line communications 42 2003
7,148,799 Arrangement of daisy chained inductive couplers for data communication 13 2004
7,339,458 Power line communications interface and surge protector 10 2005
 
APPLE INC. (3)
5,483,656 System for managing power consumption of devices coupled to a common bus 145 1993
5,579,486 Communication node with a first bus configuration for arbitration and a second bus configuration for data transfer 73 1993
7,343,506 Automatic power management of a network powered device 26 2005
 
ARKADOS, INC. (3)
2003/0133,473 Power line communication system 81 2002
7,245,625 Network-to-network adaptor for power line communications 12 2002
2004/0006,484 Method and system for media content data distribution and consumption 40 2002
 
AT&T Bell Laboratories (3)
5,343,240 Bidirectional video telephony using shared channels on coaxial cable networks 149 1991
5,285,477 Balanced line driver for local area networks or the like 35 1991
5,268,666 Appliance control system providing out-of-context usage 102 1991
 
CANON KABUSHIKI KAISHA (3)
6,016,519 Data communication system, data communication device and memory medium, for storing data communication program 39 1997
6,526,516 Power control system and method for distribution of power to peripheral devices 95 1998
6,584,519 Extender for universal serial bus 40 1998
 
CAP TECHNOLOGIES, L.L.C. (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 32 2001
2002/0116,720 Multi-band coax extender for in-building digital communication systems 37 2002
2004/0178,888 Bi-directional transfer of signals between a power line communication system and a coaxial distribution system 24 2004
 
CURRENT GRID, LLC (3)
6,624,532 System and method for utility network load control 107 2001
7,194,528 Method and apparatus for processing inbound data within a powerline based communication system 25 2001
7,142,094 Last leg power grid high-speed data transmitter and receiver structures 40 2003
 
ELCOM TECHNOLOGIES CORPORATION (3)
5,712,614 Power line communications system 97 1995
5,898,347 Large signal attenuator 7 1996
5,777,545 Remote control apparatus for power line communications system 57 1997
 
Honeywell Information Systems Inc. (3)
4,303,993 Memory present apparatus 86 1979
4,633,218 Apparatus for receiving low level digital signals transmitted over power lines 28 1983
4,675,648 Passive signal coupler between power distribution systems for the transmission of data signals over the power lines 101 1984
 
HONEYWELL INTERNATIONAL INC. (3)
6,320,494 Full duplex communication system with power transfer on one pair of conductors 20 2000
7,081,827 Power over Ethernet-prioritized active splitter 34 2004
7,247,793 Wall plate adapter for coupling home network control signals to AC power wiring 14 2005
 
Lutron Electronics Co., Inc. (3)
5,736,965 Compact radio frequency transmitting and receiving antenna and control device employing same 176 1996
5,848,054 Repeater for transmission system for controlling and determining the status of electrical devices from remote locations 167 1996
5,905,442 Method and apparatus for controlling and determining the status of electrical devices from remote locations 305 1996
 
MAIN.NET COMMUNICATIONS LTD. (3)
6,995,657 Power line communication system 42 2001
7,406,536 Dynamic power line access connection 11 2002
2004/0037,317 Multimedia communications over power lines 80 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 44 2002
6,825,672 Cable tester 54 2002
6,977,507 Cable tester with indicator 42 2002
 
MATSUSHITA ELECTRIC WORKS, LTD. (3)
4,377,804 Synchronous data transmission system utilizing AC power line 33 1980
4,556,865 Data transmission system utilizing power line 29 1982
4,599,598 Data transmission system utilizing power line 77 1985
 
MITSUBISHI DENKI KABUSHIKI KAISHA (3)
4,763,104 Gateway for use in load control system 27 1987
5,563,515 Cylinder identifying apparatus for a multi-cylinder internal combustion engine with misfire detection 26 1993
2005/0239,400 Radio access line extending device 24 2004
 
MURATA MANUFACTURING CO., LTD. (3)
5,032,819 Data communications system 104 1989
5,181,240 Data circuit-terminating equipment with power source device 43 1991
5,461,671 Telephone line power utility circuit 59 1993
 
OSRAM SYLVANIA INC. (3)
5,264,823 Power line communication system 64 1992
5,689,230 Energy monitoring and control system using reverse transmission on AC line 47 1995
5,691,691 Power-line communication system using pulse transmission on the AC line 70 1997
 
PITTWAY CORPORATION (3)
4,418,333 Appliance control system 252 1981
4,746,809 AC power line signaling system 35 1986
5,525,962 Communication system and method 48 1994
 
RPX CORPORATION (3)
5,774,526 Reconfigurable on-demand telephone and data line system 105 1996
7,406,094 Power line communication network 11 2001
7,221,261 System and method for indicating a configuration of power provided over an ethernet port 19 2004
 
SCIENTIFIC-ATLANTA, INC. (3)
5,581,801 Apparatus for distributing RF signals and AC power to taps 45 1995
5,781,844 Method and apparatus for distributing a power signal and an RF signal 43 1996
6,393,607 AC port device for cable television tap 47 1999
 
SHARP KABUSHIKI KAISHA (3)
4,745,392 Noise reduction in signal transmission system over building power distribution wiring 23 1982
4,611,274 Data transmission system via power supply line 37 1983
5,483,574 Communication terminal equipment 67 1992
 
3COM CORPORATION (2)
4,766,402 Apparatus for matching unbalanced R. F. baseband signals to balanced signals on a twisted two-wire line 133 1987
2005/0177,640 Method for selectively providing access to voice and data networks by use of intelligent hardware 55 2001
 
ADAPTIVE NETWORKS, INC. (2)
4,815,106 Power line communication apparatus 226 1986
5,727,004 Method and apparatus for data encoding and communication over noisy media 11 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 78 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 37 1988
5,528,089 Remote power feed device for electronic equipment 21 1993
 
Amtel Systems Corporation (2)
4,380,009 Message communication system 49 1980
4,538,136 Power line communication system utilizing a local oscillator 73 1981
 
ANDREW LLC (2)
5,774,789 RF communication signal distribution system and method 70 1995
5,896,556 Apparatus and method for providing a telephone connection over a coax cable distribution system 82 1997
 
Applied Spectrum Technologies, Inc. (2)
4,672,605 Data and voice communications system 395 1984
4,724,435 Bi-directional data telemetry system 214 1985
 
AT&T Information Systems Inc. (2)
4,807,225 Telephone line carrier system 128 1987
4,924,492 Method and apparatus for wideband transmission of digital signals between, for example, a telephone central office and customer premises 168 1988
 
ATHEROS COMMUNICATIONS, INC. (2)
5,090,024 Spread spectrum communications system for networks 182 1989
2004/0130,413 Power supply system and method using analog coupling circuitry for power-line communications 11 2003
 
AVOCENT HUNTSVILLE CORPORATION (2)
5,268,676 Computer-monitor extended range communications link 53 1990
5,353,409 Computer-monitor extended range communications link 43 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 90 1992
6,658,109 Method and apparatus for supplying power to a twisted pair wire on a telecommunications modem transmission link 24 1999
 
CONTROL-SENSE SOLUTIONS, INC. (2)
5,099,444 Peripheral data acquisition transmission and control device 31 1989
5,400,246 Peripheral data acquisition, monitor, and adaptive control system via personal computer 525 1992
 
D-LINK CORPORATION (2)
7,162,650 Network switching apparatus for supplying power to network communication equipment through twisted pair line 15 2001
2008/0186,150 Plug-and-play network digital image display apparatus and image monitoring system 10 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 45 1987
5,093,828 Method of exchanging data 28 1990
 
Dell USA, L.P. (2)
6,009,479 System and method for assigning unique addresses to agents on a system management bus 66 1997
5,944,831 Power management apparatus and method for managing power application to individual circuit cards 49 1997
 
ENTERASYS NETWORKS, INC. (2)
5,410,535 Automatic selection of an interface for ethernet stations 63 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 39 1995
 
GENERAL INSTRUMENT CORPORATION (2)
4,937,811 Communication network 54 1989
5,334,975 Residential time reference system 52 1991
 
HOME TOUCH LIGHTING SYSTEMS LLC (2)
6,377,163 Power line communication circuit 13 2000
6,559,757 Data communication over power lines 25 2000
 
ITRON, INC. (2)
4,968,970 Method of and system for power line carrier communications 56 1989
5,032,833 Adaptive network routing for power line communications 114 1989
 
JDS UNIPHASE CORPORATION (2)
6,975,209 In-line power tap device for Ethernet data signal 36 2002
2008/0013,612 Home Network Testing 12 2007
 
LANTIQ DEUTSCHLAND GMBH (2)
7,113,574 Integrated telephone set with an xDSL-modem 55 2000
6,996,729 DSL communication apparatus with lifeline functionality suitable for transmitting and receiving voice signals during power failure 43 2002
 
LEVITON MANUFACTURING CO., INC. (2)
6,901,439 Method of adding a device to a network 165 2000
2007/0198,748 POWER LINE COMMUNICATION HUB SYSTEM AND METHOD 65 2007
 
LGZ Landis & Gyr Zug AG (2)
4,307,380 Transmitting signals over alternating current power networks 44 1977
4,371,867 Transmitting signals over alternating current power networks 24 1980
 
LINEAR TECHNOLOGY CORPORATION (2)
7,356,588 Circuits and methods for detecting the presence of a powered device in a powered network 40 2003
2006/0168,459 Providing data communication between power supply device and powered device in system for supplying power over communication link 29 2005
 
M&FC HOLDING COMPANY, INC., A DE. CORP. (2)
4,216,543 Means for deriving baud timing from an available AC signal 17 1979
4,481,501 Transformer arrangement for coupling a communication signal to a three-phase power line 62 1981
 
MARCONI ACCESS SYSTEMS NORTH AMERICA (2)
6,763,109 Copper based interface system and regulated power source 24 2000
6,775,299 Copper based interface system and data frame format 23 2000
 
Merlin Gerin (2)
5,089,974 Building technical management controller with a two-wire data and power transmission line 117 1989
5,477,091 High quality electrical power distribution system 165 1992
 
MICROSEMI SEMICONDUCTOR (U.S.) INC. (2)
5,583,934 DC level control for an electronic telephone line card 49 1995
5,878,133 Digital direct current feed control for a communication system 35 1996
 
MITEL NETWORKS CORPORATION (2)
6,480,122 Power supply for ethernet LAN connected telephone 31 2000
7,030,733 Power supply for phantom-feed LAN connected device using spare-pair powering 25 2003
 
NATIONAL SEMICONDUCTOR CORPORATION (2)
4,642,607 Power line carrier communications system transformer bridge 135 1985
5,805,597 Method and apparatus for providing low power basic telephony type service over a twisted pair ethernet physical layer 69 1996
 
NELLCOR PURITAN BENNETT LLC (2)
5,368,041 Monitor and method for acquiring and processing electrical signals relating to bodily functions 58 1992
5,381,804 Monitor and method for acquiring and processing electrical signals relating to bodily functions 65 1993
 
New England Power Service Company (2)
4,400,688 Method and apparatus for communication over electric power lines 47 1980
4,559,520 Method for communication utilizing multi-mode reception 24 1982
 
NEXT LEVEL COMMUNICATIONS, INC. (2)
6,081,519 In-home communication system 106 1996
6,317,884 Video, data and telephony gateway 193 1998
 
NORTEL NETWORKS LIMITED (2)
5,323,461 Telephone line interface circuit with voltage switching 66 1992
5,726,980 Time division duplex communications repeater 79 1996
 
NORTHVU INC. (2)
6,038,425 Audio/video signal redistribution system 146 1998
6,567,981 Audio/video signal redistribution system 106 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 27 1997
6,681,013 Power feeding system for telephone terminal in LAN 40 1999
 
PANASONIC CORPORATION (2)
2007/0167,144 Communication apparatus and communication method 30 2007
2008/0013,637 MULTI-CARRIER COMMUNICATION APPARATUS, POWER LINE COMMUNICATION CIRCUIT, AND MULTI-CARRIER COMMUNICATION METHOD 11 2007
 
PHONEX BROADBAND CORPORATION (2)
4,829,570 Wireless remote speaker system 153 1987
4,847,903 Wireless remote speaker system 53 1987
 
Pico Electronics Limited (2)
4,200,862 Appliance control 147 1977
4,638,299 Electrical appliance control 50 1983
 
POWERLINE INNOVATIONS, LLC (2)
5,471,190 Method and apparatus for resource allocation in a communication network system 72 1992
2008/0165,463 THERMAL MANAGEMENT METHOD AND DEVICE FOR POWERLINE COMMUNICATIONS 10 2007
 
PULSAR TECHNOLOGIES, INC. (2)
4,471,399 Power-line baseband communication system 91 1982
4,636,771 Power line communications terminal and interface circuit associated therewith 90 1984
 
QUALCOMM ATHEROS, INC. (2)
5,278,862 Timing for spread-spectrum communication across noisy media 80 1992
2007/0036,171 Bridging coaxial cable networks 22 2005
 
RAD DATA COMMUNICATIONS, INC. (2)
4,534,039 Dataset powered by control and data signals from data terminal 15 1983
4,677,646 Dataset powered by control and data signals from data terminal 34 1985
 
Robertshaw Controls Company (2)
4,344,066 Noise trap arrangement for AC power line communication systems 16 1980
4,429,299 Two-way AC power line communications system 76 1981
 
RUSSOUND/FMP, INC. (2)
6,389,139 Powered volume control for distributed audio system 42 1997
2003/0035,556 Audio distribution system 25 2002
 
SIGMA DESIGNS ISRAEL S.D.I. LTD. (2)
6,763,097 Source adaptive digital subscriber line and method 72 2001
7,408,949 Hybrid telephone, non-telephone network 32 2004
 
SILICON LABORATORIES INC. (2)
6,587,560 Low voltage circuits powered by the phone line 33 1998
6,240,166 LAN connection using analog modems via telephone wiring 74 1998
 
SILICON VALLEY BANK (2)
5,274,631 Computer network switching system 373 1991
6,831,921 Wireless internet access system 61 2002
 
SKYWORKS SOLUTIONS, INC. (2)
5,892,792 12-chip coded spread spectrum modulation for direct conversion radio architecture in a digital cordless telephone 46 1995
6,653,932 System and method for achieving wireless communications coverage in a local area 79 1999
 
SONY CORPORATION (2)
6,396,393 Transmitting device, receiving device, and receiving method 44 2000
6,985,714 Communication system, communication terminal and communication method 74 2002
 
T.M.T. THIRD MILLENIUM TECHNOLOGIES LTD. (2)
2002/0194,383 Cableran home networking over coaxial cables 70 2001
2002/0194,605 Cableran networking over coaxial cables 86 2001
 
TDK CORPORATION (2)
6,987,430 Power line communication system and power line branching apparatus 13 2002
2006/0140,260 Power supply line communication modem and power supply line communication system 18 2004
 
TeleNetwork, Inc. (2)
6,275,144 Variable low frequency offset, differential, ook, high-speed power-line communication 67 2000
6,449,318 Variable low frequency offset, differential, OOK, high-speed twisted pair communication 97 2000
 
THALIA PRODUCTS, INC. (2)
2002/0011,923 Appliance Communication And Control System And Appliance For Use In Same 100 2000
6,587,739 Appliance communication and control system and appliances for use in same 207 2000
 
THOMSON LICENSING (2)
6,577,231 Clock synchronization over a powerline modem network for multiple devices 59 2001
6,747,859 Modular power line network adapter 128 2001
 
TII Industries, Inc. (2)
6,188,557 Surge suppressor 86 1998
6,282,075 Surge suppressor with virtual ground 69 1999
 
TYCO INTERNATIONAL LTD., A CORPORATION OF BERMUDA (2)
5,610,922 Voice plus 4-wire DDS multiplexer 77 1995
6,236,664 Pair gain system with an ADSL repeater unit 56 1999
 
U.S. Philips Corporation (2)
5,892,795 Telecommunication system and modem for transmission of modulated information signals over power supply lines 26 1996
6,097,761 Method and system for the transmission of data and power 56 1998
 
UNIVERSAL ELECTRONICS INC. (2)
6,518,724 Wall switch device and power outlet device 66 2001
6,864,798 Device docking apparatus and method for using the same 73 2001
 
XEROX CORPORATION (2)
4,272,759 16 Bit analog to digital converter 27 1978
4,733,389 Drop cable for a local area network 85 1986
 
2WIRE, INC. (1)
6,778,646 System and method for coupling multiple home networks 81 1999
 
ABB METERING SYSTEMS LIMITED (1)
4,254,403 Systems for transmitting information in an alternating current electricity supply system 26 1979
 
Abet Technologies, LLC (1)
6,906,618 Method and system for bidirectional data and power transmission 29 2003
 
Aboundi, Inc. (1)
2005/0281,326 Transceiver apparatus and method having ethernet-over-power and power-over-ethernet capability 65 2004
 
ACEX Technologies, Inc. (1)
5,684,826 RS-485 multipoint power line modem 116 1996
 
ACTICON TECHNOLOGIES LLC (1)
4,543,450 Integrated connector and modem 47 1984
 
Actpro International Limited (1)
6,553,076 Mixed mode transceiver digital control network and collision-free communication method 40 1999
 
ADC (1)
6,364,535 Upgradeable media wall converter and housing 69 2000
 
ADC DSL SYSTEMS, INC. (1)
6,998,964 Splitter 66 2003
 
ADT SECURITY SYSTEMS, INC. (1)
4,245,215 Power line signalling system 13 1979
 
ADVANCED CONTROL TECHNOLOGIES, INC. (1)
5,491,463 Power line communication system 116 1993
 
ADVANCED MICRO DEVICES, INC. (1)
6,087,860 Apparatus and method for generating an envelope for data signals using CMOS 65 1998
 
ADVANCED POWERLINE TECHNOLOGIES, INC. (1)
2006/0017,324 Communications network using installed electrical power lines 25 2005
 
AEL MICROTEL LIMITED (1)
4,241,243 Power regulator for use with line signal repeaters which are remotely powered 25 1978
 
AGERE SYSTEMS GUARDIAN CORP. (1)
2002/0076,038 Telephone line power supply 26 2001
 
AGERE SYSTEMS INC. (1)
5,960,066 Method and apparatus for using telephone house wiring for voice/data network 87 1996
 
AIPHONE CO., LTD. (1)
6,671,360 Intercom system for a building or apartment house 12 2001
 
AISI Research Corporation (1)
5,842,032 Programmable consumer device interface 39 1996
 
AISIN SEIKI KABUSHIKI KAISHA (1)
4,463,341 Single conductor multi-frequency electric wiring system for vehicles 58 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 13 2006
 
ALCATEL BUSINESS SYSTEMS (1)
5,144,544 Power feed system for telephone and/or information technology terminals 67 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 33 2000
 
ALLIED TELESIS K.K. (1)
5,990,577 Hub for local area network with backup power supply system 43 1998
 
ALPS ELECTRIC CO., LTD. (1)
6,999,505 Power line communication modem capable of simultaneously supplying power and exchanging data 13 2003
 
AMP Incorporated (1)
4,803,485 Lan communication system and medium adapter for use therewith 119 1987
 
ANVIL TECHNOLOGIES LLC (1)
4,703,306 Appliance system 126 1986
 
Aquatrol Corporation (1)
4,691,344 Low-powered remote sensor and telephone line transmitter 43 1986
 
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2007/0083,668 Method and apparatus for facilitating network expansion 22 2005
 
ASEA BROWN BOVERI LTD. (1)
5,029,334 Process for transferring data packets 24 1990
 
AT&T MOBILITY II LLC (1)
7,099,707 Method and system for providing power to a communications device 24 2004
 
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6,256,518 System for providing power to a wireless system 31 1997
 
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6,459,275 Detection of devices on a local area network 30 2001
 
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6,721,790 User settable unified workstation identification system 65 2000
 
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5,644,286 Power bus digital communication system 33 1993
 
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5,210,519 Digital data transmission 99 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 52 1987
 
Benvar Associates, c/o Dale Bennett (1)
4,430,639 Visual message intercommunication unit and system 39 1981
 
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5,570,085 Programmable distributed appliance control system 126 1994
 
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4,755,792 Security control system 215 1987
 
BOCKSTAR TECHNOLOGIES LLC (1)
2005/0078,700 Ultra low cost ethernet architecture 33 2004
 
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5,608,792 Apparatus for drawing and processing electrical power from a communications line 60 1994
 
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6,470,401 School computer system having simplified computer devices for classroom distribution 22 1999
 
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2004/0156,513 System and method for providing audio signals over conventional power lines 26 2003
 
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4,890,102 Visual display for communication network monitoring and troubleshooting 60 1987
 
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5,689,242 Connecting a portable device to a network 51 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 33 2002
 
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6,611,537 Synchronous network for digital media streams 247 1998
 
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2001/0038,635 Local area network (LAN) packet switch remote power system 29 2001
 
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6,252,957 Low power line selection circuit for a telephone 24 1998
 
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5,991,885 Method and apparatus for detecting the presence of a remote device and providing power thereto 157 1997
 
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5,406,260 Network security system for detecting removal of electronic equipment 179 1992
 
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5,903,213 Device for energy load control 30 1996
 
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2002/0056,116 Home bus computer system and method 10 2001
 
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6,127,925 Signalling and/or help request system 22 1998
 
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5,939,801 Remote d.c. power supply with automatic backup power feature 36 1997
 
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5,440,335 Method and apparatus for delivering passband and telephony signals in a coaxial cable network 188 1993
 
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6,417,762 Power line communication system using anti-resonance isolation and virtual earth ground signaling 62 2001
 
Compuguard Corporation (1)
4,302,750 Distribution automation system 64 1979
 
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5,168,510 Spread spectrum-time diversity communications systems and transceivers for multidrop area networks 57 1989
 
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6,151,330 Electric power supply management system 64 1997
 
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4,669,916 Unitized TLP anchor template with elevated well template 17 1986
 
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6,704,414 Telephone line extension 32 2001
 
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4,580,276 System and method for transporting data 61 1983
 
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7,106,261 System for remotely controlling an electrical switching device 55 2005
 
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4,597,082 Transceiver for multi-drop local area networks 24 1984
 
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2002/0144,159 HomePNA device with the function of transmitting power over a network wire 56 2001
 
CYBEX INTERNATIONAL, LTD., A CORP. OF BAHAMAS (1)
4,357,605 Cash flow monitoring system 28 1980
 
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5,375,051 Apparatus using serial data line to turn on a transceiver or other device 70 1992
 
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7,155,214 I-port controller 40 2004
 
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6,212,274 Line powered modem 35 1997
 
DATAFLEX DESIGN COMMUNICATIONS LIMITED (1)
4,592,069 Line powered modem 45 1984
 
DATRAN SYSTEMS CORPORATION (1)
5,452,344 Communication over power lines 163 1993
 
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6,137,865 Transmission and reception of data over a home network implemented upon a phone line system 71 1998
 
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5,448,593 Frequency hopping time-diversity communications systems and transceivers for local area networks 48 1992
 
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2007/0220,618 System and method for power over ethernet signaling 9 2006
 
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7,406,614 Electronically implemented dynamic start up method for ports with inrush current limiting functionality 11 2004
 
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5,859,584 Combined data and power transmission 91 1996
 
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7,242,729 Signal decoding method and apparatus 20 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 21 2005
 
Dominion Wireless (1)
5,977,913 Method and apparatus for tracking and locating personnel 289 1998
 
DOMITECH AKTIEBOLAG (1)
4,899,131 Local control system for domestic appliances and alarm devices 31 1987
 
DOO WON CO., LTD. (1)
7,009,527 Control system for suppling power by power line communication 23 2001
 
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2004/0136,384 Ethernet communication apparatus, bridge thereof and connection device 66 2003
 
Dyalem Concepts Inc. (1)
5,614,811 Power line control system 50 1995
 
E.J. BARKULOO TRUST (1)
5,699,276 Utility meter providing an interface between a digital network and home electronics 129 1995
 
EATON CORPORATION (1)
6,084,758 Power distribution system with circuit breakers remotely resettable by signals transmitted over the power lines 38 1998
 
ECHELON SYSTEMS (1)
5,241,283 Drive amplifier for power line communications 43 1992
 
ECHELON SYSTEMS, INC., A CORPORATION OF DE (1)
5,289,476 Transmission mode detection in a modulated communication system 97 1991
 
ECI TELECOM LTD. (1)
6,665,404 Method and device for power supply in telecommunication systems 46 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 51 2005
 
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5,497,142 Directional separator-coupler circuit for medium-frequency carrier currents on a low-voltage electrical line 66 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 47 1993
 
Elsmark A/S (1)
4,408,185 Process for transferring information and system for carrying out the process 55 1980
 
EMC CORPORATION (1)
7,072,995 Methods and apparatus for indicating whether a device is connected to a serial ATA communications cable 26 2003
 
EMERSON NETWORK POWER, ENERGY SYSTEMS, NORTH AMERICA, INC. (1)
5,706,157 Power distribution system with over-current protection 34 1996
 
Energy Transformation Systems, Inc. (1)
6,123,577 Lan patch panel and wall mount unit assembly 73 1997
 
Enertec (1)
4,763,103 Process and method for wide band transmission, particularly for data transmission over an electricity distribution network 28 1986
 
ENTROPIC COMMUNICATIONS, INC. (1)
2002/0166,124 Network interface device and broadband local area network using coaxial cable 115 2001
 
ERICSSON INC. (1)
5,822,678 CATV network for transport of radio frequency signals 88 1996
 
ERICSSON RAYNET (1)
5,845,190 Cable access device and method 89 1996
 
Eva Cogenics Inc Euaday Division (1)
5,870,016 Power line carrier data transmission systems having signal conditioning for the carrier data signal 79 1997
 
EXIDE ELECTRONICS CORPORATION (1)
5,319,571 UPS system with improved network communications 61 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 23 2005
 
FARALLON COMPUTING, INC. (1)
5,414,708 Method and apparatus for connecting nodes for a computer network 83 1992
 
FERRANTI SUBSEA SYSTEMS, LTD., A CORP OF THE UNITED KINGDOM (1)
4,641,126 Multiple-mode electrical power and communications interface 28 1984
 
FINISAR CORPORATION (1)
7,331,819 Media converter 22 2006
 
FISHER CONTROLS INTERNATIONAL LLC (1)
5,451,923 Communication system and method 104 1994
 
FLEET CAPITAL CORPORATION (1)
5,070,442 Computerized door locking and monitoring system using power-line carrier components 30 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 23 2002
 
FORD GLOBAL TECHNOLOGIES, LLC (1)
6,648,308 Spring apparatus 26 2002
 
FORD MOTOR COMPANY (1)
4,490,683 Electronic control switch for a power boost amplifier 18 1982
 
FOSTER-MILLER, INC. (1)
5,892,430 Self-powered powerline sensor 84 1996
 
FOX ENTERTAINMENT GROUP (1)
7,079,012 System and method for distributing broadband communication signals over power lines 8 2004
 
FRANCE TELECOM (1)
2004/0105,539 High-speed data transmission system to a digital terminal 8 2003
 
FREESCALE SEMICONDUCTOR, INC. (1)
4,593,389 Simultaneous voice and asynchronous data telephone 80 1984
 
FSSL, INC. (1)
4,639,714 Combined power and control signal transmission system 86 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 28 1997
 
FUTURE LINK SYSTEMS (1)
6,577,230 Network for data and energy transfer 23 2000
 
GE SECURITY, INC. (1)
6,441,723 Highly reliable power line communications system 190 2000
 
GENLYTE THOMAS GROUP LLC (1)
7,007,305 Repeater amplifier with signal firewall protection for power line carrier communication networks 25 2001
 
Gold Star Tele-Electric Co., Ltd., Inc. (1)
4,734,919 Circuit for serial data communication and power transmission 30 1982
 
Goldstar Co., Ltd. (1)
5,155,466 Automatic frequency control system 18 1991
 
GREYFOX SYSTEMS, INC. (1)
5,651,696 CEBUS tap point unit 64 1995
 
GRID2020, INC. (1)
6,549,120 Device for sending and receiving data through power distribution transformers 59 2000
 
GridComm, Inc. (1)
4,577,333 Composite shift keying communication system 68 1984
 
H.P.M. INDUSTRIES PTY LTD (1)
5,982,052 DC power control of switching devices 25 1998
 
HARMAN INTERNATIONAL INDUSTRIES, INCORPORATED (1)
6,178,514 Method and apparatus for connecting a device to a bus carrying power and a signal 148 1998
 
HARRIS CORPORATION (1)
4,197,431 Subscriber loop feed apparatus 32 1978
 
Hazeltine Corporation (1)
4,535,447 Remote monitoring system transmitter 18 1983
 
HELLER FINANCIAL, INC. (1)
6,377,874 Power distribution system including integrated power node control center 78 1994
 
HEWLETT-PACKARD COMPANY (1)
5,121,482 Circuit and method for automatic input-output configuration through local area network detection 34 1989
 
Hillier Technologies Limited Partnership (1)
4,864,588 Remote control system, components and methods 79 1987
 
HINES & ASSOCIATES, INC. (1)
6,005,476 Electronic identification, control, and security system for consumer electronics and the like 52 1998
 
HITACHI CHEMICAL COMPANY, LTD. (1)
5,003,457 Simultaneous data and electric power transmitting/receiving system 48 1988
 
HITACHI, LTD. (1)
5,400,068 Video telephone 47 1992
 
HOCHIKI CORPORATION (1)
5,475,363 Disaster prevention monitoring apparatus 16 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 26 2004
 
HONEYWELL REGELSYSTEME GMBH (1)
5,049,876 Data communication system 16 1989
 
HUBBELL INCORPORATED (1)
6,616,005 Modular faceplate assembly for an electrical box 67 2000
 
IBEC HOLDINGS, INC. (1)
6,040,759 Communication system for providing broadband data services using a high-voltage cable of a power system 149 1998
 
ICRON TECHNOLOGIES CORPORATION (1)
6,308,215 Extender apparatus for USB connection of computer units 47 1998
 
ID8 GROUP R2 STUDIOS, INC. (1)
6,792,323 Method, system, and computer program product for managing controlled residential or non-residential environments 138 2003
 
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5,815,086 Automated appliance control system 122 1996
 
INARI, INC. (1)
2002/0039,388 High data-rate powerline network system and method 75 2001
 
INC INTEGRATED NETWORK CORPORATION (1)
5,025,443 Digital data over voice communication 100 1989
 
INLINE CORPORATION CORPORATION (1)
6,704,824 Universal serial bus adapter with automatic installation 54 2000
 
INOVA LTD. (1)
6,529,443 Two-conductor bidirectional digital seismic telemetry interface 37 2001
 
INTELLECTUAL VENTURES I LLC (1)
6,385,024 System and method for monitoring current consumption from current share components 63 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 78 1998
 
INTER-TEL INTEGRATED SYSTEMS, INC. (1)
6,463,051 Internet calling system 59 1997
 
INTERMEC IP CORP. (1)
5,457,629 Vehicle data system with common supply of data and power to vehicle devices 68 1992
 
INTERNATIONAL BROADBAND ELECTRIC COMMUNICATIONS, INC. (1)
7,319,717 Device and method for enabling communications signals using a medium voltage power line 20 2005
 
INTEROPERABILITY TECHNOLOGIES GROUP LLC (1)
2008/0153,415 Method and apparatus for in-building communications 25 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 126 1999
 
INVENTEC CORPORATION (1)
2008/0125,187 Wireless transmission system suitable for large space and method thereof 8 2006
 
INVENTIONS INC. (1)
4,742,538 Current source and off-hook detector 42 1987
 
ITT CORPORATION (1)
4,339,816 Conferencing apparatus and methods for a frequency division multiplex communications system 76 1980
 
Iverson Gaming Systems, Inc. (1)
6,383,076 Monitoring system for plural gaming machines using power line carrier communications 90 1997
 
Iwasaki Tsushinki Kabushiki Kaisha (1)
4,583,214 Key telephone transmission system 31 1984
 
Iwatsu Electric Co., Ltd. (1)
4,462,113 Cordless transmitting and receiving apparatus 50 1982
 
IXIA (1)
7,162,377 Testing and emulating a device's power characteristics 44 2003
 
JENNISON GREYFOX SYSTEMS (1)
6,227,499 Rough-in mounting bracket for CEBUS tap point unit 31 1996
 
Jeumont-Schneider Corporation (1)
4,621,170 Means of transmitting signals along a line while also providing a direct voltage source 20 1982
 
KOREA TELECOMMUNICATION AUTHORITY (1)
5,796,739 Subscriber input/output device of high-speed packet switching system with parallel common bus type 60 1996
 
Kurtosis Ingenierie S.A. (1)
6,760,384 Method for the distribution of information 43 2000
 
KYE SYSTEMS CORP. (1)
6,366,143 Power shut-off and recovery circuit for data communication devices 46 1998
 
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6,571,305 System for extending length of a connection to a USB peripheral 32 2000
 
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5,428,682 Subscriber line interface circuit with reduced on-chip power dissipation 91 1993
 
LEIGH STEWART PRODUCTS LIMITED (1)
5,422,519 Electric power and data signal transmission system 54 1992
 
LEISURETECH ELECTRONICS PTY., LTD. (1)
7,181,023 Distributed stereo system 26 1998
 
LEVEL ONE COMMUNICATIONS, INC. (1)
5,748,634 Method and apparatus for implementing a two-port ethernet bridge using a semaphoring technique 54 1995
 
LEXTRON SYSTEMS, INC. (1)
6,167,120 Apparatus and methods for home networking 115 1998
 
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6,115,429 Data receiving method for receiving data through predetermined clear zones of a powerline 22 1995
 
LINKPEOPLE, INC. (1)
2005/0086,389 Wireless network adapter 62 2003
 
LITE-ON TECHNOLOGY CORPORATION (1)
2007/0206,629 Network Equipment Applied In Power Line Carrier Communication System 20 2007
 
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6,522,515 Data and power connector port 35 2000
 
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7,162,234 Wireless communication device 13 2004
 
LSI CORPORATION (1)
5,311,114 Apparatus and method for full-duplex ethernet communications 108 1992
 
LUGH NETWORKS, INC. (1)
2003/0062,990 Powerline bridge apparatus 139 2002
 
M&S SYSTEMS, LP (1)
2002/0188,762 Data structure for an entertainment and communications network 17 2001
 
MACAB AB (1)
2003/0151,695 Communication apparatus 73 2003
 
MAINTENACE & DIAGNOSTICIS, L.L.C. (1)
5,859,596 Switchyard equipment monitoring system and communications network therefor 68 1996
 
MAITRE T', A CORP. OF AZ. (1)
4,556,864 Apparatus and method for communicating digital information on AC power lines 44 1982
 
MARCONI UK INTELLECTUAL PROPERTY LTD. (1)
5,682,423 Electrical power and telephone ringer signal distribution system 26 1996
 
MARQUARDT GMBH (1)
5,483,230 Bus system 32 1993
 
MASPRODENKOH KABUSHIKIKAISH (1)
6,804,828 Tap device of cable broadcasting system 31 1999
 
MAXIM INTEGRATED PRODUCTS, INC. (1)
6,985,072 Apparatus and method for a low-rate data transmission mode over a power line 38 2001
 
MAXIMUS MULTIMEDIA INTERNATIONAL, LLC (1)
6,009,465 Entertainment and information systems and related management networks for a remote video delivery system 210 1996
 
MECEL AB (1)
6,363,066 Method and arrangement for combined data and power distribution using a communication bus 28 1998
 
MEDIAFLOW, INC. (1)
5,974,553 Method for powering elements connected in a two-wire bus network transmitting both power supply and data information pulses 107 1997
 
MEDIAMAX, INC. (1)
2003/0112,965 Active wall outlet 76 2002
 
MFIP, LLC (1)
4,992,774 Method for powering remote visual displays and allowing for data exchange over the same wire pair 60 1989
 
MITSUBISHI ELECTRIC RESEARCH LABORATORIES, INC. (1)
6,759,946 Home appliances network 86 2001
 
Monster Cable International, Ltd. (1)
5,757,936 Audio and video signal distribution system and method 71 1995
 
MOORE PRODUCTS CO. (1)
5,420,578 Integrated transmitter and controller 43 1994
 
MOTOROLA SOLUTIONS, INC. (1)
7,349,325 Broadband over low voltage power lines communications system and method 14 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 29 1994
 
NEC ENGINEERING, LTD. (1)
7,079,647 IP telephone with power source circuit 37 2002
 
NEC Home Electronics Ltd. (1)
4,866,733 Radio bus system 57 1987
 
NEC INFRONTIA CORPORATION (1)
6,535,587 Integrated transmitter, LAN communication equipment, telephone communication apparatus and communication method using integrated transmitter 63 2000
 
NETAPP, INC. (1)
6,947,287 Universal modular power supply carrier 24 2002
 
NETCOMM TECHNOLOGY LIMITED LIABILITY COMPANY (1)
6,011,794 Internet based telephone apparatus and method 174 1996
 
NILES AUDIO CORPORATION (1)
6,501,389 Audio, video, or multimedia system keypad controller having multiple vector control paths and associated methods 24 1999
 
NIPPON COLIN, LTD., (1)
4,697,166 Method and apparatus for coupling transceiver to power line carrier system 78 1986
 
NIPPON STEEL CHEMICAL CO., LTD. (1)
2002/0159,512 Communication apparatus and communication method 9 2002
 
NIPPON TELEGRAPH AND TELEPHONE CORPORATION (1)
4,507,721 DC-DC Converter for remote power feeding 49 1983
 
NITEK INTERNATIONAL, LLC (1)
7,193,149 System handling video, control signals and power 9 2003
 
NORTHERN TELECOM LIMITED (1)
5,033,112 Closed loop, programmable power and communication system 71 1987
 
NORTHROP GRUMMAN SYSTEMS CORPORATION (1)
5,504,454 Demodulator for powerline carrier communications 48 1995
 
NORWEB PLC (1)
5,949,327 Coupling of telecommunications signals to a balanced power distribution network 99 1997
 
NTT DATA CORPORATION (1)
6,087,835 LAN tester 24 1997
 
NWF INDUSTRIES (1)
5,146,471 Correlator for spread spectrum communications systems 85 1991
 
NXP B.V. (1)
4,845,466 System for high speed digital transmission in repetitive noise environment 54 1987
 
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2005/0073,968 Self-configuring, adaptive, three-dimensional, wireless network 70 2003
 
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5,835,005 Power-line data transmission method and system utilizing relay stations 97 1995
 
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4,973,940 Optimum impedance system for coupling transceiver to power line carrier network 65 1987
 
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6,109,959 Electrical socket device 44 1998
 
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2006/0007,945 Medium to disparate medium hopping mesh network 22 2005
 
OPTIS CELLULAR TECHNOLOGY, LLC (1)
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 157 1999
 
OSAKI ELECTRIC CO., LTD. (1)
4,988,972 Method for transmitting and receiving signals over transmission power lines 29 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 13 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 23 2001
 
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2006/0109,185 Portable radio communication apparatus provided with a part of a housing operating as an antenna 2 2005
 
PCTEL MARYLAND, INC. (1)
5,937,342 Wireless local distribution system using standard power lines 97 1997
 
PDACO LTD. (1)
5,815,681 Integrated network switching hub and bus structure 83 1996
 
PEMCO CORPORATION (1)
4,389,694 Cable continuity monitoring system 37 1980
 
PENDRAGON WIRELESS LLC (1)
7,164,346 Routing device and method for a powerline network 6 2002
 
PERACOM NETWORKS, INC. (1)
6,481,013 Entertainment and computer coaxial network and method of distributing signals therethrough 167 1999
 
Pertech, Inc. (1)
6,128,743 Intelligent system and method for universal bus communication and power 41 1998
 
PETROLEO BRASILEIRO S.A. - PETROBRAS (1)
5,572,182 Integrated power and signal transmission system 36 1994
 
PHILIPS SOLID-STATE LIGHTING SOLUTIONS, INC. (1)
6,166,496 Lighting entertainment system 451 1998
 
Phoenix Corporation (1)
5,319,634 Multiple access telephone extension systems and methods 214 1991
 
PHONEX HOLDINGS L.P. (1)
5,066,939 Method and means of operating a power line carrier communication system 128 1989
 
PLUGNET CORPORATION (1)
2002/0080,010 Power line communications network device for DC powered computer 58 2001
 
POLYTRAX INFORMATION TECHNOLOGY AKTIENGESELLSCHAFT (1)
6,671,501 Signal transmission circuit 8 2000
 
POWER LINE NETWORKS (1)
2003/0006,881 System and method for power line communication 34 2000
 
POWERDSINE, INC. (1)
7,225,345 Employing sense resistor as safety fuse in limited power source applications 15 2003
 
POWERMEDIA & COMMUNICATIONS, INC. (1)
6,281,784 Information and control communication over power lines 48 1999
 
PRIMAX ELECTRONICS LTD. (1)
6,445,087 Networking power plug device with automated power outlet control 90 2000
 
PULSE ELECTRONICS, INC. (1)
7,003,102 Telecommunications gateway and method 88 2001
 
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5,952,914 Power line communication systems 84 1997
 
Raynet Corporation (1)
5,539,805 Power supply system including ringing voltage reset under low input voltage conditions 31 1994
 
Raynet; Ericsson (1)
5,805,591 Subscriber network interface 107 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 185 1981
 
RCD INVESTMENTS NO. 2, LTD. (1)
6,349,133 Method and system for interfacing a telephony network and a digital data stream 79 1998
 
REALTEK SEMICONDUCTOR CORP. (1)
7,404,094 Relay set in network device and method thereof 9 2006
 
RENESAS ELECTRONICS CORPORATION (1)
5,568,547 Subscriber circuit provided with a circuit for monitoring a subscriber instrument 27 1994
 
Renishaw Controls Limited (1)
4,901,218 Communications adaptor for automated factory system 139 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 24 2002
 
ROBERT R. DETORE (1)
5,982,276 Magnetic field based power transmission line communication method and system 110 1998
 
Robinton Products, Inc. (1)
4,692,761 Adaptive communication network and method 117 1985
 
ROCKWELL AUTOMATION TECHNOLOGIES, INC. (1)
7,049,514 Rail system for distributing power and data signals 23 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 35 1998
 
Rogers Cable Systems Limited (1)
5,802,173 Radiotelephony system 196 1992
 
ROHM CO., LTD. (1)
5,533,101 Extension phone type cordless telephone set 36 1994
 
SANDERSON, LELON WAYNE (1)
5,864,284 Apparatus for coupling radio-frequency signals to and from a cable of a power distribution network 96 1997
 
Sangamo Weston Limited (1)
4,419,758 Transmission systems for transmitting signals over power distribution networks, and transmitters for use therein 18 1981
 
Sangamo Weston, Inc. (1)
4,348,668 System for controlling power distribution to customer loads 24 1979
 
SANYO DENKI CO., LTD. (1)
6,111,764 Power failure-free power supply apparatus 31 1999
 
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5,034,531 Fused polycyclic pyranyl compounds as antiviral agents 25 1988
 
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Sprint Communications Company L.P. (1)
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4,431,869 Telephone line feed 33 1980
 
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4,814,941 Power receptacle and nested line conditioner arrangement 132 1987
 
STEPHEN WYSTRACH (1)
5,109,222 Remote control system for control of electrically operable equipment in people occupiable structures 204 1989
 
STERN TELECOMMUNICATIONS CORPORATION (1)
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4,785,448 System for communicating digital data on a standard office telephone system 143 1987
 
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Other [Check patent profile for assignment information] (45)
4,329,678 Method and apparatus for remotely controlling an electrical appliance 25 1980
4,442,319 Telephone accessible appliance control system 51 1981
4,413,229 Method and apparatus for remote indication of faults in coaxial cable R-F transmission systems 71 1981
4,477,896 Single-wire data transmission system having bidirectional data synchronization, and D.C. power for remote units 45 1981
4,567,557 Building intelligence system 96 1983
4,484,185 Safety plug adapter 103 1983
4,701,945 Carrier current transceiver 96 1984
4,809,339 Audio transducer 31 1987
4,803,719 Method for powering telephone apparatus and telephone apparatus powered directly from the telephone line without external power 54 1987
4,866,757 Combined telephone and power distribution system 30 1987
4,912,553 Wideband video system for single power line communications 75 1988
4,973,954 Network user for maintaining data and energy transmission 29 1989
4,926,158 Powered communication link 66 1989
4,991,221 Active speaker system and components therefor 28 1989
5,070,522 Combined signal and power distribution system 43 1989
5,151,838 Video multiplying system 70 1989
5,068,890 Combined signal and electrical power distribution system 101 1990
5,161,021 Wireless video/audio signal or data transmission device and its remote control circuit 68 1990
5,210,788 Telephone instrument and distribution system 49 1992
5,356,311 Network wall plate 49 1993
5,343,514 Telephone line powered system 75 1993
5,412,369 Two-wire control system 19 1993
5,438,678 Self-powered computer accessory device for power extraction from attached data signals and method of operating thereof 155 1994
5,554,968 Data communication using power lines 84 1994
5,517,172 Method and apparatus for powering and signaling over a single wire pair 52 1994
5,731,664 Electrical switched load relocation apparatus 34 1996
5,696,861 Method and apparatus for simultaneously connecting data/signal communication lines and power lines to a data/RF receiver/transmitter 57 1996
5,801,635 Power interruption detector 64 1997
6,459,175 Universal power supply 213 1998
6,433,672 Combined power and communication delivery system and kit for installation at or beyond the demarcation point 69 1999
6,283,789 Data and power transmitting cable system 114 2000
2002/0024,424 Civil defense alert system and method using power line communication 30 2001
6,362,610 Universal USB power supply unit 64 2001
2002/0057,581 Active remote power feeding through communication line of one pair of wires 23 2001
2002/0166,125 Universal home cabling system 56 2002
2002/0145,509 Power line communications interface to indoor subscriber 15 2002
6,608,264 Switchable data and power cable 98 2002
2004/0198,236 Wireless telephone jack 66 2002
2003/0099,228 Local area and multimedia network using radio frequency transceivers and coaxial cable 72 2002
2004/0136,388 Video-monitor/recording/playback system 45 2003
7,167,078 Electric, telephone or network access control system and method 82 2004
2005/0053,087 Ethernet converter 67 2004
7,375,445 Apparatus for moving the effect of a wall switch from its switched power outlet to a non-switched outlet 13 2005
7,380,044 IEEE 1394 to coaxial cable adapter 9 2006
2008/0140,565 INTELLIGENT POWER PORT 32 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 0 2008
8,582,598 Local area network for distributing data communication, sensing and control signals 0 2012

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