Local area network of serial intelligent cells

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 7852874
APP PUB NO 20080219288A1
SERIAL NO

12124860

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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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First Claim

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Patent Owner(s)

Patent OwnerAddressTotal Patents
CONVERSANT INTELLECTUAL PROPERTY MANAGEMENT INC.OTTAWA ONTARIO, CA1392

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Binder, Yehuda Hod Hasharon, IL 219 3675

Cited Art Landscape

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5940400 Method, device, wireless transceiver and computer for providing collision detection in wireless carrier sense multiple access systems 66 1996
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4510493 Method and arrangement for local address acquisition by a station in a communication system 51 1982
4761646 Method and system for addressing and controlling a network of modems 183 1986
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5712614 Power line communications system 108 1995
5898347 Large signal attenuator 17 1996
5777545 Remote control apparatus for power line communications system 71 1997
 
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6583719 Setting apparatus and setting method each for setting setting information in electric power line carrier communication terminal apparatus 41 2001
 
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2004/0232,768 PORTABLE ELECTRONIC DEVICE FOR RECEIVING POWER OVER A NETWORK 33 2003
6912145 Power injector apparatus 30 2003
2006/0197,387 NETWORK POWER SPLITTER FOR SUPPLYING POWER FROM A NETWORK TO A PORTABLE ELECTRONIC DEVICE 14 2005
 
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OPTIS CELLULAR TECHNOLOGY, LLC (1)
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6998964 Splitter 86 2003
 
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7162650 Network switching apparatus for supplying power to network communication equipment through twisted pair line 20 2001
2008/0186,150 Plug-and-play network digital image display apparatus and image monitoring system 38 2007
 
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6539011 Method for initializing and allocating bandwidth in a permanent virtual connection for the transmission and control of audio, video, and computer data over a single network fabric 105 1999
6570890 Method for the transmission and control of audio, video, and computer data over a single network fabric using ethernet packets 125 1999
6574242 Method for the transmission and control of audio, video, and computer data over a single network fabric 93 1999
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6218930 Apparatus and method for remotely powering access equipment over a 10/100 switched ethernet network 268 2000
 
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5696790 Method and apparatus for time dependent data transmission 126 1995
5963539 Method and apparatus for detecting collisions on a network 92 1997
5963595 Method and apparatus for encoding and decoding a bit sequence for transmission over POTS wiring 92 1997
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6678321 Method and apparatus for transmitting and receiving a symbol over pots wiring using a multi-cycle waveform 98 1998
6735217 Method and apparatus for detecting collisions on a network using multi-cycle waveform pulses 94 1998
6771774 Filter arrangement for shaping a pulse propagated over pots wiring, and a method of manufacturing the same 87 1999
 
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6364535 Upgradeable media wall converter and housing 75 2000
 
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5334975 Residential time reference system 63 1991
 
TYCO ELECTRONICS SERVICES GMBH (1)
6755575 Self powered data communication optical fiber cable extender 45 2001
 
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4270206 Transceiver for phase-shift modulated carrier signals 40 1980
4300126 Method and apparatus, for power line communications using zero crossing load interruption 45 1980
4323882 Method of, and apparatus for, inserting carrier frequency signal information onto distribution transformer primary winding 85 1980
4408186 Power line communication over ground and neutral conductors of plural residential branch circuits 95 1981
4433326 Power line communication system using the neutral and ground conductors of a residential branch circuit 34 1981
4438519 Methods, and apparatus, for transmitting high-bit-rate digital data in power line communication media having high harmonic noise content 46 1981
4468792 Method and apparatus for data transmission using chirped frequency-shift-keying modulation 78 1981
4479215 Power-line carrier communications system with interference avoidance capability 76 1982
4510611 Transceiver circuit for interfacing between a power line communication system and a data processor 36 1982
4602240 Apparatus for and method of attenuating power line carrier communication signals passing between substation distribution lines and transmission lines through substation transformers 41 1984
4609839 Noise inverter circuit for a power line communication system 25 1984
4714912 Single-conductor power line communications system 57 1986
4745391 Method of, and apparatus for, information communication via a power line conductor 111 1987
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5844949 Power line communication system 50 1996
5903594 Power line communications spread spectrum protocol 48 1997
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6288632 Apparatus and method for power line communication (PLC) 31 1999
6346875 GHM aggregator 74 2000
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3COM CORPORATION (2)
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5630204 Customer premise wireless distribution of broad band signals and two-way communication of control signals over power lines 199 1995
6069890 Internet telephone service 478 1996
6157716 Power feed circuit providing both on-hook and off-hook power for telephone subscriber loop 30 1998
 
TOSHIBA GLOBAL COMMERCE SOLUTIONS HOLDINGS CORPORATION (1)
5884086 System and method for voltage switching to supply various voltages and power levels to a peripheral device 186 1997
 
Phoenix Corporation (1)
5319634 Multiple access telephone extension systems and methods 236 1991
 
DOUBLE WIN ENTERPRISE CO., LTD. (1)
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5421030 Communications system and method for bi-directional communications between an upstream control facility and downstream user terminals 176 1991
 
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4746809 AC power line signaling system 59 1986
5525962 Communication system and method 53 1994
 
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6996729 DSL communication apparatus with lifeline functionality suitable for transmitting and receiving voice signals during power failure 49 2002
 
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6574313 Voice over DSL method and system for supporting a lifeline 63 2000
 
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5822677 Shared hybrid-fiber coax transmission system having increased bandwidth in the upstream and downstream directions 97 1996
5963844 Hybrid fiber-coax system having at least one digital fiber node and increased upstream bandwidth 131 1996
5844789 Impedence regulator to block power line interference 21 1997
6459692 Intermittent node resolution for voice and data communication system 44 1999
6580710 Method and apparatus for facilitating intra-premises voice and data distribution using existing in-place POTS telephone lines 104 1999
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5973942 Start up circuit for DC powered field instrument 69 1998
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6040759 Communication system for providing broadband data services using a high-voltage cable of a power system 172 1998
 
STANDARD TELEPHONES AND CABLES PUBLIC LIMITED COMPANY (1)
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5400246 Peripheral data acquisition, monitor, and adaptive control system via personal computer 681 1992
 
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7413471 Integrated connector for powerline network and power supply 21 2005
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6026078 Apparatus and method for providing multiple network port configurations 44 1997
6546494 Providing power to a device over a network transmission medium 65 1999
6448899 Power indicating ethernet outlet and method therefor 161 2000
6556564 Scheduled internet protocol telephone instrument system 65 2001
6956462 Methods and devices for providing power to network-based systems 27 2001
2004/0146,061 Method and apparatus for dynamic termination of unused wired connection 57 2003
2004/0164,619 Connector module with embedded Power-Over-Ethernet functionality 73 2003
 
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ORTRONICS, INC. (5)
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7280032 Apparatus and method for communication system 22 2005
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6227499 Rough-in mounting bracket for CEBUS tap point unit 37 1996
 
SATIUS HOLDING, INC. (6)
6104707 Transformer coupler for communication over various lines 113 1997
5818127 Transmission of FM video signals over various lines 117 1997
6407987 Transformer coupler for communication over various lines 209 1999
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NIPPON STEEL CHEMICAL CO., LTD. (1)
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CHRIMAR SYSTEMS, INC. (1)
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5892795 Telecommunication system and modem for transmission of modulated information signals over power supply lines 35 1996
6097761 Method and system for the transmission of data and power 75 1998
 
New England Power Service Company (2)
4400688 Method and apparatus for communication over electric power lines 60 1980
4559520 Method for communication utilizing multi-mode reception 34 1982
 
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5699276 Utility meter providing an interface between a digital network and home electronics 158 1995
 
Citycom S.p.A. (1)
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DAVICOM SEMICONDUCTOR INC. (1)
6137865 Transmission and reception of data over a home network implemented upon a phone line system 89 1998
 
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6640308 System and method of powering and communicating field ethernet device for an instrumentation and control using a single pair of powered ethernet wire 178 1999
 
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6018690 Power supply control method, power supply control system and computer program product 133 1997
 
Panduit Corp. (6)
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7376734 VOIP telephone location system 22 2003
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7207846 Patch panel with a motherboard for connecting communication jacks 77 2004
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5684450 Electricity distribution and/or power transmission network and filter for telecommunication over power lines 129 1994
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6885674 Communications system for providing broadband communications using a medium voltage cable of a power system 152 2003
 
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4692761 Adaptive communication network and method 151 1985
 
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4733389 Drop cable for a local area network 98 1986
 
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6049881 Power adapter for powering a remote device through a computer data port 32 1998
6601097 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 102 2000
 
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5905442 Method and apparatus for controlling and determining the status of electrical devices from remote locations 419 1996
 
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6584197 Power-limited remote termination converter with wetting current and emergency power operation for digital data transmission equipment 46 1999
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6917681 Peak power management and active decoupling arrangement for span-powered remote terminal access platforms 34 2002
 
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Energy Transformation Systems, Inc. (1)
6123577 Lan patch panel and wall mount unit assembly 81 1997
 
RPX CLEARINGHOUSE LLC (6)
5828293 Data transmission over a power line communications system 132 1997
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5977650 Transmitting communications signals over a power line network 126 1998
6404773 Carrying speech-band signals over a power line communications system 152 1998
6785532 Power line communications 57 1999
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THE BOEING COMPANY (1)
6995658 Digital communication over 28VDC power line 55 2003
 
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6481013 Entertainment and computer coaxial network and method of distributing signals therethrough 235 1999
 
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6526581 Multi-service in-home network with an open interface 378 1999
 
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2002/0080,010 Power line communications network device for DC powered computer 77 2001
 
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5705974 Power line communications system and coupling circuit for power line communications system 102 1995
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6648308 Spring apparatus 31 2002
 
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6009465 Entertainment and information systems and related management networks for a remote video delivery system 277 1996
 
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7072995 Methods and apparatus for indicating whether a device is connected to a serial ATA communications cable 31 2003
 
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5684826 RS-485 multipoint power line modem 139 1996
 
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6157292 Power distribution grid communication system 115 1998
 
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5864284 Apparatus for coupling radio-frequency signals to and from a cable of a power distribution network 116 1997
 
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5241283 Drive amplifier for power line communications 58 1992
 
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5832364 Distributing wireless system carrier signals within a building using existing power line wiring 58 1995
 
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4463341 Single conductor multi-frequency electric wiring system for vehicles 65 1981
 
Sangamo Weston Limited (1)
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7266344 Remotely activated bridge device for use with a home network and methods for programming and using the same 53 2004
 
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4885563 Power line carrier communication system 72 1988
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6522515 Data and power connector port 44 2000
 
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7404091 Methods, systems, and computer program products for managing power allocation to a device powered over a network communications cable based on a cable characteristic 33 2005
 
ECI TELECOM LTD. (1)
6665404 Method and device for power supply in telecommunication systems 58 2002
 
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6999505 Power line communication modem capable of simultaneously supplying power and exchanging data 30 2003
 
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5581801 Apparatus for distributing RF signals and AC power to taps 54 1995
5781844 Method and apparatus for distributing a power signal and an RF signal 53 1996
6115468 Power feed for Ethernet telephones via Ethernet link 260 1998
6393607 AC port device for cable television tap 59 1999
6310781 Connection pin layout for connecting integrated magnetics modules to a printed circuit board 71 1999
6643566 System for power delivery over data communication cabling infrastructure 155 1999
6762675 Method and apparatus for remote powering of device connected to network 102 1999
6295356 Power feed for network devices 112 2000
6701443 Methods and apparatus for discovering a powerability condition of a computer network 102 2000
6541878 Integrated RJ-45 magnetics with phantom power provision 99 2000
6308240 Power management system for modular electronics 62 2000
6804351 Method and apparatus for detecting a compatible phantom powered device using common mode signaling 90 2000
6563816 Virtual loop carrier system with gateway protocol mediation 186 2000
6563418 Automotive network and adapter 56 2000
6952785 Methods and apparatus for powering a data communications port 35 2002
6841979 Power distribution with digital current control 64 2002
6985713 Data communication network providing power over network connections with node identification functionality 44 2002
6986071 Detecting network power connection status using AC signals 80 2002
7053501 Multi-pair aggregate power distribution 56 2002
7026730 Integrated connector unit 42 2002
7046983 Integral board and module for power over LAN 71 2002
6912282 Enabling Cisco legacy power to support IEEE 802.3 AF standard power 30 2003
7061142 Inline power device detection 31 2003
7152168 Recharging power storage devices with power over a network 25 2003
7240224 Inline power based device communications 45 2003
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7256684 Method and apparatus for remote powering of device connected to network 18 2004
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7353407 Methods and apparatus for provisioning phantom power to remote devices 33 2004
7363525 Bidirectional inline power port 43 2004
7145439 Powered device interface circuit 59 2004
7272669 Providing compatibility with both electrically isolated and non-isolated modules in an ethernet system 22 2004
7373528 Increased power for power over Ethernet applications 51 2004
7299368 High power architecture for power over Ethernet 43 2005
7117272 Interchangeable power over Ethernet module 34 2005
 
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7331819 Media converter 42 2006
 
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5187865 Method of coupling lf signals by means of power line communications coupler 24 1992
5546385 Flexible switching hub for a communication network 171 1995
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5805806 Method and apparatus for providing interactive networking between televisions and personal computers 257 1995
5799069 Method and apparatus for dynamically adapting the clock rate and data transfer rate of phone-line powered modems. 51 1996
5896443 Phone line computer networking 141 1997
6130896 Wireless LAN segments with point coordination 154 1997
6539484 Configurable power distribution circuit 32 1997
6272551 Network adapter for transmitting network packets between a host device and a power line network 74 1998
6216160 Automatically configurable computer network 97 1998
6249213 Method for transmitting information over an alternating current power line through a plurality of frequency orthogonal subchannels 37 1998
7089126 Diode discovery power level detection 51 2001
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6947736 Universal broadband home network for scalable IEEE 802.11 based wireless and wireline networking 91 2002
 
TYCO INTERNATIONAL (PA), INC., A CORPORATION OF NEVADA (2)
5610922 Voice plus 4-wire DDS multiplexer 83 1995
6236664 Pair gain system with an ADSL repeater unit 63 1999
 
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5990577 Hub for local area network with backup power supply system 50 1998
 
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NEC INFRONTIA CORPORATION (1)
6535587 Integrated transmitter, LAN communication equipment, telephone communication apparatus and communication method using integrated transmitter 81 2000
 
MEDIAMAX, INC. (1)
2003/0112,965 Active wall outlet 90 2002
 
NEC Home Electronics Ltd. (1)
4866733 Radio bus system 73 1987
 
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5113498 Input/output section for an intelligent cell which provides sensing, bidirectional communications and control 152 1990
5034882 Multiprocessor intelligent cell for a network which provides sensing, bidirectional communications and control 56 1990
5192231 Power line communications coupler 104 1991
5210518 Apparatus and method for reducing errors in data caused by noise 45 1991
5461629 Error correction in a spread spectrum transceiver 67 1992
5347549 Method and apparatus for interfacing between a twisted pair and an intelligent cell 60 1993
5424710 Power coupler for coupling power from a transmission line to a node thereon 53 1993
5391932 Source power coupler 73 1993
5491402 Apparatus and method for providing AC isolation while supplying DC power 159 1993
5475687 Network and intelligent cell for providing sensing, bidirectional communications and control 79 1993
5404127 Power line communication while avoiding determinable interference harmonics 171 1993
5485040 Powerline coupling network 75 1994
5355114 Reconstruction of signals using redundant channels 186 1994
5454008 Method and apparatus for interfacing between a twisted pair and an intelligent cell 44 1994
5548614 Method and apparatus for interfacing between a twisted pair and an intelligent cell 40 1995
5521491 Phase detecting device for determining phase angle between two electrical signals 44 1995
5844888 Network and intelligent cell for providing sensing, bidirectional communications and control 142 1995
5579335 Split band processing for spread spectrum communications 59 1995
5748671 Adaptive reference pattern for spread spectrum detection 56 1995
6896551 Power line phase coupler system 19 2000
7198521 Power line phase coupler system 19 2004
 
PANASONIC INTELLECTUAL PROPERTY CORPORATION OF AMERICA (1)
2006/0109,185 Portable radio communication apparatus provided with a part of a housing operating as an antenna 45 2005
 
Hochiki Corporation (1)
5475363 Disaster prevention monitoring apparatus 25 1994
 
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5144544 Power feed system for telephone and/or information technology terminals 83 1990
 
Echelon Systems Corporation (7)
4955018 Protocol for network having plurality of intelligent cells 148 1988
5018138 Protocol for network having a plurality of intelligent cells 121 1988
4969147 Network and intelligent cell for providing sensing, bidirectional communications and control 96 1988
4939728 Network and intelligent cell for providing sensing bidirectional communications and control 81 1988
4979183 Transceiver employing direct sequence spread spectrum techniques 109 1989
5257006 Method and apparatus for power line communications 169 1990
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Smart Labs, Inc. (1)
7345998 Mesh network of intelligent devices communicating via powerline and radio frequency 102 2004
 
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6659947 Wireless LAN architecture for integrated time-critical and non-time-critical services within medical facilities 236 2000
 
BBC Brown, Boveri & Company, Limited (1)
4800363 Method for data transmission via an electric distribution system and transmission system for carrying out the method 60 1987
 
NEC CORPORATION (6)
4641322 System for carrying out spread spectrum communication through an electric power line 143 1984
4864589 Spread spectrum power line communications 119 1986
5671220 Satellite channel interface in indoor unit used for satellite data communication 89 1995
6025945 Optical transmitter/receiver and a network using such optical transmitter/receivers 41 1997
6246748 Power feeding system using two-wire subscriber lines 79 1998
6847718 Remote power feed method and system 63 2000
 
POLYTRAX INFORMATION TECHNOLOGY AG (1)
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VIAVI SOLUTIONS INC. (2)
6975209 In-line power tap device for Ethernet data signal 46 2002
2008/0013,612 Home Network Testing 26 2007
 
NEC ENGINEERING, LTD. (1)
7079647 IP telephone with power source circuit 43 2002
 
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Optical Cable Corporation (1)
6109959 Electrical socket device 51 1998
 
CONVERSANT INTELLECTUAL PROPERTY MANAGEMENT INC. (10)
5841360 Distributed serial control system 195 1996
6396391 Communications and control network having multiple power supplies 162 1998
6961303 Telephone communication system and method over local area network wiring 103 2000
7035280 Local area network of serial intelligent cells 35 2004
7483524 Network for telephony and data communication 28 2004
7633966 Network combining wired and non-wired segments 20 2005
7187695 Local area network of serial intelligent cells 22 2005
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7636373 Network combining wired and non-wired segments 24 2006
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7154381 System and method for operating a sensed power device over data wiring 68 2004
 
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6715087 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 44 2000
 
Dell USA, L.P. (2)
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5944831 Power management apparatus and method for managing power application to individual circuit cards 61 1997
 
TZI Industries, Inc. (1)
6252754 Surge suppressor 85 2000
 
Dana Innovations (1)
7155214 I-port controller 62 2004
 
DELL PRODUCTS L.P. (1)
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4918690 Network and intelligent cell for providing sensing, bidirectional communications and control 364 1987
 
Alcatel N.V. (3)
4821319 Single line telephone communication system 109 1987
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5754539 Local area network for use in office communications and a circuit arrangement therefor 73 1996
 
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6463051 Internet calling system 72 1997
 
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6320866 Network termination 34 1998
6510204 Method and apparatus for providing an all digital loop with power-optimised mode 36 2001
6603220 Terminal adapted to be powered locally and to receive a remote power feed via a link connecting it to a local area network 33 2001
7068781 Alarm of a telecommunications terminal connected to a LAN 31 2002
7231535 Ethernet card for connection to a local network, for controlling connection to a communication terminal 28 2004
 
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4481501 Transformer arrangement for coupling a communication signal to a three-phase power line 73 1981
 
QUAD POWERLINE TECHNOLOGIES LLC (1)
2008/0165,463 THERMAL MANAGEMENT METHOD AND DEVICE FOR POWERLINE COMMUNICATIONS 21 2007
 
YITRAN COMMUNICATIONS LTD. (1)
2003/0103,521 Channel access method for powerline carrier based media access control protocol 183 2001
 
Yagi Antenna Co., Ltd. (1)
5150365 Communication system for coexistent base band and broad band signals 52 1990
 
Renishaw Controls Limited (1)
4901218 Communications adaptor for automated factory system 152 1988
 
Flextronics International GmbH & Co. Nfg. KG (1)
6815844 Circuit for supplying power to a network termination unit of a message transmission system 29 2002
 
Asea Brown Boveri Limited (1)
5029334 Process for transferring data packets 35 1990
 
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5939801 Remote d.c. power supply with automatic backup power feature 47 1997
 
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6151330 Electric power supply management system 74 1997
 
SAMSUNG ELECTRONICS CO., LTD. (6)
4556866 Power line carrier FSK data system 68 1983
5001774 Stereo headphone remote control circuit 48 1989
5579221 Home automation system having user controlled definition function 212 1994
5886732 Set-top electronics and network interface unit arrangement 400 1995
7016377 Home network system in asymmetric digital subscriber line system 80 2000
7292859 Apparatus and method for managing device information through networks 70 2004
 
LUGH NETWORKS, INC. (1)
2003/0062,990 Powerline bridge apparatus 164 2002
 
Dyalem Concepts Inc. (1)
5614811 Power line control system 69 1995
 
Icron Technologies Corporation (1)
6308215 Extender apparatus for USB connection of computer units 55 1998
 
RENESAS ELECTRONICS CORPORATION (1)
5568547 Subscriber circuit provided with a circuit for monitoring a subscriber instrument 33 1994
 
LEIGH STEWART PRODUCTS LIMITED (1)
5422519 Electric power and data signal transmission system 65 1992
 
CHARTOLEAUX KG LIMITED LIABILITY COMPANY (1)
6011794 Internet based telephone apparatus and method 210 1996
 
EMERSON NETWORK POWER, ENERGY SYSTEMS, NORTH AMERICA, INC. (1)
5706157 Power distribution system with over-current protection 40 1996
 
SEMTECH LTD. (1)
5929749 System for improved communication and control over power lines 39 1997
 
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6114632 Integrated power and data communication hybrid cable assembly for local area computer network 82 1999
 
Applied Spectrum Technologies, Inc. (2)
4672605 Data and voice communications system 430 1984
4724435 Bi-directional data telemetry system 222 1985
 
GLOBALFOUNDRIES INC. (5)
5930340 Device and method for isolating voice and data signals on a common carrier 191 1997
6819760 Adaptive energy detector gain control in physical layer transceiver for home telephone wire network 95 1999
6218931 Home-appliance network with nodes identified by direct-sequence spreading codes 64 1999
6252755 Apparatus and method for implementing a home network using customer-premises power lines 68 1999
6778549 Coupling device connecting multiple pots lines in an HPNA environment 93 2000
 
PULSAR TECHNOLOGIES, INC. (2)
4471399 Power-line baseband communication system 106 1982
4636771 Power line communications terminal and interface circuit associated therewith 105 1984
 
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6095867 Method and apparatus for transmitting power and data signals via a network connector system including integral power capacitors 47 1998
 
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4703306 Appliance system 147 1986
 
Simply Automated, Incorporated (1)
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7225345 Employing sense resistor as safety fuse in limited power source applications 20 2003
 
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LEGERITY, INC. (1)
5428682 Subscriber line interface circuit with reduced on-chip power dissipation 97 1993
 
National Semiconductor Corporation (2)
4642607 Power line carrier communications system transformer bridge 152 1985
5805597 Method and apparatus for providing low power basic telephony type service over a twisted pair ethernet physical layer 87 1996
 
H.P.M. INDUSTRIES PTY LIMITED (1)
5982052 DC power control of switching devices 30 1998
 
TEMIC TELEFUNKEN MICROELECTRONIC GMBH (1)
6477457 Method for transmitting power and data in a bus system provided for occupant protection devices 33 2000
 
NORTEL NETWORKS LIMITED (2)
5323461 Telephone line interface circuit with voltage switching 76 1992
5726980 Time division duplex communications repeater 108 1996
 
CIRRUS LOGIC, INC. (1)
2002/0056,116 Home bus computer system and method 21 2001
 
ROCKWELL AUTOMATION TECHNOLOGIES, INC. (1)
7049514 Rail system for distributing power and data signals 29 2003
 
TIARIS (1)
2002/0069,417 Home network system and method 173 2001
 
LITE-ON TECHNOLOGY CORPORATION (1)
2007/0206,629 Network Equipment Applied In Power Line Carrier Communication System 38 2007
 
CONTROL4 CORPORATION (1)
7106261 System for remotely controlling an electrical switching device 86 2005
 
V-Squared Networks (1)
2004/0121,648 Network device for communicating information 137 2003
 
HOME TOUCH LIGHTING SYSTEMS LLC (2)
6377163 Power line communication circuit 26 2000
6559757 Data communication over power lines 48 2000
 
EAST WEST BANK (1)
6831921 Wireless internet access system 93 2002
 
NORTHVU INC. (2)
6038425 Audio/video signal redistribution system 193 1998
6567981 Audio/video signal redistribution system 139 2000
 
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6389139 Powered volume control for distributed audio system 53 1997
2003/0035,556 Audio distribution system 33 2002
 
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6385024 System and method for monitoring current consumption from current share components 73 2000
 
PDACO LTD. (1)
5815681 Integrated network switching hub and bus structure 97 1996
 
ROCKWELL INTERNATIONAL CORPORATION (4)
4433284 Power line communications bypass around delta-wye transformer 80 1982
4458236 Communications signal coupling around wye/delta power transformation 23 1982
4473816 Communications signal bypass around power line transformer 76 1982
4473817 Coupling power line communications signals around distribution transformers 86 1982
 
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5937342 Wireless local distribution system using standard power lines 114 1997
 
XYLON LLC (1)
6115755 Integrated apparatus for interfacing several computers to the internet through a single connection 149 1998
 
INTELLECTUAL VENTURES II LLC (1)
6430199 Method and system for distributing telephone and broadband services over the copper pairs within a service location 97 1998
 
MECEL AB (1)
6363066 Method and arrangement for combined data and power distribution using a communication bus 35 1998
 
Pico Electronics Limited (1)
4638299 Electrical appliance control 64 1983
 
NITEK INTERNATIONAL LLC (1)
7193149 System handling video, control signals and power 16 2003
 
Monster Cable Products, Inc. (1)
5757936 Audio and video signal distribution system and method 119 1995
 
CONTROLONICS CORPORATION (1)
4597082 Transceiver for multi-drop local area networks 38 1984
 
NTT Data Corporation (1)
6087835 LAN tester 32 1997
 
Doo Won Co., Ltd (1)
7009527 Control system for suppling power by power line communication 40 2001
 
MARCONI ACCESS SYSTEMS NORTH AMERICA (2)
6763109 Copper based interface system and regulated power source 30 2000
6775299 Copper based interface system and data frame format 29 2000
 
TELENETWORK, INC. (2)
6275144 Variable low frequency offset, differential, ook, high-speed power-line communication 77 2000
6449318 Variable low frequency offset, differential, OOK, high-speed twisted pair communication 119 2000
 
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6005476 Electronic identification, control, and security system for consumer electronics and the like 93 1998
 
AVOCENT HUNTSVILLE CORP. (2)
5268676 Computer-monitor extended range communications link 58 1990
5353409 Computer-monitor extended range communications link 48 1990
 
FERRANTI SUBSEA SYSTEMS, LTD., A CORP OF THE UNITED KINGDOM (1)
4641126 Multiple-mode electrical power and communications interface 47 1984
 
ComSource Systems Corp. (1)
5168510 Spread spectrum-time diversity communications systems and transceivers for multidrop area networks 69 1989
 
ABB POWER T&D COMPANY INC. (17)
4355303 Receiver for a distribution network power line carrier communication system 41 1981
4357598 Three-phase power distribution network communication system 93 1981
4382248 Remote device for a multi-phase power distribution network communication system 25 1981
4402059 Load management terminal 31 1981
4427968 Distribution network communication system with flexible message routes 147 1981
4467314 Electric utility communication system with field installation terminal and load management terminal with remotely assignable unique address 99 1982
4644321 Wireless power line communication apparatus 113 1984
4668934 Receiver apparatus for three-phase power line carrier communications 103 1984
4686382 Switch bypass circuit for power line communication systems 87 1985
4766414 Power line communication interference preventing circuit 73 1986
4746897 Apparatus for transmitting and receiving a power line 83 1987
4841281 Apparatus for controlling a switching amplifier 32 1987
4962496 Transmission of data via power lines 101 1988
4890089 Distribution of line carrier communications 62 1988
5185591 Power distribution line communication system for and method of reducing effects of signal cancellation 81 1991
5694108 Apparatus and methods for power network coupling 76 1996
5933073 Apparatus and methods for power network coupling 122 1997
 
KOREA TELECOMMUNICATION AUTHORITY (1)
5796739 Subscriber input/output device of high-speed packet switching system with parallel common bus type 87 1996
 
MARCONI UK INTELLECTUAL PROPERTY LTD. (1)
5682423 Electrical power and telephone ringer signal distribution system 34 1996
 
GE SECURITY, INC. (1)
6441723 Highly reliable power line communications system 248 2000
 
BLACK & DECKER INC. (1)
4755792 Security control system 238 1987
 
SIEMENS ENTERPRISE COMMUNICATIONS, INC. (1)
5033062 Digital modem 116 1989
 
ADVANCED CONTROL TECHNOLOGIES, INC. (1)
5491463 Power line communication system 138 1993
 
HITACHI, LTD. (1)
5400068 Video telephone 81 1992
 
SKYWORKS SOLUTIONS, INC. (2)
5892792 12-chip coded spread spectrum modulation for direct conversion radio architecture in a digital cordless telephone 52 1995
6653932 System and method for achieving wireless communications coverage in a local area 98 1999
 
UNIVERSAL ELECTRONICS INC. (2)
6518724 Wall switch device and power outlet device 79 2001
6864798 Device docking apparatus and method for using the same 83 2001
 
EATON CORPORATION (1)
6084758 Power distribution system with circuit breakers remotely resettable by signals transmitted over the power lines 51 1998
 
UNITED ACCESS TECHNOLOGIES, LLC (3)
6236718 Video transmission and control system utilizing internal telephone lines 30 1999
6243446 Distributed splitter for data transmission over twisted wire pairs 36 1999
6542585 Distributed splitter for data transmission over twisted wire pairs 30 2002
 
TELECOMMUNICATIONS RESEARCH LABORATORIES (1)
5841841 Networking computers via shared use of voice telephone lines 155 1997
 
LENOVO PC INTERNATIONAL (1)
7257108 Determining the physical location of resources on and proximate to a network 53 2004
 
NELLCOR PURITAN BENNETT LLC (2)
5368041 Monitor and method for acquiring and processing electrical signals relating to bodily functions 83 1992
5381804 Monitor and method for acquiring and processing electrical signals relating to bodily functions 86 1993
 
SUBAUDITION WIRELESS LLC (1)
6982611 Power line coupling device and method of using the same 67 2002
 
LSI CORPORATION (1)
5311114 Apparatus and method for full-duplex ethernet communications 125 1992
 
ADVANCED POWERLINE TECHNOLOGIES, INC. (1)
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FUJITSU FRONTECH LIMITED (1)
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* Cited By Examiner

Patent Citation Ranking

Forward Cite Landscape

Patent Info (Count) # Cites Year
 
Israeli Company of Serconet Ltd. (1)
* 2007/0183,447 Local area network of serial intelligent cells 6 2006
 
TEMEDA LLC (1)
9258797 Method and apparatus for a local positioning system 0 2014
 
CONVERSANT INTELLECTUAL PROPERTY MANAGEMENT INC. (10)
* 8325636 Local area network of serial intelligent cells 7 2005
* 2006/0077,970 Local area network of serial intelligent cells 2 2005
8885659 Local area network of serial intelligent cells 0 2005
8270430 Local area network of serial intelligent cells 0 2006
8908673 Local area network of serial intelligent cells 0 2007
* 8351582 Network for telephony and data communication 1 2008
8929523 Network for telephony and data communication 0 2008
8582598 Local area network for distributing data communication, sensing and control signals 1 2012
8867523 Local area network of serial intelligent cells 0 2012
8885660 Local area network of serial intelligent cells 0 2013
* Cited By Examiner

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