1
Jeff Johnson, Dan Schulz, Thor Iverson, Dan Malmstrom: Internet based home communications system. Echelon Corporation, Blakely Sokoloff Taylor & Zafman, June 17, 2003: US06580950 (300 worldwide citation)

An Internet based home communications system for allowing a homeowner to monitor and control various features of their home from a distant location via a global computer network. The inventive system comprises a plurality of control devices positioned within a home, a control unit in communication w ...


2
Robert A Dolin Jr: System for installing and configuring (grouping and node address assignment) household devices in an automated environment. Echelon Corporation, Blakely Sokoloff Taylor & Zafman, May 21, 1996: US05519878 (232 worldwide citation)

An apparatus and method for network node identification and network configuration. Prior to physical installation, a first node of a network is communicated with by a dedicated apparatus wherein the first node is requested to transmit a first unique identifier for the node to the apparatus. The appa ...


3
Philip H Sutterlin, Howard W Johnson, Chin Chen Lee, Amy O Hurlbut: Reconstruction of signals using redundant channels. Echelon Corporation, Blakely Sokoloff Taylor & Zafman, October 11, 1994: US05355114 (169 worldwide citation)

In a power line communication apparatus, data is redundantly transmitted on a first and a second carrier where the carriers are separated by a predetermined number of Hz. In the receiver two channels are used, one for each of the carriers. The noise level in each channel is independently determined. ...


4
Martin H Graham, Howard W Johnson: Method and apparatus for power line communications. Echelon Corporation, Blakely Sokoloff Taylor & Zafman, October 26, 1993: US05257006 (166 worldwide citation)

A method and apparatus for power line communications which utilizes common mode transmission and reception of communication signals over power lines. The communication signals are sent and received between the power and neutral lines, and the ground line. A common mode choke in the power lines prese ...


5
Kenneth T Small: Apparatus and method for providing AC isolation while supplying DC power. Echelon Corporation, Blakely Sokoloff Taylor & Zafman, February 13, 1996: US05491402 (162 worldwide citation)

A source power coupler for coupling a power source to a first transmission line and a second transmission line. DC power from the power source is conducted by the source power coupler to the first and the second transmission lines while AC signals on the first and the second transmission lines are i ...


6
Howard W Johnson, Chin Chen Lee, Amy O Hurlbut: Transmission mode detection in a modulated communication system. Echelon Corporation, Blakely Sokoloff Taylor & Zafman, February 22, 1994: US05289476 (159 worldwide citation)

A power line communication (PLC) apparatus wherein transmission mode information is encoded into each data packet while maintaining immunity from single bit errors. In the present invention, a power line communication system includes a transmitter/receiver (i.e. transceiver) which is coupled to a po ...


7
Chin Chen Lee, Howard W Johnson, Philip H Sutterlin: Power line communication while avoiding determinable interference harmonics. Echelon Corporation, Blakely Sokoloff Taylor & Zafman, April 4, 1995: US05404127 (152 worldwide citation)

A power line communication (PLC) apparatus wherein a carrier is derived to avoid determinable interference harmonics. In order to transmit data on a power line containing the television interference or other determinable interference harmonics, the present invention uses redundant carriers at a freq ...


8
Walter J Downey: Transceiver with rapid mode switching capability. Echelon Corporation, Blakely Sokoloff Taylor & Zafman, August 24, 1993: US05239686 (148 worldwide citation)

An RF transceiver achieves a fast switching time between transmit and receive modes by leaving the transmit oscillator on all the time. The transmit chain comprises a wide pulling voltage controlled crystal oscillator that operates at one third the transmit frequency followed by a frequency tripler/ ...


9
Shabtai Evan, Wendell B Sander: Input/output section for an intelligent cell which provides sensing, bidirectional communications and control. Echelon Corporation, Blakely Sokoloff Taylor & Zafman, May 12, 1992: US05113498 (137 worldwide citation)

A network for providing sensing, communications and control is described. A plurality of intelligent cells each of which comprises an integrated circuit having a processor and input/output section are coupled to the network. Each of the programmable cells receives when manufactured a unique identifi ...


10
Armas C Markkula Jr, Wendell B Sander, Shabtai Evan, Stephen B Smith, William B Twitty: Network and intelligent cell for providing sensing, bidirectional communications and control. Echelon Corporation, Blakely Sokoloff Taylor & Zafman, December 1, 1998: US05844888 (124 worldwide citation)

A network for providing sensing and control using cells having distributed intelligence. A link between a first cell and a second cell is established by assigning some cells as repeaters. A first packet is modified with the ID of the cells that rebroadcast the packet as it makes its way in the netwo ...