WO/2009/156952 is referenced by 3 patents.

A method and apparatus for controlling electrical for communicating over AC mains wires, comprising: providing a master unit and at least one slave unit; connecting the master unit to at least one wire of AC mains; connecting a slave unit to at least two wires of an AC mains; and communicating between the master unit and the at least one slave unit by a plurality of data elements in a half cycle of an AC current about the zero-crossing while substantially maintaining the current waveform.

Title
Electrical device control
Application Number
PCT/IB/2009/052702
Publication Number
2009/156952
Application Date
June 24, 2009
Publication Date
December 30, 2009
Inventor
Barak Shaul
Agent
Benari Zvi
Assignee
Barak Shaul
Bsn Pro
IPC
H02J 13/00
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