Method and apparatus for providing selectively variable modulati

Method and apparatus for remote powering of device connected...

Method and apparatus for remote powering of device connected...

Method and apparatus for remotely controlling an electrical appl

Method and apparatus for resource allocation in a communication

Method and apparatus for securing communications along ac...

Method and apparatus for sending signals over an electric fence

Method and apparatus for signal coupling at medium voltage in a

Method and apparatus for signal recognition in a remote control

Method and apparatus for transferring information into electroni

Method and apparatus for transmitting data over a power cable ut

Method and apparatus for transmitting intelligence over a carrie

Method and apparatus using phases for communication in...

Method and apparatus, for power line communications using zero c

Method and means of operating a power line carrier communication

Method and structure for coupling power-line carrier current sig

Method and system for adapting a telephone line modem for...

Method and system for bidirectional data and power transmission

Method and system for bidirectional data and power transmission

Method and system for communicating information within a dwellin