Innovative Electronic Designs, Inc.

Mitek Corporation

John David Johnson

Robert A Ponto

Hardison G Martin

William H Brown

Anthony William Simpson

Kenneth A Tench

Patrick B Mullaney

Brian E Flinn

An end-of-branch (EOB) module system for an audio signal distribution system having a wired trunk and a plurality of wired branches extending communicatively from such trunk, the EOB module system including: a plurality of EOB modules including one EOB module electronically coupled at each distal end of each branch and trunk of the audio signal distribution system, where each EOB module of the plurality of EOB modules has a unique address together forming a plurality of unique addresses; a test system able to send a test carrier signal encoded with any one unique address of the plurality of unique addresses at a time onto the trunk; and a switch within each EOB module, responsive to its unique address to place an end-of-line (EOL) load on its respective branch or trunk, and where power for operation of each EOB module is provided by rectification of the test signal.

End of branch module system

The instant invention provides a system and method of broadcasting audio and visual information to a plurality of audio reproduction devices and visual display devices utilizing a plurality of control computers linked thereto by a communications network. The invention employs a plurality of pre-recorded digital audio files and corresponding visual representation thereof to allow a user to construct message sequences for broadcast with a minimum of system input. Furthermore, a user may specify a plurality of broadcast zones to broadcast audio and visual messages.

Information broadcasting system

The instant invention provides a digital audio processing system that includes a mainframe chassis, a central processor card, a plurality of analog input cards, and a plurality of analog output cards for accepting a plurality of audio inputs and producing a plurality of mixed audio outputs.

Audio processing system

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Louisville, KY, United States of America

John David Johnson