William Edward Bruggemeier

US Patent:

20060222153, Oct 5, 2006

Filed:

Feb 24, 2006

Appl. No.:

11/361398

Inventors:

Daniel Tarkoff - Mechanicsburg PA, US
Donald Fletcher - Palmyra PA, US
Amy Hahne - Harrisburg PA, US
William Bruggemeier - Hershey PA, US
Matthew Miller - Hershey PA, US

Assignee:

On-Q/Legrand - Middletown PA

International Classification:

H04M 1/00

US Classification:

379159000, 379164000

Abstract:

A distributed intercom system including a centralized interconnection unit with a central control device for receiving, processing and transmitting signals, a power distribution device for transmitting a power signal for distribution and at least one cable connection port for receiving a cable connection therein. The system includes a cable with a cable connection element for connection to the cable connection port, and the cable transmits a control signal, a line-level, analog audio signal and the power signal. One or more remote user interface units are connected to and in communication with the centralized interconnection unit through the cable, and the remote user interface unit includes an amplifier, a speaker device and a microphone device. At least one component of the remote user interface unit is powered by the power signal transmitted by the power distribution device.