GPS-microphone for communication system

Details GPS-microphone for communication system GPS-microphone for communication system

2011-02-01

2011-02-01

Maung, Nay A. (Department: 2618)

Telecommunications

Radiotelephone system

Zoned or cellular telephone system

C455S456600, C455S009000, C701S201000, C342S357490

Reexamination Certificate

active

07881729

ABSTRACT:
A communication apparatus, such as a GPS-microphone, which is adapted for incorporating a communication system, includes a communication unit such as a speaker-microphone set, a communication transmitter such as a radio frequency transmitter communicatively networked with the communication system through radio frequency signals, and a positioning controller such as GPS controller electrically connected with the communication transmitter to encode positioning data into one or more RF positioning signals in form of audio signals wherein when the positioning controller is triggered, the communication transmitter is activated to transmit RF positioning signals to the communication system.

REFERENCES:
patent: 5422816 (1995-06-01), Sprague
patent: 5884199 (1999-03-01), Maki
patent: 6721633 (2004-04-01), Funk et al.
patent: 2002/0186164 (2002-12-01), Hsu et al.
patent: 3130461 (1997-05-01), None
Bob Bruninga, APRS Mic-Lite ARRL and TAPR Digital Communications Conference 18th, 13 pages, Phoenix,Sep. 24-26, 1999.
U.S. Appl. No. 09/876,025, filed Dec. 12, 2002, William Hsu.

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