Audio-output for a portable radio telephone utilizing a vehicle'

Details Audio-output for a portable radio telephone utilizing a vehicle' Audio-output for a portable radio telephone utilizing a vehicle'

1996-09-20

1999-02-02

Urban, Edward F.

Telecommunications

Transmitter and receiver at same station

Radiotelephone equipment detail

455569, 455575, H04Q 732

Patent

active

058677941

ABSTRACT:
A wireless telephone communication device is operated in a hands-free mode with detected received audio being relayed for output on the speakers of a radio. A single two-frequency FM transmitter or a multi-frequency transmitter that transmits simultaneously on a plurality of channels relays the audio to the FM radio.

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patent: 5239309 (1993-08-01), Tang et al.
patent: 5243640 (1993-09-01), Hadley et al.
patent: 5319716 (1994-06-01), McGreevy
patent: 5404391 (1995-04-01), Wavroch et al.
patent: 5418836 (1995-05-01), Yazaki
patent: 5448357 (1995-09-01), Hirata
patent: 5463356 (1995-10-01), Palmer
patent: 5584052 (1996-12-01), Gucau et al.
patent: 5714932 (1998-02-01), Castellon et al.

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