US 8,452,328 B2
Method and system of sharing a controller for a combined cellular phone and satellite radio
Paul Marko, Pembroke Pines, Fla. (US)
Assigned to Sirius XM Radio Inc., New York, N.Y. (US)
Filed by Paul Marko, Pembroke Pines, Fla. (US)
Filed on May 15, 2008, as Appl. No. 12/120,932.
Claims priority of provisional application 60/938,133, filed on May 15, 2007.
Prior Publication US 2008/0287122 A1, Nov. 20, 2008
Int. Cl. H04M 1/00 (2006.01); H04B 7/19 (2006.01); H04B 7/185 (2006.01)
U.S. Cl. 455—553.1  [455/13.2; 455/13.3; 455/552.1] 16 Claims
OG exemplary drawing
 
1. A combined cellular phone and satellite radio, comprising:
a cellular phone module having a base band processor;
a satellite radio module having a base band processor, said module comprising circuitry to receive and decode stereo digital audio signals;
a controller module having a digital signal processor (DSP) shared by the cellular phone module and satellite radio module; and
a microphone,
wherein the base band processor of the satellite radio module provides a digital audio output to a stereo decoder of the controller module and the base band module of the cellular phone module provides a digital audio output to the stereo decoder, and
wherein the stereo decoder multiplexes a microphone input signal received at the microphone with digital audio from the satellite digital radio module or the cellular phone module.