Method and apparatus for generating DTMF tones using...

Details Method and apparatus for generating DTMF tones using... Method and apparatus for generating DTMF tones using...

2005-11-08

2005-11-08

Trost, William (Department: 2683)

Telecommunications

Transmitter and receiver at same station

Radiotelephone equipment detail

C455S024000, C455S550100, C455S569100, C370S278000, C370S282000, C370S286000, C704S246000

Reexamination Certificate

active

06963760

ABSTRACT:
An apparatus, method, and code on a computer readable medium are provided for constructing and operating a vehicle communication unit that is adapted for enunciating an audio signal to the cabin of a vehicle, and for simultaneously receiving the enunciated audio signal and a voice-command from a user speaking in the cabin of the vehicle, and for generating a DTMF signal in response to the voice-command without muting or otherwise interrupting the enunciated audio signal.

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