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Universal mutilmedia bluetooth car handsfree device

  • US 20110105197A1
  • Filed: 11/04/2009
  • Published: 05/05/2011
  • Est. Priority Date: 11/04/2009
  • Status: Abandoned Application
First Claim
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1. A universal multimedia bluetooth car handsfree device to be connected to a car stereo, comprising a bluetooth wireless transmission unit, a cable signal input unit, a stereo switch unit, a handsfree speakerphone unit, a control unit, and a stereo output unit, wherein:

  • the bluetooth wireless transmission unit has one end connecting to a bluetooth enabled mobile phone in a two-way wireless transmission fashion and sends sound output directly or indirectly to the connecting handsfree speakerphone unit and also is connected to the stereo switch unit to provide wireless conversation for the bluetooth enabled mobile phone without holding a speakerphone or music playing;

    the cable signal input unit is connected to at least one multimedia storage device through at least one multimedia signal cable to receive input and outputs to the linking stereo switch unit;

    the stereo switch unit receives input from the bluetooth wireless transmission unit and the cable signal input unit and sends output to control source selection for sound output;

    the handsfree speakerphone unit executes phone calls of the bluetooth enabled mobile phone and performs speaker conversation through a microphone and at least one speaker;

    the control unit controls at least the stereo switch unit to perform sound source input selection; and

    the stereo output unit is directly or indirectly connected to an input interface of the car stereo.

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