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Wireless digital music playing and transmitting device for portable DVD/CD player

  • US 20050249484A1
  • Filed: 05/10/2005
  • Published: 11/10/2005
  • Est. Priority Date: 05/10/2004
  • Status: Abandoned Application
First Claim
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1. A wireless digital music playing and transmitting device for portable DVD/CD player, characterized in that a transmitter consists of a central processing and audio frequency AD converting circuit, a radio-frequency module, an indicating lamp and a power control circuit;

  • output terminals of the central processing and audio frequency AD converting circuit are connected to the radio-frequency module, the indicating lamp and the power control circuit;

    the transmitter is provided with a functional interface which is capable of connecting a DVD/CD player or a microphone;

    a receiver consists of at least one set of switching circuits, a radio-frequency receiving module, a central processing and AD converting circuit and an audio-frequency amplifier circuit;

    output terminals of said radio-frequency receiving module are connected to the central processing and AD converting circuit, output terminals of the central processing and AD converting circuit are connected to the audio-frequency amplifier circuit, and the audio-frequency amplifier circuit is provided with a functional interface connecting to a loudspeaker.

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