Non-wireless communication using sound

Non-wireless communication using sound

  • CN 1,883,126 A
  • Filed: 09/23/2004
  • Published: 12/20/2006
  • Est. Priority Date: 09/23/2003
  • Status: Active Application
First Claim
Patent Images

1. , be used at the device of first equipment from the second equipment receiving digital data, described device comprises:

  • Jack is configured to;

    receive the analog signal of encoding with described numerical data;

    AndConverting unit with described jack links to each other is configured to;

    recover described numerical data from described analog signal.

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