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Portable audio listening apparatus

  • US 7,181,024 B1
  • Filed: 11/02/2000
  • Issued: 02/20/2007
  • Est. Priority Date: 11/11/1999
  • Status: Expired due to Fees
First Claim
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1. A portable audio listening apparatus comprising:

  • a transmission apparatus and a portable receiving apparatus electrically and mechanically structured as different units,the portable transmission apparatus comprising;

    means for generating an audio modulated signal modulated in a band in which a signal is transferred by using a human body of a single user, wherein the audio modulated signal is generated based on stored audio data; and

    a first electrode for outputting the generated audio modulated signal, andthe portable receiving apparatus comprising;

    a second electrode for receiving the audio modulated signal transferred through the first electrode and then through the body of the single user;

    means for demodulating the audio modulated signal received by the second electrode and downloading said demodulated signal into said audio listening apparatus for storage; and

    means for generating audible sound according to the stored demodulated signal;

    wherein said second electrode is adapted to receive the audio module signal sent from an audio-signal transmission apparatus, wherein the portable receiving apparatus further comprises a transmitter for transmitting a second audio modulated signal through the body of the single user; and

    wherein the portable audio listening apparatus includes a second portable receiving apparatus, wherein the second portable receiving apparatus includes;

    a third electrode for receiving the second audio modulated signal transferred through the body of the single user;

    second means for demodulating the second audio modulated signal received by the third electrode; and

    second means for generating audible sound according to the demodulated second audio modulated signal.

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