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HANDHELD TRANSMITTER/RECEIVER

  • US 20090161893A1
  • Filed: 11/16/2006
  • Published: 06/25/2009
  • Est. Priority Date: 11/17/2005
  • Status: Abandoned Application
First Claim
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1. A handset, comprising,a bone conduction speaker that uses a ceramic piezo element for transmitting a voice by utilizing bone conduction sound;

  • a laryngophone that uses a ceramic piezo element for picking up voice vibrations around a user'"'"'s throat; and

    connecting equipment that detachably connects said bone conduction speaker and said laryngophone, processes signals, and that includes a transmission line that transmits signals that are sent and received for calls.

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