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Hands-free module

  • US 5,487,182 A
  • Filed: 11/12/1993
  • Issued: 01/23/1996
  • Est. Priority Date: 06/25/1990
  • Status: Expired due to Fees
First Claim
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1. A hands-free module for use with a mobile telephone, comprising:

  • a first microphone means;

    ear phone means;

    first connection means for connecting the first microphone means and said ear phone means;

    a hands-free module housing provided with an insertion portion adapted for insertion into an opening provided in a housing of said mobile telephone, said insertion portion having a cross section corresponding to that of said opening,said hands-free module housing comprising;

    microphone amplifier means for said first microphone means,limiter means for said ear phone means, andsecond connector means for connecting said amplifier means andsaid limiter means to microphone output means provided in said opening and for connecting said limiter means to loudspeaker output means provided in said opening.

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