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Telephone interface for mask

  • US 20050201548A1
  • Filed: 03/11/2005
  • Published: 09/15/2005
  • Est. Priority Date: 03/12/2004
  • Status: Abandoned Application
First Claim
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1. An interface unit for use with a personal protection device and a telephone;

  • the interface unit having a mounting portion adapted for mounting on the personal protection device; and

    the interface unit including a microphone and a speaker adapted for use by a wearer of the personal protection device when the interface unit is mounted on the personal protection device;

    the interface unit having a duplex output adapted for electrical connection with the telephone.

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