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Voice amplification adapter assembly for face mask

  • US 5,463,693 A
  • Filed: 11/10/1993
  • Issued: 10/31/1995
  • Est. Priority Date: 11/10/1993
  • Status: Expired due to Term
First Claim
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1. A protective respirator, comprising:

  • a face mask having an inhalation port through which a wearer of the mask inhales ambient air;

    an air filter for filtering the inhaled ambient air and providing filtered air to said inhalation port;

    a microphone assembly which is removably detachable from a location between said inhalation port and said air filter, said microphone assembly including a spacer for separating said filter from said inhalation port, said spacer having a body with a passage extending the entire length thereof through which filtered air may pass from said filter to said inhalation port, said spacer further having a microphone extending therefrom;

    an amplifier connected to said microphone for receiving and amplifying sound transmitted by said microphone and outputting an amplified signal; and

    a loudspeaker connected to said amplifier for receiving and radiating said amplified signal.

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