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Communication apparatus, method and system for a self-contained breathing apparatus

  • US 20050172959A1
  • Filed: 05/27/2003
  • Published: 08/11/2005
  • Est. Priority Date: 06/05/2002
  • Status: Abandoned Application
First Claim
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1. A transmitter apparatus comprising:

  • a microphone operable to produce electrical signals representing acoustic utterances;

    a transmitter circuit in communication with said microphone and operable to transmit electromagnetic radiation representing said acoustic utterances for reception by a receiver;

    a housing having first and second opposite end portions and a retention portion between said first and second opposite end portions, said retention portion being operable to cooperate with a receptacle on a breathing apparatus to facilitate installation and removal of said transmitter apparatus on said breathing apparatus

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