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Electroacoustic communication device for use on protective headgear

  • US 6,608,908 B1
  • Filed: 09/14/1998
  • Issued: 08/19/2003
  • Est. Priority Date: 01/12/1996
  • Status: Expired due to Term
First Claim
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1. A protective headgear equipped with an electroacoustic communication device comprising:

  • a case including;

    an acoustic pick-up, and a speaker;

    an integral external principle shell made of rigid material including two lateral wall portions covering and corresponding to zones occupied by ears of a user; and

    connection means to removably attach and position said case inside of said principle shell in one of the zones occupied by the ear of the user, the connection means including;

    a removable connection between the case of the communication device and the external principle shell.

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