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Gas detection system for a portable communication

  • US 5,771,004 A
  • Filed: 06/06/1997
  • Issued: 06/23/1998
  • Est. Priority Date: 06/06/1997
  • Status: Expired due to Fees
First Claim
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1. A gas detection system for a wireless communication device, the device having an integral audio speaker, the gas detection system comprising:

  • a device housing having a passageway formed therethrough;

    a gas sensor fixedly attached to an internal surface of said device housing;

    a bellows having first and second sides, the second side fixedly attached to the internal surface of the device housing, said bellows further having first and second ports extending from the bellows second side, the first port for drawing air into said bellows and the second port for directing air out of said bellows toward said gas sensor; and

    at least one rigid interconnect element having first and second ends, the first end attached to the first side of said bellows and the second end attached to a vibrating portion of the audio speaker,wherein vibrations imparted from the vibrating portion of the audio speaker, through said at least one rigid interconnect element, to the bellows first side, effect alternating contraction and expansion of the bellows, resulting in air movement directed toward said gas sensor.

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