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Camera including means for acquiring bi-directional sound

  • US 6,243,138 B1
  • Filed: 10/22/1998
  • Issued: 06/05/2001
  • Est. Priority Date: 08/04/1995
  • Status: Expired due to Fees
First Claim
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1. A camera having sound detection means, comprising:

  • a camera body having a front surface and a back surface;

    microphone means mounted within said camera body, said microphone means comprising a forward surface and a rearward surface;

    a front aperture extending through at least a portion of said camera body forming a front port on said front surface for receiving sound waves and terminating at said forward surface of said microphone means; and

    a rear aperture extending through at least a portion of said camera body forming a rear port on said back surface for receiving sound waves and terminating at said rearward surface of said microphone means;

    wherein the front and rear apertures are positioned so that the camera body increases directionality of the microphone by means extending the acoustic path to an opposite surface of the microphone means for sound waves arriving toward the forward or rearward surface and on-axis to the maximum sensitivity axis of the microphone means.

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