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Ear microphone

  • US 4,588,867 A
  • Filed: 09/29/1982
  • Issued: 05/13/1986
  • Est. Priority Date: 04/27/1982
  • Status: Expired due to Fees
First Claim
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1. An ear microphone comprising:

  • a pickup piece of rigid material having a first portion configured for mating with a human external auditory canal;

    means for converting bone-conducted voice vibrations from said auditory canal into electrical signals, said converting means being installed within the pickup piece;

    resilient means attached to a second portion of said pickup piece, said resilient means having a resiliency greater than said pickup piece and a mass less than said pickup piece;

    a rigid support body having a mass greater than and resiliency less than said resilient means and attached to said resilient means for supporting the pickup piece and the resilient means and adapted to extend outside the human external auditory canal while in use whereby the pickup piece, the resilient means, and the support body are arranged in a sandwich structure for reducing noise generated due to external vibrations on the ear microphone; and

    said converting means having a converter lead wire means extending through the pickup piece, the resilient means and the support body for signal processing purposes.

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