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Ear canal electrode

  • US 4,741,344 A
  • Filed: 11/17/1986
  • Issued: 05/03/1988
  • Est. Priority Date: 09/27/1982
  • Status: Expired due to Term
First Claim
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1. A non-invasive external ear canal electrode comprising a tubular electrode means of electro-conductive material for conducting electrical signals picked up from the ear canal surface and for transmitting a sound stimulus to an ear canal, said electrode means having a proximal end and a distal end, the distal end having mounted thereon an electro-conductive, resilient, annular plastic foam means through which the electrode means protrudes for contacting the skin surface of the ear canal and picking up and conducting electrical signals therefrom.

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