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In-the-ear hearing aid

  • US 4,634,815 A
  • Filed: 02/19/1985
  • Issued: 01/06/1987
  • Est. Priority Date: 02/21/1984
  • Status: Expired due to Term
First Claim
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1. An in-the-ear hearing aid to be inserted in the auditory canal, of the type having a face plate, a housing adjoining and tapering away from said face plate, a button cell having a sidewall, and a cover hinged to said housing, wherein the improvemnt comprises:

  • said face plate including a central passage,said cover including a recess having a cylindrical inside wall in the side of said cover nearest said housing and an opening in the side of said cover remote from said housing,a pushbutton passing through said opening,a mounting plate disposed on the side of said face plate nearest said housing,a pressure switch disposed substantially in the middle of said central passage of said face plate on the side of said mounting plate nearest said face plate, andmeans for holding said button cell axially displaceable between said pressure switch and said pushbutton in such a way that pressure exerted upon said pushbutton causes said button cell to move toward and rest against said pressure switch, thereby actuating said pressure switch.

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