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Electronic device forming a programmable miniature hearing aid, in particular of the intraductal type

  • US 5,402,494 A
  • Filed: 06/24/1993
  • Issued: 03/28/1995
  • Est. Priority Date: 11/23/1990
  • Status: Expired due to Fees
First Claim
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1. An electronic, miniature programmable hearing aid of the intraductal type, comprising a microphone and filtering and amplification means associated with a battery powered sound reproduction transducer, wherein(a) said filtering and amplification means has at least one integrated circuit, comprising at least one oscillator associated with at least one d.c. voltage step-up converter;

  • (b) said filtering and amplification means is powered by a miniature low voltage battery; and

    (c) said amplification means is powered by said miniature low voltage battery and is in a single integrated circuit provided with external decoupling capacitors wherein said hearing aid is introductal and programmable in frequency response.

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