Patent · US Expired

Hearing aid device incorporating signal processing techniques

US5500902A · kind A · utility

162Cited by
60References
12Claims
0Family size

Inventors

Key dates

Filing dateJul 8, 1994
Grant dateMar 19, 1996
Priority date
Expiry dateJul 8, 2014

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04R25/453
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

A hearing compensation system for the hearing impaired comprises an input transducer for converting acoustical information at an input to electrical signals at an output, an output transducer for converting electrical signals at an input to acoustical information at an output, a plurality of bandpass filters, each bandpass filter having an input connected to the output of said input transducer, a plurality of AGC circuits, each individual AGC circuit associated with a different one of the bandpass filters and having an input connected to the output of its associated bandpass filter and an output connected to the input of the output transducer.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.