Hearing aid with modulated suppressed carrier signal

Details Hearing aid with modulated suppressed carrier signal Hearing aid with modulated suppressed carrier signal

1978-08-04

1980-09-02

Brown, Thomas W.

Modulators

Amplitude modulator

Nonlinear device controlled by modulating signal

332 44, 455109, H04R 2500

Patent

active

042208300

ABSTRACT:
Disclosed hearing aids have circuits that produce a suppressed-carrier modulated signal and they include an electrode to be applied to the head of the user for coupling the suppressed-carrier modulated signal to the user's auditory cortex.

REFERENCES:
patent: 2373569 (1945-04-01), Kannenberg
patent: 3238472 (1966-03-01), Crompton-Couvela
patent: 3393279 (1968-07-01), Flanagan
patent: 3514720 (1970-05-01), Roucache et al.
patent: 3811098 (1974-05-01), Williams
patent: 4052572 (1977-10-01), Schafer

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