Hearing aid apparatus

Details Hearing aid apparatus Hearing aid apparatus

1984-06-05

1988-02-02

Brown, Thomas W.

Electrical audio signal processing systems and devices

Sound effects

Reverberators

381 687, H04R 2500, H04R 2502

Patent

active

047232935

ABSTRACT:
A hearing aid apparatus has a housing containing components such as a microphone, an amplifier and an earphone,and to which a terminal having contacts for connection to a signal line is applied. The terminal also has contacts for derivation of signals from the microphone so that a conventionally operating hearing aid is achieved which also contains an audio output in addition to an audio input. The hearing aid apparatus is thus particularly suitable for use as a talk/listen set in aural training systems.

REFERENCES:
patent: 2904640 (1959-09-01), Dreher et al.
patent: 3659056 (1972-04-01), Morrison et al.
patent: 3742359 (1973-06-01), Behymer
patent: 3819860 (1974-06-01), Miller
patent: 4137431 (1979-01-01), Pallesen

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