"Ear" hearing aid

Details "Ear" hearing aid "Ear" hearing aid

1985-11-05

1987-04-14

Fuller, Benjamin R.

Electrical audio signal processing systems and devices

Sound effects

Reverberators

181130, 181135, 381 686, A61B 702

Patent

active

046571060

ABSTRACT:
A hearing aid adapted to be worn in the ear, comprises a housing receiving a sound transducer and a sound amplifier, the housing being shaped to fit into the ear and having an upper rim, a mounting plate defining a space for holding a battery and a sound volume adjustment control, the mounting plate having a circumferentially extending outer rim, and detachable fastening means connecting the upper housing rim and the outer mounting plate rim.

REFERENCES:
patent: 2325590 (1943-08-01), Carlisle et al.
patent: 3047089 (1962-07-01), Zwislocki
patent: 3345737 (1967-10-01), Gordon
patent: 3598928 (1971-08-01), Hickox
patent: 3964609 (1976-06-01), Perrella
patent: 4303173 (1981-12-01), Nergard
patent: 4471490 (1984-09-01), Bellagiore
patent: 4584437 (1986-04-01), Giannetti

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