In ear hearing aid

Details In ear hearing aid In ear hearing aid

1997-09-08

1998-08-04

Le, Huyen

Electrical audio signal processing systems and devices

Sound effects

Reverberators

381 69, 381 692, H04R 2500

Patent

active

057906726

ABSTRACT:
An in-ear hearing aid device including a cup fitted into the auditory canal, and having an earphone, an amplifier, and a microphone arranged therein, the device further including a battery chamber, an adjuster and a front plate, the front plate being mounted on a locking plate firmly connected to the cup, and being lockable and rotatable around the axis of rotation revolving on the locking plate that runs vertical to the locking plate, the front plate having a closed outer surface that is only interrupted by a sound inlet opening.

REFERENCES:
patent: 4634815 (1987-01-01), Marquis
patent: 4739512 (1988-04-01), Hartl et al.

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