In-the-ear hearing aid

Details In-the-ear hearing aid In-the-ear hearing aid

1989-09-25

1990-06-26

Ng, Jin F.

Electrical audio signal processing systems and devices

Sound effects

Reverberators

181130, 181135, H04R 2502

Patent

active

049378767

ABSTRACT:
An in-the-ear hearing aid comprises a first unit (1), which unit comprises a microphone (3), an amplifier (4), controller (6) for adjusting a parameter of the hearing aid, and a battery compartment (5), and a second unit (2) comprising a receiver. The first unit (1) is accommodated in a first space situated at the end of comparatively large cross-section of an earmould (11). The second unit (2) is accommodated in a second space (9) situated at the end (13) of smaller cross-section. The earmold has a cap element (14) which allows for insertion of the second unit (2) into the second space (9) from the end (13) of smaller cross-section.

REFERENCES:
patent: 3345737 (1967-10-01), Gordon
patent: 3496306 (1970-02-01), Pollak
patent: 4539440 (1985-09-01), Sciarra
WO87/07465, "Mass Production Auditory Canal Hearing Aid", Barry Varoba, Dec. 1987.

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