In-the-ear hearing aid

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

1984-07-09

1985-10-29

Rubinson, Gene Z.

Electrical audio signal processing systems and devices

Hearing aids, electrical

Specified casing or housing

381 69, H04R 2502

Patent

active

045502277

ABSTRACT:
A hearing aid which can be worn in the ear concha and which contains a microphone, an amplifier, an earphone, a battery and a connection to an ear adapter. All components are mounted in a flat, cylindrical housing (1), whose cover (2) can be rotated around a hollow shaft (6) which acts as the sound inlet channel (4), actuates the on/off switch (8, 9) and carries on its inner side at least one wiper (11) which, in contact with at least one resistive strip (10), acts as a volume control.

REFERENCES:
patent: 3684830 (1972-08-01), MacIagan et al.
patent: 4471490 (1984-09-01), Bellafiore

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