In-the ear hearing aid device with a vent

Details In-the ear hearing aid device with a vent In-the ear hearing aid device with a vent

2011-07-19

2011-07-19

Ni, Suhan (Department: 2614)

Electrical audio signal processing systems and devices

Hearing aids, electrical

Specified casing or housing

C381S324000, C381S325000

Reexamination Certificate

active

07983434

ABSTRACT:
With a hearing aid device barometric pressure equalization is intended to be achieved in a simple and economical manner in a sound canal between an earpiece and a cerumen protection system with a gas-tight membrane. To this end a pressure equalization canal is proposed, which opens into the sound canal. The pressure equalization canal preferably connects the sound canal to a vent. It can be produced in a simple manner when manufacturing the housing of the hearing aid device using a computer-aided manufacturing method.

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patent: 0 312 517 (1989-04-01), None
patent: WO 00/03561 (2000-01-01), None

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