Microphone cover

Details Microphone cover Microphone cover

2007-10-16

2007-10-16

Le, Huyen (Department: 2615)

Electrical audio signal processing systems and devices

Hearing aids, electrical

Specified casing or housing

C381S324000

Reexamination Certificate

active

10775644

ABSTRACT:
The inventive microphone cover for hearing devices for at least partially covering openings (6) arranged at the outside of the hearing device comprises a ring (2) with racks (4) overdrawing the opening of the ring (2). The outer diameter of the ring (2) thereby is equivalent with the inner diameter of the corresponding opening (6) of the hearing device such as the ring (2) is at least partly insertable within the opening (6). A stop (11) is provided advantageously within the opening (6) at a desired depth (t) to define the exact insertion position of the microphone cover (1).

REFERENCES:
patent: 4972488 (1990-11-01), Weiss et al.
patent: 6512834 (2003-01-01), Banter et al.
patent: 6795562 (2004-09-01), Gunnersen et al.
patent: 6932187 (2005-08-01), Banter et al.

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