Device for implanting a microphone and a pressure...

Details Device for implanting a microphone and a pressure... Device for implanting a microphone and a pressure...

2005-03-08

2005-03-08

Ni, Suhan (Department: 2643)

Electrical audio signal processing systems and devices

Electro-acoustic audio transducer

Having protective or sheilding feature

C381S333000, C381S334000, C379S437000, C379S440000

Reexamination Certificate

active

06865278

ABSTRACT:
The device for implanting a microphone (1) and at least one pressure compensating member (2) in a telephone watch consists in placing the microphone and the compensating member close together. A membrane (5) covers the microphone (1) and a disc (6) forms the compensating member (2). The membrane (5) and the disc (6) open at least partially into a single chamber (7) opening onto the outside via an opening (8) in the form of a slot. A liquid (arrow A) can be injected through this slot to rid the chamber, the membrane and the disc of foreign bodies which could accumulate therein.

REFERENCES:
patent: 3987258 (1976-10-01), Tsutsui et al.
patent: 6018585 (2000-01-01), Akino et al.
patent: 6512834 (2003-01-01), Banter et al.
patent: 626 225 (1981-11-01), None
patent: 899 634 (1999-03-01), None
patent: 899 635 (1999-03-01), None
patent: 9521512 (1995-08-01), None

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