Telephone handset including directional microphone module

Details Telephone handset including directional microphone module Telephone handset including directional microphone module

1991-08-07

1993-06-01

Ng, Jin F.

Telephonic communications

Terminal

Housing or housing component

379428, 381155, H04R 2500

Patent

active

052167119

ABSTRACT:
A telephone handset favorably fabricated in a compact size and yet providing a good S/N characteristic of the transmitter portion thereof. The telephone handset has a directional microphone module in its transmitter portion. The directional microphone module comprises a directional microphone having a first and a second sound collector provided on the upper side and the under side thereof and a bush formed of an elastic material having its peripheral wall receiving the directional microphone in such a manner that the outer peripheral surface of the directional microphone is tightly fit to the inner surface of the peripheral wall. The telephone handset is formed of a front case and a rear case to be put together. In the interior of the front case, there is defined a microphone module receiving portion by a rib and the inner wall surface thereof and the microphone module is received therein.

REFERENCES:
patent: 4463222 (1984-07-01), Paradowski
patent: 4528426 (1985-07-01), Fatovic et al.
patent: 4845760 (1989-07-01), Awakowicz et al.
patent: 4850016 (1989-07-01), Groves et al.

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