Unidirectional dynamic microphone

Details Unidirectional dynamic microphone Unidirectional dynamic microphone

2005-03-17

2009-10-20

Ni, Suhan (Department: 2614)

Electrical audio signal processing systems and devices

Electro-acoustic audio transducer

Housed microphone

C381S355000, C381S366000

Reexamination Certificate

active

07606385

ABSTRACT:
There is provided a unidirectional dynamic microphone provided with an air chamber for a microphone unit in a grip housing thereof, in which even if an external force is applied to the grip housing, the volume of the air chamber does not change, and also the assembling/disassembling of the microphone can be performed easily. In the unidirectional dynamic microphone in which the grip housing100formed in a cylindrical shape is provided; on one end side of the grip housing100, the microphone unit20is supported, and on the other end side thereof, an output connector30is mounted; and an air chamber201included as a part of an audio circuit of the microphone unit20is provided in the grip housing100, a cylindrical cavity sleeve200is provided which is supported in the grip housing100via shock mount members210and231exhibiting rubber elasticity and the interior of which is hollow to form the air chamber201for the microphone unit20.

REFERENCES:
patent: 2848561 (1958-08-01), Gorike
patent: 3651286 (1972-03-01), Gorike et al.
patent: 3989905 (1976-11-01), Anderson et al.
patent: 6091828 (2000-07-01), Akino et al.

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