Condenser microphone

Details Condenser microphone Condenser microphone

2005-05-02

2009-10-06

Chin, Vivian (Department: 2614)

Electrical audio signal processing systems and devices

Circuitry combined with specific type microphone or loudspeaker

With electrostatic microphone

C381S355000, C381S369000, C381S171000, C381S177000, C381S363000

Reexamination Certificate

active

07599505

ABSTRACT:
In a condenser microphone in which a microphone capsule and an audio output section are connected to each other via a microphone cord, strong electromagnetic waves generated by a cellular phone etc. are prevented from being transmitted by the microphone cord and intruding into the audio output section. In a condenser microphone in which a microphone capsule10and an audio output section20, in which a circuit board23including an audio output circuit is housed in a shield case210, are connected to each other via a microphone cord30, of the circuit board23, a terminal231connected to the microphone cord30is arranged on the outside of the shield case210.

REFERENCES:
patent: 4567608 (1986-01-01), Watson et al.
patent: 7330559 (2008-02-01), Akino
patent: 7483542 (2009-01-01), Akino et al.
patent: 2005/0254670 (2005-11-01), Akino

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