Sound pickup apparatus and conference telephone

Details Sound pickup apparatus and conference telephone Sound pickup apparatus and conference telephone

2009-04-16

2011-11-08

Goins, Davetta W (Department: 2614)

Electrical audio signal processing systems and devices

Directive circuits for microphones

C381S122000

Reexamination Certificate

active

08054991

ABSTRACT:
A sound pickup apparatus includes a plurality of microphones, and a controller that receives signals from the plurality of microphones. When the controller detects a failure in one of the plurality of microphones based on the signals received from the plurality of microphones, the controller restricts a signal from at least one remaining non-failure microphone.

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English language Abstract of JP 3-293846, Dec. 25, 1991.

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