Microphone array with electromagnetic interference shielding...

Details Microphone array with electromagnetic interference shielding... Microphone array with electromagnetic interference shielding...

2006-12-19

2010-06-01

Kuntz, Curtis (Department: 2614)

Electrical audio signal processing systems and devices

Electro-acoustic audio transducer

Having protective or sheilding feature

C381S174000, C381S369000

Reexamination Certificate

active

07729500

ABSTRACT:
A microphone array comprises a circuit board, a first microphone, and a second microphone. The circuit board comprises a first layer, a third layer, and a second layer sandwiched between the first and third layers. The first layer comprises a first shielding part with a fixed electric potential. The third layer comprises a second shielding part with the fixed electric potential. The second layer comprises an electrically conductive part running between the first and second shielding parts. The first microphone is attached to the first layer of the circuit board. The second microphone is attached to the first layer of the circuit board and electrically connected to the first microphone through the electrically conductive part of the second layer of the circuit board.

REFERENCES:
patent: 2005/0018864 (2005-01-01), Minervini
PCT International Search Report, Apr. 4, 2008.

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