Microphone system for a communication device

Details Microphone system for a communication device Microphone system for a communication device

2007-06-19

2007-06-19

Le, Huyen (Department: 2615)

Electrical audio signal processing systems and devices

Electro-acoustic audio transducer

Microphone capsule only

C381S356000, C381S174000

Reexamination Certificate

active

10675437

ABSTRACT:
A microphone system (100) includes a MEMS microphone (102) and at least one audio port (110) accessing the rear volume portion (106) of the MEMS microphone providing directional functionality, preferably through a MEMS switch (112).

REFERENCES:
patent: 3835263 (1974-09-01), Killion
patent: 3875349 (1975-04-01), Ruegg
patent: 4142072 (1979-02-01), Berland
patent: 6421444 (2002-07-01), Van Schyndel
Voice Technology, “Surface Mount Microphone”, Wireless Design & Development Apr. 2002, pp. 30-31. www.wirelessdesignmag.com.
The Hearing Review, “A Primer on a Dual Microphone Directional System”, by Brian Csermak, Jan. 2000.

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