Electrical audio signal processing systems and devices – Having microphone
Reexamination Certificate
2007-07-17
2007-07-17
Chin, Vivian (Department: 2615)
Electrical audio signal processing systems and devices
Having microphone
Reexamination Certificate
active
11099096
ABSTRACT:
A microphone assembly generally for hearing aid and communications applications is disclosed. The microphone assembly operates in both directional and non-directional or omni-directional modes. The microphone assembly has front and rear sound inlet tubes, and an actuator switch that may be moved between a first position in which the rear tube is plugged, defining the omni-directional mode, and a second position in which the rear tube is unplugged, defining the directional mode. Circuitry senses the position of the actuator switch and selects a microphone output based on the position sensed.
REFERENCES:
patent: 3835263 (1974-09-01), Killion
patent: 3836732 (1974-09-01), Johanson et al.
patent: 3875349 (1975-04-01), Ruegg
patent: 3975599 (1976-08-01), Johanson
patent: 4051330 (1977-09-01), Cole
patent: 4142072 (1979-02-01), Berland
patent: 5341433 (1994-08-01), Meyer et al.
patent: 5524056 (1996-06-01), Killion et al.
patent: 5850665 (1998-12-01), Bousset
patent: 5933510 (1999-08-01), Bryant et al.
patent: 6101258 (2000-08-01), Killion et al.
patent: 6154546 (2000-11-01), Uvacek
patent: 6389142 (2002-05-01), Hagen et al.
patent: 6876749 (2005-04-01), Killion et al.
patent: 2003/0156727 (2003-08-01), Vonlanthen
Carlson Elmer V
Drambarean Viorel
Killion Mead C
Schulein Robert B
Chin Vivian
Etymotic Research Inc.
Lao Lun-See
McAndrews Held & Malloy Ltd.
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