Electrical audio signal processing systems and devices – Electro-acoustic audio transducer – Housed microphone
Reexamination Certificate
2007-11-20
2007-11-20
Kuntz, Curtis (Department: 2614)
Electrical audio signal processing systems and devices
Electro-acoustic audio transducer
Housed microphone
C381S369000, C379S433030
Reexamination Certificate
active
10746509
ABSTRACT:
The present invention provides a microphone apparatus. The microphone apparatus includes a housing with an outer surface and an interior chamber. A microphone element is disposed within the interior chamber. The outer surface includes a first substantially planar surface having at least one aperture leading to the interior chamber and a second substantially planar surface intersecting at an angle with the first planar surface.
REFERENCES:
patent: 3715525 (1973-02-01), Fielding
Doss Robert L.
Lashley David G.
Worley Billy J.
Chuang Thomas
Kuntz Curtis
Nguyen Tuan Duc
Plantronics Inc.
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