Electrical audio signal processing systems and devices – Electro-acoustic audio transducer – Housed microphone
Reexamination Certificate
2006-05-15
2010-06-15
Ensey, Brian (Department: 2614)
Electrical audio signal processing systems and devices
Electro-acoustic audio transducer
Housed microphone
C381S365000
Reexamination Certificate
active
07738670
ABSTRACT:
A wind protection device for a microphone, the wind protection device including a body portion having a raised surface, a lower surface and a front face. The raised surface has a flow separation edge. The lower surface is offset from the raised surface the front face is bordered at a first edge by the flow separation edge and bordered at a second edge by the lower surface. The lower surface includes a recessed microphone holding area. Airflow separates from one of the raised surface or the flow separation edge, and the separated airflow is directed as one of recirculating airflow or a major airflow. The recirculating airflow is directed into a recirculation zone, and the major airflow is directed over a microphone zone and the recirculation zone to reduce the level of pressure fluctuations experienced by the microphone located in the recessed microphone holding area.
REFERENCES:
patent: 6882734 (2005-04-01), Watson et al.
U.S. Appl. No. 11/345,967, filed Feb. 2, 2006, Kargus.
U.S. Appl. No. 10/850,303, Jul. 16, 2004, Kargus et al.
AKG Acoustics, A Harman International Company, Q500 Series, Q501T WS, Amplified Version With Improved Wind Screen, V2. May 1, 2004.
Ensey Brian
General Motors LLC
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