Flush-porting method and device for reduction of wind-induced no

Details Flush-porting method and device for reduction of wind-induced no Flush-porting method and device for reduction of wind-induced no

1997-03-14

1999-05-18

Le, Huyen

Electrical audio signal processing systems and devices

Electro-acoustic audio transducer

Housed microphone

381355, 381344, H04R25/00

Patent

active

059058030

ABSTRACT:
The present invention provides a method (600) and device (400) for minimizing wind-induced noise in a microphone. The device includes: a housing (412) having a recessed area shaped to accommodate a microphone transducer (410); the microphone transducer (410), situated within the recessed area such that a thin film situated over the microphone transducer is flush with/overlaying a top of the recessed area and affixed at least to the sides of the recessed area, for receiving sound; and the thin film (402) has at least one aperture (404, . . . 406) for allowing sound to impinge on the microphone transducer (410), and has a minimal thickness that maintains structural integrity.

REFERENCES:
patent: 3947646 (1976-03-01), Saito
patent: 4920564 (1990-04-01), Allkins
patent: 5263093 (1993-11-01), Nakamura et al.
patent: 5442713 (1995-08-01), Patel et al.

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