Electrical audio signal processing systems and devices – Electro-acoustic audio transducer – Housed microphone
Reexamination Certificate
2005-06-01
2009-02-24
Kuntz, Curtis (Department: 2614)
Electrical audio signal processing systems and devices
Electro-acoustic audio transducer
Housed microphone
C381S355000, C381S369000, C381S189000
Reexamination Certificate
active
07496208
ABSTRACT:
A pop reduction filter can be properly replaced with a simple operation according to the use of a microphone. A wind shield including a shield body20made of an open-cell foam with a microphone insertion hole30, the wind shield being directly put on a microphone M through the microphone insertion hole30, the wind shield including a disk-like pop filter40detachably housed in the microphone insertion hole30so as to be orthogonal to the 0-degree direction sound pickup axis of the microphone M, the pop filter40being made of an open-cell foam different in foam density from the open-cell foam of the shield body20.
REFERENCES:
patent: 3154171 (1964-10-01), Knutson et al.
patent: 3548121 (1970-12-01), Wolf et al.
patent: 4975966 (1990-12-01), Sapiejewski
patent: 5444790 (1995-08-01), Kogen
patent: 6935458 (2005-08-01), Owens
Kabushiki Kaisha Audio-Technica
Kanesaka Manabu
Kuntz Curtis
Pritchard Jasmine
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