Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Hiroshi Akino0
Date of Patent
June 3, 2014
Patent Application Number
13404792
Date Filed
February 24, 2012
Patent Citations Received
Patent Primary Examiner
Patent abstract
A unidirectional dynamic microphone includes a grip housing, a microphone unit supported at a first end of the grip housing, a plug assembly attached to a second end of the grip housing and connected to the microphone unit through a lead line, and an air room serving as a part of an acoustic circuit of the microphone unit in the grip housing. The grip housing has a fitting part for the plug assembly and an expanded portion. The plug assembly fitted in the fitting part is fixed within the grip housing by an elastic ring and a pressure ring fitted in the expanded portion. The elastic ring seals a space between the grip housing and the plug assembly.
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