US 7,558,397 B2
Condenser microphone
Hiroshi Akino, Machida (Japan)
Assigned to Kabushiki Kaisha Audio-Technica, Machida-shi, Tokyo (Japan)
Filed on Oct. 25, 2005, as Appl. No. 11/256,997.
Claims priority of application No. 2004-311800 (JP), filed on Oct. 27, 2004.
Prior Publication US 2006/0088169 A1, Apr. 27, 2006
Int. Cl. H04R 25/00 (2006.01)
U.S. Cl. 381—369  [381/355; 381/368] 3 Claims
OG exemplary drawing
 
1. A condenser microphone which includes an external cylinder and an internal cylinder, both of which are made of a metal, the internal cylinder being arranged in the external cylinder via shock mount members having elasticity, and the internal cylinder containing a substrate including an audio output circuit of a condenser microphone unit, characterized in that
a gasket formed by covering the surface of a core formed of an elastic material with a conductive material is used as the shock mount members, by which the external cylinder and the internal cylinder are connected electrically to each other via the gasket.