The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 30, 2017
Filed:
Dec. 02, 2015
Applicants:
Tatsuya Ikeda, Tokyo, JP;
Hiroshi Akino, Tokyo, JP;
Inventors:
Tatsuya Ikeda, Tokyo, JP;
Hiroshi Akino, Tokyo, JP;
Assignee:
Kabushiki Kaisha Audio-Technica, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04R 25/00 (2006.01); H04R 19/01 (2006.01); H04R 19/00 (2006.01); H04R 23/00 (2006.01); H04R 31/00 (2006.01); H04R 19/04 (2006.01); H01G 7/02 (2006.01);
U.S. Cl.
CPC ...
H04R 19/016 (2013.01); H04R 19/005 (2013.01); H04R 19/04 (2013.01); H04R 23/006 (2013.01); H04R 31/003 (2013.01); H01G 7/02 (2013.01); H04R 2201/003 (2013.01); H04R 2499/11 (2013.01);
Abstract
A condenser type electroacoustic transducer includes a diaphragm, a fixed electrode having a surface facing the diaphragm, and a dielectric disposed in a partial region on the surface of the fixed electrode.