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:
Aug. 14, 2012
Filed:
Apr. 13, 2009
Applicant:
Fang-ching Lee, Taoyuan County, TW;
Inventor:
Fang-Ching Lee, Taoyuan County, TW;
Assignee:
HTC Corporation, Taoyuan, TW;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04R 25/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
An electro-acoustic transducer is disclosed. The electro-acoustic transducer includes an electret diaphragm, an orifice plate and a plurality of dividing structures. The dividing structures, disposed between the electret diaphragm and the orifice plate, are cross-shaped. Each of the dividing structures includes two extending portions intersecting with each other.