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:
Feb. 19, 2013
Filed:
Nov. 27, 2009
Applicants:
Zhi-jiang Wu, Shenzhen, CN;
Yong-ze Su, Shenzhen, CN;
Inventors:
Zhi-Jiang Wu, Shenzhen, CN;
Yong-Ze Su, Shenzhen, CN;
Assignees:
AAC Acoustic Technologies (Shenzhen) Co. Ltd., Shenzhen, CN;
American Audio Components Inc., La Verne, CA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04R 3/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A silicon based capacitive microphone includes a first printed circuit board, a second printed circuit board far away from the first printed circuit board, a transducer electrically mounted on the first printed circuit board, a controlling chip electrically mounted on the second printed circuit board, a connecting member located between the first and second printed circuit boards.