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. 23, 2021
Filed:
Oct. 25, 2017
Applicant:
Goertek Inc., Shandong, CN;
Inventors:
Mengjin Cai, WeiFang, CN;
Junkai Zhan, WeinFang, CN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04R 19/04 (2006.01); H04R 7/04 (2006.01); H04R 7/16 (2006.01);
U.S. Cl.
CPC ...
H04R 19/04 (2013.01); H04R 7/04 (2013.01); H04R 7/16 (2013.01); H04R 2201/003 (2013.01);
Abstract
The present invention provides a condenser microphone, comprising a substrate, and a back plate and a vibrating diaphragm which are arranged on the substrate; the back plate is arranged on the upper side and/or the lower side of the vibrating diaphragm; and the vibrating diaphragm is provided with a protruding layer or a corrugated membrane structure layer. With the above invention, the area of the vibrating diaphragm and the capacitance at the lateral side of the condenser microphone can be increased, so as to achieve the effect of improving the sensitivity of the condenser microphone.