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:
Apr. 21, 2025
Filed:
Jun. 29, 2020
Applicant:
Goertekmicroelectronics Co. Ltd., Qingdao, CN;
Inventors:
Assignee:
GoertekMicroelectronics Co. Ltd., Shandong, CN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04R 19/04 (2005.12); H04R 1/02 (2005.12); H04R 1/04 (2005.12); H04R 1/24 (2005.12); H04R 7/06 (2005.12); H04R 3/00 (2005.12);
U.S. Cl.
CPC ...
H04R 19/04 (2012.12); H04R 1/028 (2012.12); H04R 1/04 (2012.12); H04R 1/245 (2012.12); H04R 7/06 (2012.12); H04R 3/00 (2012.12); H04R 2201/003 (2012.12); H04R 2499/11 (2012.12);
Abstract
Disclosed in embodiments of the present disclosure are a capacitive MEMS microphone, a microphone unit and an electronic device. The capacitive MEMS microphone includes: a back electrode plate; a diaphragm; and a spacer for separating the back electrode plate from the diaphragm, wherein in a state where an operating bias is applied, a ratio of a static effective displacement of the diaphragm relative to a flat position to a thickness of the diaphragm is greater than or equal to 0.5.