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:
Jan. 11, 2022
Filed:
Sep. 07, 2020
Applicant:
Merry Electronics (Shenzhen) Co., Ltd., Guangdong, CN;
Inventors:
Assignee:
MERRY ELECTRONICS (SHENZHEN) CO., LTD., Guangdong, CN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04R 19/04 (2006.01);
U.S. Cl.
CPC ...
H04R 19/04 (2013.01); H04R 2201/003 (2013.01);
Abstract
A microphone structure includes a backplate, a diaphragm, a sidewall and at least one airflow retaining wall. The backplate has a plurality of through holes. The diaphragm has at least one slot. The sidewall is located between the backplate and the diaphragm such that the sidewall, the diaphragm and the backplate collectively define a chamber. The at least one airflow retaining wall protrudes from the backplate and is located within the chamber. The airflow retaining wall is positioned between the through holes and the slot, and has an uneven width.