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:
Jun. 29, 2021
Filed:
Jun. 21, 2019
Applicant:
Denso Electronics Corporation, Anjo, JP;
Inventors:
Susumu Miyata, Anjo, JP;
Koshiro Hayakawa, Anjo, JP;
Assignee:
DENSO ELECTRONICS CORPORATION, Anjo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04R 7/12 (2006.01); H04R 7/18 (2006.01); H04R 9/02 (2006.01); H04R 9/04 (2006.01); H04R 9/06 (2006.01); H04R 1/00 (2006.01); H04R 1/02 (2006.01); B60Q 5/00 (2006.01);
U.S. Cl.
CPC ...
H04R 7/12 (2013.01); H04R 1/00 (2013.01); H04R 1/02 (2013.01); H04R 7/18 (2013.01); H04R 9/025 (2013.01); H04R 9/04 (2013.01); H04R 9/06 (2013.01); B60Q 5/00 (2013.01); H04R 2400/11 (2013.01);
Abstract
A sound generator that generates sound by vibrating a diaphragm includes: a housing including a first space opened to the atmosphere by a sound emission hole and a second space separated from the first space by the diaphragm; and a shield plate disposed in the first space to face the diaphragm while being separated from the diaphragm. When the diaphragm is displaced toward the first space by a pressure difference between the first space and the second space, the diaphragm comes in contact with the shield plate to limit deformation of the diaphragm.