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:
Jul. 11, 2023
Filed:
Oct. 05, 2021
Applicant:
Hosiden Corporation, Osaka, JP;
Inventors:
Akihiro Tanaka, Osaka, JP;
Ryo Inoue, Osaka, JP;
Assignee:
HOSIDEN CORPORATION, Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04R 1/32 (2006.01); H04R 1/02 (2006.01);
U.S. Cl.
CPC ...
H04R 1/323 (2013.01); H04R 1/021 (2013.01); H04R 2217/03 (2013.01);
Abstract
An ultrasonic speaker comprises a case that has an opened top surface and includes a plurality of protrusions protruding inward on an inner side surface of the case, a piezoelectric element fixed to a bottom surface in the case, and a substrate that is inserted in the case and placed on upper surfaces of the plurality of protrusions.