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:
May. 26, 2020
Filed:
Aug. 31, 2018
Applicant:
Rohm Co., Ltd., Kyoto-shi, Kyoto, JP;
Inventors:
Kenichi Moritoki, Kyoto, JP;
Mitsuaki Sakamoto, Kyoto, JP;
Assignee:
ROHM CO., LTD., Kyoto, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04R 3/00 (2006.01); H04R 3/08 (2006.01); H04R 29/00 (2006.01);
U.S. Cl.
CPC ...
H04R 3/007 (2013.01); H04R 3/08 (2013.01); H04R 29/001 (2013.01); H04R 2499/13 (2013.01);
Abstract
An audio circuit drives a speaker. A DSP corrects an audio signal Saccording to the state of the speaker. An amplifier drives the speaker according to a corrected audio signal S