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. 23, 2020
Filed:
Apr. 15, 2019
Applicant:
Yamaha Corporation, Hamamatsu-shi, JP;
Inventor:
Jun Ishii, Hamamatsu, JP;
Assignee:
YAMAHA CORPORATION, Hamamatsu-Shi, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02J 7/00 (2006.01); H03F 3/181 (2006.01); H04R 3/00 (2006.01); H02J 1/00 (2006.01); H02J 7/34 (2006.01);
U.S. Cl.
CPC ...
H02J 7/0068 (2013.01); H02J 1/00 (2013.01); H02J 7/00 (2013.01); H03F 3/181 (2013.01); H04R 3/00 (2013.01); H02J 7/345 (2013.01); H03F 2200/03 (2013.01);
Abstract
A circuit includes a signal processor configured to perform a signal processing, an amplifier configured to amplify a signal output from the signal processor, a first power supply path connected from a battery to the signal processor, a second power supply path connected from the battery to the amplifier, a capacitor connected to the second power supply path and that assists power supplied to the amplifier, and a power limiter connected to the second power supply path and that limits input power supplied from the battery.