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:
Dec. 11, 2018
Filed:
Aug. 21, 2017
Applicant:
Seiko Epson Corporation, Tokyo, JP;
Inventors:
Sachiyuki Abe, Hara-mura, JP;
Nobuyuki Oikawa, Chino, JP;
Assignee:
SEIKO EPSON CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G05F 1/573 (2006.01); G09G 3/36 (2006.01);
U.S. Cl.
CPC ...
G09G 3/3648 (2013.01); G09G 2310/0289 (2013.01); G09G 2330/02 (2013.01); G09G 2330/028 (2013.01);
Abstract
This semiconductor device includes a first regulator that stabilizes an input voltage to generate a stabilized voltage; a voltage boosting circuit that boosts the stabilized voltage to generate a boosted voltage; a second regulator that stabilizes the boosted voltage to generate a first power supply voltage; and a third regulator that is connected to the second regulator in parallel, and that stabilizes the boosted voltage to generate a second power supply voltage.