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:
Aug. 15, 2023
Filed:
Feb. 02, 2021
Applicant:
Denso Corporation, Kariya, JP;
Inventor:
Yosuke Watanabe, Kariya, JP;
Assignee:
DENSO CORPORATION, Kariya, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H03K 17/0812 (2006.01); H02M 1/08 (2006.01); H02M 7/5387 (2007.01); H02P 27/08 (2006.01);
U.S. Cl.
CPC ...
H03K 17/0812 (2013.01); H02M 1/08 (2013.01); H02M 7/53871 (2013.01); H02P 27/08 (2013.01);
Abstract
A drive circuit includes a plurality of first control wirings, a plurality of first balance resistors, a first common wiring, a first switch, a plurality of second control wirings, a plurality of second balance resistors, a second common wiring, a second switch, a sensor configured to detect a fault in controlled switches, and a controller configured to control opening and closing of the first switch when the sensor detects no fault, and control opening and closing of the second switch when the sensor detects the fault.