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:
Nov. 01, 2022
Filed:
Sep. 19, 2019
Applicant:
Hitachi Astemo, Ltd., Hitachinaka, JP;
Inventors:
Yuta Mifune, Hitachinaka, JP;
Koichi Tsukio, Hitachinaka, JP;
Assignee:
Hitachi Astemo, Ltd., Hitachinaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02D 41/20 (2006.01); F02D 41/04 (2006.01); B60R 16/03 (2006.01); F02M 51/00 (2006.01); H02H 9/00 (2006.01); H02M 3/156 (2006.01); H03K 17/687 (2006.01);
U.S. Cl.
CPC ...
F02D 41/042 (2013.01); B60R 16/03 (2013.01); F02D 41/20 (2013.01); F02M 51/00 (2013.01); H02H 9/001 (2013.01); H02M 3/156 (2013.01); H03K 17/687 (2013.01); F02D 2041/2003 (2013.01); F02D 2041/2006 (2013.01); F02D 2041/2024 (2013.01); F02D 2041/2082 (2013.01);
Abstract
A drive circuit is controlled when power is interrupted. When power is turned off, a main power supply is switched to a sub-power supply, and a residual charge of a step-up circuit is lowered to a drive voltage of a drive circuit using a step-down circuit is used as the sub-power supply.
Mifune, Yuta. (2022). Electronic control unit (U.S. Patent No. 11486324). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/11486324
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile