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:
Apr. 14, 2026
Filed:
Feb. 04, 2022
Hitachi Astemo, Ltd., Hitachinaka, JP;
Daisuke Tanaka, Hitachinaka, JP;
Hidetatsu Yamamoto, Hitachinaka, JP;
Hitachi Astemo, Ltd., Hitachinaka, JP;
Abstract
To achieve an electronic module capable of reducing dark current, which is current flowing when the electronic module is turned off, and contributing to prevention of battery wear of a vehicle or the like. Therefore, the electronic module connected to a first electronic module via a communication line includes: a microcomputer; a power supply IC that supplies power to the microcomputer; a power supply control circuit that supplies power from a battery power supply to the power supply IC; a control line connected to the communication line; and a first switch circuit that connects the control line and the power supply control circuit.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile