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:
Sep. 23, 2025
Filed:
Aug. 24, 2023
Toyota Jidosha Kabushiki Kaisha, Toyota, JP;
Shu Nakayama, Toyota, JP;
TOYOTA JIDOSHA KABUSHIKI KAISHA, Toyota, JP;
Abstract
A control device for an in-vehicle power supply system, comprising: a main power supply that supplies electric power to a load mounted on a vehicle; a redundant power supply that includes a capacitor for storing electric power and supplies electric power from the capacitor to the load when the main power supply fails; and a relay that switches the power supply source to the load to either the main power supply or the redundant power supply, wherein after the ignition of the vehicle is turned off, the discharge process of the capacitor is started, and the fixation prevention process of the relay using the electric power of the capacitor is executed during the discharging process of the capacitor.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile