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:
May. 26, 2026
Filed:
Dec. 17, 2021
Toyota Jidosha Kabushiki Kaisha, Toyota, JP;
Tomohiro Narematsu, Nisshin, JP;
TOYOTA JIDOSHA KABUSHIKI KAISHA, Toyota, JP;
Abstract
A fault detection device for a driving circuit that includes a first switch provided between an electric load and a power supply section, a second switch provided between the electric load and earth, and a detector that detects a voltage between the first switch and the electric load, the fault detection device including: a memory; and a processor coupled to the memory and being configured to: control the first switch into an on state connecting the electric load with the power supply section or an off state disconnecting the electric load from the power supply section; control the second switch into an on state connecting the electric load with earth or an off state disconnecting the electric load from earth; and determine a fault of the driving circuit based on the on or off state of the first and second switches and a voltage detected by the detector.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile