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.

Date of Patent:
Jan. 20, 2026

Filed:

Dec. 02, 2021
Applicants:

Autonetworks Technologies, Ltd., Yokkaichi, JP;

Sumitomo Wiring Systems, Ltd., Yokkaichi, JP;

Sumitomo Electric Industries, Ltd., Osaka, JP;

Inventor:

Akira Kanazawa, Yokkaichi, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02H 3/20 (2006.01);
U.S. Cl.
CPC ...
H02H 3/20 (2013.01);
Abstract

A relay device is provided with a first terminal electrically connected to a first target, a second terminal electrically connected to a second target, a relay configured to switch on/off of an electrical connection between the first terminal and the second terminal, and a control unit configured to perform ON/OFF control of the relay. The control unit executes, by hardware, first OFF control for comparing a first voltage of the first terminal with a first threshold voltage, and turning off the relay based on a result of the comparison. The control unit executes, by software, second OFF control for comparing the first voltage with a second threshold voltage higher than the first threshold voltage, and turning off the relay based on a result of the comparison.


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