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:
Jul. 28, 2026

Filed:

Aug. 13, 2024
Applicant:

Proterial, Ltd., Tokyo, JP;

Inventors:

Katsutoshi Nakatani, Tokyo, JP;

Izumi Fukasaku, Tokyo, JP;

Takahiro Sugiyama, Tokyo, JP;

Assignee:

Proterial, Ltd., Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01R 31/54 (2020.01); G01R 19/10 (2006.01); G01R 31/58 (2020.01);
U.S. Cl.
CPC ...
G01R 31/54 (2020.01); G01R 19/10 (2013.01); G01R 31/58 (2020.01);
Abstract

A disconnection detection device that detects strand disconnection in a plurality of insulated wires each of which includes a conductor including a plurality of strands is provided with a branch portion including a common conducting path and a plurality of branched conducting paths branching out from an end portion of the common conducting path, each of the branched conducting paths being electrically connected, at an end portion, to one end of the conductor of the corresponding insulated wire, a current ratio detection unit capable of detecting a ratio of currents flowing through the plurality of branched conducting paths, and a disconnection detection processing unit that detects the strand disconnection in the plurality of insulated wires based on a detection result of the current ratio detection unit.


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