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. 13, 2008
Filed:
Jun. 27, 2006
Seiji Nomizu, Yamato, JP;
Masao Furuichi, Atsugi, JP;
Shigeru Ohkubo, Tochigi-ken, JP;
Masatoshi Tsuchiya, Kawasaki, JP;
Seiji Nomizu, Yamato, JP;
Masao Furuichi, Atsugi, JP;
Shigeru Ohkubo, Tochigi-ken, JP;
Masatoshi Tsuchiya, Kawasaki, JP;
Nissan Motor Co., Ltd., Yokohama-shi, JP;
Dengensha Manufacturing Company Limited, Kawasaki-shi, JP;
Abstract
A cable monitoring system, which monitors failure of a plurality of cables connecting a power supply and a welding gun, has voltage detection lines connected to arbitrary two points of each of the cables, an insulating transformer a primary side of which is connected to the voltage detection lines of each cable, and a failure detector connected to a secondary side of the insulating transformer and detecting failure of each cable based on voltage on the secondary side of the insulating transformer for each cable.