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:
Jun. 13, 2017
Filed:
Sep. 10, 2014
Kawasaki Jukogyo Kabushiki Kaisha, Kobe-shi, Hyogo, JP;
Tsuyoshi Tagashira, Kakogawa, JP;
Kouji Munetou, Kobe, JP;
KAWASAKI JUKOGYO KABUSHIKI KAISHA, Kobe, JP;
Abstract
A plurality of motors, which drive plurality of axes of multi-axis robot, respectively; plurality of power converters, which control operation of plurality of motors, respectively, by supplying and controlling electric power to plurality of motors; drive circuits, each of which drives first semiconductor switching elements included in a corresponding one of power converters by outputting drive signals to control terminals of first semiconductor switching elements in accordance with control signals for controlling operation of the motors; shut-off circuit provided at non-end position in an electrical path, through which first operating power is supplied to drive circuits; and shut-off control circuit, which outputs shut-off signals to shut-off circuit. The shut-off circuit includes second semiconductor switching elements, which are inserted in an electrical path in series to each other, second semiconductor switching elements turning off in accordance with shut-off signals, respectively, to shut off the electrical path.