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:
Mar. 23, 2021

Filed:

Aug. 07, 2018
Applicant:

Kyocera Corporation, Kyoto, JP;

Inventor:

Shusuke Nakayama, Yokohama, JP;

Assignee:

KYOCERA CORPORATION, Kyoto, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01H 47/00 (2006.01);
U.S. Cl.
CPC ...
H01H 47/005 (2013.01); H01H 2047/003 (2013.01);
Abstract

A controllerperforms a first welding check and a second welding check in any order, and then performs a third welding check before a fourth welding check and also performs a fifth welding check before a sixth welding check. The first welding check is performed by turning on a first relay. The second welding check is performed by turning on a second relay. The third welding check is performed by turning on an in-phase relay, a third relay, and a fourth relay. The fourth welding check is performed by turning on an out-of-phase relay, the third relay, and the fourth relay. The fifth welding check is performed by turning on the in-phase relay, a fifth relay, and a sixth relay. The sixth welding check is performed by turning on the out-of-phase relay, the fifth relay, and the sixth relay


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