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:
Jul. 23, 2024
Filed:
Mar. 30, 2018
Hitachi, Ltd., Tokyo, JP;
Ryoji Nakagawa, Tokyo, JP;
Hisashi Endou, Tokyo, JP;
Hiroshi Yoshikawa, Tokyo, JP;
Toshihiro Yamada, Tokyo, JP;
Nobuhiro Kakeno, Tokyo, JP;
Hideya Isaka, Tokyo, JP;
HITACHI, LTD., Tokyo, JP;
Abstract
Provided is a welding management system that appropriately manages welding. The welding management system () includes a plurality of local magnetic sensors (to) provided around a target joining position (K) and a correction magnetic sensor () curved to surround the target joining position (K). A data processing unit () generates information of a joining state of the target joining position (K) based on a difference between a detection value of each of the plurality of the local magnetic sensors (to) and a detection value of the correction magnetic sensor ().