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:
Aug. 19, 2025
Filed:
Jul. 07, 2023
Yokogawa Electric Corporation, Musashino, JP;
Yokogawa Test & Measurement Corporation, Hachioji, JP;
Hiroki Minami, Hachioji, JP;
Hiroyuki Ishida, Hachioji, JP;
Kazuki Sakamoto, Hachioji, JP;
Tomoaki Yoshihara, Hachioji, JP;
YOKOGAWA ELECTRIC CORPORATION, Tokyo, JP;
YOKOGAWA TEST & MEASUREMENT CORPORATION, Tokyo, JP;
Abstract
A current detection apparatus () according to the present disclosure includes an annular magnetic core (), a first coil group () including a plurality of first coils (La) connected in series, a second coil group () including a plurality of second coils (Lb) connected in series, and a detector (). The first coil group () and the second coil group () are connected in parallel between a first node () and a second node (), a count of the plurality of first coils (La) and a count of the plurality of second coils (Lb) are identical, and a first coil (La), among the plurality of first coils (La), in iplace from the first node () and a second coil (Lb), among the plurality of second coils (Lb), in iplace from the first node () are arranged at opposing positions, where i is an integer.