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:
Sep. 22, 2020
Filed:
Mar. 16, 2018
Yokogawa Electric Corporation, Musashino-shi, Tokyo, JP;
Yokogawa Test & Measurement Corporation, Musashino-shi, Tokyo, JP;
Takanobu Shinagawa, Tokyo, JP;
Kiyoshi Yokoshima, Tokyo, JP;
Yokogawa Electric Corporation, Musashino-shi, Tokyo, JP;
YOKOGAWA TEST & MEASUREMENT CORPORATION, Musashino-shi, Tokyo, JP;
Abstract
An excitation core includes an annular strip-shaped magnetic substance, in which both ends of the strip-shaped magnetic substance are overlapped in a thickness direction and are in contact with one another. A sensor head includes: this excitation core and a magnetism collecting body. The magnetism collecting body includes a strip-shaped first magnetism collector and a strip-shaped second magnetism collector, the first magnetism collector having both ends thereof in contact with both ends of the second magnetism collector to form the annular magnetism collecting body, the magnetism collecting body being disposed on an inside or an outside of the reinforcing body.