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. 02, 2022
Filed:
Jun. 25, 2019
Fujitsu Limited, Kawasaki, JP;
FUJITSU LIMITED, Kawasaki, JP;
Abstract
A magnetic characteristic measuring apparatus measures a magnetic characteristic of a sample having a core wound by a primary coil and a secondary coil with high accuracy at high frequency. The apparatus includes: an air-core coil wound by a primary coil and a secondary coil; and a capacitor. The primary coil of the sample, the primary coil of the air-core coil and the capacitor are serially connected, and the capacitance Cof the capacitor is selected as ⅓ωL≤C≤1/ωL, wherein Lis an inductance of the air-core coil at a frequency ω/2π.
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