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:
Oct. 12, 2021
Filed:
Mar. 06, 2020
Tdk Corporation, Tokyo, JP;
Hiroya Kitagawa, Tokyo, JP;
Mitsunari Suzuki, Tokyo, JP;
TDK CORPORATION, Tokyo, JP;
Abstract
A coil unit including: a magnetic body including a first and second main face facing the first main face; a first coil made of a first conductor winding spirally around a first axis; and a second coil made of a second conductor winding spirally around a second axis, wherein the first coil has a first coil face intersecting the first axis and is disposed wherein the first coil face faces the first main face, the second coil has a second coil face intersecting the second axis and is disposed so the second coil face faces the second main face, the first coil face has a first opening, the second coil face has second opening, part of an inner edge of the second opening is separated from the magnetic body, and the second coil generates a magnetic field in the opposite direction of a magnetic field generated by the first coil.