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. 13, 2021
Filed:
Nov. 04, 2019
Murata Manufacturing Co., Ltd., Nagaokakyo, JP;
Yusuke Suzuki, Nagaokakyo, JP;
Shunsuke Kasai, Nagaokakyo, JP;
MURATA MANUFACTURING CO., LTD., Nagaokakyo, JP;
Abstract
An antenna coil that adjusts the inductance while suppressing variations in output strength is provided. The antenna coil includes a bar-shaped core made of a magnetic material, a bobbin that holds the core, and wire wound around the bobbin. The wire includes a first coil section arranged at a position corresponding to a first end of the core, a second coil section arranged at a position corresponding to a second end portion of the core, and a third coil section positioned between the first coil section and the second coil section and that is movable in an extending direction of the core.