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Patent Searching and Data


Title:
COIL COMPONENT AND FILTER CIRCUIT INCLUDING SAME
Document Type and Number:
WIPO Patent Application WO/2019/187251
Kind Code:
A1
Abstract:
The present invention is a coil component (1) in which a plurality of coils are magnetically coupled. The coil component (1) comprises a coil (L1) (first coil), and a coil (L2) (second coil) that magnetically couples with the coil (L1) and produces a negative inductance. The coil component (1) further comprises an electrode (2) that is grounded and is provided in a location adjacent to one section of the coil (L1) and one section of the coil (L2).

Inventors:
TOUJO, Atsushi (10-1, Higashikotari 1-chome, Nagaokakyo-sh, Kyoto 55, 〒6178555, JP)
Application Number:
JP2018/037200
Publication Date:
October 03, 2019
Filing Date:
October 04, 2018
Export Citation:
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Assignee:
MURATA MANUFACTURING CO., LTD. (10-1, Higashikotari 1-chome Nagaokakyo-sh, Kyoto 55, 〒6178555, JP)
International Classes:
H03H7/075; H01F17/00; H01F27/00; H01F41/04
Foreign References:
JPH0846471A1996-02-16
JP2001160728A2001-06-12
JP2016201517A2016-12-01
JPH10215134A1998-08-11
JPH1013180A1998-01-16
Attorney, Agent or Firm:
FUKAMI PATENT OFFICE, P.C. (Nakanoshima Festival Tower West, 2-4 Nakanoshima 3-chome, Kita-ku, Osaka-sh, Osaka 05, 〒5300005, JP)
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