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Patent Searching and Data


Title:
COIL COMPONENT AND FILTER CIRCUIT
Document Type and Number:
WIPO Patent Application WO/2023/210281
Kind Code:
A1
Abstract:
The present disclosure provides a coil component that can easily perform adjustment of negative inductance, and a filter circuit in which the coil component is mounted. A coil component (1) of the present disclosure is provided with a bobbin (2), a dummy wire (3), a first wire (4), and a second wire (5). The bobbin (2) comprises a body portion (2a) around which a wire is wound, and flange portions (2b, 2c) provided at both ends of the body portion (2a). The dummy wire (3) is wound around the body portion (2a). The first wire is wound over the outside of the dummy wire (3). The second wire (5) is wound over the outside of the dummy wire (3) in the same winding direction as the first wire (4).

Inventors:
TOUJO ATSUSHI (JP)
Application Number:
PCT/JP2023/014086
Publication Date:
November 02, 2023
Filing Date:
April 05, 2023
Export Citation:
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Assignee:
MURATA MANUFACTURING CO (JP)
International Classes:
H01F19/00; H01F27/28; H01F27/29; H03H7/09
Foreign References:
JP2010165863A2010-07-29
JP2006080434A2006-03-23
JPH1097928A1998-04-14
JPS57134818U1982-08-23
JP2001160728A2001-06-12
Attorney, Agent or Firm:
FUKAMI PATENT OFFICE, P.C. (JP)
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