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Title:
COMMON MODE CHOKE COIL AND SIGNAL TRANSMISSION CIRCUIT USING THE SAME
Document Type and Number:
Japanese Patent JP2010272809
Kind Code:
A
Abstract:

To obtain a common mode choke coil that suppresses an increase of passage loss of a normal mode signal, while blocking the passage of common mode noise by generating an impedance to the common mode noise.

The choke coil includes a toroidal core 2 forming a closed magnetic circuit, a pair of conductor lines 5a, 5b whose outer surfaces are insulated, a shielded conductor 7A coating in block the pair of conductor lines 5a, 5b, and a signal transmission cable 3A wound around the toroidal core 2.


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Inventors:
KOBAYASHI TAKESHI
SAITO SEIICHI
OHASHI HIDEMASA
Application Number:
JP2009125528A
Publication Date:
December 02, 2010
Filing Date:
May 25, 2009
Export Citation:
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Assignee:
MITSUBISHI ELECTRIC CORP
International Classes:
H01F19/00; H01B11/06; H01B11/12; H03H7/09; H05K9/00
Domestic Patent References:
JP2005235429A2005-09-02
JP2008130347A2008-06-05
JP2006120950A2006-05-11
JPH0922624A1997-01-21
JP2005090967A2005-04-07
JP2002076867A2002-03-15
JP2002257966A2002-09-11
JPH01191302A1989-08-01
JP2005150198A2005-06-09
JP2008502881A2008-01-31
JPH0520935A1993-01-29
Attorney, Agent or Firm:
Michiharu Soga
Hidetoshi Furukawa
Suzuki Kenchi
Kajinami order
Kazuhiro Oyaku
Shunichi Ueda
Junichiro Yoshida



 
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