Inductor devices – Coil and core
Reexamination Certificate
2011-05-24
2011-05-24
Mai, Anh T (Department: 2832)
Inductor devices
Coil and core
C336S082000, C336S083000, C336S141000, C336S208000, C336S222000
Reexamination Certificate
active
07948350
ABSTRACT:
A coil component has a first core with a winding core portion, a second core with a winding core portion, a first coil wound on the winding core portion of the first core, and a second coil wound on the winding core portion of the second core. A part of the first coil is wound on the winding core portion of the second core. The first core and the second core are arranged as magnetically separated from each other.
REFERENCES:
patent: 7397334 (2008-07-01), Yoshida et al.
patent: 2006/0268457 (2006-11-01), Sano
patent: 2007/0216377 (2007-09-01), Yoshimura
patent: U-1-71410 (1989-05-01), None
patent: A-9-215318 (1997-08-01), None
patent: A-10-55923 (1998-02-01), None
patent: A-10-233325 (1998-09-01), None
patent: A-2005-243807 (2005-09-01), None
patent: A-2005-353989 (2005-12-01), None
patent: A-2007-250891 (2007-09-01), None
patent: 2007273757 (2007-10-01), None
Japanese Office Action for Application No. 2008-122466, issued Jan. 19, 2010.
Shindoh Masatoshi
Shoji Atsushi
Hinson Ronald W
Mai Anh T
Oliff & Berridg,e PLC
TDK Corporation
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