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. 29, 2014
Filed:
Oct. 04, 2012
Applicants:
Tdk Corporation, Tokyo, JP;
Tdk Korea Corporation, Seoul, KR;
Inventors:
Assignees:
TDK Corporation, Tokyo, JP;
TDK Korea Corporation, Seoul, KR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01F 27/28 (2006.01); H01F 21/06 (2006.01); H01F 27/30 (2006.01); H01F 27/24 (2006.01); H01F 27/34 (2006.01); H01F 27/32 (2006.01); H01F 5/00 (2006.01);
U.S. Cl.
CPC ...
H01F 5/00 (2013.01); H01F 27/346 (2013.01); H01F 27/326 (2013.01);
Abstract
A coil devicecomprises a first bobbinhaving a first bobbin plateprovided with a first hollow cylinderon which a primary coilis wound at the outer periphery, and a second bobbinmounted on the first bobbinand having a second bobbin plateprovided with a second hollow cylinderon which a secondary coilis wound at the outer periphery. A winding center Cof the primary coiland a winding center Cof the secondary coildisplace with a predetermined displacement (Lx) along a predetermined reference direction X.