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:
Apr. 12, 2016
Filed:
Sep. 22, 2014
Applicant:
Tdk Corporation, Tokyo, JP;
Inventors:
Nobuo Takagi, Tokyo, JP;
Setu Tsuchida, Tokyo, JP;
Tasuku Mikogami, Tokyo, JP;
Tomonao Suto, Tokyo, JP;
Assignee:
TDK CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01F 27/24 (2006.01); H01F 17/06 (2006.01); H01F 27/26 (2006.01); H01F 19/08 (2006.01);
U.S. Cl.
CPC ...
H01F 27/263 (2013.01); H01F 19/08 (2013.01); H01F 2019/085 (2013.01);
Abstract
Disclosed herein is a pulse transformer that includes a drum core having a winding core portion and first and second flange portions, a plate core connected to the first and second flange portions, and a plurality of wires that are wound around the winding core portion. The first and second flange portions and the plate core are ground such that an inductance of the pulse transformer is 350 μH or more when a bias current of 8 mA is applied to the wires.