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:
Mar. 16, 2004
Filed:
Apr. 22, 2002
Applicant:
Inventors:
Han-Cheng Hsu, Taoyuan Hsien, TW;
Wen-Te Ko, Taoyuan Hsien, TW;
Assignee:
Delta Electronics Inc., Taoyuan Sien, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01F 5/00 ;
U.S. Cl.
CPC ...
H01F 5/00 ;
Abstract
A filtering induction device is provided to improve the filter effect via the increase of an insertion loss resulting from stray capacitance. The induction device includes at least one core structure, and first and second flat coils that interlacing with each other. The first flat coil is used as an inductor, and the second flat coil is used as an electrode belonging to a capacitor formed between the circles of the first flat coil.