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:
Feb. 13, 2007
Filed:
Apr. 07, 2006
Shinji Ohta, Shizuoka, JP;
Shinji Ohta, Shizuoka, JP;
Koito Manufacturing Co., Ltd., Tokyo, JP;
Abstract
A transformer and discharge lamp lighting device are disclosed. The transformer includes a closed-magnetic circuit type of core having a gap, a primary winding, a secondary windingand a detecting terminal located on the secondary windingor an additional detecting winding separate from the main winding. The primary windingand secondary windingare wound around a portion apart from a gapof a common core columnserving as a center axis. The primary windingis formed of a sheet- or film-like conductor, and the winding portion of the primary windingis arranged so as to include the winding portion of the secondary windingin the direction along the center axis of the core column