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. 20, 2007
Filed:
Sep. 01, 2005
Toshiyuki Tsuchiya, Shizuoka, JP;
Masayasu Ito, Shizuoka, JP;
Takao Muramatsu, Shizuoka, JP;
Koito Manufacturing Co., Ltd., Tokyo, JP;
Abstract
Switching elements S, Sconnected in series are provided on the secondary side of a pulse transformer T to which an input voltage is supplied from a DC power supply E. On the primary side of the pulse transformer T, switching element S, Sare provided, and a regenerating unit RG including a current limiting inductor Land a regenerating inductor Lis connected to the DC power supply E and the primary side of the pulse transformer T. A current is limited by the inductor Lduring an on time of the element Sor S, whilst a current is regeneratively supplied to the DC power supply E by using the inductor Lduring the off time of the elements S, S