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:
May. 17, 1994
Filed:
Dec. 29, 1992
Applicant:
Inventor:
Hiroshi Ikeuchi, Yokosuka, JP;
Assignee:
Murata Manufacturing Co., Ltd., Kyoto, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02M / ;
U.S. Cl.
CPC ...
363 21 ; 363 89 ; 323222 ;
Abstract
A DC--DC converter wherein, a DC power supply, a coil, and a main switch are connected in parallel, a resonant capacitor is connected in parallel with the main switch, a rectifier is connected to the coil for DC output to be provided from both ends of the coil, and a control switch is connected in parallel with the coil for allowing current due to energy accumulated in the coil to flow when the main switch is OFF.