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. 27, 2001
Filed:
Jan. 19, 2000
Applicant:
Inventor:
Takahiro Ogawa, Osaka, JP;
Assignee:
Funai Electric Co., Ltd., Daito, JP;
Primary Examiner:
Int. Cl.
CPC ...
H02M 3/335 ;
U.S. Cl.
CPC ...
H02M 3/335 ;
Abstract
A switching power supply to stabilize the voltage of a DC output by controlling the switching of a switching transistor according to a voltage error of the DC output. In the switching power supply, when the switching transistor carries out the intermittent switching, the maximum value of the current flowing through a primary coil is limited to a current value smaller than the maximum value of the current determined corresponding to the output of an error detection circuit.