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:
Oct. 09, 2012
Filed:
Mar. 05, 2010
Applicants:
Takuya Ishii, Osaka, JP;
Chun Kiong Leslie Khoo, Singapore, SG;
Ulysses Ramos Lopez, Singapore, SG;
Gin Kooi Lim, Singapore, SG;
Khairullah Bin Zayadi, Singapore, SG;
Inventors:
Takuya Ishii, Osaka, JP;
Chun Kiong Leslie Khoo, Singapore, SG;
Ulysses Ramos Lopez, Singapore, SG;
Gin Kooi Lim, Singapore, SG;
Khairullah Bin Zayadi, Singapore, SG;
Assignees:
Panasonic Corporation, Osaka, JP;
Panasonic Semiconductor Asia Pte. Ltd., Singapore, SG;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G05F 1/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
An ON-OFF timer circuit for use in a DC-DC converter to minimize or eliminate the risk of developing sub-harmonic oscillations that may cause the dc-dc system to be unstable is presented. The apparatus controls and limits the 'On' time duration and 'Off' time duration within one pulse cycle.