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. 31, 2006
Filed:
Nov. 20, 2003
Applicants:
Hiroshi Higashitani, Osaka, JP;
Takeo Yasuho, Osaka, JP;
Inventors:
Hiroshi Higashitani, Osaka, JP;
Takeo Yasuho, Osaka, JP;
Assignee:
Matsushita Electric Industrial Co., Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G05F 6/613 (2006.01);
U.S. Cl.
CPC ...
Abstract
DC/DC converter includes a voltage converting circuit connected between the input terminal and output terminal, a fast transient response circuit, a step-up and step-down operation determining circuit, a voltage comparator, and a switch control circuit.