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:
Sep. 03, 2002
Filed:
May. 10, 2001
Applicant:
Inventor:
Takao Myono, Gunma, JP;
Assignee:
Sanyo Electric Co., Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G05F 1/10 ;
U.S. Cl.
CPC ...
G05F 1/10 ;
Abstract
The charge-pump circuit has at least first and second MOS transistors for charge transfer M and M connected in series, first and second capacitors and , a clock driver supplying clock to one end of the second capacitor , first switching means S for connecting the first and second capacitors to a pumping node in series, and second switching means S and S for connecting the first and second capacitors to the pumping node in parallel The clock driver changes the state of clock when both of the first and second switching means turn off.