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. 29, 2002
Filed:
Jan. 17, 2001
Applicant:
Inventors:
Yasuhiko Taito, Hyogo, JP;
Akira Yamazaki, Hyogo, JP;
Fukashi Morishita, Hyogo, JP;
Mako Kobayashi, Hyogo, JP;
Mihoko Akiyama, Hyogo, JP;
Nobuyuki Fujii, Hyogo, JP;
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G05F 1/10 ;
U.S. Cl.
CPC ...
G05F 1/10 ;
Abstract
A plurality of pump modules are provided, the number of pump modules to be activated is changed depending on a mode of operation, and the number of pump modules to be activated is also adjusted with the specification of interest taken into consideration. There can be provided an internal voltage generation circuit occupying a small area and readily capable of accommodating a change in specification.