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. 28, 1989
Filed:
Aug. 15, 1988
Applicant:
Inventors:
Tadashi Sakurai, Tokyo, JP;
Masahiro Kojima, Tokyo, JP;
Assignee:
Motorola, Inc., Schaumburg, IL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G05F / ;
U.S. Cl.
CPC ...
323272 ; 323222 ; 363 65 ;
Abstract
A first converter which includes a switching element operating on a comparatively lower threshold voltage and generating a first output voltage, a second converter which includes a switching element operating on a threshold voltage higher than that of the first conversion unit and generating a second output voltage higher than the first output voltage, and a level shift circuit which provides the switching signal for activating the switching element of the second converter in accordance with generation of the first output voltage.