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. 17, 2015
Filed:
Aug. 23, 2013
Applicant:
Panasonic Corporation, Osaka, JP;
Inventors:
Eiichi Sadayuki, Osaka, JP;
Kazuki Yoshioka, Osaka, JP;
Assignee:
Panasonic Corporation, Osaka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02J 7/00 (2006.01); G05F 1/56 (2006.01); H01H 47/00 (2006.01);
U.S. Cl.
CPC ...
H02J 7/00 (2013.01); G05F 1/56 (2013.01);
Abstract
A power source generation circuit includes a regulator circuit which receives an external power source voltage VDDA from an external power source, and generates a predetermined internal power source voltage on a given terminal VDD; and a charging circuit which connects the external power source and the given terminal when the external power source voltage VDDA supplied from the external power source is equal to or lower than a predetermined threshold voltage.