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:
Dec. 29, 2015
Filed:
Nov. 26, 2013
Applicant:
Lapis Semiconductor Co., Ltd., Kanagawa, JP;
Inventor:
Kikuo Utsuno, Kanagawa, JP;
Assignee:
Lapis Semiconductor Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03K 19/0948 (2006.01); H02K 7/14 (2006.01); G05F 5/00 (2006.01); G05F 1/56 (2006.01); G04C 3/14 (2006.01);
U.S. Cl.
CPC ...
G05F 5/00 (2013.01); G04C 3/14 (2013.01); G05F 1/56 (2013.01);
Abstract
A semiconductor device includes a reference voltage generation circuit to which a power source voltage is applied; an output terminal for outputting an output voltage; a determining circuit connected to the reference voltage generation circuit and the output terminal for generating the output voltage according to a determination target voltage; and a constant electric current source connected to the determining circuit and a ground potential for generating a constant electrical current.