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:
Jun. 04, 2019
Filed:
Oct. 02, 2017
Applicant:
Kabushiki Kaisha Tokai-rika-denki-seisakusho, Aichi-ken, JP;
Inventor:
Junichi Matsubara, Aichi-ken, JP;
Assignee:
KABUSHIKI KAISHA TOKAI-RIKA-DENKI-SEISAKUSHO, Aichi-ken, JP;
Primary Examiner:
Int. Cl.
CPC ...
H03K 19/08 (2006.01); H03K 19/003 (2006.01); H03K 19/018 (2006.01); H03K 5/08 (2006.01); H03K 19/0175 (2006.01); H03K 19/0944 (2006.01); H03K 3/0233 (2006.01);
U.S. Cl.
CPC ...
H03K 19/0813 (2013.01); H03K 5/082 (2013.01); H03K 19/00307 (2013.01); H03K 19/00315 (2013.01); H03K 19/01831 (2013.01); H03K 19/017518 (2013.01); H03K 3/02337 (2013.01); H03K 19/0944 (2013.01);
Abstract
The present disclosure provides a level shifter including: a level shifter section that is driven by a first power source voltage, and that, in accordance with switching of an input signal of a voltage lower than the first power source voltage, switches an output signal that has been level-shifted, from the first power source voltage to a voltage lower than the first power source voltage; and a threshold voltage changing circuit that, in accordance with a switching direction of the input signal, changes a threshold voltage of the input signal for switching the output signal.