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:
Jul. 19, 2016
Filed:
Dec. 17, 2012
Sharp Kabushiki Kaisha, Osaka-shi, Osaka, JP;
Seiichiro Kihara, Osaka, JP;
Akio Nakajima, Osaka, JP;
SHARP KABUSHIKI KAISHA, Osaka, JP;
Abstract
A driver circuit includes normally-on first and second transistors, a first control circuit for controlling the first transistor in response to a first control signal, a second control circuit for controlling the second transistor in response to a second control signal, a capacitor connected between first and second power supply nodes of the first control circuit, a power supply connected between third and fourth power supply nodes of the second control circuit, a switch element connected between first and fourth power supply nodes, and a third control circuit for turning the switch element on when an output voltage becomes about 0V.