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:
Jul. 02, 2013
Sony Corporation, Tokyo, JP;
Takaaki Tatsumi, Kanagawa, JP;
Sony Corporation, Tokyo, JP;
Abstract
A protection element includes a first wiring line configured to be supplied with a signal voltage when electric current is on; a second wiring line configured to be supplied with a criterion voltage; a detection circuit connected between the first wiring line and the second wiring line, and configured to detect the signal voltage inputted onto the first wiring line; an inverter circuit including a plurality of inverters connected between the first wiring line and the second wiring line, and configured to be supplied with a reference voltage having a same level as that of the signal voltage between an odd-numbered inverter and an even-numbered inverter when electric current is on; and a protection transistor connected between the first wiring line and the second wiring line, and having a gate configured to receive output of the inverter circuit.