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:
Nov. 17, 2009
Filed:
Jul. 05, 2007
Christophe Entringer, Grenoble, FR;
Philippe Flatresse, Froges, FR;
Pascal Salome, Vif, FR;
Florence Azaïs, Combaillaux, FR;
Pascal Nouet, Combaillaux, FR;
Christophe Entringer, Grenoble, FR;
Philippe Flatresse, Froges, FR;
Pascal Salome, Vif, FR;
Florence Azaïs, Combaillaux, FR;
Pascal Nouet, Combaillaux, FR;
STMicroelectronics, SA, Montrouge, FR;
Abstract
An embodiment of a protection circuit, comprising a first PNP-type bipolar transistor and a second NPN-type bipolar transistor, the base of the first transistor being connected to the collector of the second transistor and the collector of the first transistor being connected to the base of the second transistor, in which a MOS transistor is connected between the collector and the emitter of the second transistor.