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:
Oct. 04, 2005
Filed:
Sep. 15, 2003
Applicant:
Douglas Robert Farrenkopf, Campbell, CA (US);
Inventor:
Douglas Robert Farrenkopf, Campbell, CA (US);
Assignee:
National Semiconductor Corporation, Santa Clara, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02H009/00 ;
U.S. Cl.
CPC ...
Abstract
A pad that experiences a high-voltage, high dV/dT signal during normal operation is prevented from falsely triggering by utilizing a bipolar transistor connected to the pad to provide ESD protection, and a MOS transistor connected to the bipolar transistor to turn off the bipolar transistor during normal circuit operation.