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:
Sep. 10, 2002
Filed:
Jul. 14, 2000
Applicant:
Inventors:
Evren Eryurek, Minneapolis, MN (US);
Jogesh Warrior, Mountain View, CA (US);
Andrew T. Patten, Louisville, CO (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 1/900 ;
U.S. Cl.
CPC ...
G06F 1/900 ;
Abstract
A device in a process control system includes an electrical element which has a resistance. Self heating circuitry coupled to the element provides a self heating signal related to the resistance of the element. Diagnostic circuitry provides a diagnostic output as a function of the self heating signal output.