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:
Jun. 18, 2002
Filed:
Nov. 08, 1999
Kelly C. Casey, Flower Mound, TX (US);
Elmer L. Turner, Jr., Irving, TX (US);
Teccor Electronics, LP, Irving, TX (US);
Abstract
An integrated circuit ( ) providing overvoltage and overcurrent protection to a line ( ). The integrated circuit ( ) is constructed to provide overvoltage protection when a voltage exceeding a specified magnitude is impressed across the cathode and anode terminals ( ), irrespective of the gate-cathode current. A gate terminal ( ) is provided to trigger the overvoltage protection device into conduction when a gate current exceeding a predefined value is carried on the line ( ). The gate-cathode structure of the integrated circuit ( ) includes a semiconductor resistance ( ) which functions to make the gate current required for turn on higher, thereby allowing the gate-cathode terminals ( ) of the integrated circuit ( ) too be connected in series with the line ( ) to be protected.