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. 28, 2011
Filed:
Oct. 02, 2009
Applicants:
Don L. Landt, Palo, IA (US);
Allen W. Jones, Cedar Rapids, IA (US);
Inventors:
Don L. Landt, Palo, IA (US);
Allen W. Jones, Cedar Rapids, IA (US);
Assignee:
Rockwell Collins, Inc., Cedar Rapids, IA (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H02H 3/20 (2006.01); H02H 9/04 (2006.01);
U.S. Cl.
CPC ...
Abstract
A protection circuit includes a diode chip, and a switching device integrated with the diode chip, the switching device being isolated, optically triggered, optically powered, and the diode chip connected between a high side terminal of the switching device and an input to a first inverting amplifier, the diode chip further supplying a current when an overvoltage occurs between a drain and a source of the switching device.