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. 13, 2011
Filed:
Oct. 26, 2007
Applicants:
Paul D Smith, Dunlap, IL (US);
Matthew Lee Boggs, Metamora, IL (US);
Charles Komsri, Peoria, IL (US);
Inventors:
Paul D Smith, Dunlap, IL (US);
Matthew Lee Boggs, Metamora, IL (US);
Charles Komsri, Peoria, IL (US);
Assignee:
Caterpillar Inc., Peoria, IL (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02H 3/20 (2006.01);
U.S. Cl.
CPC ...
Abstract
A device for protecting sensitive electronic equipment from low level signal lines short circuited to high voltage power sources includes a switch that open the circuit between the data lines and the sensitive computing equipment if a high voltage condition is detected on the data lines. Otherwise, the switch remains closed and data can be transmitted to the computing equipment.