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. 09, 1998
Filed:
Dec. 23, 1996
Applicant:
Inventors:
Larry E Wilson, Marion, IN (US);
Craig R Knotts, Fort Wayne, IN (US);
Assignee:
Carrier Corporation, Syracuse, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F25C / ;
U.S. Cl.
CPC ...
62138 ; 62139 ;
Abstract
A system for detecting the formation of ice on a cold surface includes an electrical circuit for sensing the electrical responsiveness of a capacitor formed by a conductive plate positioned opposite the cold surface. The ice formed on the cold surface will eventually comprise most of the dielectric medium between the conductive plate and the cold surface thereby providing a distinctively recognizable electrical response that is sensed by the electrical circuit.