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:
Aug. 05, 1997
Filed:
Mar. 17, 1995
Steven A Ignatowicz, Wheeling, IL (US);
Eugene F Kalley, St. Charles, IL (US);
Daniel Scott Hampton, Mundelein, IL (US);
Sam Paris, Chicago, IL (US);
Ircon, Inc., Niles, IL (US);
Abstract
A light detector is disclosed for measuring the temperature of an object. The light detector includes a lens assembly for accepting light emitted from the object, an aperture, and a mirror for reflecting the infrared energy of the object into a fiber optic cable. The fiber optic cable is connected to a depolarizing element to which pressure is externally applied. The depolarization element relays the infrared energy into a detection portion and a signal processing portion for calculating temperature. Before the infrared light enters the fiber optic cable, a chopper, controlled by a driving circuit, chops the infrared energy reflected by the mirror.