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:
May. 02, 2006
Filed:
Oct. 06, 2004
Zheng Chen, Colorado Springs, CO (US);
Carlos A. Paz DE Araujo, Colorado Springs, CO (US);
Jolanta Celinska, Colorado Springs, CO (US);
Larry D. Mcmillan, Colorado Springs, CO (US);
Zheng Chen, Colorado Springs, CO (US);
Carlos A. Paz de Araujo, Colorado Springs, CO (US);
Jolanta Celinska, Colorado Springs, CO (US);
Larry D. McMillan, Colorado Springs, CO (US);
Symetrix Corporation, Colorado Springs, CO (US);
Matsushita Electric Industrial Co., Ltd., Osaka, JP;
Abstract
A pyrometer cell comprises a first ferroelectric capacitor, a second ferroelectric capacitor, and a difference circuit for determining the difference between the polarization charge, voltage, or current between the first and second ferroelectric capacitors. The cell is pulsed a plurality of times and an integrator circuit connected to the difference circuit provides an enhanced output signal representative of the integrated difference. An infrared imager is formed by an array of the pyrometer cells, with one ferroelectric capacitor in each cell exposed to an infrared source and the other ferroelectric capacitor not exposed to the infrared source.