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Class Information
Number: 250/331
Name: Radiant energy > Infrared-to-visible imaging > Including liquid crystal detector
Description: Subject matter wherein the infrared conversion means comprises a liquid crystalline material in layer form having an optical property that is changed in the infrared image areas.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7361898 |
Scanning electron microscope and CD measurement calibration standard specimen |
Apr. 22, 2008 |
| 7324070 |
Device and process for monitoring the deployment of respirator users |
Jan. 29, 2008 |
| 7239909 |
Imaging system using diffuse infrared light |
Jul. 3, 2007 |
| 7167742 |
Utilization of an infrared probe to discriminate between materials |
Jan. 23, 2007 |
| 7135679 |
Method and system for enhanced radiation detection |
Nov. 14, 2006 |
| 7119334 |
Thermal imaging system and method |
Oct. 10, 2006 |
| 6753912 |
Self compensating correlated double sampling circuit |
Jun. 22, 2004 |
| 5926238 |
Image display device, semiconductor device and optical element |
Jul. 20, 1999 |
| 5652433 |
Bistable switching device containing gadolinium hydride |
Jul. 29, 1997 |
| 5587987 |
Information recording method having a liquid crystal substrate |
Dec. 24, 1996 |
| 5512748 |
Thermal imaging system with a monolithic focal plane array and method |
Apr. 30, 1996 |
| 5389788 |
Infrared transducer and goggles incorporating the same |
Feb. 14, 1995 |
| 5266825 |
Thin-film device |
Nov. 30, 1993 |
| 5227886 |
Optical imaging/display CCD light valve and method |
Jul. 13, 1993 |
| 5214503 |
Color night vision camera system |
May. 25, 1993 |
| RE33914 |
Infrared imaging system and method |
May. 5, 1992 |
| 5100218 |
Thermal imaging optical system |
Mar. 31, 1992 |
| 5072120 |
Electromagnetic imager device |
Dec. 10, 1991 |
| 4973136 |
Reflective matrix mirror visible to infrared converter light valve |
Nov. 27, 1990 |
| 4952034 |
Liquid crystal projection display |
Aug. 28, 1990 |
| 4949174 |
Zoom lens thermal imager incorporating a non-pixellated detector |
Aug. 14, 1990 |
| 4917476 |
Thermal imagers using liquid crystal sensing elements |
Apr. 17, 1990 |
| 4810064 |
Liquid crystal projection display having laser intensity varied according to beam change-of-axis speed |
Mar. 7, 1989 |
| 4792213 |
Thermal imaging device |
Dec. 20, 1988 |
| 4751387 |
Infrared imaging system and method |
Jun. 14, 1988 |
| 4679910 |
Dual liquid-crystal cell-based visible-to-infrared dynamic image converter |
Jul. 14, 1987 |
| 4670654 |
Thermal image sensor with means for converting a phase image into an insity modulated image |
Jun. 2, 1987 |
| 4594507 |
Thermal imager |
Jun. 10, 1986 |
| 4577189 |
Circuits with electro-optical feedback for display and a digitizer application |
Mar. 18, 1986 |
| 4427888 |
Infrared imaging system |
Jan. 24, 1984 |
| 4367407 |
Method for converting luminosity values into isochromates |
Jan. 4, 1983 |
| 4334735 |
Thermo-optic liquid-crystal device for real-time display of animated images |
Jun. 15, 1982 |
| 4180722 |
Liquid heating device |
Dec. 25, 1979 |
| 4147932 |
Low light level and infrared viewing system |
Apr. 3, 1979 |
| 4131795 |
Instant radiation image display element |
Dec. 26, 1978 |
| 4099857 |
Thermo-optic liquid-crystal device for real-time display of animated images |
Jul. 11, 1978 |
| 4087687 |
Temperature control device |
May. 2, 1978 |
| 4051370 |
Optical system for thermal imager |
Sep. 27, 1977 |
| 4031529 |
Thermal method for controlling the optical properties of a liquid crystal and devices for the application of said method |
Jun. 21, 1977 |
| 3999838 |
Beam addressed liquid crystal cells |
Dec. 28, 1976 |
| 3971931 |
Led image tube light valve |
Jul. 27, 1976 |
| 3957349 |
Imaging method |
May. 18, 1976 |
| 3952193 |
Imaging method with U.V. excitation of liquid crystal |
Apr. 20, 1976 |
| 3942007 |
Liquid crystalline image converter |
Mar. 2, 1976 |
| 3936640 |
Imaging system |
Feb. 3, 1976 |
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