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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
8552374 Spectral detector Oct. 8, 2013
8431898 Infrared cut filter removable module control apparatus Apr. 30, 2013
8173964 Device for non-destructive testing of a component by analyzing generated radiation May. 8, 2012
7705978 Method and apparatus for inspection of multi-junction solar cells Apr. 27, 2010
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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