HUGHES-JVC TECHNOLOGY CORPORATION

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5512210 Far-red emitting phosphor for cathode ray tubesExpiredDec 21, 93Apr 30, 96[C09K]
5210628 Liquid crystal light valve with photosensitive layer having irregular diode patternExpiredOct 21, 91May 11, 93[G02F]
5170250 Full-color light valve projection apparatus having internal image registration systemExpiredFeb 06, 91Dec 08, 92[H04N]
5043823 Cathode ray tube focus coil alignment and assembly arrangementExpiredJun 22, 90Aug 27, 91[H04N]
5016987 Liquid crystal cell sealant assemblyExpiredJun 05, 90May 21, 91[G02F]
4842376 Double-schottky diode liquid crystal light valveExpiredJul 25, 85Jun 27, 89[H01L, G02F]
4826300 Silicon-on-sapphire liquid crystal light valve and methodExpiredJul 30, 87May 02, 89[G02F]
4807976 Light valve system and method with pulsed readoutExpiredApr 01, 87Feb 28, 89[G02F]
4715684 Optical system for three color liquid crystal light valve image projection systemExpiredJun 20, 84Dec 29, 87[G02B, G02F]
4461542 High efficiency optical tank for three color liquid crystal light valve image projection with color selective prepolarizationExpiredDec 28, 81Jul 24, 84[G03B, G02F]
4443064 High resolution AC silicon MOS-light-valve substrateExpiredDec 10, 80Apr 17, 84[G02F]
4344668 Fiber optic light traps for electro-optical display devicesExpiredMar 17, 80Aug 17, 82[G02B]
4343535 Liquid crystal light valveExpiredDec 14, 79Aug 10, 82[G02F]
4239348 High resolution AC silicon MOS light-valve substrateExpiredNov 30, 79Dec 16, 80[G02F]
4228449 Semiconductor diode array liquid crystal deviceExpiredDec 26, 78Oct 14, 80[H01L]
4198647 High resolution continuously distributed silicon photodiode substrateExpiredJan 17, 79Apr 15, 80[H01L]
4191452 AC silicon PN junction photodiode light-valve substrateExpiredDec 28, 77Mar 04, 80[G02P]
4191454 Continuous silicon MOS AC light valve substrateExpiredOct 10, 78Mar 04, 80[G02F]
4191456 Optical block for high brightness full color video projection systemExpiredMar 08, 79Mar 04, 80[H01J, G03B, G02F]

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