Assignee
HUGHES JVC TECH CORP
US·27 granted patents·1,086 citations·filing 1991–1999
Top patents by PatentIndex Score
27 records- 0194US5576854ALiquid crystal light valve projector with improved contrast ratio and with 0.27 wavelength compensation for birefringence in the liquid crystal light valveHUGHES JVC TECH CORP·Filed 1993·Granted Nov 19, 1996·260 cites·16 claims
- 0285US6017123AProjected image blending for multiple imagesHUGHES JVC TECH CORP·Filed 1997·Granted Jan 25, 2000·101 cites·49 claims
- 0385US5570213ALiquid crystal light valve with minimized double reflectionHUGHES JVC TECH CORP·Filed 1994·Granted Oct 29, 1996·78 cites·22 claims
- 0483US5398082AScanned illumination for light valve video projectorsHUGHES JVC TECH CORP·Filed 1993·Granted Mar 14, 1995·78 cites·31 claims
- 0578US5565933AColor switching apparatus for liquid crystal light valve projectorHUGHES JVC TECH CORP·Filed 1992·Granted Oct 15, 1996·48 cites·40 claims
- 0677US5345262AAutomatic convergence system for color video projectorHUGHES JVC TECH CORP·Filed 1992·Granted Sep 6, 1994·62 cites·21 claims
- 0777US5268775AContrast enhancement and ghost elimination, for reflective light valve systemHUGHES JVC TECH CORP·Filed 1992·Granted Dec 7, 1993·67 cites·3 claims
- 0874US5907437AConverging optics for a single light valve full-color projectorHUGHES JVC TECH CORP·Filed 1997·Granted May 25, 1999·53 cites·24 claims
- 0973US5428467ATransmissive polygonal optical scanning of illumination for light valve video projectorHUGHES JVC TECH CORP·Filed 1993·Granted Jun 27, 1995·35 cites·16 claims
- 1070US5844722AInternal aperture mask for embedded opticsHUGHES JVC TECH CORP·Filed 1997·Granted Dec 1, 1998·39 cites·20 claims
- 1169US5947590AHigh power arc lamp reflector with shroud and plurality of cooling fins on exterior surface of reflector for image projectorHUGHES JVC TECH CORP·Filed 1997·Granted Sep 7, 1999·43 cites·39 claims
- 1266US6061102AAutomatic shading in an LCLV projectorHUGHES JVC TECH CORP·Filed 1997·Granted May 9, 2000·40 cites·21 claims
- 1360US5959773AParallel plate beam splitter configuration in high index glassHUGHES JVC TECH CORP·Filed 1997·Granted Sep 28, 1999·24 cites·26 claims
- 1460US5793441AMethod and apparatus for measuring illumination uniformity of a liquid crystal light valve projectorHUGHES JVC TECH CORP·Filed 1995·Granted Aug 11, 1998·30 cites·24 claims
- 1551US5461430ADynamic gamma correction circuit for use in image projectorsHUGHES JVC TECH CORP·Filed 1993·Granted Oct 24, 1995·16 cites·19 claims
- 1651US5285363AHeat transfer unitHUGHES JVC TECH CORP·Filed 1992·Granted Feb 8, 1994·21 cites·15 claims
- 1750US5838397AOptical fluid for projector prismHUGHES JVC TECH CORP·Filed 1995·Granted Nov 17, 1998·20 cites·25 claims
- 1848US6079833ALaser imaging using a spatial light modulatorHUGHES JVC TECH CORP·Filed 1999·Granted Jun 27, 2000·13 cites·34 claims
- 1946US5986814AHigh contrast, compact, full-color polarizer and color beam splitterHUGHES JVC TECH CORP·Filed 1997·Granted Nov 16, 1999·12 cites·25 claims
- 2045US5900918AAdjustable video gamma circuitHUGHES JVC TECH CORP·Filed 1997·Granted May 4, 1999·11 cites·20 claims
- 2143US5621551AImmersed dichroic system for single projection lens liquid crystal video projectorHUGHES JVC TECH CORP·Filed 1993·Granted Apr 15, 1997·11 cites·17 claims
- 2238US5283676ALiquid crystal light valveHUGHES JVC TECH CORP·Filed 1993·Granted Feb 1, 1994·10 cites·14 claims
- 2336US5999222ADigital vertical sync separatorHUGHES JVC TECH CORP·Filed 1997·Granted Dec 7, 1999·5 cites·21 claims
- 2431US5943168ASawtooth interleave polarization combinerHUGHES JVC TECH CORP·Filed 1997·Granted Aug 24, 1999·3 cites·20 claims
- 2530US5210628ALiquid crystal light valve with photosensitive layer having irregular diode patternHUGHES JVC TECH CORP·Filed 1991·Granted May 11, 1993·4 cites·43 claims
- 2626US5682087ACathode current stabilizationHUGHES JVC TECH CORP·Filed 1995·Granted Oct 28, 1997·0 cites·17 claims
- 2723US5490004APhotoconductivity reduction in cadmium telluride films for light blocking applications using nitrogen incorporationHUGHES JVC TECH CORP·Filed 1994·Granted Feb 6, 1996·2 cites·12 claims
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