Inventor · disambiguated record
Arno G. Ledebuhr
Also filed as: LEDEBUHR ARNO G
15 granted patents·660 citations·filing 1985–1997
95Inventor score
Top patents by PatentIndex Score
15 records- 0191US4836649AOptical layout for a three light valve full-color projector employing a dual relay lens system and a single projection lensHUGHES AIRCRAFT CO·Filed 1985·Granted Jun 6, 1989·130 cites·12 claims
- 0290US4786146AColor sequential illumination system for a liquid crystal light valveHUGHES AIRCRAFT CO·Filed 1987·Granted Nov 22, 1988·73 cites·20 claims
- 0388US4687301AFull-color projector system with a tricolor-separating prismHUGHES AIRCRAFT CO·Filed 1985·Granted Aug 18, 1987·70 cites·24 claims
- 0487US4749259ALiquid crystal image projection with multicolor prepolarizing systemHUGHES AIRCRAFT CO·Filed 1987·Granted Jun 7, 1988·58 cites·10 claims
- 0585US4826311APrism assembly with three periscopes and projection lenses for a single light valve full-color projectorHUGHES AIRCRAFT CO·Filed 1987·Granted May 2, 1989·50 cites·9 claims
- 0674US5907437AConverging optics for a single light valve full-color projectorHUGHES JVC TECH CORP·Filed 1997·Granted May 25, 1999·53 cites·24 claims
- 0772US4690526APrism assembly for a single light valve full-color projectorHUGHES AIRCRAFT CO·Filed 1985·Granted Sep 1, 1987·32 cites·7 claims
- 0871US4842374AUnitary prepolarizing prism assembly for a four color liquid crystal light valve image projectorHUGHES AIRCRAFT CO·Filed 1988·Granted Jun 27, 1989·30 cites·10 claims
- 0969US5363222ACompact optical system for a single light valve full-color projectorHUGHES AIRCRAFT CO·Filed 1992·Granted Nov 8, 1994·31 cites·5 claims
- 1068US4824214AUnitary prepolarizing prism assembly for a four color liquid crystal light valve image projectorHUGHES AIRCRAFT CO·Filed 1987·Granted Apr 25, 1989·22 cites·5 claims
- 1167US4728174AElectron beam addressed liquid crystal light valveHUGHES AIRCRAFT CO·Filed 1986·Granted Mar 1, 1988·28 cites·19 claims
- 1265US5111315AOptical system for illuminating a light valveHUGHES AIRCRAFT CO·Filed 1991·Granted May 5, 1992·24 cites·9 claims
- 1363US5170250AFull-color light valve projection apparatus having internal image registration systemHUGHES AIRCRAFT CO·Filed 1991·Granted Dec 8, 1992·22 cites·17 claims
- 1460US4911547ACompact optical system for a single light valve projector using two axes of polarizationHUGHES AIRCRAFT CO·Filed 1989·Granted Mar 27, 1990·16 cites·8 claims
- 1559US4826293AElectron beam addressed liquid crystal light valve with input sheet conductorHUGHES AIRCRAFT CO·Filed 1987·Granted May 2, 1989·21 cites·29 claims
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