Inventor
LEDEBUHR ARNO G
US15 patents
⚠️ This page may combine multiple inventors who share the name “LEDEBUHR ARNO G”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HUGHES AIRCRAFT CO
14 patentsUS4786146ANov 22, 1988
Color sequential illumination system for a liquid crystal light valve
HUGHES AIRCRAFT CO73 citations96
US4749259AJun 7, 1988
Liquid crystal image projection with multicolor prepolarizing system
HUGHES AIRCRAFT CO58 citations96
US4687301AAug 18, 1987
Full-color projector system with a tricolor-separating prism
HUGHES AIRCRAFT CO70 citations96
US5363222ANov 8, 1994
Compact optical system for a single light valve full-color projector
HUGHES AIRCRAFT CO31 citations92
US5170250ADec 8, 1992
Full-color light valve projection apparatus having internal image registration system
HUGHES AIRCRAFT CO22 citations92
US5111315AMay 5, 1992
Optical system for illuminating a light valve
HUGHES AIRCRAFT CO24 citations92
US4842374AJun 27, 1989
Unitary prepolarizing prism assembly for a four color liquid crystal light valve image projector
HUGHES AIRCRAFT CO30 citations92
US4836649AJun 6, 1989
Optical layout for a three light valve full-color projector employing a dual relay lens system and a single projection lens
HUGHES AIRCRAFT CO130 citations92
US4826311AMay 2, 1989
Prism assembly with three periscopes and projection lenses for a single light valve full-color projector
HUGHES AIRCRAFT CO50 citations92
US4690526ASep 1, 1987
Prism assembly for a single light valve full-color projector
HUGHES AIRCRAFT CO32 citations92
US4728174AMar 1, 1988
Electron beam addressed liquid crystal light valve
HUGHES AIRCRAFT CO28 citations90
US4824214AApr 25, 1989
Unitary prepolarizing prism assembly for a four color liquid crystal light valve image projector
HUGHES AIRCRAFT CO22 citations82
US4826293AMay 2, 1989
Electron beam addressed liquid crystal light valve with input sheet conductor
HUGHES AIRCRAFT CO21 citations78
US4911547AMar 27, 1990
Compact optical system for a single light valve projector using two axes of polarization
HUGHES AIRCRAFT CO16 citations73