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GB1600337A
|
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Signal processor for controlling lowfrequency sound during motion picture film presentations
|
|
US4110017A
|
|
Low-frequency sound program generation
|
|
US3260909A
|
|
Reversible synchronous rerecording system
|
|
US3189915A
|
|
Single projector stereoscopic system
|
|
US3114971A
|
|
Preparation of magnetic oxide coatings
|
|
US3004112A
|
|
Magnetic film marking
|
|
US2964995A
|
|
Travelling matte optical and contact printer
|
|
US2956149A
|
|
Photographic light source
|
|
US2870672A
|
|
Travelling matte photography
|
|
GB749136A
|
|
Improvements in or relating to photographic stereoscopic camera system
|
|
US2876294A
|
|
Magnetic record control method and circuits
|
|
GB765460A
|
|
Improvements in or relating to photographic colour film contact printer
|
|
US2797626A
|
|
Color film tester
|
|
US2826112A
|
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Stereoscopic picture and stereophonic sound systems
|
|
US2868065A
|
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Stereoscopic camera system
|
|
US2778874A
|
|
Stereophonic sound system
|
|
US2841065A
|
|
Color film printer
|
|
US2628534A
|
|
Neutral density filter screen
|
|
US2674544A
|
|
Method of manufacturing a screen matrix
|
|
US2670904A
|
|
Film rewinding system
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