Method improving sharpness of photographic image obtained with moving filmstrip aerial cameras; phototube controlled servo system measures aircraft ground speed and adjusts camera film transport to keep film and image moving at same rate, regardless of speed and altitude changes; controls compensate for camera angle and focal length of lenses.
Film synchronizer for aerial cameras
Electronics
Electronics ; 26 , n 11
1953
3 pages
Circuit Diagrams
Aufsatz (Zeitschrift)
Englisch
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