Facsimile system for the transmission of picture
Facsimile system of run-length
Feed-back circuit for controlling the distance between verticall
Floating device for information disc apparatus
Flying spot scanner unaffected by ambient light
Flying spot scanner with plural lens correction
Flying spot scanning system with reduced effective scan angle
Flying spot scanning system with virtual scanners
Focus tracking registration for optical reproducing systems
Focusing system for videodisc player
Frequency selective circuit for automatic frequency control and
Gated video centroid tracker
Gravure printing methods and apparatus with rotary shutter
Gray scale for planar gas discharge display devices
Gun launched reconnaissance system
Histogram equalization system for display improvement
Horizontal and vertical soft edge video transition system with e
Illuminating and transmitting system
Image analysers
Image analysis apparatus