Facsimile apparatus
Facsimile communication system
Facsimile copy medium magazine
Facsimile reproduction system
Facsimile set
Facsimile system
Facsimile system
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