Flying spot scanner with runout correction

Flying spot scanner with scan detection

Flying spot single field scan telecine apparatus

FM angular modulation system for video signal recording

FM demodulating circuit having an insensitive frequency point

FM Video recording and reproducing system

Focal plane array readout employing one capacitive feedback tran

Focus area change circuit

Focus condition detecting device for use in a camera

Focus condition detecting device for use in a camera

Focus control apparatus having two focusing speeds

Focus detecting device which varies between a varying state and

Focus detection circuitry

Focus detection condition display device for camera

Focus enhancing method

Focus indicator apparatus for an electronic camera

Focus locking apparatus for TV camera

Focus warning system for a manually-focused still video camera h

Focus-corrected convergent beam scanner

Focusable display screen