Filtered transition distortion channel quality monitor

Finger keyer for code transmission

Flat panel display with integrated digitizing tablet

Flexibly interfaceable portable computing device

Floating coordinate system

Floating device for information disc apparatus

Flying printing system using type belt

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

FM television telephone system

Focus tracking registration for optical reproducing systems

Focusing system for videodisc player

Force activated touch screen measuring deformation of the front

Force resolving system and method

Force sensing data input device responding to the release of pre

Forms for use with handwriting capturing device

Four button cursor and method for digitizing tablet

Fourier masking analog signal secure communication system