Cabinet-surface-mounted projection lens and methods
Calculator projection display
Calibration of displays having spatially-variable backlight
Calibration system and method for display optical systems
Camera-assisted presentation system
Camouflaged display stand
Capacitive comb feedback for high speed scan mirror
Card separating members for a microfiche storage and retrieval s
Card separating members for a microfiche storage and retrieval s
Carriage mechanism for microfiche reader
Carriage mechanism for microfiche reader
Carriage support arrangement for a microfiche reader
Carrier apparatus for an optical engine
Carrier apparatus for microfilm
Cartridge placement holder
Case for overhead projection display panel
Cassegrainian microfiche lens construction
Cassette player and slide assembly
Cassette rotary tray slide projector and slide cassette usable t
Catadioptric projection lantern