Audio-visual system including audio-visual slides
Automatic slide magazine handler
Channel illumination sheets
Clothing image mirror projection system
Color contrast sensitivity measuring device
Color filter head for photographic enlargers
Color graphic imager utilizing a liquid crystal display
Color sequential illumination system for a liquid crystal light
Compact folded mirror camera and projector
Composite Fresnel lens assembly
Conductive screen for video display unit
Continuous source scene projector
Creation of multiplanular images
Data viewer
Device for reducing the granulation in the transmission of optic
Document reading apparatus
Electro-optic ceramic material
Enlargement lens mount
Exposure apparatus
Film reader