Matches 1 - 32 out of 32
Match Document Document Title
6402326 Fixed image projecting apparatus  
A fixed image projection system that can project an image for a short or long period of time without damage to the film. The system is comprised of a light source having a halogen lamp and a cold...
5331360 Adaptor for overhead projector  
Apparatus for converting an overhead projector to use photographic slides includes a fresnel disk that shortens the illumination convergence point to match the focal length of a typical slide...
4979814 Viewing of developed roll of slide film  
Apparatus is described for the detailed viewing of a strip of 35 mm slide film which is enclosed in a transparent jacket. The apparatus includes a projector with a film gate which is wide enough to...
4961641 Slide projector with ergonomic slide selection and access  
A slide projector has a light table oriented at 60° to a generally horizontal base and connected thereto by a detachable connector. The light table has a tray mounted thereon for movement into...
4728184 Foldable transparency enlarger for overhead projector  
A device for supporting a transparency on a top surface of an overhead projector is foldable from a compact unit into a structure having a planar base with an indentation for receiving a...
4353627 Over-head projector with partial projection device  
An over head projector has a standard projection lens for projecting the whole view of an original image and a partial projection lens for projecting a part of the original image in enlarged scale....
4244641 Microfilm reader  
A microfilm reader for enlarged projections of any desired micropicture among a number of such pictures on a microfilm. The microfilm is interleaved between two movable plates. A slidable support...
4221473 Image expander for rear-screen projectors  
A slide projector located within a rear-screen projector has means therein for projecting images, contained on slides, onto a self-contained projection screen. Two lenses having different focal...
4123699 Vertically scanning microfilm reader and reader printer  
The inventive microfilm reader and reader-printer has a film gate which is anchored to the chassis of the reader or reader-printer and which is entirely separate from a light system, lens mount,...
4094599 Flexible magazine slide projector with movable lens  
A slide projector for use with magazines of the flexible type in which slides are supported for movement around a closed-loop path and are swingable one by one into and out of a slide-projection...
4050799 Microform reader  
The disclosure relates to a microform reader apparatus of the type which projects a magnified image of an image film frame onto the rear side of a viewing screen to facilitate forward viewing of...
3880511 Image projector  
An improved slide projector is provided for magnifying and projecting transparencies on a receiving surface. The projector is adjustably carried on a column which is mounted on a base. The column...
3734615 VACUUM FILM PLATEN AND CONDENSER LENS ASSEMBLY FOR PHOTO REPRODUCTION APPARATUS  
The condenser lens system of a camera-projector has a rectangular channel in the first surface thereof which is connected to an air evacuating pump and adapts said surface as a film platen, and a...
3722990 EVR PLAYER LENS SYSTEM  
An Electronic Video Recording (EVR) player has a flying spot scanner tube for producing a raster which is focused by a lens system upon a film moving across openings in a film gate. The lenses in...
3520601 ROTATABLE PROJECTION ASSEMBLY  
3301128 Projector apparatus  
3280699 Film strip projector  
3253501 Column-supproted viewer-printer  
3234849 Photographic projection device  
3224326 Projector viewer  
3183771 Microfilm holder  
3164058 Film projector and optical system therefor  
3160058 Microfilm viewing apparatus  
3041933 Slide projector  
2994247 Strip film projection apparatus  
2972281 Panoramic projector  
2937569 Micro-film projector  
2865248 Combination slide and film projector with auto-focusing  
2856812 Change mechanism for combined slide and film strip projector  
2788970 Inside out film take-up  
2783680 Slide and film projector with swing-away head  
2782680 Projection reader  
Matches 1 - 32 out of 32