Digitally encoded alpha-numeric projector slide and systems...

Details Digitally encoded alpha-numeric projector slide and systems... Digitally encoded alpha-numeric projector slide and systems...

G - Physics

03

B

88/85, 352/10.1

G03B 21/64 (2006.01) G03B 23/00 (2006.01) G03B 31/06 (2006.01)

Patent

CA 1306298

DIGITALLY ENCODED ALPHA-NUMERIC PROJECTOR SLIDE AND SYSTEMS FOR USING THE SAME ABSTRACT OF THE DISCLOSURE The present invention includes an information projector slide comprising a planar member having a central window for holding a photographic film image and at least one border adjacent the window. A magnetic medium for storing selected digitally encoded alpha-numeric information is affixed to the border. A read/write system for reading information from and writing information to the projector slide includes a read head, a write head, a controller, a keyboard and a display monitor. An optical projection system and a video projection system are provided for concurrently displaying an image from a photographic slide and encoded information from the magnetic media. A cropping system is also provided for use with the video projection system. 5489r 04MAY87

541042

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