发明名称 DIGITALLY ENCODED ALPHA-NUMERIC PROJECTOR SLIDE AND SYSTEMS FOR USING THE SAME
摘要 DIGITALLY ENCODED ALPHA-NUMERIC PROJECTOR SLIDE AND SYSTEMS FOR USING THE SAME 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
申请公布号 CA1306298(C) 申请公布日期 1992.08.11
申请号 CA19870541042 申请日期 1987.06.30
申请人 HOONSBEEN, GARY A. 发明人 HOONSBEEN, GARY A.;TRUC, JAMES A.
分类号 G03B21/64;G03B23/00;G03B31/06 主分类号 G03B21/64
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