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 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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