发明名称 |
Microfilm display apparatus |
摘要 |
A microfilm display device is responsive to a film address signal and controlled by a microprocessor to locate a desired film and select a film image for display on a cathode-ray terminal. The film image is converted to a video signal for display on the terminal. The video signal is used for fine positioning of the raster on a flying spot scanner which illuminates the film.
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申请公布号 |
US4271430(A) |
申请公布日期 |
1981.06.02 |
申请号 |
US19780895153 |
申请日期 |
1978.04.10 |
申请人 |
COMPUTER MICROFILM INTERNATIONAL CORPORATION |
发明人 |
O'BRIEN, GERALD E. |
分类号 |
G06K21/00;G06K17/00;H04N1/00;H04N1/047;H04N1/10;H04N1/387;H04N1/40;H04N7/18;(IPC1-7):H04N5/22 |
主分类号 |
G06K21/00 |
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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