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.
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
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