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    • 9. 发明申请
    • SIMPLE ELECTRONIC FILE SYSTEM
    • 简单的电子文件系统
    • WO1990000779A1
    • 1990-01-25
    • PCT/JP1989000673
    • 1989-07-05
    • TOSOH CORPORATIONSHIMA, Yasuji
    • TOSOH CORPORATION
    • G06F15/62
    • H04N1/32512G06F17/30017H04N1/217H04N1/2175H04N1/32529H04N2201/0081H04N2201/0082H04N2201/0087H04N2201/0089
    • A simple electronic file system includes a copying machine (10) with an optical disc device having a light-receiving unit (130) for converting optical image of a document into digital image data, an image storage unit (135) for storing the digital image data converted by the light-receiving unit, a printer unit (140) for printing the digital image data onto paper, an optical disc unit (150) for recording digital image data page by page onto the optical disc accommodated in an exchangeable optical disc cartridge, and a selection unit (136) which selects whether the digital image data be printed by the printer unit or not, and whether the digital image data be recorded by the optical disc unit or not; and a reproduction-only optical disc device (30) having a selection unit (344) which selects a page to be reproduced from the optical disc accommodated in the optical disc cartridge, optical disc units (332 - 340) for reading digital image data of the selected page from the optical disc, an image storage unit (350) for storing the digital image data read from the optical disc unit, and a flat display unit (312) for displaying the image data stored in the image storage unit. Image data of a document are recorded by the copying machine with optical disc device onto the optical disc page by page, and the image data recorded onto the optical disc are reproduced by the reproduction-only optical disc device page by page. The capacity of the optical disc cartridge is nearly comparable with an ordinary amount of paper file, and the data are retrieved page by page. Therefore, the document in the optical disc can be easily recorded and reproduced. Further, the optical disc cartridge can be preserved just like an ordinary file. The file system therefore can be easily used in offices and in homes.