发明名称 |
Data recording medium, reading device, recording device, and methods thereof |
摘要 |
There are provided a data recording medium, a reading device for reading the data recording medium, a recording device for reading the data recording medium and recording data to other media, and methods thereof able to prevent forgery without comparing visible information and data stored in a built-in electronic circuit chip. The reading device is for reading a data recording medium including a sheet portion visibly printed with an image and a data storage unit recorded with control date. The reading device comprises a first reading unit adapted to optically read the image on the sheet portion, a second reading unit adapted to read the control data including read permission data indicating whether reading of the image is permitted, a determination unit adapted to determine whether reading of the image by the first reading unit is permitted based on the read permission data obtained by the second reading unit, and a controller adapted to control the first reading unit based on the determination by the determination unit. |
申请公布号 |
EP1783565(A1) |
申请公布日期 |
2007.05.09 |
申请号 |
EP20070003300 |
申请日期 |
2003.06.19 |
申请人 |
RICOH COMPANY, LTD. |
发明人 |
MIYAZAWA, TOSHIO;YAMAGATA, HIDEAKI;SHIMURA, HIROSHI;TACHIKAWA, MICHIYOSHI;NAGATSUKA, HIROAKI |
分类号 |
G03G21/04;G06F12/14;G06F21/24;G06K17/00;G06K19/08;G06K19/10;G07D7/00;G07D7/12;H04N1/40 |
主分类号 |
G03G21/04 |
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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