| 发明名称 |
Image forming apparatus, imaging process unit, and method for recording information concerning imaging process unit |
| 摘要 |
In an image forming apparatus detachably connecting an imaging process unit including a non-volatile memory, information recorded in the non-volatile memory is partially encrypted.
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| 申请公布号 |
US7177552(B2) |
申请公布日期 |
2007.02.13 |
| 申请号 |
US20040016926 |
申请日期 |
2004.12.21 |
| 申请人 |
RICOH COMPANY, LTD. |
发明人 |
KOIKE TAKAHISA |
| 分类号 |
G03G15/00;B41J2/175;G03G21/16;G03G21/18 |
主分类号 |
G03G15/00 |
| 代理机构 |
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