发明名称 Image processing apparatus and image forming apparatus
摘要 An image processing apparatus and an image forming apparatus can easily handle various kinds of documents including a special document and a normal document without problems of counterfeit by copy. The image processing apparatus and the image forming apparatus have a circuit for processing image data. A signal generating circuit generates a signal to prevent an image formation of a specified document. The signal generating circuit is detachably attached to the circuit for processing image data.
申请公布号 US7665142(B2) 申请公布日期 2010.02.16
申请号 US20050048785 申请日期 2005.02.03
申请人 RICOH COMPANY, LTD. 发明人 YAMAMURA TOSHIMI
分类号 G03G21/04;G06T1/00;H04N1/00;H04N1/40 主分类号 G03G21/04
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