发明名称 |
Image forming apparatus with specific document determining module and abnormality detection means |
摘要 |
The present specific document determining apparatus according to the present invention comprises a microwave sensor for irradiating a microwave to and scanning a document, detecting a reflected portion of the irradiated microwave, outputting a first detection signal, again irradiating a microwave and scanning the document after the document is placed on a contact glass, detecting a reflected portion of the irradiated microwave, and outputting a second detection signal; a signal processing section for using the first detection signal as a reference signal and comparing a level of the reference signal to a level of the second detection signal to make determination as to whether metallic fiber is included in the document or not, and a controller for making determination as to whether the document is a specific one or not according to a result of determination by the signal processing section.
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申请公布号 |
US2004046988(A1) |
申请公布日期 |
2004.03.11 |
申请号 |
US20030640021 |
申请日期 |
2003.08.14 |
申请人 |
HASEGAWA YUTAKA;UKAI TAKESHI;YAMAGATA HIDEAKI;OHTSUBO KAZUHISA;MAEDA MAMORU |
发明人 |
HASEGAWA YUTAKA;UKAI TAKESHI;YAMAGATA HIDEAKI;OHTSUBO KAZUHISA;MAEDA MAMORU |
分类号 |
G03G21/04;G07D7/10;G07D7/20;H04N1/00;(IPC1-7):H04N1/40;G06K15/02;G06T7/00;G06F9/00;G06F3/12 |
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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