发明名称 |
Image reading apparatus capable of self-diagnosis using consecutive number of adjacent abnormal pixels |
摘要 |
An apparatus for reading an image on a medium to be read using a light emitting device and a light receiving device is disclosed in which a determination is made that at least one of the light emitting device and the light receiving device malfunctions in the presence of a substantial coincidence between a consecutive number of abnormal pixels adjacent to each other and a reference value.
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申请公布号 |
US2005094215(A1) |
申请公布日期 |
2005.05.05 |
申请号 |
US20040975764 |
申请日期 |
2004.10.29 |
申请人 |
BROTHER KOGYO KABUSHIKI KAISHA |
发明人 |
NAGASAKA HIDEAKI |
分类号 |
G06T1/00;H04N1/00;H04N1/028;H04N1/031;H04N1/19;H04N1/32;(IPC1-7):H04N1/047;H04N1/04 |
主分类号 |
G06T1/00 |
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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