发明名称 |
Original document size detecting arrangement |
摘要 |
An arrangement for detecting sizes of original documents for use in a copying apparatus or the like, which is capable of effecting size detection at high reliability irrespective of thicknesses of original documents, and in which an adverse effect due to cross-talk light by neighboring light emitting elements employed in it is eliminated for detection of various sizes based on presence of correct original documents.
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申请公布号 |
US4614874(A) |
申请公布日期 |
1986.09.30 |
申请号 |
US19840571187 |
申请日期 |
1984.01.16 |
申请人 |
SHARP KABUSHIKI KAISHA |
发明人 |
FUKUDA, HIROAKI;SUMIYOSHI, KENJI;MASAKI, RYOICHI;TANI, ZEMPEI |
分类号 |
G03G15/00;(IPC1-7):G01N21/86 |
主分类号 |
G03G15/00 |
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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