发明名称 |
Valid patch discrimination method for automatic density control apparatus. |
摘要 |
<p>In a valid patch discrimination method for an automatic density control apparatus, a density of a color bar printed on a paper is measured in units of colors, a predetermined calculation is performed based on the measurement result, and the calculation result is compared with a prestored value to discriminate a presence/absence of a valid color patch.</p> |
申请公布号 |
EP0370126(A1) |
申请公布日期 |
1990.05.30 |
申请号 |
EP19880119505 |
申请日期 |
1988.11.23 |
申请人 |
KOMORI PRINTING MACHINERY CO., LTD. |
发明人 |
KURATA, YOSHIAKI C/O TORIDE WORKS |
分类号 |
B41F33/00 |
主分类号 |
B41F33/00 |
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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