| 发明名称 |
Film scanner with reliable calculation positioning hole for weave correction |
| 摘要 |
Film weave is determined from the center of a positioning hole in the film (1) by comparing it to a reference position. The center of the hole is calculated by using an infrared scanner (13) to determine a series of edge positions for the hole to construct the shape of the positioning hole.
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| 申请公布号 |
DE19815066(A1) |
申请公布日期 |
1999.10.07 |
| 申请号 |
DE19981015066 |
申请日期 |
1998.04.03 |
| 申请人 |
PHILIPS PATENTVERWALTUNG GMBH |
发明人 |
FISCHER, DIETER;KOHLMEYER, GUIDO;LEONARD, THOMAS |
| 分类号 |
H04N5/253;H04N3/36;H04N3/38;H04N9/11;(IPC1-7):H04N3/36 |
主分类号 |
H04N5/253 |
| 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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