| 发明名称 |
Processor chemistry control strip reader and replenishment system. |
| 摘要 |
<p>A voltage set point system is employed to provide a constant illumination of a photographic test strip (10). The set voltage is used as the supply for a voltage divider comparator network (63, 64, 66) for accurately determining exposed film density levels.</p> |
| 申请公布号 |
EP0401998(A1) |
申请公布日期 |
1990.12.12 |
| 申请号 |
EP19900305463 |
申请日期 |
1990.05.21 |
| 申请人 |
E.I. DU PONT DE NEMOURS AND COMPANY |
发明人 |
GRIFFIN, CHARLES DEWITT |
| 分类号 |
G03C5/02;G03C5/00;G03C5/31;G03D3/06 |
主分类号 |
G03C5/02 |
| 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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