发明授权
- 专利标题: Reproduction of transparent masters
- 专利标题(中): 复制透明大师
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申请号: US918221申请日: 1997-08-25
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公开(公告)号: US5959722A公开(公告)日: 1999-09-28
- 发明人: Markus Fussel , Gunter Findeis , Friedrich Jacob , Knut Oberhardt
- 申请人: Markus Fussel , Gunter Findeis , Friedrich Jacob , Knut Oberhardt
- 申请人地址: DEX Leverkusen
- 专利权人: AGFA-Gevaert AG
- 当前专利权人: AGFA-Gevaert AG
- 当前专利权人地址: DEX Leverkusen
- 优先权: DEX19634148 19960823
- 主分类号: H04N1/407
- IPC分类号: H04N1/407 ; G03B27/72 ; G03B27/32 ; G03C5/00 ; G03F9/00
摘要:
A copying apparatus is adjusted in order to produce high-quality copies of transparent negatives or diapositives having excessive variations in brightness. The adjustment is performed using a reference master. The apparatus is properly adjusted when a copy of the reference master meets specific criteria.
公开/授权文献
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