发明名称 |
VERÄNDLICHE GRAPHIK UND VERFAHREN ZU IHRER HERSTELLUNG UND VERWENDUNG |
摘要 |
<p>A backlit sign and its method of making and usage is disclosed. The sign has a translucent film with a first image, of color, a light-filtering film with a second image of color or of a graphic, and a masking film with a third image of a graphic. The order of assembly of the films determines whether a change of color or a change in graphics or both is achieved when the assembled sign is backlit.</p> |
申请公布号 |
DE69720807(T2) |
申请公布日期 |
2004.03.11 |
申请号 |
DE1997620807T |
申请日期 |
1997.06.03 |
申请人 |
MINNESOTA MINING & MANUFACTURING COMPANY, ST. PAUL |
发明人 |
SCHWIETZ, T. |
分类号 |
G09F13/12;G09F13/10;G09F19/12;(IPC1-7):G09F13/04 |
主分类号 |
G09F13/12 |
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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