发明名称 |
DATA DISPLAY DEVICE |
摘要 |
The invention relates to a data display device including a light-guide element made of an optically transparent material having at least two polished surfaces faced to one another, whereby at least one surface contains at least one gravure forming a diffuse-reflective character, and a light source arranged close to the light-guide element to illuminate said character.
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申请公布号 |
CA2439226(C) |
申请公布日期 |
2011.08.30 |
申请号 |
CA20022439226 |
申请日期 |
2002.02.22 |
申请人 |
WYTEC HOLDING B.V. |
发明人 |
BURTSEV, VLADIMIR NIKOLAYEVICH;BURTSEV, VALERY NIKOLAYEVICH;STETSENKO, OLEKSANDR PETROVICH |
分类号 |
F21V8/00;G09F13/18;G02B6/00;G09F13/00;G09F13/32 |
主分类号 |
F21V8/00 |
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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