发明名称 |
Data display device |
摘要 |
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 |
US2004114344(A1) |
申请公布日期 |
2004.06.17 |
申请号 |
US20040468962 |
申请日期 |
2004.01.23 |
申请人 |
BURTSEV VLADIMIR NIKOLAYEVICH;BURTSEV VALERY NIKOLAYEVICH;STETSENKO OLEKSANDR PETROVICH |
发明人 |
BURTSEV VLADIMIR NIKOLAYEVICH;BURTSEV VALERY NIKOLAYEVICH;STETSENKO OLEKSANDR PETROVICH |
分类号 |
G09F13/18;F21V8/00;G02B6/00;G09F13/00;G09F13/32;(IPC1-7):F21V7/04 |
主分类号 |
G09F13/18 |
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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