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.
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
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