发明名称 |
ROAD GUIDANCE DISPLAY DEVICE AND LIGHTING DEVICE |
摘要 |
<P>PROBLEM TO BE SOLVED: To provide a light projection device 11 capable of improving visibility of light 22 even in bad weather and guiding and displaying a boundary 30 of a roadway 28 and a shoulder 29 of a road 27 securely. <P>SOLUTION: The light projection device 11 is provided with a light projection part 21 having a lamp and a lens for converging light of the lamp. Light 22 from the light projection part 21 passes through a light guide device 40 and projects the light 22 on a road surface 27a, thereby applying beam of sharper light. A side face of the light guide device 40 is simultaneously lighted to allow a driver to confirm the light guide device at time other than bad weather time and be informed of the boundary of the road. <P>COPYRIGHT: (C)2005,JPO&NCIPI |
申请公布号 |
JP2005009072(A) |
申请公布日期 |
2005.01.13 |
申请号 |
JP20030170710 |
申请日期 |
2003.06.16 |
申请人 |
TOSHIBA LIGHTING & TECHNOLOGY CORP |
发明人 |
ISHIWATARI TOMOKO;ICHIJO TAKASHI;OGAWA KOZO;KOJIMA HIROYUKI |
分类号 |
E01F9/053;G09F13/00;G09F13/16;G09F19/22 |
主分类号 |
E01F9/053 |
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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