发明名称 Road indication device
摘要 A road indication device is provided. The road-guidance indicating device has a light projection unit including light control means for controlling a lamp and light emitted from the lamp. The light projection unit project a light whose peak luminosity is 30000 cd or more, i.e., the light has a luminosity equal to or larger than a peak luminosity of a headlight of a car running on the road. Since a light pillar of light having a high light output and a thick light pillar is projected from the light projection unit, the visuality of the light pillar is improved even in the bad weather and the boundary between the driveway and the shoulder on the road can be affirmatively guided and indicated.
申请公布号 US7163325(B2) 申请公布日期 2007.01.16
申请号 US20040847762 申请日期 2004.05.17
申请人 TOSHIBA LIGHTING & TECHNOLOGY CORPORATION 发明人 KOJIMA HIROYUKI;ISHIWATA TOMOKO;ICHIJO TAKASHI;OGAWA KOZO;TAKANO YASUHARU
分类号 B60Q1/26;F21S8/00;F21V7/00;G09F19/18 主分类号 B60Q1/26
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