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    • 3. 发明授权
    • Dual use reflective article
    • 双用反光制品
    • US6120879A
    • 2000-09-19
    • US58386
    • 1998-04-09
    • Theodore J. SzczechToshitaka NakajimaMark D. Fiegen
    • Theodore J. SzczechToshitaka NakajimaMark D. Fiegen
    • G02B5/124G09F13/04G09F13/16B32B3/00
    • G09F13/16G02B5/124G09F2013/0472Y10S428/913Y10T428/24479
    • A reflective article has a structured surface which includes a first and second array of reflective elements. The first array includes elements which have at least a first, second, and third reflecting face arranged to retroreflect incident light in a retroreflected beam. The second array includes elements which have at least a fourth, fifth, and sixth reflecting face arranged to reflect incident light in a second beam at an observation angle greater than 2 degrees. In signing applications, the second beam can be light originating from a stationary light source, the second beam having a direction and beam width suitable for illuminating an observation zone of interest. The retroreflected beam can be light originating from a moving light source such as a vehicle headlamp. Sheeting comprising such an article can be used both where external lighting from a suitable stationary light source is available and where it is not available.
    • 反射制品具有包括反射元件的第一和第二阵列的结构化表面。 第一阵列包括具有至少第一,第二和第三反射面的元件,其布置成回射反射光束中的入射光。 第二阵列包括具有至少第四,第五和第六反射面的元件,其布置成以大于2度的观察角度反射第二光束中的入射光。 在签名申请中,第二光束可以是源自固定光源的光,第二光束具有适于照亮感兴趣观察区的方向和光束宽度。 回射光束可以是来自诸如车辆前照灯的移动光源的光。 包括这样的物品的片材可以用于来自合适的固定光源的外部照明可用并且其不可用的地方。