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    • 2. 发明申请
    • ALTERNATING SIGN
    • 交替标志
    • WO2008111024A2
    • 2008-09-18
    • PCT/IB2008/051003
    • 2008-03-17
    • CONTRA VISION LTD.HILL, G. Roland
    • HILL, G. Roland
    • G09F13/12
    • An alternating sign assembly includes a sheet of light permeable material comprising a front surface and a rear surface; a front design that includes a front design layer; a silhouette pattern including light-restricting imaging material, said front design being superimposed on or forming a part of the silhouette pattern, said silhouette pattern subdividing said sheet into a plurality of discrete areas of said imaging material and/or a plurality of discrete areas devoid of said imaging material; a switchable front source of artificial illumination of said front design; a rear design disposed rearwardly of the front design; and a switchable rear source of artificial illumination of said rear design. The sources of illumination may be alternately turned on to make the front and rear designs alternately visible to an observer in front of the assembly.
    • 交替标志组件包括一片透光材料,其包括前表面和后表面; 前设计包括前设计层; 包括光限制成像材料的剪影图案,所述前设计叠加在或形成剪影图案的一部分,所述剪影图案将所述片材细分成所述成像材料的多个离散区域和/或多个离散区域, 的所述成像材料; 所述前置设计的可切换的人造照明前源; 后设计设置在前设计的后面; 以及所述后部设计的人造照明的可切换的后部源。 照明源可以交替地接通,使得前面和后面的设计在组件前面的观察者交替地可见。