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    • 41. 发明申请
    • TAG MARKING
    • 标记标记
    • WO02043034A1
    • 2002-05-30
    • PCT/NZ2001/000261
    • 2001-11-21
    • G09F3/02A01K11/00B41M5/26B41M7/00G06K1/12G09F3/00G06K19/00G06K19/14B29C59/16
    • G06K1/126A01K11/001B41M5/267
    • A plastic product such an animal ear tag (1) is laser marked with indicia (2). The contrast between the indicia (2) and the surrounding surface of the tag (1) is enhanced by the heated of the indicia following laser marking to a temperature at which the indicia and the surrounding surface have melted. In the preferred embodiment the indicia (2) is provided as a raised surface (3) and with a plurality of spaced apart peaks (4) with gaps (6) therebetween. The heating of the tag (1) is preferably by the application of a hot plate to the indicia surface of the tag and simultaneaouly or subsequently to the non-indicia surface of the tag.
    • 塑料制品如动物耳标(1)用激光标记(2)。 标记(2)和标签(1)的周围表面之间的对比度通过将激光标记之后的标记加热到标记和周围表面熔化的温度来增强。 在优选实施例中,标记(2)被提供为凸起表面(3),并且具有多个具有间隙(6)的间隔开的峰(4)。 标签(1)的加热优选通过将热板施加到标签的标记表面上,同时或随后到标签的非标记表面。
    • 44. 发明申请
    • OPTICAL SWITCHING BY CONTROLLABLE FRUSTRATION OF TOTAL INTERNAL REFLECTION
    • 通过可控内部反射的可变图案进行光学切换
    • WO0137627A3
    • 2001-11-08
    • PCT/CA0001379
    • 2000-11-20
    • UNIV BRITISH COLUMBIA
    • WHITEHEAD LORNE ACOOPE ROBIN JOHN NOELKOTLICKI ANDRZEJ
    • G02B26/08B29C35/08B29C59/16B29D11/00C08J5/00G02B26/02G02F1/01G02F1/19G09F9/37
    • B29C59/16B29C2035/0827B29K2021/00G02B26/02G09F9/372
    • An optical switch for controllably switching an interface (12) between a reflective state in which incident light (14A) undergoes total internal reflection and a non-reflective state in which total internal reflection is prevented. In one such switch an elastomeric dielectric (10) has a stiffened surface portion (18). An applied voltage moves the stiffened surface portion into optical contact with the interface, producing the non-reflective state. In the absence of a voltage the separator moves the stiffened surface portion away from optical contact with the interface, producing the reflective state. In another such switch a cell (40) contains a fluid (42). One side of the cell forms the light incident interface (54). A membrane (44) is suspended in the fluid. Application of appropriate voltages can move the membrane either into optical contact with the interface, producing the non-reflective state, or away from optical contact with the interface, producing the reflective state.
    • 一种用于在入射光(14A)经历全内反射的反射状态和防止全内反射的非反射状态之间可控地切换接口(12)的光开关。 在一个这样的开关中,弹性体电介质(10)具有加强的表面部分(18)。 施加的电压使加强的表面部分与界面光学接触,产生非反射状态。 在没有电压的情况下,分离器使加强的表面部分远离与界面的光学接触,产生反射状态。 在另一个这样的开关中,电池(40)包含流体(42)。 单元的一侧形成光入射界面(54)。 膜(44)悬浮在流体中。 施加适当的电压可以将膜移动到与界面的光学接触,产生非反射状态或远离与界面的光学接触,产生反射状态。