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    Sensors and methods for determining whether an item has been exposed to an environmental condition
    6.
    发明授权
    Sensors and methods for determining whether an item has been exposed to an environmental condition 有权
    用于确定物品是否已经暴露于环境条件的传感器和方法

    公开(公告)号：US08304747B2

    公开(公告)日：2012-11-06

    申请号：US12557130

    申请日：2009-09-10

    申请人： Tom Kavassalis ,  Peter M. Kazmaier ,  Gabriel Iftime ,  Kentaro Morimitsu ,  Adela Goredema

    发明人： Tom Kavassalis ,  Peter M. Kazmaier ,  Gabriel Iftime ,  Kentaro Morimitsu ,  Adela Goredema

    IPC分类号： G01J1/38

    CPC分类号： G01J1/50 ,  G01K3/04 ,  G01K11/12

    摘要： A method for determining whether an item has been exposed to an environmental condition during a monitoring period. The method includes placing a sensor at least in proximity to the item at the beginning of the monitoring period so that the sensor will be exposed to a level of an environmental condition that can be correlated to an exposure level of the item to the environmental condition; reading the sensor; and determining from reading the sensor whether the item has been exposed to the environmental condition. The sensor includes a detecting material comprising a photochromic or photothermochromic material, the detecting material selected so that upon exposure to the environmental condition the detecting material exhibits a detectable color change.

    摘要翻译： 一种用于在监视期间确定物品是否已经暴露于环境条件的方法。 该方法包括在监测周期开始时将传感器至少放置在物品附近，使得传感器将暴露于可以将物品的曝光水平与环境条件相关联的环境条件的水平; 读传感器; 并且从读取传感器确定物品是否已经暴露于环境条件。 传感器包括检测材料，其包括光致变色或光致变色材料，所述检测材料被选择为使得当暴露于环境条件时，检测材料表现出可检测的颜色变化。

    Stabilized photochromic ink for reusable paper annotation
    8.
    发明授权
    Stabilized photochromic ink for reusable paper annotation 有权
    稳定的光致变色墨水，用于可重复使用的纸张注释

    公开(公告)号：US08545738B2

    公开(公告)日：2013-10-01

    申请号：US12854418

    申请日：2010-08-11

    申请人： Peter M. Kazmaier ,  Gabriel Iftime ,  Kentaro Morimitsu ,  Adela Goredema

    发明人： Peter M. Kazmaier ,  Gabriel Iftime ,  Kentaro Morimitsu ,  Adela Goredema

    IPC分类号： G02B5/23 ,  B41J2/175

    CPC分类号： C09D11/50 ,  G03C1/73

    摘要： Provided are ink compositions, methods for making photochromic inks, and methods of using the photochromic inks for erasable media annotation. In accordance with various embodiments, there is an ink composition including a carrier medium and one or more photochromic species in the carrier medium, wherein each of the one or more photochromic species can be selected from the group consisting of monomeric photochromic molecules, photochromic oligomers, and photochromic polymers, and wherein each one of the one or more photochromic species exhibits a reversible transition from a colorless state to a colored state upon exposure to a radiant condition wherein the radiant condition can be selected from the group consisting of a radiant energy and a combination of a radiant energy and thermal energy.

    摘要翻译： 提供油墨组合物，制备光致变色油墨的方法以及使用光致变色油墨进行可擦除介质注释的方法。 根据各种实施方案，存在在载体介质中包含载体介质和一种或多种光致变色物质的油墨组合物，其中所述一种或多种光致变色物质中的每一种可以选自单体光致变色分子，光致变色低聚物， 和光致变色聚合物，并且其中所述一种或多种光致变色物质中的每一种在暴露于辐射状态时表现出从无色状态到着色状态的可逆转变，其中辐射条件可以选自辐射能和 辐射能和热能的组合。