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    • 5. 发明申请
    • MACHINE-READABLE CODE FORMAT
    • 机器可读代码格式
    • US20080121727A1
    • 2008-05-29
    • US11564054
    • 2006-11-28
    • Gabriel IFTIMEPeter M. KAZMAIERPaul F. SMITHChristopher A. WAGNERHadi K. MAHABADITyler B. NORSTEN
    • Gabriel IFTIMEPeter M. KAZMAIERPaul F. SMITHChristopher A. WAGNERHadi K. MAHABADITyler B. NORSTEN
    • G06K19/06B31F1/07
    • G06K1/12G06K2019/06271
    • Disclosed is a machine readable cord of a set of printed markings, wherein each printed marking of the set has a predetermined height on a substrate and represents a predetermined date value, wherein printed markings having a same predetermined height represent a same data value, and wherein printed markings representing different data values have different heights. Also disclosed is a system for embedding and recovering information on a substrate, including an image forming device containing at least one marking material, wherein the image forming device receives data, corresponding to the information, for forming machine readable code in accordance with claim 1 on an image receiving substrate, and forms an image including the machine readable code on the image receiving substrate with the at least one marking material, and a document reading device comprising a reader that detects the differences in height among the different printed markings of the machine readable code.
    • 公开了一组印刷标记的机器可读线,其中该组的每个印刷标记在基板上具有预定高度并且表示预定日期值,其中具有相同预定高度的印刷标记表示相同的数据值,并且其中 表示不同数据值的打印标记具有不同的高度。 还公开了一种用于在基板上嵌入和恢复信息的系统,包括包含至少一个标记材料的图像形成装置,其中图像形成装置接收对应于根据权利要求1所述的用于形成机器可读代码的信息的数据, 图像接收基板,并且利用所述至少一个标记材料在所述图像接收基板上形成包括所述机器可读代码的图像,以及文档读取装置,其包括读取器,所述读取器检测所述机器可读介质的不同打印标记之间的高度差异 码。
    • 7. 发明申请
    • REIMAGEABLE PAPER PROTECTED AGAINST UV LIGHT
    • 防紫外线防晒纸
    • US20080311496A1
    • 2008-12-18
    • US11762152
    • 2007-06-13
    • Gabriel IFTIMEHadi K. MAHABADIPeter M. KAZMAIER
    • Gabriel IFTIMEHadi K. MAHABADIPeter M. KAZMAIER
    • G03G13/24G03G15/04G03G5/00
    • G03C1/73
    • An image forming medium includes a substrate; an imaging layer including an imaging material coated on said substrate, wherein the imaging material exhibits a reversible transition between a colorless state and a colored state; and a protective layer over the imaging layer, the protection layer including dipolar molecules that can be reversibly switch between a UV light transmission state and a UV light absorption state, wherein the dipolar molecules in their random orientation absorb in substantially the same spectral region as the imaging material in its un-imaged state, and wherein the imaging layer is imageable by ultraviolet light when the dipolar molecules are in the UV light transmission state, but the imaging layer is substantially not imageable by ultraviolet light when the dipolar molecules are in the UV light absorption state.
    • 图像形成介质包括基板; 成像层,其包括涂覆在所述基板上的成像材料,其中所述成像材料在无色状态和着色状态之间呈现可逆转变; 以及在成像层上的保护层,保护层包括可以在UV光透射​​状态和UV光吸收状态之间可逆地切换的偶极子分子,其中它们的随机取向中的偶极子分子吸收与基本上相同的光谱区域 成像材料处于未成像状态,并且其中当偶极子分子处于UV光透射​​状态时,成像层可通过紫外光成像,但是当偶极子分子处于UV时,成像层基本上不能通过紫外光成像 光吸收状态。