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    Document with invisible encoded information and method of making the same
    4.
    发明授权
    Document with invisible encoded information and method of making the same 有权
    具有隐形编码信息的文档和制作相同的方法

    公开(公告)号：US08083264B2

    公开(公告)日：2011-12-27

    申请号：US12029065

    申请日：2008-02-11

    申请人： Gabriel Iftime ,  Peter M. Kazmaier ,  Paul F. Smith ,  Kurt I. Halfyard

    发明人： Gabriel Iftime ,  Peter M. Kazmaier ,  Paul F. Smith ,  Kurt I. Halfyard

    IPC分类号： B42D15/00 ,  G06K19/06

    CPC分类号： B42D25/29 ,  B42D25/382

    摘要： A document includes a paper substrate having an average surface roughness of at least about 0.5 microns, wherein the paper substrate includes encoded information printed thereon, and wherein the encoded information is printed with an ink comprised of light absorbing material that absorbs light only at wavelengths below 350 nm and an optional clear binder in a solvent. The encoded information is substantially not detectable to a naked human eye through differential gloss or exposure to light having wavelengths of 365 nm or more, and is only revealed upon exposing the document to light having a wavelength at which the light absorbing material absorbs light, which is less than 350 nm.

    摘要翻译： 文件包括具有至少约0.5微米的平均表面粗糙度的纸基材，其中纸基材包括印刷在其上的编码信息，并且其中编码信息用包含吸光材料的油墨印刷，所述吸光材料仅在低于 350nm，在溶剂中可以使用任选的透明粘合剂。 通过差别光泽或暴露于波长为365nm以上的光，裸眼人体基本上不能检测到编码信息，并且仅在将文件暴露于光吸收材料吸收光的波长的光时才显现， 小于350nm。

    Security system using conductive and non-conductive regions
    7.
    发明授权
    Security system using conductive and non-conductive regions 有权
    使用导电和非导电区域的安全系统

    公开(公告)号：US07918485B2

    公开(公告)日：2011-04-05

    申请号：US11563989

    申请日：2006-11-28

    申请人： Gabriel Iftime ,  Yiliang Wu ,  Paul F. Smith ,  Peter M. Kazmaier ,  Beng S. Ong

    发明人： Gabriel Iftime ,  Yiliang Wu ,  Paul F. Smith ,  Peter M. Kazmaier ,  Beng S. Ong

    IPC分类号： B42D15/00 ,  B42D1/00 ,  B42D15/10

    CPC分类号： B41J29/393 ,  G06K19/067 ,  Y10S283/901

    摘要： Disclosed is an item, for example a document, including a substrate having thereon a multiplicity of separate printed markings, wherein the printed markings include both conductive printed markings and substantially non-conductive printed markings. The different conductive and substantially non-conductive regions on the substrate can be detected, for example by measuring the resistance or current of each printed marking. The pattern of different conductive and substantially non-conductive regions can be used as a security pattern of authenticity that cannot be replicated by standard office equipment, and/or can be used to encrypt information in binary code form in the item. A system for forming and detecting the different printed markings is also described.

    摘要翻译： 公开了一种物品，例如文件，包括其上具有多个分开的印刷标记的基板，其中印刷的标记包括导电印刷标记和基本不导电的印刷标记。 可以例如通过测量每个印刷标记的电阻或电流来检测衬底上不同的导电和基本不导电的区域。 可以将不同的导电和基本上不导电的区域的图案用作标准办公设备不能复制的真实性的安全模式，和/或可用于加密该项目中二进制代码形式的信息。 还描述了用于形成和检测不同印刷标记的系统。

    Reverse write erasable paper
    9.
    发明授权
    Reverse write erasable paper 有权
    反写可擦写纸

    公开(公告)号：US07811741B2

    公开(公告)日：2010-10-12

    申请号：US12391499

    申请日：2009-02-24

    申请人： Peter M. Kazmaier ,  Eric Shrader ,  Kentaro Morimitsu ,  Tyler Norsten ,  Gabriel Iftime ,  Fazilia Seker ,  Naveen Chopra

    发明人： Peter M. Kazmaier ,  Eric Shrader ,  Kentaro Morimitsu ,  Tyler Norsten ,  Gabriel Iftime ,  Fazilia Seker ,  Naveen Chopra

    IPC分类号： G03F7/00 ,  G03F7/004 ,  G03F7/20

    CPC分类号： G03C1/685 ,  G03C1/73

    摘要： An image-forming medium and methods for forming and imaging the medium are provided. The disclosed medium can be strongly colored under room illumination (or deliberate UV) and can be selectively discolored at an appropriate light wavelength to form an image. In one embodiment, the image-forming medium can include a substrate (e.g., a sheet of paper), a photochromic material incorporated with the substrate, and a photo-absorbing material incorporated with the photochromic material. Exemplary methods for using the image-forming medium to make a transient image can include first forming the image-forming medium by applying a coating solution containing photochromic material to the substrate or paper. The image-forming medium can have a medium color and can then be selectively exposed to a radiation through a mask to convert the photochromic material from a colored form to a colorless form and thus to form an image having a color contrast with its background.

    摘要翻译： 提供了一种图像形成介质以及用于形成和成像介质的方法。 所公开的介质可以在室内照明（或有意识的UV）下强烈着色，并且可以在适当的光波长下选择性地变色以形成图像。 在一个实施例中，图像形成介质可以包括基底（例如，一张纸），与基底结合的光致变色材料以及与光致变色材料结合的光吸收材料。 使用图像形成介质进行瞬时图像的示例性方法可以包括首先通过将含有光致变色材料的涂布溶液涂布到基材或纸上来形成图像形成介质。 图像形成介质可以具有中等颜色，然后可以通过掩模选择性地暴露于辐射，以将光致变色材料从有色形式转变成无色形式，并因此形成具有背景色彩对比度的图像。

    Reimageable printing member
    10.
    发明授权
    Reimageable printing member 失效
    可重印印刷部件

    公开(公告)号：US07762188B2

    公开(公告)日：2010-07-27

    申请号：US11239212

    申请日：2005-09-30

    申请人： Gabriel Iftime ,  Paul F. Smith ,  Peter M. Kazmaier ,  Hadi K. Mahabadi

    发明人： Gabriel Iftime ,  Paul F. Smith ,  Peter M. Kazmaier ,  Hadi K. Mahabadi

    IPC分类号： B41N1/00

    CPC分类号： B41N1/00 ,  B41M1/02

    摘要： A reimageable printing member such as for use in flexography, includes a layer having a multiplicity of holes, wherein the holes include therein a dimension change material and a printing material upon the dimension change material. Thus, the holes house vertically expandable units, the top portion of which is capable of protruding out of an opening of the hole at a top surface of the layer. Each of the holes may be individually addressed to provide a stimulus that initiates a change in dimension in the dimension change material. In this manner, selected ones of the units may be made to print a corresponding portion of an image on an image receiving substrate brought into contact with the printing member.

    摘要翻译： 诸如用于柔版印刷的可再成像的印刷构件包括具有多个孔的层，其中在其上包括尺寸变化材料的孔和在尺寸变化材料上的印刷材料。 因此，孔容纳垂直可膨胀单元，其顶部能够在层的顶表面处从孔的开口突出。 每个孔可以被单独寻址以提供启动尺寸变化材料中的尺寸变化的刺激。 以这种方式，可以使所选择的单元打印在与打印部件接触的图像接收基板上的图像的对应部分。