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公开(公告)号：US09094595B2
公开(公告)日：2015-07-28
申请号：US13755329
申请日：2013-01-31
CPC分类号： H04N5/2254 , G06K7/10 , G07D7/005 , G07D7/12
摘要： A system for authenticating an object includes a label (12) with invisible indicia (14) on the object which rotates a polarization of incident light; a digital camera (18) having a light source (20), an image sensor (22), a first polarizing filter (24) having a first orientation, and a second polarizing filter (26) having a second orientation orthogonal to the first orientation; illuminating the label with light from the light source through the first linear polarizer; forming an image with the image sensor using reflected light from the label wherein the reflected light passes through the second polarizer prior to reaching the sensor; wherein the second linear polarizer makes the invisible indicia visible; and authenticating the object.
摘要翻译： 用于认证对象的系统包括在物体上具有使入射光的偏振旋转的不可见标记（14）的标签（12）; 具有光源（20）的数字照相机（18），图像传感器（22），具有第一取向的第一偏振滤光器（24）和具有与第一取向正交的第二取向的第二偏光滤光器 ; 用来自光源的光通过第一线性偏振器照射标签; 使用来自标签的反射光与图像传感器形成图像，其中反射光在到达传感器之前穿过第二偏振器; 其中所述第二线性偏振器使所述不可见标记可见; 并验证该对象。
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公开(公告)号：US08493479B2
公开(公告)日：2013-07-23
申请号：US13094973
申请日：2011-04-27
IPC分类号： H04N5/217
CPC分类号： G06K9/00577 , G07D7/2008
摘要： A method of eliminating background noise from a system for authenticating security markers includes capturing an image of a background of the security marker; illuminating the security marker; capturing a plurality of images of the optical response of the security marker; averaging the plurality of optical response images; smoothing the background image; and subtracting the smoothed background image from the average of the plurality of optical response images.
摘要翻译： 一种从用于认证安全标记的系统中消除背景噪声的方法包括捕获安全标记的背景的图像; 照亮安全标记; 捕获安全标记的光学响应的多个图像; 对所述多个光学响应图像进行平均; 平滑背景图像; 以及从所述多个光学响应图像的平均值中减去平滑的背景图像。
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公开(公告)号：US08398888B2
公开(公告)日：2013-03-19
申请号：US13371718
申请日：2012-02-13
申请人： Myra T. Olm , Thomas D. Pawlik , Erwin L. Allmann
发明人： Myra T. Olm , Thomas D. Pawlik , Erwin L. Allmann
CPC分类号： G07D7/2041 , B41M3/144
摘要： A security marker material comprising emissive particles selected from at least two groups with different size distributions and the size distributions satisfy the formula: [(x−z)2/(Sx2+Sz2)]1/2>1 wherein x and z are the volume-weighted mean equivalent-spherical diameters of the two particle distributions and Sx and Sz are the standard deviations of the same two distributions.
摘要翻译： 包括选自具有不同尺寸分布的至少两个组的发射颗粒和尺寸分布的安全性标记材料满足以下公式：[（x-z）2 /（Sx2 + Sz2）] 1/2> 1其中x和z是 两个粒子分布的体积加权平均当量球直径和Sx和Sz是相同两个分布的标准偏差。
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公开(公告)号：US08336984B2
公开(公告)日：2012-12-25
申请号：US12871068
申请日：2010-08-30
申请人： Mark C. Rzadca , Thomas D. Pawlik
发明人： Mark C. Rzadca , Thomas D. Pawlik
IPC分类号： B41J29/38
CPC分类号： B41J11/44
摘要： An inkjet printer includes a paper tray for holding print media; a pick roller for moving the print media through a paper transport path; and an encoder disk, which senses motion of the print media, disposed in the paper transport path and in direct contact with the print media as the print media passes through the paper transport path.
摘要翻译： 喷墨打印机包括用于保持打印介质的纸盘; 用于通过纸张传送路径移动打印介质的拾取辊; 以及编码器盘，其感测布置在纸张传送路径中并随着打印介质通过纸张传送路径与打印介质直接接触的打印介质的运动。
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公开(公告)号：US20120306958A1
公开(公告)日：2012-12-06
申请号：US13118805
申请日：2011-05-31
IPC分类号： B41J29/393
CPC分类号： B41J11/009
摘要： A method for determining a variance of a sensor in inkjet printers comprising maintaining a printer carriage at a stationary position; illuminating a media patch of known characteristics with a light source that varies an intensity of the light between at least a first and second intensity, in which the second intensity is different from the first intensity; obtaining an amount of light transmitted through the media patch by measuring a signal from a photo-detector during the illumination; and comparing the amount of received light to stored target values to determine a variation of the sensor response for forming a correction factor; and using the correction factor to calibrate at least a first signal of the inkjet printer.
摘要翻译： 一种用于确定喷墨打印机中的传感器的方差的方法，包括将打印机托架保持在静止位置; 用光源照射具有已知特性的介质贴片，所述光源在至少第一和第二强度之间改变光的强度，其中第二强度不同于第一强度; 通过在照明期间测量来自光检测器的信号来获得透过介质贴片的光量; 以及将接收的光量与存储的目标值进行比较，以确定用于形成校正因子的传感器响应的变化; 以及使用所述校正因子来校准所述喷墨打印机的至少第一信号。
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公开(公告)号：US08223348B2
公开(公告)日：2012-07-17
申请号：US12332648
申请日：2008-12-11
申请人： Thomas D. Pawlik , Yang Shi , David J. Glacherio , John S. Badger
发明人： Thomas D. Pawlik , Yang Shi , David J. Glacherio , John S. Badger
CPC分类号： B41J11/009 , B41J2/1752 , B41J2/1753 , G03G15/6508 , G03G2215/00616 , G03G2215/00751
摘要： A printing system includes a media input location for storing a recording medium prior to transport within the printing system for subsequent printing; a light source directed toward an extended region of the media input location; an array of photosensors restricted to only a substantially perpendicular movement relative to a plane of the media input location; and an optical path including a first optical path section from the light source to the extended region of the media input location and a second optical path section from the extended region of the media input location to the array of photosensors.
摘要翻译： 打印系统包括用于在打印系统内传送之前存储记录介质以用于随后打印的介质输入位置; 指向所述媒体输入位置的扩展区域的光源; 光传感器阵列仅限于相对于介质输入位置的平面的基本上垂直的运动; 以及光路，其包括从介质输入位置的光源到扩展区域的第一光路部分和从介质输入位置的延伸区域到光电传感器阵列的第二光路部分。
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公开(公告)号：US08153984B2
公开(公告)日：2012-04-10
申请号：US12337752
申请日：2008-12-18
申请人： Myra T. Olm , Thomas D. Pawlik , Erwin L. Allmann
发明人： Myra T. Olm , Thomas D. Pawlik , Erwin L. Allmann
CPC分类号： G07D7/2041 , B41M3/144
摘要： A security marker material comprising emissive particles selected from at least two groups with different size distributions and the size distributions satisfy the formula: [(x−z)2/(Sx2 +Sz2)]1/2 >1 wherein x and z are the volume-weighted mean equivalent-spherical diameters of the two particle distributions and Sx and Sz are the standard deviations of the same two distributions. The emissive materials are placed in or on an item. The emissive materials are excited with electromagnetic radiation in one or more specified spectral bands. The electromagnetic radiation is detected in one or more spectral bands from the emissive materials in an image-wise fashion. The attributes of the image are analyzed and characterized and are compared to authentication criteria to determine the authenticity of the marked item.
摘要翻译： 包括选自具有不同尺寸分布的至少两个组的发射颗粒和尺寸分布的安全性标记材料满足以下公式：[（x-z）2 /（Sx2 + Sz2）] 1/2> 1其中x和z是 两个粒子分布的体积加权平均当量球直径和Sx和Sz是相同两个分布的标准偏差。 发射材料放置在物品中或上。 发射材料在一个或多个指定光谱带中用电磁辐射激发。 以成像方式从发射材料的一个或多个光谱带中检测电磁辐射。 对图像的属性进行分析和表征，并将其与认证标准进行比较，以确定标记项目的真实性。
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公开(公告)号：US20120050371A1
公开(公告)日：2012-03-01
申请号：US12871068
申请日：2010-08-30
申请人： Mark C. Rzadca , Thomas D. Pawlik
发明人： Mark C. Rzadca , Thomas D. Pawlik
IPC分类号： B41J29/38
CPC分类号： B41J11/44
摘要： An inkjet printer includes a paper tray for holding print media; a pick roller for moving the print media through a paper transport path; and an encoder disk, which senses motion of the print media, disposed in the paper transport path and in direct contact with the print media as the print media passes through the paper transport path.
摘要翻译： 喷墨打印机包括用于保持打印介质的纸盘; 用于通过纸张传送路径移动打印介质的拾取辊; 以及编码器盘，其感测布置在纸张传送路径中并随着打印介质通过纸张传送路径与打印介质直接接触的打印介质的运动。
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公开(公告)号：US20150028227A1
公开(公告)日：2015-01-29
申请号：US13949312
申请日：2013-07-24
申请人： Thomas D. Pawlik , Judith A. Bose
发明人： Thomas D. Pawlik , Judith A. Bose
IPC分类号： G06K19/06
CPC分类号： G06K19/06112 , B42D25/00 , B42D25/29 , B42D25/387 , G06K19/0614 , G07D7/12 , G07D7/202
摘要： A system of authenticating an item with a security mark includes a substrate (100); wherein the security mark is printed on the substrate with invisible ultraviolet (UV) absorbing ink (102); a coating comprised of UV fluorescent varnish (104) applied over the security mark and substrate; wherein an area comprising the security mark and coating with is illuminated with UV light; wherein a reduced fluorescence image of the security mark is identified; wherein the reduced fluorescence image is compared with the security mark; and wherein the item is authenticated if the reduced fluorescence image matches the security mark.
摘要翻译： 一种用安全标记认证物品的系统包括：基底（100）; 其中所述安全标记用不可见的紫外线（UV）吸收墨水（102）印刷在所述基底上; 由涂覆在安全标记和基材上的UV荧光漆（104）组成的涂层; 其中包括安全标记和涂层的区域用UV光照射; 其中识别出安全标记的减少的荧光图像; 其中所述减少的荧光图像与所述安全标记进行比较; 并且其中如果所述减少的荧光图像与所述安全标记匹配，则所述物品被认证。
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公开(公告)号：US08937712B2
公开(公告)日：2015-01-20
申请号：US13587119
申请日：2012-08-16
CPC分类号： G06K9/74 , B41M3/144 , G01N21/6408 , G01N21/643 , G07C9/00 , G07D7/1205 , G07D7/2083
摘要： A method of enabling an authenticating device (10) includes providing an enabling target (17); measuring one or more attributes of the enabling target with the authenticating device; comparing at least one measured attribute with a predetermined expected value; enabling the authenticating device when the at least one measured attribute matches the predetermined expected value; and operating the authenticating device.
摘要翻译： 一种启用认证设备（10）的方法包括提供启用目标（17）; 使用认证设备测量启用目标的一个或多个属性; 将至少一个测量属性与预定的预期值进行比较; 当所述至少一个测量属性与所述预定期望值匹配时，启用所述认证设备; 并操作认证设备。
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