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    • 2. 发明授权
    • Secure identification documents
    • 安全身份证明文件
    • US08448991B2
    • 2013-05-28
    • US12281486
    • 2006-03-17
    • Paul BaxterWim Tappij Gielen
    • Paul BaxterWim Tappij Gielen
    • B42D15/00G09C3/00
    • B42D25/435B42D25/00B42D25/21B42D25/41B42D2035/06B42D2035/50
    • Improvements that prevent tampering of images on identification documents for example identity cards, credit cards and the like, and passports. The document includes a full color image of a person, and a second, full, achromatic image of the person formed underneath and spaced from the color image and in congruence therewith using a laser. The second full image is not visible underneath the first full image during normal viewing of the document, and is only visible upon removal of all or a portion of the first full image. As a result, the document and the image have no outwardly apparent visual difference to the document holder or to a would-be counterfeiter. This provides a covert security feature that is not known or seen until the document is attacked by removing the first full image.
    • 防止身份证,信用卡等身份证件上的图像被篡改的改进以及护照。 该文件包括人的全彩色图像和形成在彩色图像下面并与彩色图像间隔开的人的第二,全部,无色图像,并且使用激光与其一致。 在正常观看文档时,第二个完整图像在第一个完整图像的下方是不可见的,只有在删除了第一个完整图像的全部或一部分时才可见。 因此,文件和图像与文件夹或假冒伪造者没有明显的视觉差异。 这提供了一个秘密的安全功能,直到文档被删除第一个完整的图像被攻击才知道或看不到。
    • 4. 发明申请
    • SECURE IDENTIFICATION DOCUMENTS
    • 安全认证文件
    • US20090039643A1
    • 2009-02-12
    • US12281486
    • 2006-03-17
    • Paul BaxterWim Tappij Gielen
    • Paul BaxterWim Tappij Gielen
    • B42D15/00
    • B42D25/435B42D25/00B42D25/21B42D25/41B42D2035/06B42D2035/50
    • Improvements that prevent tampering of images on identification documents for example identity cards, credit cards and the like, and passports. The document includes a full color image of a person, and a second, full, achromatic image of the person formed underneath and spaced from the color image and in congruence therewith using a laser. The second full image is not visible underneath the first full image during normal viewing of the document, and is only visible upon removal of all or a portion of the first full image. As a result, the document and the image have no outwardly apparent visual difference to the document holder or to a would-be counterfeiter. This provides a covert security feature that is not known or seen until the document is attacked by removing the first full image.
    • 防止身份证,信用卡等身份证件上的图像被篡改的改进以及护照。 该文件包括人的全彩色图像和形成在彩色图像下面并与彩色图像间隔开的人的第二,全部,无色图像,并且使用激光与其一致。 在正常观看文档时,第二个完整图像在第一个完整图像的下方是不可见的,只有在删除了第一个完整图像的全部或一部分时才可见。 因此,文件和图像与文件夹或假冒伪造者没有明显的视觉差异。 这提供了一个秘密的安全功能,直到文档被删除第一个完整的图像被攻击才知道或看不到。