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    • 1. 发明申请
    • Method and system for protecting privacy of signature on mail ballot utilizing optical shutter
    • 利用光学快门在邮件投票上保护签名隐私的方法和系统
    • US20080121680A1
    • 2008-05-29
    • US11521678
    • 2006-09-15
    • Douglas B. QuineFrederick W. Ryan
    • Douglas B. QuineFrederick W. Ryan
    • B65D27/04
    • B65D27/04B65D27/00
    • Methods and systems that protect the privacy of signatures on envelopes containing ballots sent through the mail are provided. The envelope for returning ballots by mail includes an electronic optical shutter that covers an opening in the flap of the envelope. The voter signs the back of the envelope in an area that will be visible through the opening in the flap (covered by the optical shutter) when the envelope flap is sealed. The optical shutter is opaque under static conditions, but will become transparent when power is supplied to it. When the envelope flap is sealed and no power is applied to the optical shutter, the voter's signature will be concealed by the optical shutter. Upon receipt at the registrar's office, the optical shutter can be powered, thereby rendering the optical shutter transparent, and the voter's signature can be viewed.
    • 提供了通过邮件发送的包含选票的信封上保护签名隐私的方法和系统。 用于通过邮件返回选票的信封包括覆盖信封的翻盖中的开口的电子光学快门。 投票人在信封盖被密封时,通过翼片中的开口(由光学快门盖住)可见的区域中的信封背面。 光学快门在静态条件下是不透明的,但在向其提供电力时将变得透明。 当信封瓣被密封并且没有电力施加到光学快门时,选举者的签名将被光学快门隐藏。 在登记处办公室收到后,光闸可以通电,从而使光学快门透明,并可以查看选民的签名。
    • 5. 发明申请
    • Method for printing two dimensional barcodes to reduce reading errors
    • 打印二维条形码以减少阅读错误的方法
    • US20080054080A1
    • 2008-03-06
    • US11511790
    • 2006-08-29
    • Robert A. CorderyFrederick W. RyanClaude Zeller
    • Robert A. CorderyFrederick W. RyanClaude Zeller
    • G06K19/06
    • G06K19/06037
    • A method of printing modules for a two dimensional barcode that includes printing a pixel at a plurality of the pixel locations included in the inner portion of the darkened module, and printing a pixel at less than all of the pixel locations of the outer boundary of the darkened module. Various embodiments are contemplated, such as, without limitation, methods that print darkened modules having four light corners, three light corners, two light corners, one light corner, and/or one light edge. Also, a method of printing a two dimensional barcode having a finder pattern wherein the inner edge of the finder pattern is light, meaning that is does not include any printed pixels at the pixel locations along the inner edge.
    • 一种用于二维条形码打印模块的方法,包括在包含在变暗模块的内部部分的多个像素位置处打印像素,并且将像素打印在小于全部像素位置的像素位置 变暗模块 可以想到各种实施例,例如但不限于打印具有四个光角,三个光角,两个光角,一个光角和/或一个光边缘的变暗模块的方法。 此外,一种打印具有取景器图案的二维条形码的方法,其中取景器图案的内边缘是浅的,这意味着在沿着内边缘的像素位置处不包括任何印刷像素。
    • 8. 发明申请
    • Hybrid signature scheme
    • 混合签名方案
    • US20080141036A1
    • 2008-06-12
    • US11812811
    • 2007-06-21
    • Scott Alexander VanstoneRobert GallantRobert J. LambertLeon A. PinstovFrederick W. RyanAri Singer
    • Scott Alexander VanstoneRobert GallantRobert J. LambertLeon A. PinstovFrederick W. RyanAri Singer
    • H04L9/00H04K1/00
    • H04L9/3247H04L9/3252
    • A signature scheme is provided in which a message is divided into a first portion which is hidden and is recovered during verification, and a second portion which is visible and is required as input to the verification algorithm. A first signature component is generated by encrypting the first portion alone. An intermediate component is formed by combining the first component and the visible portion and cryptographically hashing them. A second signature component is then formed using the intermediate component and the signature comprises the first and second components with the visible portion. A verification of the signature combines a first component derived only from the hidden portion of the message with the visible portion and produces a hash of the combination. The computed hash is used together with publicly available information to generate a bit string corresponding to the hidden portion. If the required redundancy is present the signature is accepted and the message reconstructed from the recovered bit string and the visible portion.
    • 提供了一种签名方案,其中消息被分成在验证期间被隐藏并被恢复的第一部分,以及作为验证算法的输入可见并被要求的第二部分。 通过单独加密第一部分来产生第一签名组件。 通过组合第一组件和可见部分并对其进行密码散列来形成中间组件。 然后使用中间部件形成第二签名部件,并且签名包括具有可见部分的第一和第二部件。 签名的验证将仅从消息的隐藏部分导出的第一组件与可见部分组合,并产生组合的散列。 所计算的散列与公开可用的信息一起使用以产生对应于隐藏部分的位串。 如果存在所需的冗余,则签名被接受,并且从恢复的位串和可见部分重建消息。
    • 10. 发明申请
    • Postage printing system for printing both postal and non-postal documents
    • 用于印刷邮政和非邮政文件的邮资打印系统
    • US20080005042A1
    • 2008-01-03
    • US11476284
    • 2006-06-28
    • Frederick W. RyanRobert A. CorderyBertrand Haas
    • Frederick W. RyanRobert A. CorderyBertrand Haas
    • G06F17/00
    • G07B17/0008G07B2017/00153G07B2017/00588
    • A method for printing secure source images of the type that contain specific critical elements and non-secure images on a single printer includes determining the origin of an image (secure source or non-secure source). If the image to be printed is from the non-secure source, a determination is made if the image contains the specific critical elements of the type contained in secure source images. Printing of the image from the non-secure source is disabled if the image contains specific critical elements of the type contained in secure source images. Printing of the image from a non-secure source is enabled if the image does not contain specific critical elements of the type contained in the secure image. The determination if the non-secure source image contains the specific critical elements of the type contained in secure source images can be made after printing has commenced of the non-secure image.
    • 用于在单个打印机上打印包含特定关键元素和非安全图像的类型的安全源图像的方法包括确定图像的来源(安全源或非安全源)。 如果要打印的图像来自非安全源,则确定图像是否包含安全源图像中包含的类型的特定关键元素。 如果图像包含安全源图像中包含的类型的特定关键元素,则禁用从非安全源打印图像。 如果图像不包含安全图像中包含的类型的特定关键元素,则会启用来自非安全源的映像的打印。 如果非安全源图像包含安全源图像中包含的类型的特定关键元素,则可以在非安全图像的打印开始之后进行确定。