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    • 1. 发明申请
    • INFORMATION BEARING DEVICES
    • 信息轴承装置
    • WO2016084011A1
    • 2016-06-02
    • PCT/IB2015/059115
    • 2015-11-25
    • LAU, Tak WaiLAM, Wing Hong
    • LAU, Tak WaiLAM, Wing Hong
    • G06K19/06
    • G06K19/06037G06K7/1426G06K19/06056G06K19/06093G06K19/06131G06K19/0614
    • An information bearing device comprising a data bearing pattern, wherein the data bearing pattern comprises a plurality of data defining elements, the data defining elements being spatially distributed to define a set of spatial frequency data, and the set of spatial frequency data comprising a plurality of frequency data elements (F 1 , F 2 ,…, F n ); and wherein each frequency data (F i ) has a data frequency magnitude (f i ) and a data frequency angle (θ i ), the data frequency magnitude being above a first characteristic spatial frequency (f A ) which corresponds to a characteristic frequency of a staple or commonplace image reproduction apparatus, the characteristic frequency representing an image data frequency above which reproduction quality by the staple or commonplace image reproduction apparatus begins to drop substantially.
    • 一种信息承载装置,包括数据承载模式,其中所述数据承载模式包括多个数据定义元素,所述数据定义元素被空间分布以定义一组空间频率数据,并且所述一组空间频率数据包括多个 频率数据元素(F1,F2,...,Fn); 并且其中每个频率数据(Fi)具有数据频率幅度(fi)和数据频率角(θi),所述数据频率幅度高于对应于订书钉或普通的特征频率的第一特征空间频率(fA) 图像再现装置,表示图像数据频率的特征频率,在该图像数据频率之上,订书钉或普通图像再现装置的再现质量大大开始下降。
    • 2. 发明申请
    • AUTHENTICATION DEVICES
    • 认证设备
    • WO2016020867A1
    • 2016-02-11
    • PCT/IB2015/055962
    • 2015-08-06
    • LAU, Tak WaiLAM, Wing Hong
    • LAU, Tak WaiLAM, Wing Hong
    • G06F21/00
    • G06K19/00D02G3/26D03D13/004D03D15/0027D03D15/0033D06F93/005D06H1/00G06K19/027G06K19/06009G06K19/06046G09F3/02
    • An authentication device(1000, 100) comprising a woven authentication pattern(1060), wherein the woven authentication pattern comprises a plurality of pattern forming woven elements(112) each defining at least one pattern defining element or a plurality of pattern defining elements(112a, 112b, 112c, 112d), and each pattern forming woven element(112) is formed by a plurality of threads(110a, 110b, 110c) having contrasting optical or visual properties in twisted mutual engagement, wherein said pattern defining element(112a, 112b, 112c, 112d) has a spiralling outline or boundary and adjacent or abutting pattern defining elements(112a, 112b, 112c, 112d) of a pattern forming woven element are visually or optically distinguishable.
    • 一种包括机织认证图案(1060)的认证设备(1000,100),其中所述编织认证图案包括多个图案形成编织元件(112),每个限定元件至少一个图案限定元件或多个图案限定元件(112a ,112b,112c,112d),并且每个图案形成编织元件(112)由具有扭曲相互接合的对比光学或视觉特性的多个螺纹(110a,110b,110c)形成,其中所述图案限定元件(112a, 112b,112c,112d)具有螺旋形轮廓或边界,并且图案形成编织元件的相邻或邻接图案限定元件(112a,112b,112c,112d)在视觉上或光学上是可区分的。
    • 3. 发明申请
    • INFORMATION BEARING DEVICES
    • 信息轴承装置
    • WO2016166739A1
    • 2016-10-20
    • PCT/IB2016/052197
    • 2016-04-18
    • LAU, Tak WaiLAM, Wing Hong
    • LAU, Tak WaiLAM, Wing Hong
    • G06K19/06
    • G06K19/06037G06K19/06056
    • A composite information bearing device comprising a plurality of data units defined by an ensemble of pattern defining elements, the number of pattern defining elements forming the ensemble is substantially higher than the number of data units defined by the ensemble; the pattern defining elements of the ensemble are distributed to form a first data embedding pattern, the first data embedding pattern corresponds to a second set of data; the second set of data correlates to a spread pattern which follows a spatial distribution rule, the spatial distribution rule defines characteristic values of the spread pattern in spatial domain and have continuous values spread between a maximum value and a minimum value; and spatial distribution of the pattern defining elements of the ensemble follows the spatial distribution rule to the extent where the characteristic values are either above or below a selection threshold value between the maximum value and the minimum value.
    • 一种复合信息承载装置,包括由图案限定元件的集合定义的多个数据单元,形成集合的图案定义元件的数量显着高于由所述集合定义的数据单元的数量; 分配集合的模式定义元素以形成第一数据嵌入模式,第一数据嵌入模式对应于第二组数据; 第二组数据与遵循空间分布规则的扩展模式相关,空间分布规则定义空间域中扩展模式的特征值,并且具有在最大值和最小值之间扩展的连续值; 并且集合的模式定义元素的空间分布遵循空间分布规则到特征值在最大值和最小值之间的选择阈值之上或之下的程度。
    • 4. 发明申请
    • INFORMATION BEARING DEVICES AND AUTHENTICATION DEVICES INCLUDING SAME
    • 信息轴承装置和包括其的认证装置
    • WO2015063677A1
    • 2015-05-07
    • PCT/IB2014/065654
    • 2014-10-28
    • LAU, Tak WaiLAM, Wing Hong
    • LAU, Tak WaiLAM, Wing Hong
    • H04L12/24
    • G06F17/30333G06F17/16G06F21/44G06K19/06037G09C5/00H04L9/3226
    • An information bearing device comprising a data bearing pattern, the data bearing pattern comprising M x N pattern defining elements which are arranged to define a set of characteristic spatial distribution properties (Formula I), wherein the set of data comprises a plurality of discrete data and each said discrete data ( u i , v i ) has an associated data bearing pattern which is characteristic of said discrete data, and the set of characteristic spatial distribution properties is due to the associated data bearing patterns of said plurality of discrete data, wherein said discrete data and the associated data bearing pattern of said discrete data is related by a characteristic relation function (Formula II), the characteristic relation function defining spatial distribution properties of said associated data bearing pattern according to said discrete data ( u i , v i ) and a characteristic parameter ( k ) that is independent of said discrete data.
    • 一种包括数据承载模式的信息承载装置,所述数据承载模式包括M×N模式限定元件,其被布置以限定一组特征空间分布属性(公式I),其中所述数据集包括多个离散数据,以及 每个所述离散数据(ui,vi)具有作为所述离散数据的特征的相关联的数据承载模式,并且所述特征空间分布属性的集合是由于所述多个离散数据的相关联的数据承载模式,其中所述离散数据 并且所述离散数据的相关联的数据承载模式通过特征关系函数(公式II)相关联,所述特征关系函数根据所述离散数据(ui,vi)定义所述相关联的数据承载模式的空间分布属性和特征参数 (k)独立于所述离散数据。
    • 5. 发明申请
    • INFORMATION BEARING DEVICES
    • 信息轴承装置
    • WO2015177765A1
    • 2015-11-26
    • PCT/IB2015/053782
    • 2015-05-22
    • LAU, Tak WaiLAM, Wing Hong
    • LAU, Tak WaiLAM, Wing Hong
    • G06K19/00
    • G06K19/0614G06K19/06037G06K19/06093
    • A tamper or copy resistant information bearing device (400) is disclosed. The information bearing device (400) comprises a first data bearing pattern (420) and a second data bearing pattern (440) in overlap. At least a portion of the first data bearing pattern (420) overlaps with at least a portion of the second data bearing pattern (440) to form an overlapping region comprising an overlapped data bearing pattern. At least some information bearing elements (422) of the first type and at least some information bearing elements (442) of the second type in said overlapping data bearing pattern are joined or connected in abutment to form a plurality of overlapped information bearing elements. An overlapped information bearing element comprises a first portion due to said information bearing element of the first type, a second portion due to said information bearing element of the second type, and a third portion due to merging or overlapping of said information bearing element of the first type and said information bearing element of the second type.
    • 公开了一种防篡改信息承载装置(400)。 信息承载装置(400)包括重叠的第一数据承载模式(420)和第二数据承载模式(440)。 第一数据承载图案(420)的至少一部分与第二数据承载图案(440)的至少一部分重叠以形成包括重叠数据承载图案的重叠区域。 第一类型的至少一些信息承载元件(422)和所述重叠数据承载图案中的第二类型的至少一些信息承载元件(442)被邻接连接或连接以形成多个重叠信息承载元件。 重叠信息承载元件包括由于所述第一类型的信息承载元件的第一部分,由于所述第二类型的信息承载元件而产生的第二部分,以及由于所述信息承载元件的合并或重叠而导致的第三部分 第一类型和所述第二类型的信息承载元件。
    • 6. 发明申请
    • COMPOSITE INFORMATION BEARING DEVICES
    • 复合信息轴承装置
    • WO2015092694A1
    • 2015-06-25
    • PCT/IB2014/066991
    • 2014-12-17
    • LAU, Tak Wai
    • LAU, Tak WaiLAM, Wing Hong
    • G06K19/06
    • G06K19/06103G06K19/06037G06K19/06056G06T1/0071H04N1/3216H04N1/32165H04N1/32293H04N1/32352
    • A composite information bearing device comprising an image pattern and a human readable data device. The human readable data device includes a set of human readable data symbols representing a first set of data. The first set of data includes a first data portion and a second data portion. The image pattern represents a second set of data and comprises a third data portion. One of the first or said second data portions is to form an identification code upon combination or concatenation with said third data portion, and the other one of said first or said second data portions not forming part of said identification code is to form a verification code, the verification code being related to said identification code by a scheme of operation.
    • 一种复合信息承载装置,包括图像图案和人类可读数据装置。 人类可读数据设备包括表示第一组数据的一组人类可读数据符号。 第一组数据包括第一数据部分和第二数据部分。 图像图案表示第二组数据,并且包括第三数据部分。 第一或所述第二数据部分之一是在与所述第三数据部分组合或级联时形成识别码,而不构成所述识别码的一部分的所述第一或所述第二数据部分中的另一个是形成验证码 ,所述验证码通过操作方案与所述识别码相关。