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    • 4. 发明授权
    • Apparatus and methods for verifying identity using biometric information collected during a pre-enrollment phase
    • 用于使用在预注册阶段期间收集的生物特征信息验证身份的装置和方法
    • US07995802B2
    • 2011-08-09
    • US11625465
    • 2007-01-22
    • Jianying HuGregory F. RussellThomas G. Zimmerman
    • Jianying HuGregory F. RussellThomas G. Zimmerman
    • G06K9/00
    • G06K9/6298
    • Apparatus and methods are disclosed for verifying identity using a plurality of biometric samples collected during a pre-enrollment phase, where the plurality of biometric samples concern one or more biometric measures. In one embodiment, the biometric measure comprises an individual's signature, samples of which are collected over a period of time prior to an enrollment procedure. Collecting signatures over a period of time prior to an enrollment procedure allows a more robust signature model to be developed since the signature model will reflect natural, statistically significant, variations that occur over time. During an enrollment procedure, the user then attests to the validity of the signatures collected during the pre-enrollment phase. Valid signatures are used to construct a signature model that will be used to authenticate signatures provided during later transactions. Apparatus and methods of the invention additionally encompass collecting biometric samples of other biometric measures such as, for example, facial appearance, during a pre-enrollment phase.
    • 公开了用于使用在预注册阶段期间收集的多个生物特征样本来验证身份的装置和方法,其中多个生物特征样本涉及一个或多个生物特征量度。 在一个实施例中,生物测量度量包括个体签名,其样本在注册过程之前的一段时间内被收集。 在注册过程之前的一段时间内收集签名允许开发更健壮的签名模型,因为签名模型将反映随时间发生的自然,统计上显着的变化。 在注册过程中,用户然后证明在预注册阶段收集的签名的有效性。 有效签名用于构建一个签名模型,用于验证后续交易中提供的签名。 本发明的装置和方法还包括在预注册阶段期间收集其他生物特征测量例如面部外观的生物特征样本。
    • 5. 发明授权
    • Sensor grid for an electromagnetic digitizer tablet
    • 传感器格栅用于电磁数字化仪
    • US5136125A
    • 1992-08-04
    • US696434
    • 1991-05-06
    • Gregory F. Russell
    • Gregory F. Russell
    • G06F3/041G06F3/033G06F3/046
    • G06F3/046
    • A digitizer tablet (10) having an array of conductors that define a sensing plane (12) for sensing an electromagnetic signal generated by a pointing device (16) disposed external to the plane. The tablet includes circuitry, coupled to the array of conductors, for determining a magnitude of an electrical signal or signals induced within the array of conductors by the pointing device. The tablet also includes a data processor (30) that is responsive to the determined magnitude for accurately estimating both a position and an angular orientation of the pointing device relative to a coordinate system associated with the sensing plane. The array of conductors is comprised of an x-axis sensor array (14a) and a y-axis sensor array (14b). Each sensor array includes a plurality of differentially interconnected and overlapping coil pairs. Each coil of a coil pair includes a major loop having auxiliary loops coupled to each end thereof for compensating for unmeasured magnetic fields beyond an end of the coil.
    • 数字转换器平板电脑(10)具有限定感测平面(12)的导体阵列,用于感测由设置在平面外部的指示设备(16)产生的电磁信号。 平板电脑包括耦合到导体阵列的电路,用于确定由指示装置在导体阵列内感应的电信号或信号的幅度。 平板电脑还包括响应于所确定的幅度的数据处理器(30),用于精确地估计指向装置相对于与感测平面相关联的坐标系的位置和角度取向。 导体阵列由x轴传感器阵列(14a)和y轴传感器阵列(14b)组成。 每个传感器阵列包括多个差分互连和重叠的线圈对。 线圈对的每个线圈包括具有耦合到其每个端部的辅助回路的主回路,用于补偿超过线圈端部的未测量的磁场。
    • 6. 发明授权
    • Optimal scan sequence for RF magnetic digitizers
    • 射频磁性数字化仪的最佳扫描顺序
    • US5276282A
    • 1994-01-04
    • US869564
    • 1992-04-15
    • Gregory F. Russell
    • Gregory F. Russell
    • G06F3/046G06F3/033G06F3/041G06F3/048G08C21/00
    • G06F3/046
    • A sensor grid system (10), and a method of operating a sensor grid system, having a first array of inductors (14a) and a second array of inductors (14b). The first and the second arrays are each responsive to a moveable coil (18) that transmits an electromagnetic signal for having a detectable signal induced therein. The method includes a first step of determining an expected position of the coil relative to an array of inductors. A next step selects a pair of inductors that are located near to the expected position. A third step measures the signals induced into the pair of inductors, and a fourth step, based on the measurement step, determines any additional inductors from which measurements are required to interpolate the actual position of the coil. A fifth step measures the signals induced into the determined ones of the additional inductors, and a sixth step computes and reports the actual position of the coil based on the results of the first and the second steps of measuring.
    • 传感器网格系统(10)和操作传感器网格系统的方法,具有第一阵列的电感器(14a)和第二阵列的电感器(14b)。 第一和第二阵列各自响应于可移动线圈(18),该线圈(18)传输用于在其中感应到可检测信号的电磁信号。 该方法包括确定线圈相对于电感器阵列的预期位置的第一步骤。 下一步选择位于预期位置附近的一对电感器。 第三步骤测量感应到一对电感器中的信号,第四步骤基于测量步骤,确定需要测量的任何附加电感器来内插线圈的实际位置。 第五步骤测量感应到确定的附加电感器中的信号,第六步骤基于测量的第一和第二步骤的结果来计算和报告线圈的实际位置。
    • 8. 发明申请
    • Apparatus and Methods For Verifying Identity Using Biometric Information Collected During A Pre-Enrollment Phase
    • 使用生物识别信息验证身份的装置和方法在预注册阶段收集
    • US20080175445A1
    • 2008-07-24
    • US11625465
    • 2007-01-22
    • Jianying HuGregory F. RussellThomas G. Zimmerman
    • Jianying HuGregory F. RussellThomas G. Zimmerman
    • G06K9/00
    • G06K9/6298
    • Apparatus and methods are disclosed for verifying identity using a plurality of biometric samples collected during a pre-enrollment phase, where the plurality of biometric samples concern one or more biometric measures. In one embodiment, the biometric measure comprises an individual's signature, samples of which are collected over a period of time prior to an enrollment procedure. Collecting signatures over a period of time prior to an enrollment procedure allows a more robust signature model to be developed since the signature model will reflect natural, statistically significant, variations that occur over time. During an enrollment procedure, the user then attests to the validity of the signatures collected during the pre-enrollment phase. Valid signatures are used to construct a signature model that will be used to authenticate signatures provided during later transactions. Apparatus and methods of the invention additionally encompass collecting biometric samples of other biometric measures such as, for example, facial appearance, during a pre-enrollment phase.
    • 公开了用于使用在预注册阶段期间收集的多个生物特征样本来验证身份的装置和方法,其中多个生物特征样本涉及一个或多个生物特征量度。 在一个实施例中,生物测量度量包括个体签名,其样本在注册过程之前的一段时间内被收集。 在注册过程之前的一段时间内收集签名允许开发更健壮的签名模型,因为签名模型将反映随时间发生的自然,统计上显着的变化。 在注册过程中,用户然后证明在预注册阶段收集的签名的有效性。 有效签名用于构建一个签名模型,用于验证后续交易中提供的签名。 本发明的装置和方法还包括在预注册阶段期间收集其他生物特征测量例如面部外观的生物特征样本。
    • 9. 发明授权
    • Pen position and tilt estimators for a digitizer tablet
    • 数位板平板电脑的笔位置和倾斜估计量
    • US5239489A
    • 1993-08-24
    • US696483
    • 1991-05-06
    • Gregory F. Russell
    • Gregory F. Russell
    • G06F3/046G06F3/033G06F3/041G06F3/048G06K11/06
    • G06F3/046
    • A digitizer tablet (10) has an array of conductors that define a sensing plane (12) for sensing an electromagnetic signal generated by a pointing device (16) disposed external to the plane. The tablet includes circuitry, coupled to the array of conductors, for determining a magnitude of an electrical signal or signals induced within the array of conductors by the pointing device. The tablet also includes a data processor (30) that is responsive to the determined magnitude for accurately estimating both a position and an angular orientation of the pointing device relative to a coordinate system associated with the sensing plane. A first position estimate derived from a zero-crossing estimator is used to position a weighting function, which is employed in a weighted least squares fit of a line to the data, resulting in a second zero-crossing estimate of the position of the pointing device. On this second position estimate another weighting function is centered and a tilt estimation is obtained. The tilt estimation is employed to derive a correction for the position estimate.
    • 数字转换器平板电脑(10)具有限定感测平面(12)的导体阵列,用于感测由设置在平面外部的指示设备(16)产生的电磁信号。 平板电脑包括耦合到导体阵列的电路,用于确定由指示装置在导体阵列内感应的电信号或信号的幅度。 平板电脑还包括响应于所确定的幅度的数据处理器(30),用于精确地估计指向装置相对于与感测平面相关联的坐标系的位置和角度取向。 使用从过零估计器导出的第一位置估计来定位加权函数,该加权函数以对数据的线的加权最小二乘拟合采用,导致指向设备的位置的第二过零估计 。 在该第二位置估计另一个加权函数居中并获得倾斜估计。 使用倾斜估计来导出位置估计的校正。