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    • 42. 发明授权
    • Location-aware security and access system
    • 位置感知安全和访问系统
    • US08533793B2
    • 2013-09-10
    • US13035967
    • 2011-02-26
    • David A. Hanna, Jr.
    • David A. Hanna, Jr.
    • G06F21/00
    • H04L63/107H04W4/02H04W4/029H04W12/08H04W64/00
    • An invention is afforded for providing security for a protected network resource. The system includes a network access apparatus in communication with a receiver that receives signals from a remote source. The network access apparatus is capable of collecting current microprint data for the receiver, which is a plurality of values based on data values received at the receiver over a predefined period of time, for example, forty-five seconds. The system also includes an authentication computer in communication with the network access apparatus. The authentication computer has access to an LSDF for the receiver, which is a plurality of values based on data values received at the receiver over a predefined period of time, for example, a twenty-four hour period of time. In operation the network access apparatus provides current microprint data for the receiver to the authentication computer, and the authentication computer compares the current microprint data to the LSDF for the receiver to authenticate an access request.
    • 提供了一种用于为受保护的网络资源提供安全性的发明。 该系统包括与接收来自远程源的信号的接收机通信的网络接入装置。 网络接入装置能够收集用于接收机的当前微打印数据,该接收机是基于在预定时间段(例如四十五秒)在接收机处接收的数据值的多个值。 该系统还包括与网络访问装置通信的认证计算机。 认证计算机可以访问用于接收机的LSDF,其是基于在预定时间段(例如,二十四小时)的时间段在接收机处接收的数据值的多个值。 在操作中,网络访问装置向认证计算机提供用于接收机的当前微打印数据,并且认证计算机将当前的微打印数据与接收器的LSDF进行比较以验证访问请求。
    • 43. 发明授权
    • Electronic file protection using location
    • 电子文件保护使用位置
    • US07177426B1
    • 2007-02-13
    • US10003572
    • 2001-10-30
    • Roger R. Dube
    • Roger R. Dube
    • H04L9/00
    • G06F21/6209G06F2221/2111H04L9/0872H04L63/0428H04L2209/56H04L2209/80
    • An invention for electronic file protection using location and other entropy factors is provided. Environment information regarding a computer is obtained, wherein the environment information includes data concerning an operating environment of the computer. Based on the environment information, an encryption key is generated and an electronic file is encrypted using the encryption key. A decryption key can also be created based on environment information, wherein the decryption key can be utilized to decrypt the electronic file. In addition, the environment information can include location information of the computer, drive information regarding a drive wherein the electronic file will be stored, and time information specifying access duration.
    • 提供了使用位置和其他熵因子的电子文件保护的发明。 获得关于计算机的环境信息,其中环境信息包括关于计算机的操作环境的数据。 基于环境信息,生成加密密钥,并使用加密密钥对电子文件进行加密。 还可以基于环境信息来创建解密密钥,其中可以利用解密密钥来解密电子文件。 此外,环境信息可以包括计算机的位置信息,关于将存储电子文件的驱动器的驱动器信息以及指定访问持续时间的时间信息。
    • 45. 发明授权
    • Detector for a security thread having at least two security detection
features
    • 具有至少两个安全检测功能的安全线程的检测器
    • US5535871A
    • 1996-07-16
    • US520374
    • 1995-08-29
    • Steven K. Harbaugh
    • Steven K. Harbaugh
    • G06K7/08G06K19/067G07D7/00G07D7/02
    • G07D7/00G06K19/067G06K7/087G07D7/0026G07D7/026
    • A security thread for documents such as currency and banknote paper comprises a plastic substrate coated with a plurality of discrete metallic patterns of electrically-conductive material, such as aluminum. The metallic patterns are arranged on the surface of the thread to indicate the particular denomination of the currency paper. The thread is typically embedded entirely with the currency paper. A first embodiment of a verification device determines the authenticity and denomination of the currency paper by counting the number of conductive metallic patterns on the thread and comparing the count to various count ranges. A second embodiment of the verification device scans the thread in a narrow-edge direction such that it simultaneously encounters all of the conductive thread segments. Capacitive coupling of an oscillator signal into one or more sensing pads result in an electrical signal having a distinct pattern. This signal is compared to a plurality of signals stored in memory that are indicative of valid thread denominations.
    • 用于诸如货币和钞票纸的文件的安全线包括涂覆有诸如铝的导电材料的多个离散金属图案的塑料基板。 金属图案布置在线的表面上以指示货币纸的特定面额。 线程通常用纸币完全嵌入。 验证装置的第一实施例通过对线程上的导电金属图案的数量进行计数并将计数与各种计数范围进行比较来确定货币纸的真实性和面额。 验证装置的第二实施例在窄边缘方向扫描线,使得它同时遇到所有的导电线段。 将振荡器信号电容耦合到一个或多个传感垫中导致具有不同图案的电信号。 该信号与存储在存储器中的指示有效线程面值的多个信号进行比较。
    • 46. 发明授权
    • Currency paper security thread verification device
    • 货币纸张安全线程验证装置
    • US5419424A
    • 1995-05-30
    • US234292
    • 1994-04-28
    • Steven K. Harbaugh
    • Steven K. Harbaugh
    • G07D7/00G07D7/02
    • G07D7/026
    • A currency paper has a security thread embedded therein. The thread comprises a plastic substrate having a plurality of alphanumeric, metallic, electrically-conductive characters formed thereon. The characters have predetermined heights and widths and spacings therebetween. The verification device comprises an oscillator electrode and associated horizontal and vertical electrodes. A time-varying oscillator signal is coupled to the oscillator electrode. The spacing of the horizontal and vertical electrodes in relation to the oscillator electrode is determined by the spacing between the metallized characters on the thread. A valid security thread capacitively couples the oscillator signal into the horizontal electrode but not the vertical electrode. On the other hand, a counterfeit security thread will couple the oscillator signal into both the horizontal and vertical electrodes. Signal processing electronics is provided to sense these valid and counterfeit conditions.
    • 货币纸具有嵌入其中的安全线程。 螺纹包括塑料基板,其上形成有多个字母数字的,金属的导电字符。 这些字符之间具有预定的高度,宽度和间距。 验证装置包括振荡电极和相关联的水平和垂直电极。 时变振荡器信号耦合到振荡器电极。 水平和垂直电极相对于振荡器电极的间距由线上金属化字符之间的间距决定。 有效的安全线程将振荡器信号电容耦合到水平电极,而不是垂直电极。 另一方面,假冒安全线程将振荡器信号耦合到水平和垂直电极。 提供信号处理电子设备来感测这些有效和假冒的条件。
    • 48. 发明授权
    • Capacitive verification device for a security thread embedded within
currency paper
    • 用于嵌入在纸币内的安全线程的电容验证装置
    • US5417316A
    • 1995-05-23
    • US32993
    • 1993-03-18
    • Steven K. Harbaugh
    • Steven K. Harbaugh
    • B42D15/10G01V3/08G07D7/00G07D7/02
    • G01V3/088G07D7/026
    • A verification device for a security thread embedded within currency paper includes two or more sensor channels, each channel comprising a sensor plate and a guard plate disposed adjacent to one another. The sensor plate and guard plate of one channel are in a planar relationship with the sensor plate and guard plate of all other channels. A transistor has its base connected to the sensor plate and its emitter connected to the guard plate, thereby effectively removing any stray capacitance between the sensor and guard plates. The output of the transistor at its emitter is indicative of the amount of the electrical charge on the sensor plate. Signal processing electronics disposed after the transistor convert the sensor plate capacitance into an electrical signal whose pulse width is proportional to the amount of sensor plate capacitance. A valid currency having a security thread embedded therein passes by a sensor plate and varies the amount of capacitance of the plate. The signal processing electronics is responsive to this variation in sensor plate capacitance and provides a signal indicative of the valid security thread.
    • 嵌入在纸币内的安全线程的验证装置包括两个或更多个传感器通道,每个通道包括彼此相邻布置的传感器板和防护板。 一个通道的传感器板和防护板与所有其他通道的传感器板和防护板处于平面关系。 晶体管的基极连接到传感器板,其发射极连接到防护板,从而有效地消除传感器和防护板之间的任何杂散电容。 晶体管在其发射极处的输出表示传感器板上的电荷量。 在晶体管将传感器板电容转换成电信号之后设置的信号处理电子器件,其脉冲宽度与传感器板电容量成比例。 具有嵌入其中的安全线的有效货币通过传感器板并改变板的电容量。 信号处理电子器件响应传感器板电容的这种变化,并提供指示有效安全线程的信号。