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    • 1. 发明授权
    • Information processing system, encryption/decryption system, system LSI, and electronic equipment
    • 信息处理系统,加密/解密系统,系统LSI和电子设备
    • US07117237B2
    • 2006-10-03
    • US10375995
    • 2003-02-28
    • Kazuhiko AmanoTsugio NakamuraHiroshi KasaharaTatsuya Shimoda
    • Kazuhiko AmanoTsugio NakamuraHiroshi KasaharaTatsuya Shimoda
    • G06F7/38
    • G06F7/57G06F7/535G06F7/723G06F21/72G06F2207/3816G06F2207/5353G06F2221/2149
    • An information processing system that is configured in such a manner that computational processing is performed on input data in accordance with a processing sequence, for outputting data, comprises: a plurality of arithmetic units (7-1 to 7-x), each computing at an arithmetic precision 2m bits (where m is a natural number) based on the processing sequence; and a plurality of cascade connection terminals for cascading these arithmetic units each other. When the maximum arithmetic precision that is required during computational processing is 2n bits (where n is a natural number and is fixed), x numbers of (where x is a natural number) the arithmetic units are cascaded in a manner such that the inequality x≧2n/2m is satisfied. When an arithmetic precision of 2n1 bits (where n1≦n, and n1 is variable) is necessary during computational processing, x1 numbers of the arithmetic units are cascaded in a manner such that the inequality x1≧2n1/2m (where x1 is a natural number and is variable) is satisfied. This makes it possible to easily implement an information processing system for performing computations to any desired precision in a hardware manner, and also makes it possible to support a simple hardware-based method of expanding the arithmetic precision.
    • 一种信息处理系统,其被配置为使得根据用于输出数据的处理序列对输入数据进行计算处理的方式包括:多个运算单元(7-1至7-x),每个运算单元 基于处理顺序的算术精度2 位(其中m是自然数) 以及用于将这些算术单元彼此级联的多个级联连接端子。 当计算处理期间所需的最大算术精度为2个比特(其中n是自然数并且是固定的)时,算术单元级联的(其中x是自然数)的x个数 以满足不等式x> = 2 / 2 的方式。 当在计算处理期间需要2×n1位的运算精度(其中n1 <= n和n1是可变的)时,运算单元的x1个数以这样的方式级联,使得不等式x1> = 2&lt; n1&lt; / 2&gt;(其中x1是自然数并且是可变的)。 这使得可以容易地实现用于以硬件方式执行任何期望精度的计算的信息处理系统,并且还可以支持扩展算术精度的简单的基于硬件的方法。
    • 2. 发明授权
    • Information processing system, enciphering/deciphering system, system LSI, and electronic apparatus
    • 信息处理系统,加密/解密系统,系统LSI和电子设备
    • US06557020B1
    • 2003-04-29
    • US09367234
    • 1999-10-13
    • Kazuhiko AmanoTsugio NakamuraHiroshi KasaharaTatsuya Shimoda
    • Kazuhiko AmanoTsugio NakamuraHiroshi KasaharaTatsuya Shimoda
    • G06F738
    • G06F7/57G06F7/535G06F7/723G06F21/72G06F2207/3816G06F2207/5353G06F2221/2149
    • An information processing system that is configured in such a manner that computational processing is performed on input data in accordance with a processing sequence, for outputting data, comprises: a plurality of arithmetic units (7-1 to 7-x), each computing at an arithmetic precision 2m bits (where m is a natural number) based on the processing sequence; and a plurality of cascade connection terminals for cascading these arithmetic units each other. When the maximum arithmetic precision that is required during computational processing is 2n bits (where n is a natural number and is fixed), x numbers of (where x is a natural number) the arithmetic units are cascaded in a manner such that the inequality x≧2n/2m is satisfied. When an arithmetic precision of 2n1 bits (where n1≦n, and n1 is variable) is necessary during computational processing, x1 numbers of the arithmetic units are cascaded in a manner such that the inequality x1≧2n1/2m (where x1 is a natural number and is variable) is satisfied. This makes it possible to easily implement an information processing system for performing computations to any desired precision in a hardware manner, and also makes it possible to support a simple hardware-based method of expanding the arithmetic precision.
    • 一种信息处理系统,其被配置为使得根据用于输出数据的处理序列对输入数据进行计算处理的方式包括:多个运算单元(7-1至7-x),每个运算单元 基于处理顺序的算术精度为2m比特(其中m为自然数) 以及用于将这些算术单元彼此级联的多个级联连接端子。 当计算处理期间所需的最大算术精度是2n位(其中n是自然数并且是固定的)时,运算单元的x数(其中x是自然数)是以不等式x > = 2n / 2m。 当计算处理期间需要2n1位(其中n1 <= n和n1是可变的)的算术精度时,以不等式x1> = 2n1 / 2m(其中x1为 自然数和变量)是满足的。 这使得可以容易地实现用于以硬件方式执行任何期望精度的计算的信息处理系统,并且还可以支持扩展算术精度的简单的基于硬件的方法。
    • 3. 发明授权
    • Personal verification device, card-type information storage medium, and information processing system using the same
    • 个人验证装置,卡式信息存储介质和使用该验证装置的信息处理系统
    • US07302088B2
    • 2007-11-27
    • US10614873
    • 2003-07-09
    • Kazuhiko AmanoMitsutoshi MiyasakaTatsuya Shimoda
    • Kazuhiko AmanoMitsutoshi MiyasakaTatsuya Shimoda
    • G06K9/00
    • G06K9/0002
    • A personal verification device includes a fingerprint sensor which detects a fingerprint of an operator, and a pulse wave sensor which detects a pulse wave of the operator. An index extraction section processes the pulse wave detected by the pulse wave sensor and extracts at least one index. First reference information which is compared with a fingerprint is stored in a first reference information storage section. Second reference information which is compared with the at least one index is stored in a second reference information storage section. A verification section outputs a signal indicating that the operator is true when it is determined that the operator is a registered person based on the result of comparison between the fingerprint and the first reference information, and it is determined that the operator is alive based on the result of comparison between the at least one index and the second reference information.
    • 个人验证装置包括检测操作者的指纹的指纹传感器和检测操作者的脉搏波的脉搏波传感器。 索引提取部分处理由脉波传感器检测的脉波,并提取至少一个索引。 与指纹进行比较的第一参考信息被存储在第一参考信息存储部分中。 与至少一个索引进行比较的第二参考信息被存储在第二参考信息存储部分中。 基于指纹和第一参考信息之间的比较结果确定运营商是注册人时,验证部分输出指示运营商为真的信号,并且基于该指示符确定运营商是活着的 所述至少一个索引和所述第二参考信息之间的比较结果。
    • 4. 发明申请
    • Personal verification device, card-type information storage medium, and information processing system using the same
    • 个人验证装置,卡式信息存储介质和使用该验证装置的信息处理系统
    • US20050053264A1
    • 2005-03-10
    • US10614873
    • 2003-07-09
    • Kazuhiko AmanoMitsutoshi MiyasakaTatsuya Shimoda
    • Kazuhiko AmanoMitsutoshi MiyasakaTatsuya Shimoda
    • A61B5/0245A61B5/117G06F21/20G06K9/00
    • G06K9/0002
    • A personal verification device includes a fingerprint sensor which detects a fingerprint of an operator, and a pulse wave sensor which detects a pulse wave of the operator. An index extraction section processes the pulse wave detected by the pulse wave sensor and extracts at least one index. First reference information which is compared with a fingerprint is stored in a first reference information storage section. Second reference information which is compared with the at least one index is stored in a second reference information storage section. A verification section outputs a signal indicating that the operator is true when it is determined that the operator is a registered person based on the result of comparison between the fingerprint and the first reference information, and it is determined that the operator is alive based on the result of comparison between the at least one index and the second reference information.
    • 个人验证装置包括检测操作者的指纹的指纹传感器和检测操作者的脉搏波的脉搏波传感器。 索引提取部分处理由脉波传感器检测的脉波,并提取至少一个索引。 与指纹进行比较的第一参考信息被存储在第一参考信息存储部分中。 与至少一个索引进行比较的第二参考信息被存储在第二参考信息存储部分中。 基于指纹和第一参考信息之间的比较结果确定运营商是注册人时,验证部分输出指示运营商为真的信号,并且基于该指示符确定运营商是活着的 所述至少一个索引和所述第二参考信息之间的比较结果。