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55 条记录 (耗时 0.044 秒)

    Data transfer device and data transfer method
    1.
    发明授权
    Data transfer device and data transfer method 失效
    数据传输设备和数据传输方式

    公开(公告)号：US06687860B1

    公开(公告)日：2004-02-03

    申请号：US09226604

    申请日：1999-01-07

    申请人： Yukio Iijima ,  Nobuaki Minakuchi ,  Makoto Usui ,  Yasushi Ueda ,  Makoto Okazaki ,  Takahiro Nagai

    发明人： Yukio Iijima ,  Nobuaki Minakuchi ,  Makoto Usui ,  Yasushi Ueda ,  Makoto Okazaki ,  Takahiro Nagai

    IPC分类号： G11C2900

    CPC分类号： G06F12/0207 ,  G11B20/1833

    摘要： A data transfer device for successively storing data in a data storage unit or successively reading data from the data storage unit in data processing using an array of m rows×n columns, comprises a data storage unit for retaining data which have been stored in storage positions specified by row addresses indicating the positions in the row direction and column addresses indicating the positions in the column direction; a transfer address generation unit for generating transfer addresses comprising the row addresses and the column addresses so that the storage positions for transferred data are successively specified in each of storage blocks having a predetermined size and arranged in the row direction of the data storage unit; and a transfer control unit for controlling data transfer to the data storage unit by using the transfer addresses generated by the transfer address generation unit.

    摘要翻译： 一种数据传输装置，用于在数据存储单元中连续地存储数据或者使用m行x列的数组从数据存储单元中连续地读取数据，包括数据存储单元，用于保存已经存储在由 指示行方向上的位置的行地址和指示列方向上的位置的列地址; 传送地址生成单元，用于生成包括行地址和列地址的传送地址，使得在具有预定大小并且沿数据存储单元的行方向布置的每个存储块中连续指定传送数据的存储位置; 以及传送控制单元，用于通过使用由传送地址生成单元生成的传送地址来控制向数据存储单元的数据传送。

    Optical disc recording method and optical disc reproducing method
    5.
    发明授权
    Optical disc recording method and optical disc reproducing method 失效
    光盘记录方法和光盘再现方法

    公开(公告)号：US07209422B2

    公开(公告)日：2007-04-24

    申请号：US10493249

    申请日：2002-10-25

    申请人： Takahiro Sato ,  Takashi Yumiba ,  Takahiro Nagai

    发明人： Takahiro Sato ,  Takashi Yumiba ,  Takahiro Nagai

    IPC分类号： G11B20/10

    CPC分类号： G11B7/24085 ,  G11B7/00736 ,  G11B20/00586

    摘要： An optical disc recording method is provided for superimposing sub information by displacing edges of one or more optically-readable recording marks by a minute amount on the basis of a binary sequence code, when recording main information by forming said one or more recording marks, the optical disc recording method including a sequence generation step of generating a first binary sequence code and a second binary sequence code that is different from the first binary sequence code; a first displacement step of displacing one of the edges according to the first binary sequence code; and a second displacement step of displacing another of the edges according to the second binary sequence code.

    摘要翻译： 提供了一种光盘记录方法，用于通过基于二进制序列码将一个或多个光学可读记录标记的边缘移位微小量来叠加子信息，当通过形成所述一个或多个记录标记记录主信息时， 光盘记录方法，包括产生与第一二进制序列码不同的第一二进制序列码和第二二进制序列码的序列生成步骤; 第一位移步骤，根据第一二进制序列码移位边缘之一; 以及根据第二二进制序列码来移位另一个边缘的第二位移步骤。

    Encryption device a decrypting device a secret key generation device a copyright protection system and a cipher communication device
    8.
    发明申请
    Encryption device a decrypting device a secret key generation device a copyright protection system and a cipher communication device 失效
    加密装置，解密装置，密钥生成装置，版权保护系统和密码通信装置

    公开(公告)号：US20050021941A1

    公开(公告)日：2005-01-27

    申请号：US10490346

    申请日：2002-09-11

    申请人： Motoji Ohmori ,  Makoto Tatabayashi ,  Takahiro Nagai ,  Hideshi Ishihara

    发明人： Motoji Ohmori ,  Makoto Tatabayashi ,  Takahiro Nagai ,  Hideshi Ishihara

    IPC分类号： G11B20/00 ,  H04L9/08 ,  H04L9/14 ,  H04L9/32 ,  H04L9/00

    CPC分类号： G11B20/00086 ,  H04L9/0891 ,  H04L9/3268 ,  H04L2209/603

    摘要： An encryption device, a decrypting device, a secret key generation device, a copyright protection system and a cipher communication device comprise: a CRL memory unit 111 that memorizes a CRL, a device key ring memory unit 112 that memorizes a peculiar device key KD A in every IC card 210a used in a decrypting device 200a, a content key memory unit 113 that memorizes a content key Kc which is a secret key for decrypting content, a hashing function processing unit 114 that calculates a hashing value of the CRL memorized in the CRL memory unit 111, an Ex-OR unit 115 that carries out an exclusive OR between the hashing value and the device key KD A memorized in the device key ring memory unit 112, and an Enc unit 116 that encrypts the content key Kc memorized in the content key memory unit 113 with an output value of an Ex-OR unit 115.

    摘要翻译： 加密装置，解密装置，秘密密钥生成装置，版权保护系统和密码通信装置包括：存储CRL的CRL存储单元111，存储特定装置密钥KD A的装置密钥存储单元112 在解密装置200a中使用的每个IC卡210a中，存储作为用于解密内容的秘密密钥的内容密​​钥Kc的内容密钥存储单元113，计算存储在内容中的CRL的散列值的散列函数处理单元114 CRL存储单元111，执行散列值与存储在设备密钥环存储单元112中的设备密钥KD A之间的异或的Ex-OR单元115以及加密存储在设备密钥环存储单元112中的内容密钥Kc的Enc单元116 具有Ex-OR单元115的输出值的内容密钥存储单元113。