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    Multicast communication system allows user to join or leave multicast groups and specify communication quality using easily comprehensible and operable user terminal display
    5.
    发明授权
    Multicast communication system allows user to join or leave multicast groups and specify communication quality using easily comprehensible and operable user terminal display 失效
    组播通信系统允许用户使用易于理解和可操作的用户终端显示来加入或离开多播组并指定通信质量

    公开(公告)号：US5832229A

    公开(公告)日：1998-11-03

    申请号：US687627

    申请日：1996-07-26

    申请人： Ichiro Tomoda ,  Toru Kambayashi ,  Satoshi Ito ,  Takashi Ida ,  Yasuhiko Shimomura ,  Toshiya Takahashi ,  Hirofumi Muratani ,  Masafumi Kondo

    发明人： Ichiro Tomoda ,  Toru Kambayashi ,  Satoshi Ito ,  Takashi Ida ,  Yasuhiko Shimomura ,  Toshiya Takahashi ,  Hirofumi Muratani ,  Masafumi Kondo

    IPC分类号： H04N7/10 ,  G09G5/00 ,  G09G5/08 ,  H04L12/18 ,  H04L29/06 ,  G06F13/00

    CPC分类号： H04L65/4076 ,  H04L12/185 ,  H04L29/06 ,  H04L29/06027

    摘要： The multicast communication scheme which can enable a user to easily comprehend the multicast groups existing on the network, easily carry out an operation to join a desired multicast group, and easily specify a desired communication quality. At each user terminal, a virtual space with a plurality of regions defined therein in correspondence to a plurality of multicast groups is displayed on a screen, while an information indicating a range of each region in the virtual space is stored in correspondence to an address information for a corresponding multicast group. A desired position in the virtual space on the screen is specified by an input device, and joining/leaving to/from multicast groups is controlled by using the address information stored in correspondence to a region in the virtual space which contains the desired position. The display on the screen may include a plurality of zones defined within each region in correspondence to a plurality of different communication qualities, so that a communication quality of a multicast communication to be received can be controlled according to a zone within a region in the virtual space which contains the desired position.

    摘要翻译： 可以使得用户能够容易地理解存在于网络上的多播组的组播通信方案容易地执行加入所需多播组的操作，并且容易地指定期望的通信质量。 在每个用户终端处，在屏幕上显示具有与多个多播组对应地定义的多个区域的虚拟空间，同时根据地址信息存储指示虚拟空间中的每个区域的范围的信息 为相应的组播组。 屏幕上的虚拟空间中的期望位置由输入设备指定，并且通过使用与包含期望位置的虚拟空间中的区域相对应地存储的地址信息来控制来自/来自多播组的加入/离开。 屏幕上的显示可以包括对应于多个不同通信质量在每个区域内定义的多个区域，从而可以根据虚拟的区域内的区域来控制要接收的多播通信的通信质量 包含所需位置的空间。

    Data converting device, data processing device, power consumption processing system and computer program product
    6.
    发明授权
    Data converting device, data processing device, power consumption processing system and computer program product 有权
    数据转换装置，数据处理装置，功耗处理系统和计算机程序产品

    公开(公告)号：US09255948B2

    公开(公告)日：2016-02-09

    申请号：US13372610

    申请日：2012-02-14

    申请人： Yuichi Komano ,  Shinji Yamanaka ,  Toshinari Takahashi ,  Satoshi Ito ,  Toru Kambayashi

    发明人： Yuichi Komano ,  Shinji Yamanaka ,  Toshinari Takahashi ,  Satoshi Ito ,  Toru Kambayashi

    IPC分类号： G01R21/00 ,  G01R22/10 ,  G06Q30/04

    CPC分类号： G01R22/10 ,  G06Q30/04

    摘要： According to an embodiment, a data converting device is connected to a power meter configured to add up power consumptions of electrical equipment. The device includes a receiving unit configured to receive power consumptions per predetermined unit time added up by the power meter; and a calculating unit configured to calculate a second sequence to be stored as added up power consumptions in a storage unit from a first sequence containing the power consumptions per unit time received by the receiving unit in time series by using a conversion rule for converting a value of a second element in the second sequence based on a value of a first element in the first sequence. The second sequence has no privacy information and, the second sequence can be used for calculating a total value of the first sequence.

    摘要翻译： 根据实施例，数据转换装置连接到配置成将电气设备的功率消耗相加的功率计。 该装置包括：接收单元，被配置为接收由功率计相加的预定单位时间的功率消耗; 以及计算单元，被配置为通过使用用于转换值的转换规则从包含由接收单元接收的每单位​​时间的功率消耗的第一序列在存储单元中计算要存储的第二序列作为相加功率消耗 基于第一序列中的第一元素的值，在第二序列中的第二元素。 第二序列没有隐私信息，并且第二序列可用于计算第一序列的总值。

    Information processing apparatus and program product
    7.
    发明授权
    Information processing apparatus and program product 有权
    信息处理设备和程序产品

    公开(公告)号：US09025772B2

    公开(公告)日：2015-05-05

    申请号：US13423410

    申请日：2012-03-19

    申请人： Toru Kambayashi ,  Yoshikazu Hanatani ,  Yuichi Komano ,  Yoshihiro Oba ,  Satoshi Ito ,  Taku Kato ,  Yasuro Shobatake

    发明人： Toru Kambayashi ,  Yoshikazu Hanatani ,  Yuichi Komano ,  Yoshihiro Oba ,  Satoshi Ito ,  Taku Kato ,  Yasuro Shobatake

    IPC分类号： H04L9/08 ,  G06F21/44 ,  H04L9/30

    CPC分类号： H04L9/0819 ,  G06F21/445 ,  H04L9/0844 ,  H04L9/14 ,  H04L9/3013 ,  H04L2209/24

    摘要： According to one embodiment, an information processing apparatus, which is connected to an external apparatus, includes a device key storage unit, a creating unit, a calculating unit, a communication unit, and a key calculating unit. The device key storage unit stores therein a device key. The creating unit creates a media key from the device key and a media key block. The calculating unit calculates first output information on the basis of first inherent information inherent to the information processing apparatus and public information. The communication unit transmits the first output information to the external apparatus and receives second output information calculated by the external apparatus from the external apparatus. The key calculating unit calculates a shared key shared between the information processing apparatus and the external apparatus on the basis of the media key, the first inherent information, and the second output information.

    摘要翻译： 根据一个实施例，连接到外部设备的信息处理设备包括设备密钥存储单元，创建单元，计算单元，通信单元和密钥计算单元。 设备密钥存储单元在其中存储设备密钥。 创建单元从设备密钥和媒体密钥块创建媒体密钥。 计算单元基于信息处理设备固有的第一固有信息和公共信息来计算第一输出信息。 通信单元将第一输出信息发送到外部设备，并从外部设备接收由外部设备计算出的第二输出信息。 密钥计算单元基于媒体密钥，第一固有信息和第二输出信息来计算信息处理设备和外部设备之间共享的共享密钥。

    COMMUNICATION APPARATUS, KEY SERVER, AND DATA
    8.
    发明申请
    COMMUNICATION APPARATUS, KEY SERVER, AND DATA 有权
    通信设备，主要服务器和数据

    公开(公告)号：US20090316897A1

    公开(公告)日：2009-12-24

    申请号：US12401701

    申请日：2009-03-11

    申请人： Toru Kambayashi ,  Tatsuyuki Matsushita ,  Haruhiko Toyama ,  Toshinori Odaka

    发明人： Toru Kambayashi ,  Tatsuyuki Matsushita ,  Haruhiko Toyama ,  Toshinori Odaka

    IPC分类号： H04L9/00 ,  H04L9/06

    CPC分类号： H04L9/0897 ,  H04L9/3297 ,  H04L2209/603

    摘要： A communication apparatus that encrypts a plurality of pieces that constitute a part of data and transmits the encrypted pieces stores an encrypted piece that is one of the pieces encrypted by another communication apparatus, and first decryption key information used for decrypting the encrypted piece, while keeping the encrypted piece and the first decryption key information in correspondence with each other. Further, the communication apparatus generates temporary information that can be different at each time of generation, further performs an encrypting process on the encrypted piece based on the temporary information, and outputs a new encrypted piece. The communication apparatus transmits the new encrypted piece, the first decryption key information that is stored in correspondence with the encrypted piece, and second decryption key information used for decrypting the encrypting process.

    摘要翻译： 对构成数据的一部分的多个片段进行加密并发送加密件的通信装置存储作为由另一通信装置加密的片段之一的加密片，以及用于解密加密片的第一解密密钥信息，同时保持 加密件和第一解密密钥信息彼此对应。 此外，通信装置生成在每次生成时可以不同的临时信息，还根据临时信息进行对加密件的加密处理，并输出新的加密件。 通信装置发送新的加密件，与加密件对应地存储的第一解密密钥信息和用于解密加密处理的第二解密密钥信息。

    Broadcast reception device and contract management device using common master key in conditional access broadcast system
    9.
    发明授权
    Broadcast reception device and contract management device using common master key in conditional access broadcast system 有权
    在条件接收广播系统中使用普通主密钥的广播接收设备和合同管理设备

    公开(公告)号：US06463155B1

    公开(公告)日：2002-10-08

    申请号：US09219889

    申请日：1998-12-24

    申请人： Koichiro Akiyama ,  Toru Kambayashi ,  Shuichi Tsujimoto ,  Naoki Endoh

    发明人： Koichiro Akiyama ,  Toru Kambayashi ,  Shuichi Tsujimoto ,  Naoki Endoh

    IPC分类号： H04L908

    CPC分类号： H04H20/28 ,  H04H60/15 ,  H04H60/16 ,  H04H60/23 ,  H04L9/0822 ,  H04L9/0891 ,  H04L2209/601 ,  H04L2209/603 ,  H04N7/165 ,  H04N21/2541

    摘要： A conditional access broadcast system for realizing conditional access while maintaining the safety level is disclosed. A contract management device at a broadcast station side delivers a reception contract information containing at least a contract information for controlling decryption of encrypted contents information delivered from a broadcast station by broadcast and a reception device ID in correspondence, which is encrypted using a master key which is commonly provided with respect to all the broadcast reception devices. At each broadcast reception device, whether or not to give a channel key for decrypting the encrypted contents information to the decryption unit is controlled according to the contract information for own broadcast reception device which is acquired from the encrypted reception contract information.

    摘要翻译： 公开了一种用于在保持安全等级的同时实现条件访问的条件访问广播系统。 广播站侧的合同管理装置向用户提供至少包含用于控制从广播站发送的加密内容信息的解密的对应信息和对应的接收装置ID的接收合同信息，使用主密钥加密 通常为所有广播接收设备提供。 在每个广播接收装置中，根据从加密的接收合同信息获取的自己的广播接收装置的合同信息来控制是否向解密单元提供用于解密加密的内容信息的频道密钥。

    Communication apparatus, key server, and data
    10.
    发明授权
    Communication apparatus, key server, and data 有权
    通信设备，密钥服务器和数据

    公开(公告)号：US08548169B2

    公开(公告)日：2013-10-01

    申请号：US12401701

    申请日：2009-03-11

    申请人： Toru Kambayashi ,  Tatsuyuki Matsushita ,  Haruhiko Toyama ,  Toshinori Odaka

    发明人： Toru Kambayashi ,  Tatsuyuki Matsushita ,  Haruhiko Toyama ,  Toshinori Odaka

    IPC分类号： H04L29/06

    CPC分类号： H04L9/0897 ,  H04L9/3297 ,  H04L2209/603

    摘要： A communication apparatus that encrypts a plurality of pieces that constitute a part of data and transmits the encrypted pieces stores an encrypted piece that is one of the pieces encrypted by another communication apparatus, and first decryption key information used for decrypting the encrypted piece, while keeping the encrypted piece and the first decryption key information in correspondence with each other. Further, the communication apparatus generates temporary information that can be different at each time of generation, further performs an encrypting process on the encrypted piece based on the temporary information, and outputs a new encrypted piece. The communication apparatus transmits the new encrypted piece, the first decryption key information that is stored in correspondence with the encrypted piece, and second decryption key information used for decrypting the encrypting process.

    摘要翻译： 对构成数据的一部分的多个片段进行加密并发送加密件的通信装置存储作为由另一通信装置加密的片段之一的加密片，以及用于解密加密片的第一解密密钥信息，同时保持 加密件和第一解密密钥信息彼此对应。 此外，通信装置生成在每次生成时可以不同的临时信息，还根据临时信息进行对加密件的加密处理，并输出新的加密件。 通信装置发送新的加密件，与加密件对应地存储的第一解密密钥信息和用于解密加密处理的第二解密密钥信息。