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    • 11. 发明授权
    • System for downloading contents, and client terminal for downloading contents from contents server
    • 用于下载内容的系统,以及从内容服务器下载内容的客户终端
    • US07401065B2
    • 2008-07-15
    • US11197182
    • 2005-08-04
    • Keiko WatanabeJun SatoToru Terauchi
    • Keiko WatanabeJun SatoToru Terauchi
    • G06F17/30G06F15/16
    • H04L67/34H04L29/06027H04L67/04H04L67/42Y10S707/99931
    • A download control program of a client terminal transmits a request to a download server, which stores Download Descriptors that include attribution information of contents, for a Download Descriptor, and receives the Download Descriptor from the download server. The download server, before transmitting the Download Descriptor to the client terminal, adds information indicating that there is a difference between a Download Descriptor contained in the request from the client terminal and the Download Descriptor stored in data memory of the download server if the download server detects the difference between them. The client terminal transmits a content download request to a contents server based on the received Download Descriptor.
    • 客户机终端的下载控制程序将下载服务器的请求发送到下载服务器,下载服务器存储下载描述符,其中下载描述符包含下载描述符的内容的归属信息,并从下载服务器接收下载描述符。 下载服务器在将下载描述符发送到客户机终端之前,如果下载服务器在下载服务器的数据存储器中存储有表示存在来自客户终端的请求中包含的下载描述符和下载服务器的数据存储器中的下载描述符之间的差异的信息 检测它们之间的差异。 客户终端基于接收到的下载描述符向内容服务器发送内容下载请求。
    • 12. 发明申请
    • Portable terminal connectable to a content server
    • 便携式终端可连接到内容服务器
    • US20060236405A1
    • 2006-10-19
    • US11400298
    • 2006-04-07
    • Toru TerauchiJun SatoKeiko Watanabe
    • Toru TerauchiJun SatoKeiko Watanabe
    • H04L9/32
    • H04L63/06H04L9/0866H04L63/0428H04L2209/60H04L2463/062
    • A portable terminal MA downloads a content from a content server and stores the content in a HDD of the portable terminal after encrypting the content key with a terminal bind information which is inherent to the portable terminal. After that, when the portable terminal backs up the downloaded content to a personal computer, the portable terminal decrypts the content key with the terminal bind information and encrypts the content with a telephone number information. On the contrary, when the portable terminal restores the backed up content from the personal computer, the portable terminal decrypts the encrypted content key with telephone number bind information and encrypts the content with the terminal bind or new terminal information.
    • 便携式终端MA从内容服务器下载内容,并且利用便携式终端固有的终端绑定信息对内容密钥加密之后,将内容存储在便携式终端的HDD中。 之后,当便携式终端将下载的内容备份到个人计算机时,便携式终端利用终端绑定信息来解密内容密钥,并利用电话号码信息加密该内容。 相反,当便携式终端从个人计算机恢复备份的内容时,便携式终端用电话号码绑定信息解密加密的内容密钥,并利用终端绑定或新的终端信息加密内容。
    • 15. 发明授权
    • Electronic device and data transfer method
    • 电子设备和数据传输方式
    • US09052841B2
    • 2015-06-09
    • US13708250
    • 2012-12-07
    • Jun SatoKeiko Watanabe
    • Jun SatoKeiko Watanabe
    • G06F3/06G06F13/38G06K19/077
    • G06F3/0679G06F3/061G06F3/0656G06F13/38G06K19/077
    • According to one embodiment, an electronic device including, a communication module configured to transfer data, a controller configured to transmit data to the second electronic device through the communication module, and configured to temporarily hold the data in a receiving buffer of the second electronic device, and a data controller configured to receive free space information of the receiving buffer of the second electronic device from the second electronic device through the communication module, and configured to prepare data, which is transmitted to each mobile medium from the communication module through the second electronic device, based on the received free space information.
    • 根据一个实施例,一种电子设备,包括被配置为传送数据的通信模块,被配置为通过通信模块向第二电子设备发送数据的控制器,并且被配置为将数据临时保存在第二电子设备的接收缓冲器中 以及数据控制器,被配置为通过所述通信模块从所述第二电子设备接收所述第二电子设备的接收缓冲器的自由空间信息,并且被配置为准备从所述通信模块通过所述第二电子设备发送到每个移动介质的数据 电子设备,基于收到的可用空间信息。
    • 18. 发明授权
    • Content protection device and content protection method
    • 内容保护设备和内容保护方法
    • US07984296B2
    • 2011-07-19
    • US12751859
    • 2010-03-31
    • Keiko WatanabeJun Sato
    • Keiko WatanabeJun Sato
    • H04L29/00
    • G06F21/79
    • According to one embodiment, a content protection device includes a writing module configured to write protection information into file management information item in order to protect a content which is specified to be protected, wherein the writing module is configured to write the protection information corresponding to sectors which stores content key management information file includes content key link information item includes content key position information item of encrypted content key corresponding to content which is specified to be protected, or to write protection information corresponding to at least part of a sectors which stores content key management file includes encrypted content key corresponding to content which is specified to be protected.
    • 根据一个实施例,内容保护装置包括写入模块,该写入模块被配置为将保护信息写入文件管理信息项以便保护被指定为受保护的内容,其中写入模块被配置为写入对应于扇区的保护信息 其存储内容密钥管理信息文件包括内容密钥链接信息项目包括与被指定为被保护的内容相对应的加密内容密钥的内容密​​钥位置信息项,或者写入与存储内容密钥的扇区的至少一部分相对应的保护信息 管理文件包括对应于被指定为被保护的内容的加密内容密钥。
    • 20. 发明申请
    • CONTENT PROTECTION DEVICE AND CONTENT PROTECTION METHOD
    • 内容保护设备和内容保护方法
    • US20100250934A1
    • 2010-09-30
    • US12751859
    • 2010-03-31
    • Keiko WatanabeJun Sato
    • Keiko WatanabeJun Sato
    • G06F12/14H04L9/32
    • G06F21/79
    • According to one embodiment, a content protection device includes a writing module configured to write protection information into file management information item in order to protect a content which is specified to be protected, wherein the writing module is configured to write the protection information corresponding to sectors which stores content key management information file includes content key link information item includes content key position information item of encrypted content key corresponding to content which is specified to be protected, or to write protection information corresponding to at least part of a sectors which stores content key management file includes encrypted content key corresponding to content which is specified to be protected.
    • 根据一个实施例,内容保护装置包括写入模块,该写入模块被配置为将保护信息写入文件管理信息项以便保护被指定为受保护的内容,其中写入模块被配置为写入对应于扇区的保护信息 其存储内容密钥管理信息文件包括内容密钥链接信息项目包括与被指定为被保护的内容相对应的加密内容密钥的内容密​​钥位置信息项,或者写入与存储内容密钥的扇区的至少一部分相对应的保护信息 管理文件包括对应于被指定为被保护的内容的加密内容密钥。