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    • 23. 发明授权
    • Content receiver, content utilization system, viewing time limit determination method, program, and recording medium
    • 内容接收器,内容利用系统,观看时间限制确定方法,程序和记录介质
    • US08726397B2
    • 2014-05-13
    • US13123994
    • 2010-11-17
    • Ken-ichi ShibataTakuya Nishimura
    • Ken-ichi ShibataTakuya Nishimura
    • G06F21/00
    • G06F21/00
    • When a control unit of a content receiver causes to write out content to an exchangeable medium, causes to also write out a viewing license of the content to the exchangeable medium, and further causes an invalidating/validating unit to invalidate a viewing license of related content belonging to a same predetermined content group as the content if a viewing time limit of the content is not determined. When a content reproducer reproduces the content recorded in the exchangeable medium, determines the viewing time limit of the content and records it to the exchangeable medium. When the exchangeable medium which is reproduced by the content reproducer is installed, the control unit causes to set a viewing time limit of the related content to the same time limit as the viewing time limit of the content on the exchangeable medium and causes to validate the viewing license of the related content.
    • 当内容接收器的控制单元导致将内容写入可交换介质时,还导致将内容的查看许可证写入可交换介质,并且还使得无效/验证单元使相关内容的查看许可证无效 如果未确定内容的观看时间限制,则属于与内容相同的预定内容组。 当内容再现器再现记录在可交换介质中的内容时,确定内容的观看时间限制并将其记录到可交换介质。 当安装了由内容再现器再现的可更换介质时,控制单元使得相关内容的观看时间限制与可交换介质上的内容的观看时间限制相同的时间限制,并使得验证 查看相关内容的许可。
    • 26. 发明授权
    • Data transfer method
    • 数据传输方式
    • US07218736B1
    • 2007-05-15
    • US09403560
    • 1998-04-22
    • Takuya NishimuraHiroyuki IitsukaMasazumi Yamada
    • Takuya NishimuraHiroyuki IitsukaMasazumi Yamada
    • H04L9/00
    • H04L63/04H04L12/40058H04L12/40071H04L12/40104H04L29/06H04L63/0435H04L63/08
    • A data transfer method which eliminates erroneous operation of conventional devices not supporting encryption when copy-protected AV information is encrypted and sent on an IEEE 1394 bus. Synchronous data transferred through isochronous communication contains i) encryption identification information for indicating encryption of actual data and ii) actual data. Only the actual data is encrypted. Encryption identification information indicating encryption of actual data in synchronous data is sent together with actual data from the sending device. A receiving device detecting encryption of actual data from this encryption identification information requests decrypting information from the sending device. The receiving device decrypts the actual data using decrypting information received from the sending device according to this request.
    • 一种数据传输方法,其消除了在IEEE 1394总线上对拷贝保护的AV信息进行加密和发送时不支持加密的传统设备的错误操作。 通过同步通信传输的同步数据包含i)用于指示实际数据加密的加密识别信息,以及ii)实际数据。 只有实际的数据被加密。 指示同步数据中的实际数据的加密的加密标识信息与来自发送装置的实际数据一起发送。 检测来自该加密识别信息的实际数据的加密的接收装置从发送装置请求解密信息。 接收装置根据该请求使用从发送装置接收到的解密信息解密实际数据。
    • 28. 发明授权
    • Method and system for providing an exact image transfer and a root panel list within the panel subunit graphical user interface mechanism
    • 用于在面板子单元图形用户界面机制内提供精确图像传输和根面板列表的方法和系统
    • US06615293B1
    • 2003-09-02
    • US09585883
    • 2000-05-31
    • Hisato ShimaAtsushi SuzukiTakuya Nishimura
    • Hisato ShimaAtsushi SuzukiTakuya Nishimura
    • G06F300
    • H04L12/2803G05B19/0426G05B2219/25057G05B2219/25083G05B2219/25092G05B2219/25324H04L12/281H04L12/282
    • A method and system for providing an exact image transfer and root panel list within the panel subunit graphical user interface mechanism of networked electronic devices. The exact image transfer mechanism allows a target device to send a networked controller device a bitmap image of the exact display required of the target device. By transferring an exact bitmap of what is to be displayed, the target device can guarantee that the display rendered by the controller will not be modified or altered. This is useful in cases where the display represents an electronic program guide (EPG) or other suitable display that should be displayed with a predetermined arrangement and should not be altered by the controller. This is also useful in cases where the controller does not have a robust processing capability and therefore merely displays the exact bitmap sent by the target. Focus navigation is communicated from the controller to the target which then can alter the bitmap to illustrate an updated focus. Command pass-through can be used to communicate the focus navigation commands to the target. A root panel list maintained by the target can also be used to inform the controller of the capabilities of the target. The entries of the root panel list can be bitmap type, element type or analog video type. A controller can more readily generate the root panel without requiring more information from the target device and without having to render the entire panel subunit descriptor information for instances when a controller having a reduced processing set is used.
    • 一种用于在网络电子设备的面板子单元图形用户界面机制内提供准确的图像传输和根面板列表的方法和系统。 精确的图像传送机制允许目标设备向联网的控制器设备发送目标设备所需的精确显示的位图图像。 通过传输要显示的内容的精确位图,目标设备可以保证控制器呈现的显示不会被修改或更改。 这在显示器表示电子节目指南(EPG)或应当以预定布置显示并且不应被控制器改变的其他合适的显示器的情况下是有用的。 这在控制器不具有强大的处理能力并且因此仅显示由目标发送的确切位图的情况下也是有用的。 焦点导航从控制器传达到目标,然后可以改变位图以说明更新的焦点。 命令传递可用于将焦点导航命令传达给目标。 由目标维护的根面板列表也可用于向控制器通知目标的能力。 根面板列表的条目可以是位图类型,元素类型或模拟视频类型。 控制器可以更容易地生成根面板,而不需要来自目标设备的更多信息,并且当使用具有简化处理集的控制器时,不必为实例呈现整个面板子单元描述符信息。