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    • 1. 发明申请
    • Secure Distribution of Video On-Demand
    • 视频点播的安全分发
    • US20130152122A1
    • 2013-06-13
    • US13757959
    • 2013-02-04
    • Yong Ho SonChristopher Goode
    • Yong Ho SonChristopher Goode
    • H04N21/454
    • H04N21/4542H04N7/1675H04N7/17309H04N7/17318H04N21/2347H04N21/23473H04N21/23476H04N21/47202
    • An interactive information distribution system for providing secure distribution of video-on-demand content. The interactive information distribution system includes at least one programming source for storing at least one partially encrypted video program, and a distribution center including a remote server. The remote server stores the at least one partially encrypted video program received from the at least one programming source. The remote server also processes the partially encrypted video program corresponding to a subscriber requested video program to produce a fully encrypted video program. A subscriber-side distribution network, coupled to the distribution center, causes transmission of the fully encrypted video program to the requesting subscriber.
    • 一种用于提供视频点播内容的安全分发的交互式信息分发系统。 交互式信息分发系统包括用于存储至少一个部分加密的视频节目的至少一个节目源和包括远程服务器的分发中心。 远程服务器存储从至少一个编程源接收的至少一个部分加密的视频节目。 远程服务器还处理与订户请求的视频节目相对应的部分加密的视频节目以产生完全加密的视频节目。 耦合到分发中心的用户侧分发网络使完全加密的视频节目传输到请求用户。
    • 4. 发明授权
    • Network bandwidth optimization by dynamic channel allocation
    • 网络带宽优化通过动态信道分配
    • US06718552B1
    • 2004-04-06
    • US09295738
    • 1999-04-20
    • Christopher Goode
    • Christopher Goode
    • H04N7173
    • H04N21/266H04N7/17318H04N21/25891H04N21/47202H04N21/6581H04N21/8352
    • An information delivery system provides programming, such as video programming, by dynamically allocating the programming to channel slots, based on the availability of the channel slots. Programming with high viewership statistics is transmitted substantially continuously and programming with lower viewership statistics is transmitted “on-demand” in response to requests by users by way of a subscriber station. The subscriber stations maintain a map, provided by a corresponding session control manager, of currently available and currently transmitted channels. The information delivery system, in a preferred embodiment, takes the form of a Hybrid Fiber Coaxial (HFC) system.
    • 基于信道时隙的可用性,信息传递系统通过动态地将节目分配给信道时隙来提供诸如视频节目的节目。 基于连续地发送具有高观众统计数据的编程,响应于用户通过用户台的请求,以“按需”的方式发送具有较低收视率统计的编程。 订户站维护由对应的会话控制管理器提供的当前可用和当前发送的信道的映射。 在优选实施例中,信息传递系统采用混合光纤同轴(HFC)系统的形式。
    • 5. 发明授权
    • Secure distribution of video on-demand
    • US06229895B1
    • 2001-05-08
    • US09267800
    • 1999-03-12
    • Yong Ho SonChristopher Goode
    • Yong Ho SonChristopher Goode
    • H04N7167
    • H04N21/4542H04N7/1675H04N7/17309H04N7/17318H04N21/2347H04N21/23473H04N21/23476H04N21/47202
    • In accordance with a first aspect, a remote server receives video programming in a first encrypted form and stores the video programming. After the remote server receives a request from a subscriber station for transmission of the video programming, the remote server decrypts the video programming, re-encrypts the video programming into a second encrypted form, and then transmits the video programming to the subscriber station. In accordance with a second aspect, a remote server receives video programming in a first encrypted form, decrypts the video programming, re-encrypts the video programming into a second encrypted form, and then stores the video programming. After the remote server receives a request from a subscriber station, the remote server simply transmits the video programming. In accordance with a third aspect, a remote server receives video programming in a first encrypted form and stores the video programming. After the remote server receives a request from a subscriber station, the remote server passes through the video content by transmitting the video programming. In accordance with a fourth aspect, a remote server receives pre-encrypted video programming and stores it. After the remote server receives a request from a subscriber station, the remote server completes encryption of the video programming and then transmits the video programming.
    • 9. 发明授权
    • System for interactively distributing information services having a remote video session manager
    • 用于交互地分发具有远程视频会话管理器的信息服务的系统
    • US06305019B1
    • 2001-10-16
    • US09116759
    • 1998-07-16
    • Bradley L. DyerDwight Wesley FronsdahlMichael S. GillChristopher GoodeJohn Mark RandallSteve Zack
    • Bradley L. DyerDwight Wesley FronsdahlMichael S. GillChristopher GoodeJohn Mark RandallSteve Zack
    • H04N7173
    • H04N21/47202H04N7/17336H04N21/2225H04N21/6543
    • An interactive information distribution system includes service provider equipment for generating an information stream that is coupled to an information channel and transmitted to subscriber equipment. The service provider also generates a command signal that is coupled to a command channel and transmitted to the subscriber equipment. The service provider also receives information manipulation requests from the subscriber via a back channel. A communication network supporting the information channel, command channel and back channel is coupled between the service provider equipment and the subscriber equipment. The service provider equipment contains two geographically distributed components: central server equipment and a remote video session manager. The central server equipment provides information streams to the remote video session manager in response to information manipulation commands. The remote video session manager monitors and controls distribution of the information stream's substreams to a plurality of subscriber terminals.
    • 交互式信息分发系统包括用于生成耦合到信息信道并发送给订户设备的信息流的服务提供商设备。 服务提供商还产生一个命令信号,该命令信号耦合到一个命令信道并发送给用户设备。 服务提供商还通过后向信道从订户接收信息操纵请求。 支持信息信道,命令信道和反向信道的通信网络耦合在服务提供商设备和用户设备之间。 服务提供商设备包含两个地理位置分布的组件:中央服务器设备和远程视频会话管理器。 中央服务器设备响应于信息操纵命令向远程视频会话管理器提供信息流。 远程视频会话管理器监视和控制信息流的子流到多个用户终端的分发。