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    • 2. 发明授权
    • System and method for controlling a digital video recorder on a cable network
    • 用于控制有线网络上的数字录像机的系统和方法
    • US07486869B2
    • 2009-02-03
    • US11001513
    • 2004-12-01
    • Paul AlexanderChristopher P. WilliamsKenneth GouldDavid Christman
    • Paul AlexanderChristopher P. WilliamsKenneth GouldDavid Christman
    • H04N5/76
    • H04N5/76H04N7/173H04N21/4147H04N21/4334H04N21/44227H04N21/4788
    • A system and method for controlling a digital video recorder on a cable network. Signaling associated with the answering or initiation of a digital telephone call by a digital telephone subscriber is used to issue commands to a digital video recorder (DVR). A signal is generated by an MTA when the telephone is enters an “off-hook” state and sent to the DVR to initiate recording of a program being viewed by the called party. When the phone goes “on-hook”, the called party resumes watching the program from exactly where it was interrupted. The MTA may be connected directly to the VTD/DVR and the telephone state is determined by the DVR from information provided by the MTA. Alternatively, a soft switch monitors signaling from the MTA indicative of the state of the called telephone. A telephone state message comprising the telephone state information is then sent over an out-of-band channel/path to a DVR client within the VTD. The DVR client uses the telephone state information to control a DVR.
    • 一种用于控制有线网络上的数字录像机的系统和方法。 使用与数字电话用户应答或启动数字电话呼叫相关联的信令,向数字录像机(DVR)发出命令。 当电话进入“摘机”状态时,信号由MTA生成,并发送到DVR以开始对被叫方正在观看的节目的记录。 当手机“挂机”时,被叫方恢复正在中断的地方观看该节目。 MTA可以直接连接到VTD / DVR,并且电话状态由DVR从MTA提供的信息确定。 或者,软开关监视来自MTA的指示被叫电话的状态的信令。 包括电话状态信息的电话状态消息然后通过带外信道/路径发送到VTD内的DVR客户端。 DVR客户端使用电话状态信息来控制DVR。
    • 3. 发明授权
    • System and method for controlling a digital video recorder in response to a telephone state transition
    • 响应于电话状态转换来控制数字录像机的系统和方法
    • US08204354B2
    • 2012-06-19
    • US12269169
    • 2008-11-12
    • Paul AlexanderChristopher P. WilliamsKenneth GouldDavid Christman
    • Paul AlexanderChristopher P. WilliamsKenneth GouldDavid Christman
    • H04N5/765
    • H04N5/76H04N7/173H04N21/4147H04N21/4334H04N21/44227H04N21/4788
    • A system and method for controlling a digital video recorder on a cable network. Signaling associated with the answering or initiation of a digital telephone call by a digital telephone subscriber is used to issue commands to a digital video recorder (DVR). A signal is generated by an MTA when the telephone is enters an “off-hook” state and sent to the DVR to initiate recording of a program being viewed by the called party. When the phone goes “on-hook”, the called party resumes watching the program from exactly where it was interrupted. The MTA may be connected directly to the VTD/DVR and the telephone state is determined by the DVR from information provided by the MTA. Alternatively, a soft switch monitors signaling from the MTA indicative of the state of the called telephone. A telephone state message comprising the telephone state information is then sent over an out-of-band channel/path to a DVR client within the VTD. The DVR client uses the telephone state information to control a DVR.
    • 一种用于控制有线网络上的数字录像机的系统和方法。 使用与数字电话用户应答或启动数字电话呼叫相关联的信令,向数字录像机(DVR)发出命令。 当电话进入“摘机”状态时,信号由MTA生成,并发送到DVR以开始对被叫方正在观看的节目的记录。 当手机“挂机”时,被叫方恢复正在中断的地方观看该节目。 MTA可以直接连接到VTD / DVR,并且电话状态由DVR从MTA提供的信息确定。 或者,软开关监视来自MTA的指示被叫电话的状态的信令。 包括电话状态信息的电话状态消息然后通过带外信道/路径发送到VTD内的DVR客户端。 DVR客户端使用电话状态信息来控制DVR。
    • 4. 发明申请
    • System and Method for Controlling a Digital Video Recorder on a Cable Network
    • 用于控制有线网络上的数字录像机的系统和方法
    • US20090060152A1
    • 2009-03-05
    • US12269169
    • 2008-11-12
    • Paul AlexanderChristopher P. WilliamsKenneth GouldDavid Christman
    • Paul AlexanderChristopher P. WilliamsKenneth GouldDavid Christman
    • H04M11/00H04N7/26
    • H04N5/76H04N7/173H04N21/4147H04N21/4334H04N21/44227H04N21/4788
    • A system and method for controlling a digital video recorder on a cable network. Signaling associated with the answering or initiation of a digital telephone call by a digital telephone subscriber is used to issue commands to a digital video recorder (DVR). A signal is generated by an MTA when the telephone is enters an “off-hook” state and sent to the DVR to initiate recording of a program being viewed by the called party. When the phone goes “on-hook”, the called party resumes watching the program from exactly where it was interrupted. The MTA may be connected directly to the VTD/DVR and the telephone state is determined by the DVR from information provided by the MTA. Alternatively, a soft switch monitors signaling from the MTA indicative of the state of the called telephone. A telephone state message comprising the telephone state information is then sent over an out-of-band channel/path to a DVR client within the VTD. The DVR client uses the telephone state information to control a DVR.
    • 一种用于控制有线网络上的数字录像机的系统和方法。 使用与数字电话用户应答或启动数字电话呼叫相关联的信令,向数字录像机(DVR)发出命令。 当电话进入“摘机”状态时,信号由MTA生成,并发送到DVR以开始对被叫方正在观看的节目的记录。 当手机“挂机”时,被叫方恢复正在中断的地方观看该节目。 MTA可以直接连接到VTD / DVR,并且电话状态由DVR从MTA提供的信息确定。 或者,软开关监视来自MTA的指示被叫电话的状态的信令。 包括电话状态信息的电话状态消息然后通过带外信道/路径发送到VTD内的DVR客户端。 DVR客户端使用电话状态信息来控制DVR。
    • 9. 发明授权
    • Methods and apparatus for efficient IP multicasting in a content delivery network
    • 在内容传送网络中高效IP组播的方法和装置
    • US08594116B2
    • 2013-11-26
    • US12754534
    • 2010-04-05
    • Kenneth Gould
    • Kenneth Gould
    • H04H20/10H04H20/28
    • H04L65/4076H04J3/245H04L5/0037H04L12/1859H04L12/1881
    • Methods and apparatus for assigning physical channels in a content-based network. In an exemplary embodiment, the network comprises a cable television network having a plurality of cable modems, and the physical channels are assigned to the cable modems based at least in part on any multicast transmissions that may exist on the system. When two cable modems are receiving the same multicast transmission, the invention causes tuning of one or more of the cable modems to the same physical channel in order to limit the total number multicast transmissions on the network. Multicast transmissions typically comprise video or audio information, but other types of information may also be multicast according to the invention. In another embodiment, a multicast transmission list (containing a list of multicast transmissions and the corresponding physical channels) is sent to the set of cable modems. This list is used by the modems (or associated CPE) to manage channel allocation and tuning.
    • 在基于内容的网络中分配物理信道的方法和装置。 在示例性实施例中,网络包括具有多个电缆调制解调器的有线电视网络,并且至少部分地基于系统上可能存在的任何多播传输将物理信道分配给电缆调制解调器。 当两个电缆调制解调器正在接收相同的多播传输时,本发明使一个或多个电缆调制解调器调谐到相同的物理信道,以限制网络上的总数多播传输。 组播传输通常包括视频或音频信息,但根据本发明,其他类型的信息也可以是多播的。 在另一个实施例中,将多播传输列表(包含多播传输和对应的物理信道的列表)发送到该组电缆调制解调器。 该列表由调制解调器(或相关CPE)用于管理信道分配和调谐。