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    • 1. 发明申请
    • DIGITAL VIDEO RECORDER (DVR) METHODS AND APPARATUS
    • 数字录像机(DVR)方法和装置
    • US20120204215A1
    • 2012-08-09
    • US13023330
    • 2011-02-08
    • Michael T. HayashiKenneth Gould
    • Michael T. HayashiKenneth Gould
    • H04N7/173
    • H04N21/23106H04N21/4334H04N21/4622H04N21/47202H04N21/482H04N21/4821
    • Digital video recorder (DVR) methods and apparatus are described. By combining DVR and on-demand functionality a large number of programs selected by a user can be made available to the DVR user and may be included in a single content availability list. The list may indicate whether the recording is available via an on-demand service or is locally recorded/stored content. When the user selects content for recording a check is automatically made to determine if the content is available via an on-demand server. If the content is available via an on-demand server the user is provided the opportunity to choose between the content being recorded by the DVR or being added to the recordings list but supplied via the on-demand server. In some embodiments the user may select the DVR to default to on-demand content supply as opposed to local recording when the content is available for on-demand delivery.
    • 描述数字录像机(DVR)的方法和装置。 通过组合DVR和点播功能,用户选择的大量节目可以被提供给DVR用户,并且可以被包括在单个内容可用性列表中。 列表可以指示记录是否可通过点播服务获得或者是本地记录/存储的内容。 当用户选择用于记录检查的内容被自动作出以通过点播服务器确定内容是否可用时。 如果内容可通过点播服务器获得,则用户被提供在由DVR记录的内容或被添加到记录列表但是经由点播服务器提供的内容之间进行选择的机会。 在一些实施例中,当内容可用于按需传递时,用户可以将DVR选择为默认为按需内容供应而不是本地记录。
    • 4. 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。
    • 8. 发明申请
    • Methods and apparatus for centralized and decentralized emergency alert messaging
    • 集中式和分散式紧急警报信息的方法和装置
    • US20090248828A1
    • 2009-10-01
    • US12079781
    • 2008-03-28
    • Kenneth GouldGeorge Sarosi
    • Kenneth GouldGeorge Sarosi
    • G06F15/16G06Q99/00
    • H04N21/814G08B27/005H04L67/18H04N21/41407H04N21/8146H04W4/02
    • Apparatus and methods for providing emergency alert system (EAS) data to subscribers of a content-based network for multiple locations including via mobile devices. In one embodiment, the apparatus comprises a server performing real-time receipt and encapsulation of the EAS data, transport of the EAS data to client devices over an IP or other packet-switched network, and use of applications running on the client devices to decode and display the EAS data. In one variant, a centralized EAS (CEAS) entity is used to aggregate and distribute EAS messages to video registration servers (VRS), which use stored client device data and user preferences to map delivery of relevant EAMs over the IP network. In another variant, instant messaging (IM) infrastructure is used to deliver and display at least portion of the EAS data via a separate transport process.
    • 用于向包括经由移动设备的多个位置的基于内容的网络的订户提供紧急警报系统(EAS)数据的设备和方法。 在一个实施例中,该设备包括执行EAS数据的实时接收和封装的服务器,通过IP或其他分组交换网络将EAS数据传输到客户端设备,以及使用在客户端设备上运行的应用程序进行解码 并显示EAS数据。 在一个变型中,集中式EAS(CEAS)实体用于将EAS消息聚合并分发给视频注册服务器(VRS),视频注册服务器使用存储的客户端设备数据和用户偏好来通过IP网络映射相关EAM的传递。 在另一个变型中,即时消息(IM)基础设施用于经由单独的传输过程来递送和显示至少部分EAS数据。
    • 9. 发明授权
    • System and method for determining whether DOCSIS-enabled devices in a HFC cable network are co-located
    • 用于确定HFC电缆网络中的启用DOCSIS的设备是否位于同一位置的系统和方法
    • US07539145B2
    • 2009-05-26
    • US11240130
    • 2005-09-30
    • Doug SemonKenneth Gould
    • Doug SemonKenneth Gould
    • H04J1/16
    • H04L12/66
    • A system and method for determining if DOCSIS-enabled devices (DEDs) connected to an HFC cable network are co-located. Subscriber account data is acquired to determine the DEDs associated with a subscriber account. The MAC address of the DEC is used to obtain the MAC domain to which a DED is assigned and the ranging offset value associated with the DED. An alert is issued if multiple DEDs associated with a subscriber account are associated with different MAC domains. The alert signifies that DEDs associated with the account are not co-located. Where DEDs associated with an account are associated with the same MAC domain, the normalized ranging offset values associated with the subscriber's DEDs are compared to determine if the difference in their values exceeds a predetermined threshold. If the difference in their values exceeds a predetermined threshold, an alert is issued. The alert again signifies that DEDs associated with the account are not co-located.
    • 用于确定连接到HFC电缆网络的DOCSIS使能设备(DED)是否位于同一位置的系统和方法。 获取用户帐户数据以确定与用户帐户相关联的DED。 DEC的MAC地址用于获取分配了DED的MAC域和与DED相关联的测距偏移值。 如果与订户帐户相关联的多个DED与不同的MAC域相关联,则发出警报。 警报表示与帐户相关联的DED不在同一位置。 在与帐户相关联的DED与相同的MAC域相关联的情况下,与用户的DED相关联的归一化的测距偏移值进行比较,以确定其值中的差异是否超过预定阈值。 如果其值的差超过预定阈值,则发出警报。 警报再次表示与帐户相关联的DED不是共同定位的。
    • 10. 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。