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    System and method of processing a satellite signal
    3.
    发明申请
    System and method of processing a satellite signal 有权
    处理卫星信号的系统和方法

    公开(公告)号：US20070174875A1

    公开(公告)日：2007-07-26

    申请号：US11337782

    申请日：2006-01-23

    申请人： Brad Medford ,  Ahmad Ansari ,  Dinesh Nadarajah

    发明人： Brad Medford ,  Ahmad Ansari ,  Dinesh Nadarajah

    IPC分类号： H04N7/20

    CPC分类号： H04N21/4382 ,  H04N21/6143

    摘要： A system and method of processing a satellite signal is disclosed. In a particular embodiment, the method includes receiving a satellite signal at a receiver, where the satellite signal includes a Moving Picture Experts Group (MPEG) portion and a radio frequency (RF) portion. The method also includes decoding the satellite signal to produce a digital MPEG transport stream signal that includes the MPEG portion, by removing the RF portion from the satellite signal without substantially altering the MPEG portion. The method also includes transmitting the digital MPEG transport stream signal to a vestigial sideband (VSB) modulator, where the VSB modulator transmodulates the digital MPEG transport stream signal to a VSB signal.

    摘要翻译： 公开了一种处理卫星信号的系统和方法。 在特定实施例中，该方法包括在接收机处接收卫星信号，其中卫星信号包括运动图像专家组（MPEG）部分和射频（RF）部分。 该方法还包括通过从卫星信号中移除RF部分而基本上不改变MPEG部分来解码卫星信号以产生包括MPEG部分的数字MPEG传输流信号。 该方法还包括将数字MPEG传输流信号发送到残留边带（VSB）调制器，其中VSB调制器将数字MPEG传输流信号转换为VSB信号。

    System and method for multi-rate video delivery using multicast stream
    4.
    发明授权
    System and method for multi-rate video delivery using multicast stream 有权
    使用多播流的多速率视频传送的系统和方法

    公开(公告)号：US08571027B2

    公开(公告)日：2013-10-29

    申请号：US11788237

    申请日：2007-04-18

    申请人： Dinesh Nadarajah

    发明人： Dinesh Nadarajah

    IPC分类号： H04L12/28 ,  H04L12/56 ,  H04J3/26 ,  H04N7/173 ,  H04N11/02 ,  H04N11/04

    CPC分类号： H04L12/1836 ,  H04L65/4076 ,  H04L65/602

    摘要： Systems and methods for multi-rate media data delivery using multiple IP multicast streams are provided. According to example embodiments disclosed herein, the method may include determining a plurality of stream bit rates based on a plurality of demanded bit rates of a plurality of output media data streams and a first algorithm. The method may further include receiving an input media signal and generating a plurality of encoded data streams using the input media signal. The encoded data streams may have encoded bit rates, substantially the same as the stream bit rates. The example method may also include, using a second algorithm and the encoded data streams to generate output data streams at the demanded bit rates. In an example embodiment, the system may comprise a multi-rate encoder and a stream generator, to generate a plurality of encoded streams at the encoded bit rates.

    摘要翻译： 提供了使用多个IP多播流的多速率媒体数据传送的系统和方法。 根据本文公开的示例实施例，该方法可以包括基于多个输出媒体数据流的多个请求比特率和第一算法来确定多个流比特率。 该方法还可以包括接收输入媒体信号并使用输入媒体信号产生多个编码数据流。 编码数据流可以具有与流比特率基本相同的编码比特率。 示例性方法还可以包括使用第二算法和编码数据流以所请求的比特率生成输出数据流。 在示例实施例中，系统可以包括多速率编码器和流生成器，以便以编码比特率生成多个编码流。

    Distributing DBS content to multiple receivers over a single coaxial cable
    5.
    发明授权
    Distributing DBS content to multiple receivers over a single coaxial cable 有权
    通过单个同轴电缆将DBS内容分发到多个接收器

    公开(公告)号：US08209726B2

    公开(公告)日：2012-06-26

    申请号：US12723167

    申请日：2010-03-12

    申请人： Dinesh Nadarajah ,  Ahmad C. Ansari

    发明人： Dinesh Nadarajah ,  Ahmad C. Ansari

    IPC分类号： H04N7/20

    CPC分类号： H04H20/63 ,  H04H20/76 ,  H04H40/90 ,  H04N7/106

    摘要： A satellite transponder switch (STS) maintains a table that maps set-top boxes (STBs) to carrier frequencies. The STS receives a first request from a first STB for a first transponder band and a second request from a second STB for a second transponder band. The STS receives contact from the first STB on a control channel upon power-up of the first STB and in response to the contact from the first STB, assigns a first carrier frequency to the first STB. The STS frequency shifts the first transponder band to a first carrier frequency assigned to the first STB and the second transponder band to a second carrier frequency assigned to the second STB. The STS outputs a signal that comprises the frequency-shifted first and second transponder bands to the first STB and the second STB. The frequency-shifted first and second transponder bands are separated by a separation band. A first carrier frequency of the signal is unique to the first STB and a second carrier frequency of the signal is unique to the second STB.

    摘要翻译： 卫星转发器交换机（STS）维护一个将机顶盒（STB）映射到载波频率的表格。 STS从第一STB接收第一应答器频带的第一请求和来自第二STB的用于第二应答器频带的第二请求。 STS在第一STB上电时从控制信道上的第一STB接收联系，并且响应于来自第一STB的联系，向第一STB分配第一载波频率。 STS频率将第一应答器频带移动到分配给第一STB和第二应答器频带的第一载波频率到分配给第二STB的第二载波频率。 STS将包括频移的第一和第二应答器频带的信号输出到第一STB和第二STB。 频移的第一和第二应答器频带被分离频带分离。 信号的第一载波频率对于第一STB是唯一的，并且信号的第二载波频率对于第二STB是唯一的。

    System and method for parallel channel scanning
    6.
    发明申请
    System and method for parallel channel scanning 有权
    并行通道扫描的系统和方法

    公开(公告)号：US20070182855A1

    公开(公告)日：2007-08-09

    申请号：US11346641

    申请日：2006-02-03

    申请人： Dinesh Nadarajah

    发明人： Dinesh Nadarajah

    IPC分类号： H04N5/45 ,  H04N5/50

    CPC分类号： H04N5/45 ,  H04N5/50 ,  H04N21/232 ,  H04N21/25866 ,  H04N21/4316 ,  H04N21/4532 ,  H04N21/482 ,  H04N21/64322 ,  H04N21/6547 ,  H04N21/6581

    摘要： A system and method are disclosed for receiving a group of video channels at a client device, selecting a display set from the group of channels, and sending a communication to a display for displaying each channel in the display set in parallel wherein each one of the channels in the display set is displayed in one of a plurality of picture in picture (PIP) displays for a predetermined time.

    摘要翻译： 公开了一种用于在客户端设备处接收一组视频信道的系统和方法，从该组信道中选择一个显示集合，并将通信发送到一个显示器，用于显示并行显示集合中的每个信道，其中每个 显示组中的通道以预定时间显示在多个画中画（PIP）显示中的一个中。

    System and method to provide a unified video signal for diverse receiving platforms
    7.
    发明授权
    System and method to provide a unified video signal for diverse receiving platforms 有权
    系统和方法为不同的接收平台提供统一的视频信号

    公开(公告)号：US08966563B2

    公开(公告)日：2015-02-24

    申请号：US13021914

    申请日：2011-02-07

    申请人： Ahmad C. Ansari ,  Dinesh Nadarajah ,  David Bruce Hartman

    发明人： Ahmad C. Ansari ,  Dinesh Nadarajah ,  David Bruce Hartman

    IPC分类号： H04N7/173 ,  H04N7/16 ,  H04N21/2343 ,  H04N21/4402

    CPC分类号： H04N21/25825 ,  H04N7/106 ,  H04N7/163 ,  H04N21/234327 ,  H04N21/234363 ,  H04N21/23439 ,  H04N21/2393 ,  H04N21/4353 ,  H04N21/4358 ,  H04N21/440227 ,  H04N21/44029 ,  H04N21/4408 ,  H04N21/47202 ,  H04N21/6334 ,  H04N21/6336

    摘要： A system includes a signal-processing engine configured to generate a video data stream including a plurality of data packets based on a received video signal. A first subset of the plurality of data packets is usable to generate a video display of content having a first quality and all of the plurality of data packets are usable to generate a second video display of the content having a second quality. The second quality is higher than the first quality. The signal-processing engine is further configured to distinguish the first subset of the plurality of data packets from other data packets of the plurality of data packets by applying a tag to particular data packets to form tagged data packets. The system also includes a transmitter coupled to the signal-processing engine and configured to transmit the plurality of data packets of the video data stream.

    摘要翻译： 一种系统包括：信号处理引擎，被配置为基于所接收的视频信号生成包括多个数据分组的视频数据流。 多个数据分组的第一子集可用于生成具有第一质量的内容的视频显示，并且所有多个数据分组都可用于生成具有第二质量的内容的第二视频显示。 第二品质高于第一品质。 信号处理引擎还被配置为通过将标签应用于特定数据分组来形成标记的数据分组来区分多个数据分组的第一子集与多个数据分组中的其他数据分组。 该系统还包括耦合到信号处理引擎并被配置为发送视频数据流的多个数据分组的发射机。

    Network based proxy control of content
    9.
    发明授权
    Network based proxy control of content 有权
    网络代理控制内容

    公开(公告)号：US07725582B2

    公开(公告)日：2010-05-25

    申请号：US10339310

    申请日：2003-01-10

    申请人： Dinesh Nadarajah

    发明人： Dinesh Nadarajah

    IPC分类号： G06F15/173

    CPC分类号： H04L63/0281 ,  G06F21/10 ,  H04L29/06 ,  H04L29/06027 ,  H04L63/029 ,  H04L63/0442 ,  H04L63/0464 ,  H04L63/06 ,  H04L65/103 ,  H04L65/104 ,  H04L65/1043 ,  H04L69/329 ,  H04L2463/101

    摘要： A communications system serves as a proxy for a user device in a communications network. The communications system includes a network gateway that receives content in response to a user initiated content utilization attempt from a user device. A computer receives the content from the network gateway and, in response to receiving the content, determines whether the content utilization by the user can be permitted. The computer can also determine whether the content utilization by the user can be completed.

    摘要翻译： 通信系统用作通信网络中的用户设备的代理。 通信系统包括网络网关，其响应于来自用户设备的用户发起的内容利用尝试而接收内容。 计算机从网络网关接收内容，并且响应于接收到内容，确定是否允许用户的内容利用。 计算机还可以确定用户的内容利用率是否可​​以完成。

    System and method for multi-rate video delivery using multicast stream
    10.
    发明申请
    System and method for multi-rate video delivery using multicast stream 有权
    使用多播流的多速率视频传送的系统和方法

    公开(公告)号：US20080259921A1

    公开(公告)日：2008-10-23

    申请号：US11788237

    申请日：2007-04-18

    申请人： Dinesh Nadarajah

    发明人： Dinesh Nadarajah

    IPC分类号： H04L12/56

    CPC分类号： H04L12/1836 ,  H04L65/4076 ,  H04L65/602

    摘要： Systems and methods for multi-rate media data delivery using multiple IP multicast streams are provided. According to example embodiments disclosed herein, the method may include determining a plurality of stream bit rates based on a plurality of demanded bit rates of a plurality of output media data streams and a first algorithm. The method may further include receiving an input media signal and generating a plurality of encoded data streams using the input media signal. The encoded data streams may have encoded bit rates, substantially the same as the stream bit rates. The example method may also include, using a second algorithm and the encoded data streams to generate output data streams at the demanded bit rates. In an example embodiment, the system may comprise a multi-rate encoder and a stream generator, to generate a plurality of encoded streams at the encoded bit rates.

    摘要翻译： 提供了使用多个IP多播流的多速率媒体数据传送的系统和方法。 根据本文公开的示例实施例，该方法可以包括基于多个输出媒体数据流的多个请求比特率和第一算法来确定多个流比特率。 该方法还可以包括接收输入媒体信号并使用输入媒体信号产生多个编码数据流。 编码数据流可以具有与流比特率基本相同的编码比特率。 示例性方法还可以包括使用第二算法和编码数据流以所请求的比特率生成输出数据流。 在示例实施例中，系统可以包括多速率编码器和流发生器，以便以编码比特率生成多个编码流。