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1. 发明申请

US20120019668A1 VIDEO SPECIFIC BUILT-IN SELF TEST AND SYSTEM TEST FOR CROSSPOINT SWITCHES 审中-公开
标题翻译：视频特定内置自检测试和系统测试用于CROSSPOINT开关
公开(公告)号：US20120019668A1
公开(公告)日：2012-01-26
申请号：US13138231
申请日：2010-01-21
申请人： Nigel Seth-Smith , John Hudson
发明人： Nigel Seth-Smith , John Hudson
IPC分类号： H04N17/00
CPC分类号： H04N17/004
摘要： A crosspoint selector switch and test module, comprising: a crosspoint switch having a plurality of inputs and a plurality of outputs, wherein the outputs can be selectively switched to respective inputs; and a test system co-packaged with the crosspoint switch, the test system comprising a test signal generator that can be selectively connected to provide signals to the inputs of the crosspoint switch and a test signal analyzer that can be selectively connected to receive signals from the outputs of the crosspoint switch, wherein the test signal generator is configured to produce video data test signals that conform to a known format, and the signal analyzer is configured to analyze video data test signals that conform to the known format.
摘要翻译：交叉点选择器开关和测试模块，包括：具有多个输入和多个输出的交叉点开关，其中所述输出可以选择性地切换到相应的输入; 以及与交叉点开关共同封装的测试系统，所述测试系统包括测试信号发生器，所述测试信号发生器可被选择性地连接以向所述交叉点开关的输入提供信号;以及测试信号分析器，所述测试信号分析器可被选择性地连接以从交叉点开关的输出，其中所述测试信号发生器被配置为产生符合已知格式的视频数据测试信号，并且所述信号分析器被配置为分析符合已知格式的视频数据测试信号。

2. 发明授权

US4829569A Communication of individual messages to subscribers in a subscription television system 失效
标题翻译：个人消息在订阅电视系统中的订户的通信
公开(公告)号：US4829569A
公开(公告)日：1989-05-09
申请号：US883301
申请日：1986-07-08
申请人： Nigel Seth-Smith , Cameron Bates , Samson Lim , William van Rassel , Robert Yoneda , Keith Lucas
发明人： Nigel Seth-Smith , Cameron Bates , Samson Lim , William van Rassel , Robert Yoneda , Keith Lucas
IPC分类号： H04N7/088 , H04N7/16
CPC分类号： H04N21/2543 , H04N7/0888 , H04N7/163
摘要： A subscription television system in which individual decoders are enabled to receive individually addressed messages is disclosed. The composite signal, including video and teletext, also comprises addressed packets, which are detected by decoders and which indicate that a message addressed to a particular subscriber is forthcoming, and system control data. The decoder detects an addressed packet addressed to itself, whereby it is enabled to select the appropriate teletext message and to display the same. In a preferred embodiment, both address packets and teletext are encrypted. The addressed packet is decrypted using a decoder-specific code and a system key transmitted as part of the system control data, while the teletext packet is decrypted using the system key, but cannot be received until the addressed packet has been decrypted. Therefore, redundant levels of security are provided to the system. Messages for display to the user can be selected in response to user initiated commands, in response to decoder initiation, or in response to the transmitter. In each case, the bulk of the data to be displayed is repetitively transmitted by the transmitter and is adapted to the particular user after receipt by supply of user-specific information generated or stored by the decoder. In this way, the memory requirements of the decoder are substantially minimized, while extensive flexibility in the choice of messages to be transmitted is provided.
摘要翻译：公开了一种使各个解码器能够接收单独寻址的消息的订阅电视系统。复合信号，包括视频和图文广播，还包括被解码器检测并且指示即将发送到特定用户的消息的寻址分组以及系统控制数据。解码器检测寻址到其自身的寻址分组，由此能够选择适当的图文消息并显示它。在优选实施例中，地址分组和图文电视都被加密。使用解码器特定的代码和作为系统控制数据的一部分发送的系统密钥来解密寻址的分组，同时使用系统密钥解密图文电视分组，但是在被寻址的分组被解密之前不能被接收。因此，系统提供冗余级别的安全性。可以响应于用户发起的命令，响应于解码器启动，或响应于发射机，来选择用于向用户显示的消息。在每种情况下，要显示的数据的大部分由发送器重复发送，并且在通过提供由解码器生成或存储的用户特定信息而被接收之后适合于特定用户。以这种方式，解码器的存储器要求被基本上最小化，同时提供了要发送的消息选择的广泛的灵活性。

3. 发明申请

US20050052577A1 Video signal format detector and generator system and method 有权
标题翻译：视频信号格式检测器和发生器系统及方法
公开(公告)号：US20050052577A1
公开(公告)日：2005-03-10
申请号：US10939095
申请日：2004-09-10
申请人： Nigel Seth-Smith , Dwayne Johnson , John Hudson
发明人： Nigel Seth-Smith , Dwayne Johnson , John Hudson
IPC分类号： H04N5/06 , H04N5/46
CPC分类号： H04N5/46 , H04N7/012 , H04N7/0122 , H04N9/641 , H04N21/4305
摘要： A video processing system and method are provided for generating clock and timing signals from an incoming video signal. The system includes a timing reference circuit for generating a reference clock signal, a video format detector coupled to the reference clock signal and to synchronization data derived from the incoming video signal for generating a format signal indicating the format of the incoming video signal, and a clock and timing generator circuit coupled to the format signal and the reference clock signal for generating clock and timing signals that emulate the incoming video signal, and may be locked to the incoming video signal.
摘要翻译：提供一种用于从输入视频信号产生时钟和定时信号的视频处理系统和方法。该系统包括用于产生参考时钟信号的定时参考电路，耦合到参考时钟信号的视频格式检测器和从输入视频信号导出的同步数据，用于产生指示输入视频信号的格式的格式信号，以及时钟和定时发生器电路，其耦合到格式信号和参考时钟信号，用于产生模拟输入视频信号的时钟和定时信号，并且可以锁定到输入视频信号。

4. 发明授权

US4890321A Communications format for a subscription television system permitting transmission of individual text messages to subscribers 失效
标题翻译：用于订阅电视系统的通信格式允许向用户发送单独的文本消息
公开(公告)号：US4890321A
公开(公告)日：1989-12-26
申请号：US253320
申请日：1988-09-30
申请人： Nigel Seth-Smith , Cameron Bates , Samson Lim , William van Rassel , Robert Yoneda , Keith Lucas
发明人： Nigel Seth-Smith , Cameron Bates , Samson Lim , William van Rassel , Robert Yoneda , Keith Lucas
IPC分类号： H04N7/03 , H04N7/083 , H04N7/088 , H04N7/167
CPC分类号： H04N7/1675 , H04N21/2351 , H04N21/2543 , H04N21/4627 , H04N21/47211 , H04N21/4882 , H04N7/03 , H04N7/083 , H04N7/0888
摘要： A subscription television system in which individual decoders are enabled to receive individually addressed messages is disclosed. The composite signal, including video and teletext, also comprises addressed packets which are detected by decoders and which indicate that a message addressed to a particular subscriber is forthcoming, and system control data. In a preferred embodiment, both addressed packets and teletext are encrypted. The addressed packet is decrypted using a decoder-specific code and a transmitted code, while the teletext message is decrypted using a decryption key contained in the system control data. The teletext message cannot be received until the addressed packet has been decrypted. Therefore, redundant levels of security are provided to the system. Messages for display to the user can be selected in response to user initiated commands, in response to decoder initiation, or in response to the transmitter.
摘要翻译：公开了一种使各个解码器能够接收单独寻址的消息的订阅电视系统。包括视频和图文电视的复合信号还包括由解码器检测并且指示即将发送到特定用户的消息的寻址分组以及系统控制数据。在优选实施例中，寻址分组和图文电视都被加密。使用解码器特定的代码和发送的代码对所寻址的分组进行解密，同时使用包含在系统控制数据中的解密密钥解密图文电视消息。在已解密的分组被解密之前，无法接收图文消息。因此，系统提供冗余级别的安全性。可以响应于用户发起的命令，响应于解码器启动，或响应于发射机，来选择用于向用户显示的消息。

5. 发明授权

US4890319A Method for controlling copying of protected information transmitted over a communications link 失效
标题翻译：用于控制通过通信链路发送的受保护信息的复制的方法
公开(公告)号：US4890319A
公开(公告)日：1989-12-26
申请号：US241939
申请日：1988-09-08
申请人： Nigel Seth-Smith , Cameron Bates , Samson Lim , William van Rassel , Robert Yoneda , Keith Lucas
发明人： Nigel Seth-Smith , Cameron Bates , Samson Lim , William van Rassel , Robert Yoneda , Keith Lucas
IPC分类号： H04N7/088 , H04N7/16
CPC分类号： H04N21/2543 , H04N7/0888 , H04N7/163
摘要： A subscription television system for distributing program material protected by copyright to subscribers comprises a transmitter including a data insertion circuit for inserting a control bit in a transmitted signal comprising other control data and the protected program material. A receiver of the system includes a memory for storing a pre-assigned subscriber identification. Upon receipt and identification of the control bit at the receiver, the receiver inserts the subscriber identification into the program material so that any unauthorized copy made of the program material may be found to include the subscriber identification.
摘要翻译：用于向用户分发受版权保护的节目素材的订阅电视系统包括：发射机，包括用于在包括其他控制数据和受保护节目素材的发射信号中插入控制位的数据插入电路。系统的接收机包括用于存储预分配的用户标识的存储器。在接收器接收和识别控制位时，接收器将用户识别符插入到节目资料中，以便可以发现由节目资料制作的任何未经授权的副本包括用户标识。

6. 发明申请

US20050052575A1 Composite color frame identifier system and method 有权
标题翻译：复合色框识别系统及方法
公开(公告)号：US20050052575A1
公开(公告)日：2005-03-10
申请号：US10935875
申请日：2004-09-08
申请人： Nigel Seth-Smith
发明人： Nigel Seth-Smith
IPC分类号： H04N9/44 , H04N9/455
CPC分类号： H04N9/44
摘要： A color frame identifier circuit generates a pseudo-subcarrier signal and compares the pseudo-subcarrier signal to a sliced color burst of at least one selected line in a video frame. Based on this comparison, a processing circuit determines the color frame.
摘要翻译：彩色帧标识符电路产生伪副载波信号，并将伪副载波信号与视频帧中的至少一条选定行的分片彩色脉冲串进行比较。基于该比较，处理电路确定色框。

7. 发明授权

US4866770A Method and apparatus for communication of video, audio, teletext, and data to groups of decoders in a communication system 失效
标题翻译：在通信系统中将视频，音频，图文电视和数据传送到解码器组的方法和装置
公开(公告)号：US4866770A
公开(公告)日：1989-09-12
申请号：US896261
申请日：1986-08-14
申请人： Nigel Seth-Smith , Cameron Bates , Samson Lim , William van Rassel , Robert Yoneda , Keith Lucas
发明人： Nigel Seth-Smith , Cameron Bates , Samson Lim , William van Rassel , Robert Yoneda , Keith Lucas
IPC分类号： H04H20/00 , H04N7/025 , H04N7/03 , H04N7/035 , H04N7/08 , H04N7/081 , H04N7/083 , H04N7/088 , H04N7/167
CPC分类号： H04N7/0888 , G06Q50/06 , H04N21/2347 , H04N21/26606 , H04N21/42684 , H04N21/4405 , H04N21/4882 , H04N7/03 , H04N7/083 , H04N7/1675
摘要： A communication system enabling transmission of individual subscriber teletext messages, audio and video to individual subscribers and permitting group communications of audio, video, teletext and data information from a single central subscriber location, such as a corporate head office to a plurality of satellite offices, such as field or sales offices of the corporation, is disclosed. A composite signal including the information to be transmitted as well as system wide, individual decoder and group decoder control signals is transmitted. The system-wide control signals include data germane to operation of each of the decoders of this system, including key information needed to decode the composite signal. The system-wide control data is transmitted at a first relatively high frequency. The group decoder information includes information permitting individual groups of decoders to receive information portion of the composite signal being transmitted at a given time. In this way, for example, an audio and video signal can be transmitted at a convenient time from a central location to a number of satellite locations. The group decoder control signal can also include signals used by the decoder to cause recording of the signals, e.g., by activating a video cassette recorder or the like. The group control signals also include signals defining service packages to which the individual groups may be assigned. The individual decoder messages include information relevant to the operation of each individual decoder, including further key information needed to decode the composite signal, and group assignment codes.
摘要翻译：一种通信系统，其能够将各个用户图文电视消息，音频和视频传输到各个用户，并且允许来自单个中央用户位置（例如公司总部到多个卫星办公室）的音频，视频，图文电视和数据信息的组通信，如公司的现场或销售办事处。发送包括要发送的信息以及系统范围的单独解码器和组解码器控制信号的复合信号。系统范围的控制信号包括与该系统的每个解码器的操作密切相关的数据，包括解码复合信号所需的密钥信息。系统范围的控制数据以第一相对较高的频率发送。组解码器信息包括允许各组解码器接收在给定时间发送的复合信号的信息部分的信息。以这种方式，例如，音频和视频信号可以在方便的时间从中央位置传输到多个卫星位置。组解码器控制信号还可以包括解码器使用的信号，例如通过激活录像机等来引起信号的记录。组控制信号还包括定义可以分配各个组的服务包的信号。单个解码器消息包括与每个单独解码器的操作相关的信息，包括解码复合信号所需的其他关键信息以及组分配码。

8. 发明授权

US08694711B2 Crosspoint switch for use in video and other applications 有权
标题翻译：交叉点开关用于视频和其他应用
公开(公告)号：US08694711B2
公开(公告)日：2014-04-08
申请号：US13138228
申请日：2010-01-21
申请人： Nigel Seth-Smith , John Hudson
发明人： Nigel Seth-Smith , John Hudson
IPC分类号： G06F13/00
CPC分类号： H04N5/268 , H04L49/101
摘要： A crosspoint selector switch for simultaneously supporting multiple data formats having different switch reconfiguration timing requirements, comprising; a configurable switch section for selectively connecting outputs thereof to receive data from respective inputs thereof in response to operational switch data; and a configuration section operatively connected to provide the operational switch data to the switch section, the configuration section storing switch configuration data supporting multiple different configurations of the switch section, the configuration section being operative to receive different operational update commands each associated with a different configuration for the switch section and update the operational switch data from the stored switch configuration data to reconfigure the switch section in dependence on which of the different operational update commands is received.
摘要翻译：交叉点选择器开关，用于同时支持具有不同开关重新配置时序要求的多种数据格式，包括：可配置开关部分，用于响应于操作开关数据选择性地连接其输出以从其相应输入端接收数据; 以及可操作地连接以将操作开关数据提供给开关部分的配置部分，所述配置部分存储支持所述开关部分的多个不同配置的开关配置数据，所述配置部分可操作以接收各自与不同配置相关联的操作更新命令并且根据所接收到的不同的操作更新命令中的哪一个来更新来自存储的开关配置数据的操作开关数据以重新配置开关部分。

9. 发明申请

US20130208812A1 HIGH-SPEED INTERFACE FOR ANCILLARY DATA FOR SERIAL DIGITAL INTERFACE APPLICATIONS 审中-公开
标题翻译：用于串行数字接口应用的高速数据接口
公开(公告)号：US20130208812A1
公开(公告)日：2013-08-15
申请号：US13806373
申请日：2011-06-22
申请人： John Hudson , Tarun Setya , Nigel Seth-Smith
发明人： John Hudson , Tarun Setya , Nigel Seth-Smith
IPC分类号： H04N7/085
CPC分类号： H04N7/085 , H04N21/23602
摘要： A high speed interface for ancillary data is provided. The interface extracts ancillary data encoded in a serial digital data signal received over the serial digital data input; assembles a plurality of data packets, each packet comprising identification information identifying the data packet, length information identifying a length of the data packet, and value information representing a portion of the extracted ancillary data; sequentially encodes the plurality of data packets within a high-speed data stream; and transmits the high speed data stream via a high speed data output.
摘要翻译：提供了用于辅助数据的高速接口。该接口提取通过串行数字数据输入接收的串行数字数据信号中编码的辅助数据; 组合多个数据分组，每个分组包括标识数据分组的标识信息，标识数据分组的长度的长度信息和表示提取的辅助数据的一部分的值信息; 在高速数据流内顺序编码多个数据分组; 并通过高速数据输出发送高速数据流。

10. 发明申请

US20110320678A1 CROSSPOINT SWITCH FOR USE IN VIDEO AND OTHER APPLICATIONS 有权
标题翻译： CROSSPOINT开关用于视频和其他应用
公开(公告)号：US20110320678A1
公开(公告)日：2011-12-29
申请号：US13138228
申请日：2010-01-21
申请人： Nigel Seth-Smith , John Hudson
发明人： Nigel Seth-Smith , John Hudson
IPC分类号： G06F13/00
CPC分类号： H04N5/268 , H04L49/101
摘要： A crosspoint selector switch for simultaneously supporting multiple data formats having different switch reconfiguration timing requirements, comprising; a configurable switch section for selectively connecting outputs thereof to receive data from respective inputs thereof in response to operational switch data; and a configuration section operatively connected to provide the operational switch data to the switch section, the configuration section storing switch configuration data supporting multiple different configurations of the switch section, the configuration section being operative to receive different operational update commands each associated with a different configuration for the switch section and update the operational switch data from the stored switch configuration data to reconfigure the switch section in dependence on which of the different operational update commands is received.
摘要翻译：交叉点选择器开关，用于同时支持具有不同开关重新配置时序要求的多种数据格式，包括：可配置开关部分，用于响应于操作开关数据选择性地连接其输出以从其相应输入端接收数据; 以及可操作地连接以将操作开关数据提供给开关部分的配置部分，所述配置部分存储支持所述开关部分的多个不同配置的开关配置数据，所述配置部分可操作以接收各自与不同配置相关联的操作更新命令并且根据所接收到的不同的操作更新命令中的哪一个来更新来自存储的开关配置数据的操作开关数据以重新配置开关部分。

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