Pair gain test unit for use in a combined telephony/video co-axial cable
termination unit
    71.
    发明授权
    Pair gain test unit for use in a combined telephony/video co-axial cable termination unit 失效
    配对增益测试单元,用于组合电话/视频同轴电缆终端单元

    公开(公告)号:US5946374A

    公开(公告)日:1999-08-31

    申请号:US989952

    申请日:1997-12-12

    申请人: David M. Bower

    发明人: David M. Bower

    摘要: A test system for performing pair gain tests within a co-axial cable termination unit of a combined telephony/video system is described. The combined telephony/video system provides a set of telephony channels and video channels to the co-axial cable termination unit over a single combined telephony/video transmission line. The co-axial cable termination unit includes interface circuitry in the form of modems, CODEC's, and the like, for interfacing the set of telephony channels provided on the combined telephony/video transmission line with a set of respective telephone lines connected into a subscriber location The interface circuitry also routes the video channel of the combined telephony/video transmission line onto a video-only co-axial cable also connected into the subscriber location. To accommodate pair gain testing, the co-axial cable termination unit also includes a pair gain test unit for verifying the operation of a single telephony channel provided on the combined telephony/video transmission line and a switch for connecting the pair gain test unit to a selected one of the set of telephone lines connected to the interface system to permit the test unit to test the telephony channel associated with the selected telephone line. In this manner only a single pair gain test unit is required within each co-axial cable termination unit.

    摘要翻译: 描述了用于在组合电话/视频系统的同轴电缆终端单元内执行配对增益测试的测试系统。 组合的电话/视频系统通过单个组合电话/视频传输线路向同轴电缆终端单元提供一组电话通道和视频信道。 同轴电缆终端单元包括调制解调器,CODEC等形式的接口电路,用于将组合的电话/视频传输线上提供的一组电话信道与连接到用户位置的一组相应的电话线进行接口 接口电路还将组合电话/视频传输线的视频信道路由到也连接到用户位置的仅视频同轴电缆上。 为了适应对增益测试,同轴电缆终端单元还包括用于验证组合的电话/视频传输线上提供的单个电话信道的操作的对增益测试单元和用于将对增益测试单元连接到 选择连接到接口系统的一组电话线路中的一个,以允许测试单元测试与所选择的电话线路相关联的电话信道。 以这种方式,在每个同轴电缆终端单元中仅需要单对增益测试单元。

    System and method for providing switching between paths in a
telecommunications system
    72.
    发明授权
    System and method for providing switching between paths in a telecommunications system 失效
    用于在电信系统中的路径之间提供切换的系统和方法

    公开(公告)号:US5936938A

    公开(公告)日:1999-08-10

    申请号:US961862

    申请日:1997-10-31

    IPC分类号: H04L1/22

    CPC分类号: H04L1/22

    摘要: An automatic switching system and method is provided for switching between paths in a telecommunications switching system. A first circuit in each path receives substantially identical telecommunications signals containing telecommunications data and transmits substantially identical digital signals containing the telecommunications data. The first circuit is capable of detecting whether errors have occurred during transmission of the telecommunications signals, and of inserting into the digital signals an error indicator if a transmission error has been detected. At least one second circuit in each path accepts the digital signals from the first circuit in a selected path, and is capable of detecting whether the error indicator is present, and automatically switching to accept the digital signals from the first circuit in the non-selected path in response to detection of the error indicator.

    摘要翻译: 提供一种用于在电信交换系统中的路径之间切换的自动切换系统和方法。 每个路径中的第一电路接收包含电信数据的基本相同的电信信号,并发送包含电信数据的基本上相同的数字信号。 第一电路能够检测在电信信号的传输期间是否发生错误,并且如果检测到传输错误,则将数字信号插入到错误指示器中。 每个路径中的至少一个第二电路在所选择的路径中接收来自第一电路的数字信号,并且能够检测是否存在错误指示符,并且自动切换以接收来自未选择的第一电路的数字信号 响应于错误指示器的检测。

    Housing for a fan
    73.
    发明授权
    Housing for a fan 失效
    房屋为风扇

    公开(公告)号:US5906475A

    公开(公告)日:1999-05-25

    申请号:US969068

    申请日:1997-11-12

    CPC分类号: F04D29/601 Y10T403/60

    摘要: A housing (10) for a cooling fan (56) includes a first side wall (12) and a second side wall (14) separated by a front wall (16). A first wall portion (22) extends from the first side wall (22) toward the second side wall (14) and opposite from the front wall (16). A second wall portion (26) extends from the second side wall (14) toward the first side wall (12) and opposite from the front wall (16). A first flexible member (30) on the first wall portion (22) extends along the first side wall (12) and is arched toward the front wall (16). A second flexible member (32) on the second wall portion (26) extends along the second side wall (14) and is arched toward the front wall (16). A cooling fan (56) is inserted into the housing (10), compressing the first flexible member (30) and the second flexible member (32) that force the cooling fan (56) against the front wall (16). The front wall (16) may include tabs (42, 46, 48, 50) to enhance the ability to secure the cooling fan (56) within the housing (10).

    摘要翻译: 用于冷却风扇(56)的壳体(10)包括由前壁(16)分开的第一侧壁(12)和第二侧壁(14)。 第一壁部分(22)从第一侧壁(22)向第二侧壁(14)延伸并与前壁(16)相对。 第二壁部分(26)从第二侧壁(14)朝着第一侧壁(12)延伸并与前壁(16)相对。 第一壁部分(22)上的第一柔性构件(30)沿着第一侧壁(12)延伸并且朝向前壁(16)弯曲。 第二壁部分(26)上的第二柔性构件(32)沿第二侧壁(14)延伸并且朝向前壁(16)弯曲。 将冷却风扇(56)插入到壳体(10)中,压缩第一柔性构件(30)和迫使冷却风扇(56)抵靠前壁(16)的第二柔性构件(32)。 前壁(16)可以包括突片(42,46,48,50),以增强将冷却风扇(56)固定在壳体(10)内的能力。

    Time slot interchanger and digital communications terminal for ISDN
D-channel assembly
    74.
    发明授权
    Time slot interchanger and digital communications terminal for ISDN D-channel assembly 失效
    时隙交换器和ISDN D通道组合的数字通信终端

    公开(公告)号:US5905735A

    公开(公告)日:1999-05-18

    申请号:US759391

    申请日:1996-12-04

    申请人: David G. Wille

    发明人: David G. Wille

    IPC分类号: H04J3/14 H04Q11/04 H04J3/16

    CPC分类号: H04J3/14 H04Q11/0471

    摘要: The invention comprises a time slot interchanger and method for multiplexing ISDN D-channel signals into multiplexed signals in a digital communications terminal. One method comprises receiving a frame of communication signals wherein some of the communication signals represent ISDN D-channel signals wherein each ISDN D-channel signal is represented by a first number of data bits and a second number of other bits. The first number of data bits are stored in one of four memories--a first memory, second memory, third memory or fourth memory. The data bits are stored during a first frame period. Multiplexed signals are then assembled wherein a multiplexed signal comprises a multiplexed combination of the data bits of ISDN D-channel signals retrieved from the frame of communications signals. The multiplexed signals are assembled by storing the data bits of at least two ISDN D-channel signals, each set of data bits stored at the same memory address but in a separate one of the first, second, third or fourth memories.

    摘要翻译: 本发明包括时隙交换器和用于将ISDN D信道信号复用到数字通信终端中的复用信号的方法。 一种方法包括接收通信信号帧,其中一些通信信号表示ISDN D信道信号,其中每个ISDN D信道信号由第一数量的数据位和第二数量的其他位表示。 第一数据位数存储在四个存储器之一 - 第一存储器,第二存储器,第三存储器或第四存储器中。 在第一帧周期期间存储数据位。 然后组合多路复用信号,其中多路复用信号包括从通信信号帧检索的ISDN D信道信号的数据位的复用组合。 复用的信号通过存储至少两个ISDN D信道信号的数据位,每组数据位存储在相同的存储器地址上,但存储在第一,第二,第三或第四存储器中的单独的一个中。

    Time slot interchanger and digital communications terminal for ISDN
D-channel assembly
    75.
    发明授权
    Time slot interchanger and digital communications terminal for ISDN D-channel assembly 失效
    时隙交换器和ISDN D通道组合的数字通信终端

    公开(公告)号:US5905734A

    公开(公告)日:1999-05-18

    申请号:US759390

    申请日:1996-12-04

    IPC分类号: H04Q11/04 H04Q11/08 H04J3/16

    摘要: The invention comprises a time slot interchanger and method for multiplexing ISDN D-channel signals into multiplexed signals in a digital communications terminal. The method comprises receiving a frame of communication signals wherein some of the communication signals represent ISDN D-channel signals. The frame of communication signals is stored in memory during a first frame period. During a second frame period, at least some of the stored communication signals are retrieved from memory. Multiplexed signals are assembled wherein each multiplexed signal comprises a multiplexed combination of the data bits of ISDN D-channel signals retrieved from memory. The multiplexed signals are then output during a second frame period.

    摘要翻译: 本发明包括时隙交换器和用于将ISDN D信道信号复用到数字通信终端中的复用信号的方法。 该方法包括接收通信信号的帧,其中一些通信信号表示ISDN D信道信号。 通信信号的帧在第一帧周期期间被存储在存储器中。 在第二帧周期期间,从存储器检索存储的通信信号中的至少一些。 组合多路复用信号,其中每个复用信号包括从存储器检索的ISDN D信道信号的数据位的多路复合组合。 然后在第二帧周期期间输出复用的信号。

    System and method for controlling timing in a distributed digital
cross-connect system
    76.
    发明授权
    System and method for controlling timing in a distributed digital cross-connect system 失效
    用于控制分布式数字交叉连接系统中的定时的系统和方法

    公开(公告)号:US5901136A

    公开(公告)日:1999-05-04

    申请号:US774156

    申请日:1996-12-26

    CPC分类号: H04J3/0691 H04Q11/04

    摘要: A timing system (100) for coordinating the components of a distributed digital cross-connect system (10) is provided. The timing system (100) includes a master timing system (102) that receives a network timing reference (98, 99) and generates a master timing signal. A distributed services node timing system (104, 106) is connected to the master timing system (102) and receives the master timing signal. The distributed services node timing system (104, 106) then embeds a timing signal in a data transmission frame (150). Two or more digital cross-connect timing systems (108) are connected to the distributed services node timing system (104, 106) and receive the data transmission frame (150). The digital cross-connect timing systems (108) retrieve the embedded timing signal from the data transmission frame (150).

    摘要翻译: 提供了一种用于协调分布式数字交叉连接系统(10)的组件的定时系统(100)。 定时系统(100)包括接收网络定时参考(98,99)并产生主定时信号的主定时系统(102)。 分布式业务节点定时系统(104,106)连接到主定时系统(102)并且接收主定时信号。 分布式业务节点定时系统(104,106)然后在数据传输帧(150)中嵌入定时信号。 两个或多个数字交叉连接定时系统(108)连接到分布式服务节点定时系统(104,106),并接收数据传输帧(150)。 数字交叉连接定时系统(108)从数据传输帧(150)检索嵌入的定时信号。

    Apparatus and method for analyzing packet data streams
    79.
    发明申请
    Apparatus and method for analyzing packet data streams 审中-公开
    用于分析数据包数据流的装置和方法

    公开(公告)号:US20070081471A1

    公开(公告)日:2007-04-12

    申请号:US11530082

    申请日:2006-09-08

    IPC分类号: H04J1/16 H04L12/56

    CPC分类号: H04L43/18 H04L43/028

    摘要: An apparatus and method for analyzing data streams in a data transmission environment. In one embodiment, the method involves: capturing data from at least one data stream at two or more taps associated with a system under test (SUT); filtering the captured data to extract data packets belonging to one or more data types; analyzing extracted data packets of each data type using packet header and payload information of the extracted data packets; and outputting results obtained from analyzing the extracted data packets.

    摘要翻译: 一种用于在数据传输环境中分析数据流的装置和方法。 在一个实施例中,该方法涉及:在与被测系统(SUT)相关联的两个或多个抽头处从至少一个数据流捕获数据; 过滤所捕获的数据以提取属于一个或多个数据类型的数据分组; 使用提取的数据分组的分组报头和有效载荷信息来分析每种数据类型的提取的数据分组; 并输出从分析提取的数据分组获得的结果。

    RF connector/cable release mechanism
    80.
    发明授权
    RF connector/cable release mechanism 失效
    射频连接器/电缆释放机构

    公开(公告)号:US07201598B2

    公开(公告)日:2007-04-10

    申请号:US11411409

    申请日:2006-04-25

    IPC分类号: H01R13/627

    CPC分类号: H01R13/6335 H01R13/633

    摘要: An actuating device for a connector having a push-pull coupling mechanism is disclosed. The device comprises a release pull integrated with the connector and configured to operably engage the push-pull coupling mechanism, and a grip, coupled to the release pull and remote from the push-pull coupling mechanism, to which force may be applied to cause the release pull to actuate the push-pull coupling mechanism.

    摘要翻译: 公开了一种用于具有推 - 拉耦合机构的连接器的致动装置。 该装置包括与连接器一体化的并且构造成可操作地接合推挽联接机构的释放拉力,以及联接到释放拉力并远离推挽联接机构的把手,可以施加力以使得 释放拉动以致动推挽联接机构。