FREQUENCY TRANSLATION MODULE PROTECTION CIRCUIT
    11.
    发明申请
    FREQUENCY TRANSLATION MODULE PROTECTION CIRCUIT 审中-公开
    频率转换模块保护电路

    公开(公告)号:WO2008091254A1

    公开(公告)日:2008-07-31

    申请号:PCT/US2007/001889

    申请日:2007-01-25

    CPC classification number: H04B1/18 H02H9/046

    Abstract: An architecture for protecting circuitry used for signal communications between a frequency translation module (20) and a decoder (60) from transient voltage surges. According to an exemplary embodiment, the apparatus comprises a first signal path between a transmission line and a first reference potential for conducting negative voltage surges between said transmission line and said first reference potential, comprising a first diode and a first clamping diode, wherein a second reference potential is coupled to a junction of the first diode and the first clamping diode, and a second signal path between the transmission line and the first reference potential, comprising a second diode and a second clamping diode for conducting positive voltage surges between said transmission line and said first reference potential, wherein a second reference potential is coupled to a junction of the second diode and the second clamping diode.

    Abstract translation: 一种用于保护用于频率转换模块(20)和解码器(60)之间的信号通信的电路与瞬态电压浪涌的架构。 根据示例性实施例,该装置包括在传输线和第一参考电位之间的第一信号路径,用于在所述传输线和所述第一参考电位之间传导负电压浪涌,包括第一二极管和第一钳位二极管,其中第二 参考电位耦合到第一二极管和第一钳位二极管的结,以及传输线和第一参考电位之间的第二信号路径,包括第二二极管和第二钳位二极管,用于在所述传输线 和所述第一参考电位,其中第二参考电位耦合到所述第二二极管和所述第二钳位二极管的结。

    POWER SUPPLIES
    12.
    发明申请
    POWER SUPPLIES 审中-公开
    电源

    公开(公告)号:WO2008062215A1

    公开(公告)日:2008-05-29

    申请号:PCT/GB2007/004497

    申请日:2007-11-23

    Inventor: AUSCH, Myran, M.

    CPC classification number: H04M1/745

    Abstract: The present invention provides a power supply (200) comprising a ground terminal (110, 320), means (102, 104, 240, 242) for receiving and transmitting a telecommunications signal from/to at least one telecommunications device and means (100) for protecting the telecommunications device from a surge by shunting the surge to the ground terminal (110, 320).

    Abstract translation: 本发明提供了一种包括接地端子(110,320)的电源(200),用于从/至少一个电信设备接收和发送电信信号的装置(102,104,240,242)和装置(100) 用于通过将浪涌分流到接地端子(110,320)来保护电信设备免受浪涌。

    PROTECTION CIRCUIT WITH LOW CAPACITANCE
    15.
    发明申请

    公开(公告)号:WO2003058782A3

    公开(公告)日:2003-07-17

    申请号:PCT/US2002/037242

    申请日:2002-11-20

    Abstract: An apparatus and method for reducing and balancing the off-state capacitance of an overvoltage protection circuit utilizes one or more diode networks electrically connected in series with an overvoltage protection device. The overvoltage protection device is selected from the group consisting of a gas tube, an MOV, a transient voltage suppressor (TVS) diode and a TVS thyristor. Preferably, the overvoltage protection device is a solid-state overvoltage protector (SSOVP) having at least one thyristor. The diode network includes a plurality of diodes electrically connected in parallel and arranged with opposing polarities so that the circuit is bi-directional. Preferably, the diode network includes a first set of two or more stacked diodes electrically connected in parallel with a second set of two or more stacked diodes and arranged with opposing polarities, and the capacitance of the diode network is less than the capacitance of the thyristor.

    METHOD AND SYSTEM FOR REDUCING CAPACITIVE IMBALANCE IN TELECOMMUNICATIONS TRANSMISSION SYSTEMS
    16.
    发明申请
    METHOD AND SYSTEM FOR REDUCING CAPACITIVE IMBALANCE IN TELECOMMUNICATIONS TRANSMISSION SYSTEMS 审中-公开
    电信传输系统降低电容不平衡的方法与系统

    公开(公告)号:WO01057983A1

    公开(公告)日:2001-08-09

    申请号:PCT/US2001/003399

    申请日:2001-02-02

    Abstract: The invention describes methods and systems designed to reduce or avoid the effects of longitudinal capacitive imbalance in transmission systems that transmit signals using differential transmission, such as transmission systems comprised of a twisted wire pair transmission path (130). The methods and systems of the present invention optimize the transmission bandwidth that is utilized, including for example, by selecting an increased modulation density format or baud rate (201) in preference to selecting a higher portion of frequency spectrum (202).

    Abstract translation: 本发明描述了设计用于减少或避免使用差分传输传输信号的传输系统中的纵向电容不平衡的影响的方法和系统,例如由双绞线传输路径(130)构成的传输系统。 本发明的方法和系统通过例如选择增加的调制密度格式或波特率(201)来优化所使用的传输带宽,优先选择较高部分的频谱(202)。

    OVERVOLTAGE PROTECTION CIRCUITRY
    17.
    发明申请
    OVERVOLTAGE PROTECTION CIRCUITRY 审中-公开
    过电压保护电路

    公开(公告)号:WO01031901A1

    公开(公告)日:2001-05-03

    申请号:PCT/GB1999/003535

    申请日:1999-10-26

    CPC classification number: H02H9/041 H04M3/18 H04M2201/06

    Abstract: An overvoltage protector suitable for protecting conductors comprises first, second and third at least bipolar protection elements (132, 134, 136). A first electrode of each protection element is connected to a common node (138). A second electrode of the first protection element (132) and a second electrode of the second or third protection elements (134, 136) are suitable for connection to a conductor to be protected. The first and third elements (132, 136) have breakdown conduction characteristic in one direction and diode conduction characteristic in the other, and the second element (134) has breakdown conduction characteristic in both directions, wherein the respective first electrodes of the first and third elements (132, 136) are of the same polarity.

    Abstract translation: 适用于保护导体的过电压保护器包括第一,第二和第三至少双极保护元件(132,134,136)。 每个保护元件的第一电极连接到公共节点(138)。 第一保护元件(132)的第二电极和第二或第三保护元件(134,136)的第二电极适于连接到待保护的导体。 第一和第三元件(132,136)在一个方向上具有击穿传导特性并且在另一个方向具有二极管导通特性,并且第二元件(134)在两个方向上具有击穿传导特性,其中第一和第三元件 元件(132,136)具有相同的极性。

    METHOD AND ARRANGEMENT FOR SHORTENING THE RECOVERY TIME OF A LINE DRIVER
    18.
    发明申请
    METHOD AND ARRANGEMENT FOR SHORTENING THE RECOVERY TIME OF A LINE DRIVER 审中-公开
    缩短线路驱动器恢复时间的方法和布置

    公开(公告)号:WO01019069A1

    公开(公告)日:2001-03-15

    申请号:PCT/SE2000/001545

    申请日:2000-08-04

    CPC classification number: H04M3/18 H04M3/005

    Abstract: To shorten the recovery time of a line driver (1) after an overvoltage on its output terminal (3), a current generating device (5) senses a voltage difference between the output voltage of the line driver (1) and its supply voltage (UB) plus a threshold voltage (UT'), and supplies a current (I) that is proportional to the sensed voltage difference up to a maximum current to the output (3) of the line driver (1) to raise its potential to thereby shorten its recovery time.

    Abstract translation: 为了缩短线路驱动器(1)在其输出端子(3)上的过电压之后的恢复时间,电流产生装置(5)感测线路驱动器(1)的输出电压与其电源电压( UB)加上阈值电压(UT'),并将与感测到的电压差成比例的电流(I)提供给线路驱动器(1)的输出(3),从而提高其电位 缩短恢复时间。

    METHOD AND APPARATUS FOR DIGITAL PBX DETECTION AND MODEM INTERFACE PROTECTION
    19.
    发明申请
    METHOD AND APPARATUS FOR DIGITAL PBX DETECTION AND MODEM INTERFACE PROTECTION 审中-公开
    用于数字PBX检测和调制解调器接口保护的方法和装置

    公开(公告)号:WO0070855A3

    公开(公告)日:2001-03-01

    申请号:PCT/US0012598

    申请日:2000-05-09

    CPC classification number: H04M11/06

    Abstract: The line interface circuit of a modem to be connected to a standard RJ11 jack of a digital PBX (Private Branch Exchange) is used along with software routines resident in the modem to detect the presence of a PBX connected to the modem. Upon going off-hook, the modem, by the software routines, determines whether the connection will harm the interface by one of several software routines. If it appears that the interface circuit may be damaged because a PBX line is present, the modem is instructed to go on-hook (hang up), or if the connection is not harmful to the interface, alerts the user that the modem is connected to a wrong jack.

    Abstract translation: 要连接到数字PBX(专用交换机)的标准RJ11插孔的调制解调器的线路接口电路与驻留在调制解调器中的软件例程一起使用,以检测连接到调制解调器的集团电话的存在。 摘机时,调制解调器通过软件程序确定连接是否会通过几个软件例程之一对接口造成伤害。 如果看起来接口电路可能因为PBX线路而被损坏,则指示调制解调器进行挂机(挂断),或者如果连接对接口无害,则向用户通知调制解调器已连接 一个错误的杰克。

    METHOD AND ARRANGEMENT IN A DSL VECTORING SYSTEM
    20.
    发明申请
    METHOD AND ARRANGEMENT IN A DSL VECTORING SYSTEM 审中-公开
    DSL系统中的方法和布置

    公开(公告)号:WO2016053153A1

    公开(公告)日:2016-04-07

    申请号:PCT/SE2014/051135

    申请日:2014-09-30

    CPC classification number: H04B3/32 H04M11/062

    Abstract: Vector Control Entity and method therein for Disorderly Leaving Events, DLEs, causing Sudden Termination Change in a DSL system. The method comprises, when a DLE occurs on a line m in a vectored group of DSL lines, and the transmission on line m is, at least partly, continued: obtaining at least one error sample from CPEs connected to other lines in the vectored group of DSL lines, and calculating an estimate of the channel coefficients, H', changed due to the DLE. The estimate is calculated based on the at least one error sample, and thus a channel estimate is provided. The method further comprises modifying a downstream precoder, based on the channel estimate, such that retraining of the other lines in the vectored group due to the DLE is avoided. The estimate of the channel coefficients is calculated based on the model H'=H+CΛH.

    Abstract translation: 矢量控制实体及其中的方法,用于在DSL系统中导致突发终止更改的无序离开事件DLE。 该方法包括:当DLE出现在DSL线路向量组中的线路m上时,并且线路m上的传输至少部分地继续:从连接到向量组中的其它线路的CPE获得至少一个错误样本 并且计算由于DLE而改变的信道系数H'的估计。 基于至少一个误差样本计算估计值,因此提供了信道估计。 该方法还包括基于信道估计来修改下行预编码器,使得避免了由于DLE引起的矢量组中的其他线路的再训练。 基于模型H'= H +CΛH计算信道系数的估计。

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