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    • 1. 发明申请
    • Meter-base surge protector
    • 仪表式电涌保护器
    • US20070002511A1
    • 2007-01-04
    • US11053916
    • 2005-02-10
    • Nisar Chaudhry
    • Nisar Chaudhry
    • H02H9/06
    • H02H9/06H02H9/042
    • A meter-base surge protector adapted to be connected between multiple incoming power lines and a neutral line at a meter comprises first and second metal oxide varistors, which are each respectively connected in series to first and second thermal cut-offs and a gas discharge tube. The first and second thermal cut-offs are each connected to separate incoming power lines. The gas discharge tube is also connected to the incoming neutral line. The meter-base surge protector also includes a microcontroller for monitoring and detecting the voltage status at monitoring points within the circuit, or system, for detecting circuit, or system, malfunction. Upon the detection of a malfunction, the microcontroller activates a non-surge protection status indicator.
    • 适于连接在多个输入电源线和仪表之间的中性线的仪表式电涌保护器包括第一和第二金属氧化物变阻器,它们分别与第一和第二热切断器串联连接,气体放电管 。 第一和第二热断路器各自连接到分离的输入电力线。 气体放电管也连接到进入的中性线。 仪表式电涌保护器还包括一个微控制器,用于监视和检测电路或系统内监测点的电压状态,以检测电路或系统故障。 当检测到故障时,微控制器激活非浪涌保护状态指示器。
    • 2. 发明授权
    • Overvoltage protection circuits
    • 过压保护电路
    • US5623388A
    • 1997-04-22
    • US649285
    • 1996-05-17
    • Nisar Chaudhry
    • Nisar Chaudhry
    • H02H9/06H04M3/18H02H1/04
    • H04M3/18H02H9/06
    • A miniature solid state overvoltage protection circuit for use on telephone lines using a solid state circuit arrangement connected between the tip terminal and the ground terminal and another solid state circuit between the ring terminal and the ground terminal. The first current path includes a bi-directional solid state thyristor having two terminals. One terminal of the thyristor is connected to the tip terminal and the other terminal is connected in series with a parallel pair of oppositely polarized semiconductor diodes connected to the ground terminal. A second current path is disposed between the ring terminal and the ground terminal and is identical to the first current path.
    • 一种微型固态过电压保护电路,用于使用连接在尖端端子和接地端子之间的固态电路装置的电话线和环形端子与接地端子之间的另一固态电路。 第一电流路径包括具有两个端子的双向固态晶闸管。 晶闸管的一个端子连接到尖端端子,另一个端子与连接到接地端子的并联的相对极化的半导体二极管串联连接。 第二电流路径设置在环形端子和接地端子之间,并且与第一电流路径相同。
    • 3. 发明申请
    • Surge protected broadband power line communication system
    • 浪涌保护宽带电力线通信系统
    • US20060262478A1
    • 2006-11-23
    • US11133629
    • 2005-05-20
    • Nisar Chaudhry
    • Nisar Chaudhry
    • H02H9/06
    • H04M1/745H04B2203/5437
    • A surge protected broadband power line communication system is provided. The system includes a local module with a base unit and a remote module with an extension unit. Both modules include broadband surge suppressors adapted to be connected to an AC power line. The base and extension units are connected to the surge suppressors and transmit and receive broadband digital signals through the surge suppressors and over the AC power line. The local and remote modules also have RF isolator filters connected to the surge suppressors and surge protected AC outlets connected to the outputs of the isolator filters. The local module is connected to a source of broadband digital signals such as a cable modem. The system makes the cable modem available in every room in a home simply by plugging an extension unit into an outlet located in that room.
    • 提供浪涌保护的宽带电力线通信系统。 该系统包括具有基本单元的本地模块和具有扩展单元的远程模块。 两个模块都包括适合连接到交流电源线的宽带浪涌抑制器。 基极和扩展单元连接到浪涌抑制器,并通过浪涌抑制器和交流电源线传输和接收宽带数字信号。 本地和远程模块还具有连接到隔离器滤波器输出的浪涌抑制器和浪涌保护的交流电源插座的RF隔离滤波器。 本地模块连接到宽带数字信号源,如电缆调制解调器。 该系统通过将扩展单元插入位于该房间的插座中,使家庭中的每个房间都可以使用电缆调制解调器。
    • 4. 发明授权
    • Overvoltage protection modules with back-up protection for communication
lines
    • 过压保护模块,具有通讯线路的备用保护功能
    • US5721663A
    • 1998-02-24
    • US773274
    • 1996-12-23
    • Thomas J. SmithNisar Chaudhry
    • Thomas J. SmithNisar Chaudhry
    • H01T1/14H01C7/12
    • H01T1/14
    • A miniature station overvoltage protection module having a surge protector device and a back-up protector suitable for use on communication lines, includes a hollow housing having a top surface; a pair of line terminals and a ground terminal disposed in the housing top surface, extending inside the hollow housing. A holding bracket affixed to the housing ground terminal disposed within the hollow housing includes first and second conductors and a ground conductor, each of the first and second conductors extends towards one of the pair of line terminals and is in electrically conductive contact therewith; the ground conductor is in electrically conductive contact with the ground terminal. A surge arrester, having at least a pair of electrode terminals and a ground terminal connected to the housing ground terminal. Each one of the pair of surge arrester electrode terminals is in electrically conductive contact with one of the pair of line terminals. Additionally included is a pair of two terminal solid state back-up protection devices, one of the protection devices is disposed between each electrode of the surge arrester and the ground conductor, with one terminal of each being in intimate electrically conductive contact with each one of the surge arrester electrode terminals.
    • 具有浪涌保护器装置和适用于通信线路的备用保护器的微型站过电压保护模块包括具有顶表面的中空壳体; 一对线路端子和设置在壳体顶表面中的接地端子,在中空壳体内延伸。 固定到设置在中空壳体内的壳体接地端子的保持支架包括第一和第二导体和接地导体,第一和第二导体中的每一个朝向一对线路端子中的一个延伸并与其导电接触; 接地导体与接地端子导电接触。 一种避雷器,具有至少一对电极端子和连接到外壳接地端子的接地端子。 一对避雷器电极端子中的每一个与一对线路端子中的一个导电接触。 另外还包括一对两端固态备用保护装置,其中一个保护装置设置在电涌放电器的每个电极和接地导体之间,其中一个端子与每一个的一个端子紧密地导电接触 避雷器电极端子。