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    • 2. 发明申请
    • BALLAST HAVING MULTIPLE CIRCUIT FAILURE PROTECTION AND METHOD FOR BALLAST CIRCUIT PROTECTION
    • 具有多电路故障保护的电压和用于电涌保护的方法
    • WO2006065606A1
    • 2006-06-22
    • PCT/US2005/044346
    • 2005-12-08
    • LUTRON ELECTRONICS CO., INC.MOSEBROOK, Donald R.VESKOVIC, Dragan
    • MOSEBROOK, Donald R.VESKOVIC, Dragan
    • H05B41/285H05B41/292H05B41/298H05B37/02
    • H05B41/2856Y10S315/07
    • A ballast for a gas discharge lamp comprising a first circuit portion for providing power to a lighting load and a second circuit portion for processing data exchanged with a communication link, the first circuit portion receiving power from an AC main supply for conversion to a form suitable to supply power to the lamp, and the second circuit portion having a power supply supplied from the AC main supply, the power supply being coupled at the input of the AC main supply to the first circuit portion, further comprising a first protection circuit coupled in series with the AC main supply for protecting the first and second circuit portions in the event of an electrical circuit failure leading to an overcurrent condition, the power supply for the second circuit portion being coupled such that it is protected by the first protection circuit; further comprising a second protection circuit disposed in series with the first circuit portion and providing protection only in the event of electrical failure leading to an overcurrent condition in the first circuit portion; the second protection circuit will discontinue the supply of current to the first circuit portion, thereby preventing an overcurrent in the first protection circuit that would cause the first protection to interrupt current, and thereby allowing the first protection circuit to continue to supply electrical current to the second circuit portion.
    • 一种用于气体放电灯的镇流器,包括用于向照明负载提供电力的第一电路部分和用于处理与通信链路交换的数据的第二电路部分,所述第一电路部分从AC主电源接收电力以转换为适合的形式 为了向灯供电,第二电路部分具有从AC主电源供应的电源,该电源在AC主电源的输入处耦合到第一电路部分,还包括耦合在第一电路部分中的第一保护电路 具有AC主电源的串联电路,用于在导致过电流状况的电路故障的情况下保护第一和第二电路部分,第二电路部分的电源被耦合,使得它被第一保护电路保护; 还包括与所述第一电路部分串联设置的第二保护电路,并且仅在导致第一电路部分中的过电流状况的电气故障的情况下提供保护; 第二保护电路将停止向第一电路部分提供电流,从而防止第一保护电路中将导致第一保护中断电流的过电流,从而允许第一保护电路继续向第一保护电路提供电流 第二电路部分。
    • 8. 发明申请
    • LOAD CONTROL DEVICE HAVING A GATE CURRENT SENSING CIRCUIT
    • 具有栅极电流感测电路的负载控制装置
    • WO2009023146A2
    • 2009-02-19
    • PCT/US2008009558
    • 2008-08-08
    • LUTRON ELECTRONICS COBLAKELEY MATTHEW ROBERTMOSEBROOK DONALDROGAN CHRISTOPHER MSTEFFIE JAMIE J
    • BLAKELEY MATTHEW ROBERTMOSEBROOK DONALDROGAN CHRISTOPHER MSTEFFIE JAMIE J
    • H05B39/04
    • H05B39/08H05B39/041Y02B20/14Y10T307/937
    • A gate drive circuit for a controllably conductive device, such as a triac, includes a trigger circuit for conducting a gate current through a control input of the controllably conductive device, and a sense circuit operable to generate a control signal representative of the magnitude of the gate current. The controllably conductive device is adapted to be coupled in series between an AC power source and an electrical load for controlling the amount of power delivered to the electrical load. The controllably conductive device is operable to change from a non-conductive state to a conductive state in response to the gate current being conducted through the control input. A controller is operable to control the controllably conductive device via the gate drive circuit and to determine, in response to the magnitude of the gate current through the control input of the controllably conductive device, whether the controllably conductive device is presently conducting current to the load.
    • 用于可控导电器件(例如三端双向可控硅开关元件)的栅极驱动电路包括用于通过可控导电器件的控制输入导通栅极电流的触发电路,以及可操作以产生代表该可控导电器件的幅度的控制信号的感测电路 栅极电流。 可控制导电装置适于串联耦合在AC电源和电负载之间,用于控制传送到电负载的功率量。 响应于通过控制输入传导的栅极电流,可控导电器件可操作以从非导通状态转变为导通状态。 控制器可操作以经由栅极驱动电路来控制可控制的导电器件,并且响应于通过可控导电器件的控制输入的栅极电流的大小来确定该可控导电器件当前是否正在向负载传导电流 。
    • 9. 发明申请
    • MULTIPLE LOCATION DIMMING SYSTEM
    • 多位置调节系统
    • WO2007149415A3
    • 2008-02-28
    • PCT/US2007014235
    • 2007-06-19
    • LUTRON ELECTRONICS COMOSEBROOK DONALDCARMEN DANIEL FBUCK CHRISTOPHER
    • MOSEBROOK DONALDCARMEN DANIEL FBUCK CHRISTOPHER
    • H05B37/02H05B39/08
    • H05B37/0209H05B39/086
    • A multiple location dimming system comprises a plurality of dimmers coupled between an AC power source and a lighting load. Each of the plurality of dimmers is operable to control the intensity of the lighting load and comprises a controllably conductive device, e.g., a triac. The triacs of the plurality of dimmers are coupled in parallel electrical connection. Only an active one of the dimmers is operable to conduct a load current to the lighting load at any given time. A passive dimmer is operable to monitor the voltage across its triac in order to determine when the active dimmer is firing its triac. Accordingly, the passive dimmer is operable to fire its triac before the active dimmer fires its triac in order to "take over" control of the lighting load from the active dimmer to become the next active dimmer. Further, the passive dimmer is operable to determine the amount of power being delivered to the load and display this information on one or more status indicators.
    • 多位置调光系统包括耦合在AC电源和照明负载之间的多个调光器。 多个调光器中的每一个可操作以控制照明负载的强度,并且包括可控导电的装置,例如三端双向可控硅开关元件。 多个调光器的三端双向可控硅开关元件并联连接。 只有有效的一个调光器可以在任何给定的时间对负载电流进行操作。 无源调光器可操作以监控其三端双向可控硅开关元件上的电压,以便确定有源调光器何时触发其三端双向可控硅开关。 因此,无源调光器可操作以在有源调光器触发其三端双向可控硅开关之前触发其三端双向可控硅开关,以便从主动调光器“接管”控制照明负载以成为下一个有源调光器。 此外,无源调光器可操作以确定被传递到负载的功率量并且将该信息显示在一个或多个状态指示器上。
    • 10. 发明申请
    • MULTIPLE LOCATION DIMMING SYSTEM
    • 多位置调节系统
    • WO2007149415A2
    • 2007-12-27
    • PCT/US2007/014235
    • 2007-06-19
    • LUTRON ELECTRONICS CO., INC.MOSEBROOK, DonaldCARMEN, Daniel F.BUCK, Christopher
    • MOSEBROOK, DonaldCARMEN, Daniel F.BUCK, Christopher
    • H05B37/02H05B39/08
    • H05B37/0209H05B39/086
    • A multiple location dimming system comprises a plurality of dimmers coupled between an AC power source and a lighting load. Each of the plurality of dimmers is operable to control the intensity of the lighting load and comprises a controllably conductive device, e.g., a triac. The triacs of the plurality of dimmers are coupled in parallel electrical connection. Only an active one of the dimmers is operable to conduct a load current to the lighting load at any given time. A passive dimmer is operable to monitor the voltage across its triac in order to determine when the active dimmer is firing its triac. Accordingly, the passive dimmer is operable to fire its triac before the active dimmer fires its triac in order to "take over" control of the lighting load from the active dimmer to become the next active dimmer. Further, the passive dimmer is operable to determine the amount of power being delivered to the load and display this information on one or more status indicators.
    • 多位置调光系统包括耦合在AC电源和照明负载之间的多个调光器。 多个调光器中的每一个可操作以控制照明负载的强度,并且包括可控导电的装置,例如三端双向可控硅开关元件。 多个调光器的三端双向可控硅开关元件并联连接。 只有有效的一个调光器可以在任何给定的时间对负载电流进行操作。 无源调光器可操作以监控其三端双向可控硅开关元件上的电压,以便确定有源调光器何时触发其三端双向可控硅开关。 因此,无源调光器可操作以在有源调光器触发其三端双向可控硅开关之前触发其三端双向可控硅开关,以便从主动调光器“接管”控制照明负载以成为下一个有源调光器。 此外,无源调光器可操作以确定被传递到负载的功率量并且将该信息显示在一个或多个状态指示器上。