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    • 25. 发明申请
    • METHOD AND STRUCTURE OF FORMING A FLUORESCENT LIGHTING SYSTEM
    • 形成荧光灯系统的方法与结构
    • WO2009070153A1
    • 2009-06-04
    • PCT/US2007/085508
    • 2007-11-26
    • SEMICONDUCTOR COMPONENTS INDUSTRIES, L.L.C.LOUVEL, Jean-Paul
    • LOUVEL, Jean-Paul
    • H05B41/282
    • H05B41/2822H05B41/2827
    • A lighting system comprising a first plurality of fluorescent lamps (17) constituted by a first and a second lamp (20, 21) having a first common terminal (18) which is connected via a first capacitor (22) to a first terminal (12) of a voltage source (11). The system further comprises a second plurality of fluorescent lamps (29) constituted by a third and a fourth lamp (32, 33) having a first common terminal (30) which is connected via a second capacitor (34) to the first terminal (12) of a voltage source (11). The second terminals of the first lamp (20) and third lamp (32) are connected to a first terminal (24) of a third capacitor (25), said third capacitor (25) being connected with its second terminal to the second terminal (13) of the voltage source (11). The second terminals of the second lamp (21) and fourth lamp (33) are connected to a first terminal (36) of a fourth capacitor (37), the fourth capacitor (37) being connected with its second terminal to the second terminal (13) of the voltage source (11).
    • 一种照明系统,包括由具有第一公共端子(18)的第一和第二灯(20,21)构成的第一多个荧光灯(17),所述第一公共端子(18)经由第一电容器(22)连接到第一端子(12) )电压源(11)。 该系统还包括由具有第一公共端子(30)的第三和第四灯(32,33)构成的第二多个荧光灯(29),第一公共端子(30)经由第二电容器(34)连接到第一端子 )电压源(11)。 第一灯(20)和第三灯(32)的第二端子连接到第三电容器(25)的第一端子(24),所述第三电容器(25)与其第二端子连接到第二端子 13)。 第二灯(21)和第四灯(33)的第二端子连接到第四电容器(37)的第一端子(36),第四电容器(37)与其第二端子连接到第二端子 13)。
    • 27. 发明申请
    • METHOD FOR REGULATING A VOLTAGE AND CIRCUIT THEREFOR
    • 用于调节其电压和电路的方法
    • WO2007120131A1
    • 2007-10-25
    • PCT/US2006/014299
    • 2006-04-18
    • SEMICONDUCTOR COMPONENTS INDUSTRIES, L.L.C.TURCHI, JoelBASSO, Christophe
    • TURCHI, JoelBASSO, Christophe
    • H02M3/156
    • H02M1/4225H02M2001/0025Y02B70/126
    • A regulator circuit and a method for regulating an output voltage. The regulator circuit includes an undervoltage protection stage capable of operating in a plurality of operating modes. In one mode, the undervoltage protection stage compensates for a low undervoltage appearing in the output voltage and in another mode it compensates for a large undervoltage appearing in the output voltage. When the output voltage has a low undervoltage, a portion of the current from a current source is routed to a feedback network to balance the input voltages of the undervoltage protection stage and to place the voltage regulator in a steady state operating mode. When the output voltage has a large undervoltage, the undervoltage protection stage turns on a current sourcing transistor that cooperates with the current from the current source to quickly charge a compensation capacitor and increase the power appearing at the output of the voltage regulator.
    • 调节器电路和调节输出电压的方法。 调节器电路包括能够以多种操作模式操作的欠压保护级。 在一种模式中,欠压保护级补偿输出电压中出现的低欠压,而在另一种模式下,补偿输出电压中出现的大的欠压。 当输出电压具有低欠压时,来自电流源的电流的一部分被路由到反馈网络以平衡欠压保护级的输入电压并将电压调节器置于稳态操作模式。 当输出电压具有较大的欠压时,欠压保护级接通电流源晶体管,其与来自电流源的电流配合,从而对补偿电容器进行快速充电,并增加出现在电压调节器输出端的功率。
    • 28. 发明申请
    • METHOD FOR REGULATING A VOLTAGE AND CIRCUIT THEREFOR
    • 用于调节其电压和电路的方法
    • WO2007100327A1
    • 2007-09-07
    • PCT/US2006/007449
    • 2006-03-02
    • SEMICONDUCTOR COMPONENTS INDUSTRIES, L.L.C.TURCHI, JoelBASSO, Christophe
    • TURCHI, JoelBASSO, Christophe
    • H02M1/00H02H7/12
    • H02H7/1216
    • A voltage regulator having an overload protection circuit and a method for protecting against an output voltage being less than a predetermined level. The voltage regulator has an overload protection circuit coupled between a feedback network and a regulation section. A power factor correction circuit is connected to the regulation section. An output voltage from the power factor correction circuit is fed back to the feedback network, which transmits a portion of the output voltage to the overload protection circuit. If the output voltage is less than the predetermined voltage level, a transconductance amplifier generates a current that sets an overload flag. Setting the overload flag initiates a delay timer. If the delay exceeds a predetermined amount of time, the overload protection circuit shuts down the voltage regulator.
    • 具有过载保护电路的电压调节器和用于防止小于预定电平的输出电压的方法。 电压调节器具有耦合在反馈网络和调节部分之间的过载保护电路。 功率因数校正电路连接到调节部分。 来自功率因数校正电路的输出电压被反馈到反馈网络,反馈网络将输出电压的一部分传送到过载保护电路。 如果输出电压小于预定电压电平,则跨导放大器产生设定过载标志的电流。 设置过载标志启动延迟定时器。 如果延迟超过预定的时间,则过载保护电路关闭稳压器。