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51. 发明申请

US20030080696A1 Phase-controlled dimmable electronic ballasts for fluorescent lamps with very wide dimming range 失效
标题翻译：用于荧光灯的相位调光电子镇流器，具有非常宽的调光范围
公开(公告)号：US20030080696A1
公开(公告)日：2003-05-01
申请号：US09948994
申请日：2001-09-06
发明人： Pak Chuen Tang , Yiu Hung Lam , Shu Hung Chung , Ron Shu-yuen Hui
IPC分类号： H05B037/02
CPC分类号： H05B41/3924 , H05B41/3925
摘要： In order to achieving wide dimming range for compact and tubular fluorescent lamps, two novel control approaches are proposed. (i) Novel techniques for suppressing oscillatory effects in the Triac circuit so as to maintain stable Triac operation over a wide firing angle range and (ii) a hybrid dimming control technique in the ballast inverter circuit for achieving wide dimming range from 100% to about 3%. Concerning point (i) both dissipative and non-dissipative energy absorption schemes (EAS) are proposed to suppress the transient effects in the Triac circuit when the Triac is turned on. The essence of the EAS is to ensure that the Triac circuit can be operated in a stable manner without oscillations or inadvertent turn-off. With respect to pint (ii) a hybrid dimming method is proposed in which unlike traditional control methods that use inverter frequency control only for dimming purposes, both dc link voltage and inverter frequency are varied. The essence of the new dimming control is to reduce the range of the inverter frequency variation so that the overall dimming range can be made as wide as possible.
摘要翻译：为了实现紧凑型和管状荧光灯的宽调光范围，提出了两种新颖的控制方法。（i）用于抑制Triac电路中的振荡效应的新技术，以便在宽的触发角度范围内保持稳定的Triac操作，以及（ii）用于镇流逆变器电路中的混合调光控制技术，以实现从100％到大约的宽调光范围 3％。关于点（i）提出耗散和非耗散能量吸收方案（EAS），以在Triac开启时抑制Triac电路中的瞬态效应。 EAS的本质是确保Triac电路可以稳定运行，无振荡或无意的关断。关于品脱（ii）提出了一种混合调光方法，其中不同于使用变频器频率控制仅用于调光目的的传统控制方法，直流链路电压和逆变器频率都是变化的。新的调光控制的本质是减小变频器频率变化的范围，使整体调光范围尽可能宽。

52. 发明申请

US20020191429A1 Single stage PFC + ballast control circuit/general purpose power converter 有权
标题翻译：单级PFC +镇流器控制电路/通用电源转换器
公开(公告)号：US20020191429A1
公开(公告)日：2002-12-19
申请号：US10103315
申请日：2002-03-20
申请人： International Rectifier Corporation
发明人： Bruno C. Nadd , Vincent Thiery , Thomas J. Ribarich , John Ribarich
IPC分类号： H02M007/5387
CPC分类号： H02M1/425 , H05B41/28 , H05B41/2828 , H05B41/3925 , Y02B70/126 , Y10S315/04
摘要： Two switching half-bridges are operated to achieve constant power delivered to a resonant load while achieving a high power factor. A half-bridge connected to a circuit input draws a sinusoidal current that is in phase with the input voltage to achieve the high power factor. The two half-bridges are composed of two switches each, which are operated to obtain constant load power in satisfaction of calculated conduction angles. Alternatively, the switches are operated on complementary 50% duty cycles to regulate output voltage and shape the input current waveform. Output regulation is achieved by frequency control while input current wave shaping is realized by phase shifts between the two half-bridges.
摘要翻译：操作两个开关半桥以实现传递到谐振负载的恒定功率，同时实现高功率因数。连接到电路输入的半桥吸引与输入电压同相的正弦电流，以实现高功率因数。两个半桥由两个开关组成，它们被操作以获得满足计算的导通角的恒定负载功率。或者，开关以互补的50％占空比运行，以调节输出电压并形成输入电流波形。通过频率控制实现输出调节，而通过两个半桥之间的相移实现输入电流波形整形。

53. 发明申请

US20020180377A1 Discharge lamp operating apparatus and self-ballasted electrodeless discharge lamp 失效
标题翻译：放电灯操作装置和自镇流无电极放电灯
公开(公告)号：US20020180377A1
公开(公告)日：2002-12-05
申请号：US10121003
申请日：2002-04-11
发明人： Kouji Miyazaki , Toshiaki Kurachi , Mitsuharu Kawasaki
IPC分类号： H05B037/02
CPC分类号： H05B41/3925 , H05B41/2825 , H05B41/2827 , Y02B20/185
摘要： A discharge lamp operating apparatus includes a DC power circuit portion for outputting a DC voltage; an inverter circuit including a switching element provided with a control terminal for converting an output from the DC power circuit portion to an AC voltage; a control terminal driving circuit for controlling the switching element provided with a control terminal to be on or off; and a resonant load circuit including a discharge lamp, a first inductor and a first capacitor. The control terminal driving circuit includes a drive winding mutually coupled to the first inductor; a series circuit of a voltage clamp element and an impedance element, the series circuit being connected to at least one end of the drive winding, and the control terminal driving circuit is configured to control the switching element provided with a control terminal to be on or off by a voltage generated at the drive winding.
摘要翻译：放电灯操作装置包括用于输出直流电压的直流电源电路部分; 逆变器电路，包括：开关元件，设置有用于将来自所述直流电力部分的输出转换成交流电压的控制端子; 控制端子驱动电路，用于控制设置有开/关控制端的开关元件; 以及包括放电灯，第一电感器和第一电容器的谐振负载电路。控制端驱动电路包括互连于第一电感器的驱动绕组; 电压钳位元件和阻抗元件的串联电路，所述串联电路与所述驱动绕组的至少一端连接，所述控制端子驱动电路被配置为控制设置有控制端子的开关元件，由驱动绕组产生的电压关断。

54. 发明申请

US20020030456A1 Lamp system with electronic ballast 失效
标题翻译：带电子镇流器的灯系统
公开(公告)号：US20020030456A1
公开(公告)日：2002-03-14
申请号：US09780091
申请日：2001-02-09
申请人： Fairchild Korea Semiconductor, Ltd.
发明人： Dae-Bong Kim
IPC分类号： H05B037/02
CPC分类号： H05B41/3925 , H05B41/2828 , Y02B20/186
摘要： A lamp system including: a power-factor compensator, a current controller including first and second switches, the current controller being coupled to the on/off periods of the first and second switches for controlling the magnitude of a lamp driving current from the power-factor compensator; a lamp section including a resonance circuit composed of a resistor, an inductor and a capacitor, and emitting light under a current from the current controller; a ballast for forming a feedback voltage using a current flowing through the lamp section including soft start and dimming control. The lamp system compares the feedback voltage to a reference voltage to determine whether the current input to the lamp section is an overcurrent, an undercurrent, or a normal current. The ballast controls the on/off periods of the first and second switches.
摘要翻译：一种灯系统，包括：功率因数补偿器，包括第一和第二开关的电流控制器，所述电流控制器耦合到所述第一和第二开关的导通/截止周期，用于控制来自所述功率因数的灯驱动电流的大小，因子补偿器一个灯部分，包括由电阻器，电感器和电容器组成的谐振电路，并且在来自电流控制器的电流下发射光; 用于使用流过灯部分的电流形成反馈电压的镇流器，包括软启动和调光控制。灯系统将反馈电压与参考电压进行比较，以确定灯部分的电流输入是否为过电流，欠电流或正常电流。镇流器控制第一和第二开关的开/关时间。

55. 发明授权

US06326740B1 High frequency electronic ballast for multiple lamp independent operation 失效
标题翻译：高频电子镇流器，多灯独立运行
公开(公告)号：US06326740B1
公开(公告)日：2001-12-04
申请号：US09218556
申请日：1998-12-22
申请人： Chin Chang , Gert W. Bruning
发明人： Chin Chang , Gert W. Bruning
IPC分类号： G05F100
CPC分类号： H02M7/53803 , H05B41/2828 , H05B41/2986 , H05B41/3925 , Y02B70/1441 , Y10S315/07
摘要： An electronic ballast with a voltage-fed, LC or LLC resonant inverter for multiple gas discharge lamp independent operation which maintains a substantially constant voltage to a lamp or lamps connected to the ballast even during a transition period when a lamp or lamps is ignited, extinguished, added or removed. The ballast includes a feedback loop that maintains a substantially constant phase angle between the voltage and the current in an LC or LLC tank circuit, which has the effect of the ballast providing the substantially constant voltage output. The feedback loop obtains a current feedback signal and a voltage feedback signal from the tank circuit, and provides a phase shifted signal as a feedback correction signal which is the current feedback signal phase shifted by the voltage feedback signal that tracks phase angle changes with one, some or all of the lamps of a set thereof connected to the ballast, and during the transition period. The feedback loop includes a phase-shift circuit which includes at least one differential amplifier stage that receives the current feedback signal at both inputs and the voltage feedback signal at one input so as to phase shift the current feedback signal at that one input. The ballast operates instant start or rapid start gas discharge lamps in various configurations, including dimming configurations.
摘要翻译：具有电压馈入，LC或LLC谐振逆变器的电子镇流器，用于多个气体放电灯独立操作，即使在灯或灯被点燃，熄灭时的过渡期间，也保持连接到镇流器的灯或灯的基本上恒定的电压，添加或删除。镇流器包括反馈回路，其在LC或LLC储能电路中的电压和电流之间保持基本上恒定的相位角，其具有提供基本上恒定的电压输出的镇流器的作用。反馈环路获得来自振荡电路的电流反馈信号和电压反馈信号，并且提供相移信号作为反馈校正信号，该反馈校正信号是电流反馈信号相位，该电流反馈信号由跟踪相位角变化的电压反馈信号移位，其一组中的一些或全部灯连接到镇流器，并且在过渡期间。反馈回路包括相移电路，其包括至少一个差分放大器级，其在两个输入端接收电流反馈信号，并在一个输入端接收电压反馈信号，以便在该一个输入端移相电流反馈信号。镇流器以各种配置操作即时启动或快速启动气体放电灯，包括调光配置。

56. 发明授权

US06316886B1 Method and device for controlling the operational performance of gas discharge lamps 有权
标题翻译：用于控制气体放电灯的操作性能的方法和装置
公开(公告)号：US06316886B1
公开(公告)日：2001-11-13
申请号：US09387847
申请日：1999-09-01
申请人： Siegfried Luger , Alfred Tröstl
发明人： Siegfried Luger , Alfred Tröstl
IPC分类号： G05F100
CPC分类号： H05B41/3921 , H05B41/3925 , Y10S315/04 , Y10S315/07
摘要： Method and device for controlling the operational performance of at least one gas discharge lamp (10). The control is effected with the aid of a controller (1) the proportional component of which is set in dependence upon an externally applied desired value (SOLL) of an operational parameter of the gas discharge lamp (10), whereby for low brightness desired values the proportional component of the controller (1) is set high, and for great brightness desired values of the gas discharge lamp (10) is set low. In this way it is possible to reliably fire the gas discharge lamp (10) even at low brightness values, without the appearance of a light flash, and at the same time to avoid instabilities in the case of high brightness values of the gas discharge lamp (10).
摘要翻译：用于控制至少一个气体放电灯（10）的操作性能的方法和装置。控制是借助于控制器（1），其根据外部施加的气体放电灯（10）的操作参数的期望值（SOLL）来设定其比例分量，由此对于低亮度期望值控制器（1）的比例分量被设置为高，并且对于大亮度，将气体放电灯（10）的期望值设定得较低。以这种方式，即使在低亮度值下也可以可靠地点燃气体放电灯（10），而不会出现闪光，并且同时避免在气体放电灯的高亮度值的情况下的不稳定性（10）。

57. 发明授权

US06313585B1 Method for dimming a fluorescent lamp arranged in the secondary circuit of a transformer and arrangement to implement said method 失效
标题翻译：用于调光布置在变压器的次级电路中的荧光灯的方法和用于实现所述方法的装置
公开(公告)号：US06313585B1
公开(公告)日：2001-11-06
申请号：US09402620
申请日：2000-01-14
申请人： Berthold Birk
发明人： Berthold Birk
IPC分类号： H05B3702
CPC分类号： H05B41/2824 , H02M7/53806 , H05B41/3925 , H05B41/3927 , Y02B70/1441
摘要： A method for dimming a fluorescent lamp, in which a transformer is driven by an AC voltage in a push-pull manner. In a method which ensures flicker-free light emission over a wide temperature range at the highest possible dimming rate, a resonant circuit containing the current transformer, the secondary capacitance element and the fluorescent lamp is momentarily made to oscillate in an ionization phase in such a way that the fluorescent lamp is reliably prevented from illuminating, and then the fluorescent lamp is positively controlled.
摘要翻译：一种用于调光荧光灯的方法，其中变压器以推挽方式由AC电压驱动。在以最高可能的调光速度在宽的温度范围内确保无闪烁的发光的方法中，包含电流互感器，次级电容元件和荧光灯的谐振电路瞬间使其在电离相中振荡，可靠地防止荧光灯照明的方式，然后正确地控制荧光灯。

58. 发明授权

US06198198B1 Control circuit and method for piezoelectric transformer 失效
标题翻译：压电变压器的控制电路及方法
公开(公告)号：US06198198B1
公开(公告)日：2001-03-06
申请号：US09355844
申请日：1999-08-05
申请人： Takeshi Fujimura , Katsuyuki Ishikawa , Masaaki Toyama
发明人： Takeshi Fujimura , Katsuyuki Ishikawa , Masaaki Toyama
IPC分类号： H01L4108
CPC分类号： H02M7/538 , C02F1/32 , H05B41/2822 , H05B41/3925
摘要： When an input voltage rises, (the amplitude of) a sine-wave voltage for driving a piezoelectric transformer (1) increases, so that a detection voltage (Vti) rectified by a rectifying circuit (9) also increases. An output voltage from an error amplifier (10) for comparing the detection voltage (Vti) with a reference voltage (Vref2) rises. If the output voltage from the error amplifier (10) rises, a voltage-controlled oscillation circuit (11) decreases the duty ratio of an oscillation signal to be output. In a driving circuit (7), as the duty ratio of the oscillation signal decreases, the amplitude of a fundamental wave contained in a rectangular wave to be output decreases to be a small driving voltage to the piezoelectric transformer (1).
摘要翻译：当输入电压上升时，用于驱动压电变压器（1）的正弦波电压的（振幅）增加，使得由整流电路（9）整流的检测电压（Vti）也增加。用于将检测电压（Vti）与参考电压（Vref2）进行比较的误差放大器（10）的输出电压升高。如果来自误差放大器（10）的输出电压上升，则压控振荡电路（11）降低要输出的振荡信号的占空比。在驱动电路（7）中，随着振荡信号的占空比的减小，被输出的矩形波中包含的基波的振幅降低，成为压电变压器（1）的小的驱动电压。

59. 发明授权

US06175200B1 Device for operating a gas discharge lamp with reduced average lamp power 失效
标题翻译：用于以降低的平均灯功率操作气体放电灯的装置
公开(公告)号：US06175200B1
公开(公告)日：2001-01-16
申请号：US08669351
申请日：1996-07-02
申请人： Robert Kern
发明人： Robert Kern
IPC分类号： H05B4100
CPC分类号： H05B41/2928 , H05B41/2888 , H05B41/38 , H05B41/3925 , Y02B20/202
摘要： A device for operating a gas discharge lamp (13), with the device including an energy supply circuit which provides an alternating-current voltage (UL) or an alternating current (IL) having a predetermined period (TN) during operation at normal rating in order to feed the gas discharge lamp (13) with a predetermined electrical power. When the average lamp power is reduced with respect to operation at normal rating, an extension of the period (TR11+TR12, TR21+TR22) is provided. The amount of the extension of the period (TR11+TR12, TR22+TR22) is a function of the amount of the reduction in power. The device of the invention for operating the gas discharge lamp (13) extensively prevents an extinguishing of the light arc located in the gas discharge lamp (13) during the pole-reversal process, and therefore assures re-ignition following the pole-reversal process, even during operation with reduced power. A preferred use of the device of the invention is in a gas discharge lamp installed in a motor vehicle.
摘要翻译：一种用于操作气体放电灯（13）的装置，该装置包括能量供应电路，该能量供应电路在正常额定运行期间提供具有预定周期（TN）的交流电（UL）或交流电（IL）以便以预定的电力供给气体放电灯（13）。当平均灯功率相对于正常额定值的操作而降低时，提供周期的延长（TR11 + TR12，TR21 + TR22）。周期的延长量（TR11 + TR12，TR22 + TR22）是功率减少量的函数。用于操作气体放电灯（13）的本发明的装置在极反转过程期间广泛地防止位于气体放电灯（13）中的光弧的熄灭，因此在极反转过程之后确保再点火，甚至在降低功耗的操作过程中。本发明的装置的优选用途是安装在机动车辆中的气体放电灯。

60. 发明授权

US06175198B1 Electrodeless fluorescent lamp dimming system 有权
标题翻译：无极荧光灯调光系统
公开(公告)号：US06175198B1
公开(公告)日：2001-01-16
申请号：US09318343
申请日：1999-05-25
申请人： Louis R. Nerone
发明人： Louis R. Nerone
IPC分类号： G05F100
CPC分类号： H05B41/3927 , H05B41/2806 , H05B41/3925 , Y02B20/22
摘要： A ballast 10 for an electrodeless gas discharge lamp 30, incorporates a dimming circuit 12. Ballast 10 includes a load circuit 20 having an r.f. inductor 32 for generating an r.f. field to power electrodeless lamp 30. A voltage of an inductor 56 in a d.c.-to-a.c. converter 13 of ballast 10 is sensed by dimming circuit 12. Dimming circuit 12, which uses frequency-shift keying (FSK), couples inductor 56 to the dimming circuit 12 via dimming inductor 80, which in turn is connected to serially arranged dimming switches 82, 84. A signal generator 86 activates dimming switches 82 and 84 to provide a frequency shift to ballast 10. This frequency shift lowers the output to r.f. inductor 32, thereby turning off electrodeless lamp 30. Repeated switching by dimming circuit 12 causes a visual dimming in electrodeless lamp 30.
摘要翻译：用于无电极气体放电灯30的镇流器10包括调光电路12.镇流器10包括具有r.f.的负载电路20。用于产生一个r.f的电感器32。电场到无电极灯30.电感器56的电压为d.c.-a.c。镇流器10的转换器13由调光电路12感测。使用频移键控（FSK）的调光电路12通过调光电感器80将电感56耦合到调光电路12，调光电路80又连接到串联调光开关82 84.信号发生器86激活调光开关82和84以提供对镇流器10的频移。该频移将输出降低到rf 电感器32，从而关闭无电极灯30.由调光电路12重复切换导致无电极灯30中的视觉调光。

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