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1.发明公开Stepped dimming ballast for fluorescent lamps 审中-公开DimmbaresVorschaltgerätzur schrittweisen Regelung von Leuchtstofflampen
公开(公告)号：EP1725085A1
公开(公告)日：2006-11-22
申请号：EP06252596.9
申请日：2006-05-18
发明人： Foo, Onn Fah
IPC分类号： H05B41/392
CPC分类号： H05B41/40 , Y10S315/04
摘要： A stepped dimming ballast comprising a filter and rectifier circuit (1), a DC high voltage stabilizing circuit (2), a frequency control and switch circuit (3), a load current feedback circuit (5), a voltage signal processing circuit (6) and a voltage signal sampling circuit (7). The present invention is adapted for use in conjunction with a silicon controlled rectifier dimmer and/or a regular light switch whereby it is novel in structure and able to effect dimming in two predetermined and reliable operation modes.
摘要翻译： 包括滤波器和整流电路（1）的阶梯式调光镇流器，直流高压稳压电路（2），频率控制和开关电路（3），负载电流反馈电路（5），电压信号处理电路 ）和电压信号采样电路（7）。 本发明适用于与可控硅整流调光器和/或规则的光开关结合使用，由此它具有新颖的结构并且能够以两种预定和可靠的操作模式进行调光。
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公开(公告)号：EP0831677A3
公开(公告)日：1998-10-14
申请号：EP97304183.3
申请日：1997-06-16
发明人： Foo, Onn Fah
IPC分类号： H05B41/29
CPC分类号： H05B41/28
摘要： An electronic ballast for a fluorescent lamp includes a rectifier circuit (11), a filter circuit (16), a high frequency generating and control circuit (17), a starting circuit (18) for the fluorescent tube and main (14) and auxiliary (13) circuits used to increase the power factor of the ballast and to suppress the harmonic current interference. Because of the introduction of the main and the auxiliary current-uninterrupted circuits, the input curent is continuous and follows the variation with the input voltage and the power factor of the ballast is increased while the post high frequency generating and control circuit tends to be stable in operation. Furthermore, the interference of the harmonic current for the ballast will be suppressed effectively, the contamination to power network will be reduced and the electrical security in operation will be enhanced.
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公开(公告)号：EP2211094B1
公开(公告)日：2011-05-25
申请号：EP09251457.9
申请日：2009-06-01
发明人： Foo, Onn Fah
CPC分类号： F21V29/70 , F21K9/00 , F21K9/68 , F21V7/0008 , F21V23/02 , F21V29/505 , F21V29/74 , F21V29/75 , F21V29/773 , F21V29/86 , F21V29/89 , F21Y2115/10 , Y10S362/80
摘要： A LED reflector lamp, comprises a control circuit, characterized in that the LED reflector further comprises at least two LED light sources (60) which are controlled by the control circuit; at least two light source panels (20) on which the at least two LED light sources (60) are secured, respectively; at least one heat-conducting plate (10) on which the at least two light source panels (20) are secured in a thermally conductive manner; a reflective cup (30) having a reflective inner surface, a reflective opening formed by an edge of the reflective inner surface, and a slot formed on a bottom of the reflective cup (30), wherein the heat-conducting plate (10) with the LED light sources (60) and the light source panels (20) are inserted through the slot into an interior of the reflective cup (30) such that the LED light sources (60) are parallel to a centrally vertical axis of the reflective cup (30); and a heat sink (50) having a cavity in its interior, the cavity being dimensioned and shaped to be coupled to at least a part of the reflective cup (30) and the heat-conducting plate (10).
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公开(公告)号：EP1821581A3
公开(公告)日：2011-04-06
申请号：EP07250529.0
申请日：2007-02-09
发明人： Foo, Onn Fah
IPC分类号： H05B37/02 , H05B41/295 , H05B41/392
CPC分类号： H05B37/0218 , H05B41/295 , H05B41/3922 , H05B41/3925 , Y02B20/46 , Y02B20/48
摘要： A light control circuit for use in light control fluorescent lamps comprises a filter and rectifier circuit (1), a frequency control and resonant circuit (2) and an ambient brightness signal sampling and control circuit (4); wherein the ambient brightness signal sampling and control circuit (4) advantageously adopts an integrated circuit (IC2) to control or adjust light sensitivity of the light control circuit in an accurate manner and to control the on/off status of the light control circuit in an intelligent way such that the output of the light control circuit is not susceptible to a sudden change of the ambient brightness.
摘要翻译： 一种用于光控荧光灯的调光电路，包括滤波整流电路（1），频率控制谐振电路（2）和环境亮度信号采样控制电路（4）; 其中所述环境亮度信号采样和控制电路（4）有利地采用集成电路（IC2）以精确的方式控制或调节所述光控制电路的光敏度并且控制所述光控制电路的开/关状态 智能化的方式，使得灯光控制电路的输出不易受到环境亮度的突然改变的影响。
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公开(公告)号：EP1965406B1
公开(公告)日：2010-09-15
申请号：EP08250514.0
申请日：2008-02-12
发明人： Foo, Onn Fah
CPC分类号： H01J61/327 , H01J5/54 , H01J9/247 , H01J61/52
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公开(公告)号：EP2106201A2
公开(公告)日：2009-09-30
申请号：EP09250863.9
申请日：2009-03-26
发明人： Foo, Onn Fah
IPC分类号： H05B41/04
CPC分类号： H05B41/386
摘要： A control circuit for a fluorescent lamp comprises a ballast control unit (1) and an oscillator unit (2), the control circuit further comprising a signal detection unit (3), a switch unit (4) and a frequency converter (5); wherein the signal detection unit (3) outputs a signal to the switch unit (4) after receiving a light up signal from the ballast control unit (1), the switch unit (4) outputs a signal to the frequency converter (5) and the frequency converter (5) outputs a signal to the oscillator unit (2) and converts an oscillation frequency of the oscillator unit (2). According to the control circuit of the invention, the signal detection unit (3) receives a light up signal to trigger the switching of the switch unit (4) so as to enable the frequency converter (5) to convert an oscillation frequency of the oscillator unit (2) of the fluorescent lamp, such that a filament current of the fluorescent lamp could be increased to boost the light flux rate of the fluorescent lamp. Thus, a normal brightness of the fluorescent lamp could be rapidly reached in a relatively short time.
摘要翻译： 一种用于荧光灯的控制电路，包括镇流器控制单元（1）和振荡器单元（2），所述控制电路还包括信号检测单元（3），开关单元（4）和变频器（5）。 其中，所述信号检测单元（3）在从所述镇流器控制单元（1）接收到点亮信号之后向所述开关单元（4）输出信号，所述开关单元（4）向所述变频器（5）输出信号，并且 变频器（5）向振荡器单元（2）输出信号并转换振荡器单元（2）的振荡频率。 根据本发明的控制电路，信号检测单元（3）接收点亮信号以触发开关单元（4）的切换，使得变频器（5）能够将振荡器的振荡频率 单元（2），使得荧光灯的灯丝电流可以增加以提高荧光灯的光通量。 因此，可以在相当短的时间内快速地达到荧光灯的正常亮度。
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7.发明公开Electronic ballasts without toroidal-magnetic-core and fluorescent lamps employing the same 审中-公开ElektronischeVorschaltgeräteohne Ringmagnetkern und Leuchtstofflampen damit
公开(公告)号：EP2015617A2
公开(公告)日：2009-01-14
申请号：EP08251685.7
申请日：2008-05-13
发明人： Foo, Onn Fah
IPC分类号： H05B41/282
CPC分类号： H05B41/2827
摘要： A toroid-free ballast comprises a filter and rectifier circuit (10) coupled with an AC power and a switch and resonant circuit (20) coupled with the filter and rectifier circuit (10). The switch and rectifier circuit (20) comprises a half bridge oscillating circuit composed of two transistors. The present ballast has the benefits of being toroid-free, as well as being relatively compact in configuration, low in cost and favourable for the miniaturization of the electronic ballast.
摘要翻译： 无环形镇流器包括与AC电力耦合的滤波器和整流电路（10）以及与滤波器和整流电路（10）耦合的开关和谐振电路（20）。 开关和整流电路（20）包括由两个晶体管组成的半桥振荡电路。 本镇流器具有无环形的优点，构造相对紧凑，成本低，有利于电子镇流器的小型化。
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8.发明公开Electronic energy saving lamp capable of shielding radiation 审中-公开Stromsparlampe mit Strahlungsabschirmung
公开(公告)号：EP1947677A2
公开(公告)日：2008-07-23
申请号：EP08250183.4
申请日：2008-01-15
发明人： Foo, Onn Fah
CPC分类号： H01J61/35 , H01J61/327
摘要： An electronic energy saving lamp capable of radiation shielding comprises a lamp cap (1), a lamp tube (2), an electronic ballast connected with the lamp cap (1) and the lamp tube (2), a device for mounting the lamp tube and the electronic ballast and a housing (3) enclosing the electronic ballast and the device, wherein a layer of shielding material (5) for electromagnetic radiation shielding is applied on one or more parts of the electronic energy saving lamp through which electromagnetic radiation is diffused from the inside to the outside of the lamp. For example, a layer of shielding material is applied on the lamp tube (2) or a glass bulb (4) of the electronic energy saving lamp, wherein the layer of shielding material is formed of indium tin oxide, or a shielding material formed with a mixture of absolute ethyl alcohol, SnCl 4 or SnCl 2 , and InCl 3 or CdCl 3 or SbCl 3 , which is evenly spread and has a high light transmittance whereby the illumination efficiency of the electronic energy saving lamp will not be affected and the electromagnetic radiation can be effectively shielded.
摘要翻译： 一种能够进行辐射屏蔽的电子节能灯包括灯头（1），灯管（2），与灯头（1）和灯管（2）连接的电子镇流器，用于安装灯管 电子镇流器和封装电子镇流器和器件的壳体（3），其中用于电磁辐射屏蔽的屏蔽材料层（5）施加在电磁辐射扩散的电子节能灯的一个或多个部分上 从灯的内部到外面。 例如，在电子节能灯的灯管（2）或玻璃灯泡（4）上施加屏蔽材料层，其中屏蔽材料层由氧化铟锡形成，或者形成有屏蔽材料 绝对乙醇，SnCl 4或SnCl 2以及InCl 3或CdCl 3或SbCl 3的混合物，它们均匀地分布并且具有高透光率，从而不会影响电子节能灯的照明效率，并且电磁 可以有效屏蔽辐射。
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公开(公告)号：EP1850643A2
公开(公告)日：2007-10-31
申请号：EP07251745.1
申请日：2007-04-25
发明人： Foo, Onn Fah
IPC分类号： H05B41/392
CPC分类号： H05B41/3922
摘要： A light control circuit for use in light control fluorescent lamps comprises a filter and rectifier circuit (1), a frequency control and resonant circuit (2) and an ambient brightness signal sampling and control circuit (4); wherein the ambient brightness signal sampling and control circuit (4) advantageously adopts an integrated circuit (U1) to control or adjust light sensitivity of the light control circuit in an accurate manner and to control the on/off of the light control circuit in an intelligent way such that the output of the light control circuit is not susceptible to a sudden change of the ambient brightness.
摘要翻译： 一种用于光控荧光灯的调光电路，包括滤波整流电路（1），频率控制谐振电路（2）和环境亮度信号采样控制电路（4）; 其中所述环境亮度信号采样和控制电路（4）有利地采用集成电路（U1）以精确的方式控制或调节所述光控制电路的光敏度并且以智能方式控制所述光控制电路的开启/关闭 以使得光控制电路的输出不易受到环境亮度的突然改变的影响。
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公开(公告)号：EP0663789A1
公开(公告)日：1995-07-19
申请号：EP94305456.9
申请日：1994-07-22
发明人： Foo, Onn Fah
IPC分类号： H05B41/29
CPC分类号： H05B41/295
摘要： A fluorescent lamp preheating start-up device to be used in the preheating start-up of fluorescent lamp. It consists of hot bonded temperature sensitive resistance layer (sheet) and voltage sensitive switching resistance layer (sheet), a silver conductive layer is coated between the two layers, and the periphery thereof is sealed with a sealing film. A lead is led out from each of the surface electrodes of said two resistance layers (sheets) of different characteristics, respectively. In operation, it is serially connected in the loop of the filament after the parallel connection of the present device with the resonant capacitor C in the electronic ballast. The device has both the characteristic of temperature resistance and the function of voltage switch. In normal operation of the light tube, the power consumption of the present device is only 0.4 to 5% of that of an ordinary PTC device. In addition, the self-temperature-rise is low and the starting time is appropriate.
摘要翻译： 荧光灯预热启动装置，用于荧光灯的预热启动。 它由热粘温敏电阻层（片）和电压敏感转换电阻层（片）组成，在两层之间涂覆银导电层，并用密封膜密封其周边。 引线分别从不同特性的所述两个电阻层（片）的每个表面电极引出。 在操作中，它在本装置与电子镇流器中的谐振电容器C并联之后串联在灯丝的环路中。 该器件具有耐温特性和电压切换功能。 在灯管正常工作时，本装置的功耗仅为普通PTC装置的0.4〜5％。 另外，自身温升较低，启动时间适宜。
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