公开(公告)号：US5892336A

公开(公告)日：1999-04-06

申请号：US132390

申请日：1998-08-11

申请人： Yung Lin ,  Kwang H. Liu ,  John Chou

发明人： Yung Lin ,  Kwang H. Liu ,  John Chou

IPC分类号： G05F3/04 ,  H05B41/232 ,  G05F1/00

CPC分类号： H05B41/232

摘要： An electrical circuit for simultaneously energizing at least a pair of CCFLs that are connected in series. The circuit also includes a transformer having a primary winding adapted to receive an alternating current. A secondary winding is coupled in series with the CCFLs to energize their operation. A shunt capacitor, connected in parallel across one CCFL, significantly reduces the peak voltage that must be applied across the CCFLs. Usually, the circuit also includes an isolation capacitor connected in series between the CCFLs and the secondary winding of the transformer. The isolation capacitor provides both DC blocking and electrical isolation between the secondary winding and the CCFLs.

摘要翻译： 一种用于同时激励至少一对串联连接的CCFL的电路。 电路还包括具有适于接收交流电的初级绕组的变压器。 次级绕组与CCFL串联耦合以激励它们的操作。 在一个CCFL上并联连接的并联电容器显着降低了跨CCFL必须施加的峰值电压。 通常，电路还包括串联连接在CCFL和变压器的次级绕组之间的隔离电容器。 隔离电容器在次级绕组和CCFL之间提供直流阻塞和电隔离。

公开(公告)号：US6104146A

公开(公告)日：2000-08-15

申请号：US250779

申请日：1999-02-12

申请人： John Chou ,  Yung-Lin Lin

发明人： John Chou ,  Yung-Lin Lin

IPC分类号： H05B41/282 ,  H05B41/16

CPC分类号： H05B41/2824 ,  Y02B20/186

摘要： The present invention provides a CCFL driving circuit having a parallel-arranged transformer system and a feedback loop positioned to sense the current in one of the lamps in the system. Each CCFL in the system is driven by the secondary side an individual transformer. Based on the current sensed in the feedback loop, a controller supplies the appropriate driving voltage to the primary side of the transformers, which in turn powers each CCFL. Since the primary sides of the transformers are arranged in parallel, and since each CCFL is connected at a common node, it is ensured that each transformer receives identical voltage, and the current in each CCFL loop is balanced.

摘要翻译： 本发明提供了一种CCFL驱动电路，其具有并联布置的变压器系统和反馈回路，其被定位成感测系统中的一个灯中的电流。 系统中的每个CCFL由次级侧驱动单个变压器。 基于在反馈回路中感测的电流，控制器将适当的驱动电压提供给变压器的初级侧，这反过来为每个CCFL供电。 由于变压器的一次侧并排布置，并且由于每个CCFL连接在公共节点处，因此确保每个变压器接收相同的电压，并且每个CCFL回路中的电流是平衡的。

公开(公告)号：US06531831B2

公开(公告)日：2003-03-11

申请号：US09825034

申请日：2001-04-03

申请人： John Chou ,  Yung-Lin Lin

发明人： John Chou ,  Yung-Lin Lin

IPC分类号： H05B4114

CPC分类号： H05B41/3927 ,  H05B41/295 ,  H05B41/2985 ,  H05B41/3921 ,  Y10S315/04

摘要： An electronic ballast for lamps or tubes is provided. In one embodiment the present invention includes a ballast controller that includes filament heating circuitry and dimming circuitry. The filament heating circuitry may include preheat dimming circuits which preheat the filaments for a predetermined time period prior to striking the lamp, and steady-state heating circuitry that continually heats the filaments during steady state operation of the lamp. The steady state heating circuitry may be adapted to heat the filaments inversely proportional to the dim desired value of the lamp. The dimming circuitry may include conventional analog dimming and/or burst mode dimming to define a wide range of dimming characteristics for the lamp.

公开(公告)号：US06559606B1

公开(公告)日：2003-05-06

申请号：US10035973

申请日：2001-10-23

申请人： John Chou ,  Arnel Dela Cruz

发明人： John Chou ,  Arnel Dela Cruz

IPC分类号： H05B4138

CPC分类号： H05B41/232

摘要： A lamp driving system that includes a first impedance and a second impedance coupled to the secondary side of a transformer, where the second impedance has a phase shifted value compared to the first impedance. Two lamp loads are connected in series together, and in parallel to the first and second impedances and to the transformer. The phase shift between the impedances ensures that the transformer need not supply double the striking voltage to strike the series-connected lamps. A difference in the resistance between the first and second impedances ensures that the lamps ignite in a specified sequence.

摘要翻译： 一种灯驱动系统，其包括耦合到变压器的次级侧的第一阻抗和第二阻抗，其中所述第二阻抗具有与所述第一阻抗相比的相移值。 两个灯负载串联在一起，并且与第一和第二阻抗并联连接到变压器。 阻抗之间的相移确保变压器不需要提供两倍的触发电压来击穿串联连接的灯。 第一和第二阻抗之间的电阻差异确保灯以指定的顺序点燃。

公开(公告)号：US07909490B2

公开(公告)日：2011-03-22

申请号：US11246503

申请日：2005-10-07

申请人： John Chou ,  Glenn T. Schmidt ,  Samuel Zeng ,  Amy Grumet-Avallone ,  Thomas Greenfield ,  Jennifer L. Gloisten

发明人： John Chou ,  Glenn T. Schmidt ,  Samuel Zeng ,  Amy Grumet-Avallone ,  Thomas Greenfield ,  Jennifer L. Gloisten

IPC分类号： F21S8/00 ,  B60Q1/06 ,  F21V21/00 ,  F21L4/00 ,  F21L4/04

CPC分类号： F21V21/26 ,  B60Q3/233 ,  B60Q3/44 ,  B60Q3/56 ,  B60Q3/57 ,  B60Q3/76 ,  B60Q3/80 ,  B60Q3/82 ,  B60Q3/85 ,  F21W2106/00

摘要： The present invention provides a lighting apparatus with an elongated housing which accommodates a light source. The housing may be pivoted to rotate between a stored position and a deployed position. The housing may be maintained at a plurality of desired positions within its range of rotation. In addition, according to a feature of the invention, the elongated housing may be relatively rigid, yet also articulated, so that it can flex transversely in response to an applied force. In an embodiment, the housing may be provided with a swivel portion that can be used to change the direction of the light. Various electrical features may be provided as well, such as a brightness control feature and an auto-off feature that switches off the light in the stowed position.

摘要翻译： 本发明提供一种具有容纳光源的细长壳体的照明装置。 壳体可以枢转以在存储位置和展开位置之间旋转。 壳体可以保持在其旋转范围内的多个期望位置。 此外，根据本发明的特征，细长壳体可以是相对刚性的，而且也是铰接的，使得其可以响应于施加的力而横向弯曲。 在一个实施例中，壳体可以设置有可用于改变光的方向的旋转部分。 还可以提供各种电气特征，例如亮度控制特征和关闭收起位置的光的自动关闭特征。

公开(公告)号：USD453168S1

公开(公告)日：2002-01-29

申请号：US29145267

申请日：2001-07-20

申请人： John Chou

设计人： John Chou

公开(公告)号：US06515881B2

公开(公告)日：2003-02-04

申请号：US09873669

申请日：2001-06-04

申请人： John Chou ,  Ching-Chuan Kuo

发明人： John Chou ,  Ching-Chuan Kuo

IPC分类号： H02M3335

CPC分类号： H05B41/3921 ,  H05B41/40

摘要： A lamp load control system that includes a lamp controller comprising an inverter generating an AC signal from a DC signal, a load coupled to the inverter, and a feedback circuit coupled to the load generating a feedback signal indicative of power supplied to the load. In one exemplary embodiment, the system also includes a command signal generator generating a command signal indicative of a preferred power output of the inverter; wherein the command signal is combined with the feedback signal to cause the controller to temporarily reduce power delivered to the load. In another exemplary embodiment, the system includes a command signal generator generating a command signal indicative of a preferred power output of said inverter; wherein the controller receives the feedback signal and the command signal and temporarily reduces power delivered to the load based on the value of the feedback signal or the command signal.

摘要翻译： 一种灯负载控制系统，其包括灯控制器，其包括从DC信号产生AC信号的逆变器，耦合到所述逆变器的负载，以及耦合到所述负载的反馈电路，所述反馈电路产生指示提供给所述负载的功率的反馈信号。 在一个示例性实施例中，系统还包括产生指示逆变器的优选功率输出的命令信号的命令信号发生器; 其中所述命令信号与所述反馈信号组合以使所述控制器暂时降低传送到所述负载的功率。 在另一示例性实施例中，系统包括产生指示所述逆变器的优选功率输出的命令信号的命令信号发生器; 其中所述控制器基于所述反馈信号或所述命令信号的值接收所述反馈信号和所述命令信号并暂时地减小递送给所述负载的功率。

公开(公告)号：US5834906A

公开(公告)日：1998-11-10

申请号：US455120

申请日：1995-05-31

申请人： John Chou ,  Yongping Xia ,  Feng Chang Hu

发明人： John Chou ,  Yongping Xia ,  Feng Chang Hu

IPC分类号： H05B41/24 ,  H05B41/28 ,  H05B41/282 ,  H05B41/36

CPC分类号： H05B41/28 ,  Y10S315/05

摘要： An electronic ballast for driving a fluorescent lamp includes an electromagnetic interference (EMI) filter and power circuit, a preconditioner coupled to the EMI filter and power circuit and an inverter circuit coupled to the preconditioner for energizing the fluorescent lamp. The preconditioner includes an active power factor controller and a boost circuit which is controlled at least in part by the active power factor controller. The active power factor controller has a reference voltage input to which is applied a reference voltage. At start up, the inverter provides a time varying signal which is rectified. At least a portion of the rectified signal is fed back to the reference voltage input of the active power factor controller to boost the reference voltage to a level above normal so that the active power factor controller will cause greater current to flow through the boost circuit, causing the boost circuit to generate a direct current (DC) rail voltage more rapidly, which rail voltage is provided to the inverter circuit to ignite and operate the fluorescent lamp.

摘要翻译： 用于驱动荧光灯的电子镇流器包括电磁干扰（EMI）滤波器和电源电路，耦合到EMI滤波器和电源电路的预处理器以及耦合到用于激励荧光灯的预处理器的反相器电路。 预处理器包括有源功率因数控制器和至少部分由有功功率因数控制器控制的升压电路。 有源功率因数控制器具有参考电压输入，施加参考电压。 在启动时，变频器提供整流的时变信号。 整流信号的至少一部分被反馈到有源功率因数控制器的参考电压输入端，以将参考电压升高到高于正常水平，使得有功功率因数控制器将引起更大的电流流过升压电路， 使升压电路更快地产生直流（DC）轨道电压，向逆变器电路提供哪个轨道电压点燃和操作荧光灯。

公开(公告)号：US20070076415A1

公开(公告)日：2007-04-05

申请号：US11246503

申请日：2005-10-07

申请人： John Chou ,  Glenn Schmidt ,  Samuel Zeng ,  Amy Grumet-Avallone ,  Thomas Greenfield ,  Jennifer Gloisten

发明人： John Chou ,  Glenn Schmidt ,  Samuel Zeng ,  Amy Grumet-Avallone ,  Thomas Greenfield ,  Jennifer Gloisten

IPC分类号： F21S8/00

CPC分类号： F21V21/26 ,  B60Q3/233 ,  B60Q3/44 ,  B60Q3/56 ,  B60Q3/57 ,  B60Q3/76 ,  B60Q3/80 ,  B60Q3/82 ,  B60Q3/85 ,  F21W2106/00

摘要： The present invention provides a lighting apparatus with an elongated housing which accommodates a light source. The housing may be pivoted to rotate between a stored position and a deployed position. The housing may be maintained at a plurality of desired positions within its range of rotation. In addition, according to a feature of the invention, the elongated housing may be relatively rigid, yet also articulated, so that it can flex transversely in response to an applied force. In an embodiment, the housing may be provided with a swivel portion that can be used to change the direction of the light. Various electrical features may be provided as well, such as a brightness control feature and an auto-off feature that switches off the light in the stowed position.

摘要翻译： 本发明提供一种具有容纳光源的细长壳体的照明装置。 壳体可以枢转以在存储位置和展开位置之间旋转。 壳体可以保持在其旋转范围内的多个期望位置。 此外，根据本发明的特征，细长壳体可以是相对刚性的，而且也是铰接的，使得其可以响应于施加的力而横向弯曲。 在一个实施例中，壳体可以设置有可用于改变光的方向的旋转部分。 还可以提供各种电气特征，例如亮度控制特征和关闭收起位置的光的自动关闭特征。

公开(公告)号：US06629827B2

公开(公告)日：2003-10-07

申请号：US09935651

申请日：2001-08-24

申请人： John Chou

发明人： John Chou

IPC分类号： F04B1700

CPC分类号： F04B39/06 ,  F04B35/04

摘要： An improved small size air compressor consists of a casing, a high pressure air generator, a power cord set and an air duct set. The high pressure air generator couples with a radiator for effectively dispersing heat generated by the high pressure air generator during operation to allow the high pressure air generator achieving optimal effect.

摘要翻译： 改进的小型空气压缩机由外壳，高压空气发生器，电源线组和风道组成。 高压空气发生器与散热器耦合，用于在运行期间有效分散高压空气发生器产生的热量，以使高压空气发生器达到最佳效果。