会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 1. 发明申请
    • MULTI-LAMP DRIVING SYSTEM
    • 多灯驱动系统
    • US20120256557A1
    • 2012-10-11
    • US13167739
    • 2011-06-24
    • CHIH-CHAN GERYU-HSIAO CHAOCHENG-TA LIN
    • CHIH-CHAN GERYU-HSIAO CHAOCHENG-TA LIN
    • H05B41/16
    • H05B41/282H05B41/2855Y02B20/183Y02B20/186
    • A multi-lamp driving system includes a power stage circuit, a pulse width modulation (PWM) controller, a plurality of transformer circuits, and an abnormal detection circuit. Each of the transformer circuits includes a first primary winding and a second primary winding connected in series and a first secondary winding and a second secondary winding respectively outputting AC power signals to drive at least one lamp. The abnormal detection circuit is connected to a junction of the first primary winding and the second primary winding of each of the transformer circuits, and determines if voltages of the junction of the first primary winding and the second primary winding of each of the transformer circuits are different to determine if the at least two lamps are normal. The abnormal detection circuit further generate control signals to control the PWM controller upon the condition that one of the at least two lamps are abnormal.
    • 多灯驱动系统包括功率级电路,脉宽调制(PWM)控制器,多个变压器电路和异常检测电路。 每个变压器电路包括串联连接的第一初级绕组和第二初级绕组,以及分别输出AC功率信号以驱动至少一个灯的第一次级绕组和第二次级绕组。 异常检测电路连接到每个变压器电路的第一初级绕组和第二初级绕组的结,并且确定每个变压器电路的第一初级绕组和第二初级绕组的结的电压是否为 不同以确定至少两个灯是否正常。 异常检测电路进一步产生控制信号以在至少两个灯中的一个异常的情况下控制PWM控制器。
    • 3. 发明申请
    • TRANSFORMER WITH SEPARATED BOBBIN
    • 变压器与分离的BOBBIN
    • US20100102914A1
    • 2010-04-29
    • US12469658
    • 2009-05-20
    • CHIH-CHAN GERCHIA-KUN CHEN
    • CHIH-CHAN GERCHIA-KUN CHEN
    • H01F27/30
    • H01F38/10H01F27/306H01F27/326
    • A bobbin includes a first winding frame to wrap primary winding coils thereon, a first winding chassis defining a first opening to receiving the first winding frame therein, a pair of second winding chassis positioned at two opposite ends of the bobbin and each defining a second opening, a pair of second winding frames received in the second openings of the second winding chassis to wrap secondary winding coils thereon, and a receiving hole extending through the second winding chassis and the first winding frame. The first winding frame is positioned between the second winding chassis. Each of the second winding frames defines a through hole communicating with the receiving hole. The first opening of the first winding chassis faces to a first direction, and each of the second openings of the second winding chassis faces to a second direction different from the first direction.
    • 线轴包括:第一卷绕框架,用于在其上包裹初级绕组线圈;第一卷绕机架,限定用于在其中容纳第一卷绕框架的第一开口;一对第二卷绕机架,其位于所述筒管的两个相对端,并且每个限定第二开口 ,一对第二绕组框架,其容纳在第二绕组底盘的第二开口中以包裹其上的次级绕组线圈;以及容纳孔,其延伸穿过第二绕组底盘和第一绕组框架。 第一绕组框架位于第二绕组底盘之间。 每个第二卷绕框架限定了与接收孔连通的通孔。 第一绕线架的第一开口面向第一方向,第二绕线架的每个第二开口面向不同于第一方向的第二方向。
    • 4. 发明申请
    • DISCHARGE LAMP DRIVING DEVICE AND ELECTRONIC DEVICE USING THE SAME
    • 放电灯驱动装置和使用其的电子装置
    • US20080129221A1
    • 2008-06-05
    • US11936767
    • 2007-11-07
    • CHIH-CHAN GERCHUN-YING CHEN
    • CHIH-CHAN GERCHUN-YING CHEN
    • H05B37/02
    • H05B41/282Y02B20/183
    • A driving device for driving plural discharge lamps. A controller circuit converts a received signal to a first high voltage signal and a second high voltage signal. A first balancing circuit is mounted on a first connecting board and connected to one ends of the discharge lamps. A second balancing circuit is mounted on a second connecting board and connected to the other ends of the discharge lamps. A first set of high voltage lines connects the controller board and the first connecting board, and the first high voltage signal is outputted from the control circuit to the first balancing circuit via the first set of high voltage lines. A second set of high voltage lines connects the controller board and the second connecting board, and the second high voltage signal is outputted from the control circuit to the second balancing circuit via the second set of high voltage lines.
    • 一种用于驱动多个放电灯的驱动装置。 控制器电路将接收到的信号转换为第一高电压信号和第二高电压信号。 第一平衡电路安装在第一连接板上并连接到放电灯的一端。 第二平衡电路安装在第二连接板上并连接到放电灯的另一端。 第一组高压线路连接控制器板和第一连接板,并且第一高压信号经由第一组高压线从控制电路输出到第一平衡电路。 第二组高压线路连接控制器板和第二连接板,第二高压信号经由第二组高压线从控制电路输出到第二平衡电路。
    • 6. 发明申请
    • TRANSFORMER WITH ADJUSTABLE LEAKAGE INDUCTANCE AND DRIVING DEVICE USING THE SAME
    • 具有可调节泄漏电感和驱动装置的变压器
    • US20070216508A1
    • 2007-09-20
    • US11616865
    • 2006-12-28
    • CHIH-CHAN GERYU-HSIANG LIAO
    • CHIH-CHAN GERYU-HSIANG LIAO
    • H01F27/30
    • H01F38/10H01F27/326H01F29/08H05B41/2822
    • A transformer (50) with adjustable leakage inductance includes a first bobbin (525), a first winding (521), and a second winding (522). The first bobbin includes a first region (B1) and a second region (B2). The second winding includes a first coil portion (522a) and a second coil portion (522b). One of the first winding and the first coil portion of the second winding is wound around the first region of the first bobbin, and the other of the first winding and the first coil portion of the second winding is wound outside of the one wound around the first region of the first bobbin. The second coil portion of the second winding is wound around the second region of the first bobbin. In the invention, the leakage inductance of the transformer is adjustable via adjusting the number of the coils of the first coil portion and the second coil portion.
    • 具有可调漏电感的变压器(50)包括第一线筒(525),第一绕组(521)和第二绕组(522)。 第一线轴包括第一区域(B 1)和第二区域(B 2)。 第二绕组包括第一线圈部分(522a)和第二线圈部分(522b)。 第二绕组的第一绕组和第一线圈部分中的一个卷绕在第一绕线筒的第一区域周围,第二绕组的第一绕组和第一线圈部分中的另一个缠绕在围绕 第一线轴的第一区域。 第二绕组的第二线圈部分缠绕在第一线轴的第二区域上。 在本发明中,通过调整第一线圈部分和第二线圈部分的线圈数量,可以调节变压器的漏电感。
    • 7. 发明申请
    • TRANSFORMER INCLUDING HIGH VOLTAGE POLE AND ELECTRICAL CONNECTION TO LOAD
    • 变压器包括高电压和电气连接
    • US20120038447A1
    • 2012-02-16
    • US12873275
    • 2010-08-31
    • YU-SHENG TAOCHIH-CHAN GERLIEN-FU CHIEN
    • YU-SHENG TAOCHIH-CHAN GERLIEN-FU CHIEN
    • H01F27/29
    • H01F27/326
    • A transformer can be mounted on a circuit board. The circuit board includes a high-voltage line and a load. The transformer includes a bobbin used for winding a coil. The bobbin includes a first secondary area. A first secondary high voltage pole extends from the first secondary area. A first secondary high voltage pin is fixed on an end of the first secondary high voltage pole away from the first secondary area. The bobbin is made of an insulator. The first secondary high voltage pin is made of a conductor. The high voltage end of the coil is disposed on a top surface of the first secondary high voltage pole and electrically connected to the first secondary high voltage pin. The first secondary high voltage pole is capable of jumping across the high-voltage line to make the first secondary high voltage pin to electrically connect to the load.
    • 变压器可以安装在电路板上。 电路板包括高压线和负载。 变压器包括用于卷绕线圈的线轴。 线轴包括第一辅助区域。 第一副高压电极从第一辅助区域延伸。 第一次级高压引脚固定在远离第一辅助区域的第一次级高压极端的一端。 线轴由绝缘体制成。 第一个次级高压引脚由导体制成。 线圈的高压端设置在第一次级高压极的顶表面上并电连接到第一次级高压引脚。 第一个次级高压极能够跳过高压线,使第一个次级高压引脚电连接到负载。
    • 8. 发明申请
    • LIGHT EMITTING DIODE DRIVING DEVICE
    • 发光二极管驱动装置
    • US20110133669A1
    • 2011-06-09
    • US12844832
    • 2010-07-28
    • CHIH-CHAN GERCHIA-KUN CHEN
    • CHIH-CHAN GERCHIA-KUN CHEN
    • H05B41/36
    • H05B33/0827
    • A light emitting diode (LED) driving device for driving a plurality of LED strings includes a power stage circuit, a plurality of fly-back transformers, and a controller circuit. The power stage circuit outputs direct current (DC) voltage signals. Each of the plurality of fly-back transformers includes a primary winding connected to the power stage circuit and a secondary winding connected to a diode and one of the plurality of LED strings to form a series loop. The controller circuit controls the plurality of fly-back transformers to synchronously work in a discontinuous current mode to make the plurality of LED strings have the same current.
    • 用于驱动多个LED串的发光二极管(LED)驱动装置包括功率级电路,多个回扫变压器和控制器电路。 功率级电路输出直流(DC)电压信号。 多个回扫变压器中的每一个包括连接到功率级电路的初级绕组和连接到二极管和多个LED串中的一个以形成串联回路的次级绕组。 控制器电路控制多个回扫变压器以不连续电流模式同步工作,以使多个LED串具有相同的电流。
    • 9. 发明申请
    • FAULT DETECTION CIRCUIT
    • 故障检测电路
    • US20100253365A1
    • 2010-10-07
    • US12477129
    • 2009-06-03
    • CHIH-CHAN GERCHI-CHANG LUCHIA-KUN CHEN
    • CHIH-CHAN GERCHI-CHANG LUCHIA-KUN CHEN
    • H01H31/02
    • G01R31/42G01R15/183
    • A fault detection circuit connects to and determines the occurrence of failure in an inverter circuit. The inverter circuit comprises three outputs to connect three groups of lamps respectively, and the fault detection circuit comprises a magnetic unit and a signal detection unit. The magnetic unit comprises first, second and third flux generating windings electrically connected to the three outputs of the inverter circuit, and a flux detection winding. If no fault occurs on the outputs of the inverter circuit, total flux generated by the flux generating windings is cancelled out. As long as any fault occurs on the outputs of the inverter circuit, flux generated by the flux generating windings cannot be canceled out, and the flux detection winding is electromagnetically coupled accordingly and driven by the generated flux to output a coupling signal, based on which the signal detection unit generates an alert signal accordingly.
    • 故障检测电路连接并确定逆变器电路中的故障的发生。 逆变器电路包括三个输出,分别连接三组灯,故障检测电路包括磁单元和信号检测单元。 磁性单元包括电连接到逆变器电路的三个输出的第一,第二和第三通量产生绕组以及磁通检测绕组。 如果逆变器电路的输出没有发生故障,则消除由磁通发生绕组产生的总通量。 只要在逆变器电路的输出上发生任何故障,则不能消除由磁通发生绕组产生的磁通,并且磁通检测绕组被相应地电磁耦合并由所产生的磁通驱动以输出耦合信号,基于该耦合信号 信号检测单元相应地生成报警信号。
    • 10. 发明申请
    • LIGHT SOURCE SIMULATING DEVICE
    • 光源模拟器件
    • US20080149378A1
    • 2008-06-26
    • US11959471
    • 2007-12-19
    • CHIH-CHAN GERKO-WEN WANG
    • CHIH-CHAN GERKO-WEN WANG
    • H05K7/06
    • H05B41/285G01R1/203G01R31/42H05B41/2822Y02B20/183
    • A light source simulating device comprises a circuit board, at least a conductor and at least a resistor. The circuit board has a first surface. The conductor is disposed on the first surface of the circuit board. The resistor is also disposed on the first surface of the circuit board and connected in series to a high voltage end and a low voltage end of the light source simulating device by the conductor for simulating the light source. The light source simulating device in the present invention simulates the light source by the resistor and replaces the actual discharge lamps, which have lower cost, smaller test place and higher test reliability of the inverter.
    • 光源模拟装置包括电路板,至少一个导体和至少一个电阻器。 电路板具有第一表面。 导体设置在电路板的第一表面上。 电阻器还设置在电路板的第一表面上,并且通过用于模拟光源的导体串联连接到光源模拟装置的高压端和低电压端。 本发明的光源模拟装置通过电阻器模拟光源,代替实际的放电灯,其具有成本更低,测试地点更小以及更高的逆变器测试可靠性。