利索-全球专利检索

  1. 登录
  2. 注册

搜索结果

10 条记录 (耗时 0.031 秒)

    Active Bleeder Circuit Triggering TRIAC in All Phase and Light Emitting Device Power Supply Circuit and TRIAC Control Method Using the Active Bleeder Circuit
    1.
    发明申请
    Active Bleeder Circuit Triggering TRIAC in All Phase and Light Emitting Device Power Supply Circuit and TRIAC Control Method Using the Active Bleeder Circuit 有权
    有源漏电电路触发TRIAC在所有相和发光装置电源电路和TRIAC控制方法使用主动式出血电路

    公开(公告)号：US20130169177A1

    公开(公告)日：2013-07-04

    申请号：US13728541

    申请日：2012-12-27

    申请人： Chia-Wei Liao ,  Leng-Nien Hsin ,  Pei-Yuan Chen ,  Roland Van Roy ,  Jing-Meng Liu

    发明人： Chia-Wei Liao ,  Leng-Nien Hsin ,  Pei-Yuan Chen ,  Roland Van Roy ,  Jing-Meng Liu

    IPC分类号： G05F1/455 ,  G05F3/02 ,  H05B37/02

    CPC分类号： G05F1/455 ,  G05F1/10 ,  G05F3/02 ,  H05B33/0815 ,  H05B37/02 ,  Y02B20/346

    摘要： The present invention discloses an active bleeder circuit capable of triggering a tri-electrode AC switch (TRIAC) circuit in all phase. The active bleeder circuit receives a rectified signal having an OFF phase and an ON phase. The active bleeder includes: a detection circuit for generating a detection signal according to the rectified signal and accumulating the detection signal in the OFF phase of the rectified signal; and a current sinker circuit coupled to the detection circuit, for generates a latching current to trigger the TRIAC circuit by operating a switch when the detection signal exceeds a predetermined level. The present invention also discloses a light emitting device power supply circuit and a TRIAC control method using the active bleeder circuit.

    摘要翻译： 本发明公开了一种能够全相触发三电极交流开关（TRIAC）电路的有源放电电路。 有源泄放电路接收具有OFF相位和ON相位的整流信号。 有源放电器包括：检测电路，用于根据整流信号产生检测信号，并将检测信号累积在整流信号的OFF相位; 以及耦合到检测电路的电流沉降电路，用于当检测信号超过预定电平时，通过操作开关产生触发TRIAC电路的锁存电流。 本发明还公开了一种使用有源泄放电路的发光器件电源电路和TRIAC控制方法。

    Switching Regulator and Control Circuit and Control Method Thereof
    4.
    发明申请
    Switching Regulator and Control Circuit and Control Method Thereof 有权
    开关稳压器及其控制电路及其控制方法

    公开(公告)号：US20130169252A1

    公开(公告)日：2013-07-04

    申请号：US13728605

    申请日：2012-12-27

    申请人： Chia-Wei Liao ,  Leng-Nien Hsiu ,  Pei-Yuan Chen ,  Roland Van Roy ,  Jing-Meng Liu

    发明人： Chia-Wei Liao ,  Leng-Nien Hsiu ,  Pei-Yuan Chen ,  Roland Van Roy ,  Jing-Meng Liu

    IPC分类号： G05F1/10

    CPC分类号： G05F1/455 ,  G05F1/10 ,  G05F3/02 ,  H05B33/0815 ,  H05B37/02 ,  Y02B20/346

    摘要： The present invention discloses a switching regulator and a control circuit and a control method thereof. The switching regulator generates a compensation signal according to a feedback signal, and generates a driving signal according to the compensation signal, to control a power stage for converting an input voltage to an output voltage. The compensation signal is adjusted according to the input voltage, such that when the input voltage is equal to or lower than a predetermined level, the compensation signal is kept at a predetermined value.

    摘要翻译： 本发明公开了一种开关调节器及其控制电路及其控制方法。 开关调节器根据反馈信号产生补偿信号，并根据补偿信号产生驱动信号，以控制用于将输入电压转换为输出电压的功率级。 根据输入电压调整补偿信号，使得当输入电压等于或低于预定电平时，补偿信号保持在预定值。

    Circuit and method for providing absolute information for floating grounded integrated circuit
    5.
    发明授权
    Circuit and method for providing absolute information for floating grounded integrated circuit 有权
    用于为浮动接地集成电路提供绝对信息的电路和方法

    公开(公告)号：US08659239B2

    公开(公告)日：2014-02-25

    申请号：US13189968

    申请日：2011-07-25

    申请人： Chia-Wei Liao ,  Roland Van Roy ,  Jing-Meng Liu ,  Leng-Nien Hsiu

    发明人： Chia-Wei Liao ,  Roland Van Roy ,  Jing-Meng Liu ,  Leng-Nien Hsiu

    IPC分类号： H05B37/02

    CPC分类号： H05B33/0815 ,  G01R1/28 ,  H05B33/0854

    摘要： The present invention discloses a circuit and a method for providing absolute information for floating grounded integrated circuit. The method includes: receiving an absolute information sense signal carrying absolute information; converting the absolute information sense signal to a current signal; and generating an internal reference signal according to the current signal, wherein the internal reference signal or a relationship between the internal reference signal and a floating ground level is related to the absolute information.

    摘要翻译： 本发明公开了一种用于提供浮动接地集成电路的绝对信息的电路和方法。 该方法包括：接收绝对信息的绝对信息检测信号; 将绝对信息感测信号转换成电流信号; 以及根据所述当前信号产生内部参考信号，其中所述内部参考信号或所述内部参考信号与浮动地面电平之间的关系与所述绝对信息相关。

    LED driver with direct AC-DC conversion and control, and method and integrated circuit therefor
    6.
    发明授权
    LED driver with direct AC-DC conversion and control, and method and integrated circuit therefor 有权
    具有直接AC-DC转换和控制的LED驱动器及其方法和集成电路

    公开(公告)号：US08384305B2

    公开(公告)日：2013-02-26

    申请号：US12711515

    申请日：2010-02-24

    申请人： Chia-Wei Liao ,  Jing-Meng Liu ,  Roland Van Roy

    发明人： Chia-Wei Liao ,  Jing-Meng Liu ,  Roland Van Roy

    IPC分类号： H05B41/36

    CPC分类号： H02M3/33507 ,  H05B33/0815 ,  Y02B20/347

    摘要： The present invention discloses an LED driver with direct AC-DC conversion and control function, and a method and integrated circuit therefor. The LED driver comprises: a primary side circuit receiving rectified AC power, the primary side circuit including at least one power switch; a transformer coupled to the primary side circuit and controlled by the at least one power switch to convert a primary voltage to a secondary voltage which is supplied to an LED circuit; and a secondary side circuit coupled to the transformer, the secondary side circuit directly controlling current flowing through the LED circuit and sending a feedback signal to the primary side circuit to control the at least one power switch thereby.

    摘要翻译： 本发明公开了具有直接AC-DC转换和控制功能的LED驱动器及其方法和集成电路。 所述LED驱动器包括：初级侧电路，接收整流的AC电力，所述初级侧电路包括至少一个电源开关; 耦合到所述初级侧电路并由所述至少一个电源开关控制的变压器，以将初级电压转换为提供给LED电路的次级电压; 以及耦合到所述变压器的次级侧电路，所述次级侧电路直接控制流过所述LED电路的电流并向所述初级侧电路发送反馈信号以控制所述至少一个电力开关。

    CIRCUIT AND METHOD FOR PROVIDING ABSOLUTE INFORMATION FOR FLOATING GROUNDED INTEGRATED CIRCUIT
    7.
    发明申请
    CIRCUIT AND METHOD FOR PROVIDING ABSOLUTE INFORMATION FOR FLOATING GROUNDED INTEGRATED CIRCUIT 有权
    提供用于浮动接地集成电路的绝对信息的电路和方法

    公开(公告)号：US20120187997A1

    公开(公告)日：2012-07-26

    申请号：US13189968

    申请日：2011-07-25

    申请人： Chia-Wei Liao ,  Roland Van Roy ,  Jing-Meng Liu ,  Leng-Nien Hsiu

    发明人： Chia-Wei Liao ,  Roland Van Roy ,  Jing-Meng Liu ,  Leng-Nien Hsiu

    IPC分类号： G06F1/04

    CPC分类号： H05B33/0815 ,  G01R1/28 ,  H05B33/0854

    摘要： The present invention discloses a circuit and a method for providing absolute information for floating grounded integrated circuit. The method includes: receiving an absolute information sense signal carrying absolute information; converting the absolute information sense signal to a current signal; and generating an internal reference signal according to the current signal, wherein the internal reference signal or a relationship between the internal reference signal and a floating ground level is related to the absolute information.

    摘要翻译： 本发明公开了一种用于提供浮动接地集成电路的绝对信息的电路和方法。 该方法包括：接收绝对信息的绝对信息检测信号; 将绝对信息感测信号转换成电流信号; 以及根据所述当前信号产生内部参考信号，其中所述内部参考信号或所述内部参考信号与浮动地面电平之间的关系与所述绝对信息相关。

    LED Driver with Direct AC-DC Conversion and Control, and Method and Integrated Circuit Therefor
    8.
    发明申请
    LED Driver with Direct AC-DC Conversion and Control, and Method and Integrated Circuit Therefor 有权
    具有直接AC-DC转换和控制的LED驱动器及其方法和集成电路

    公开(公告)号：US20100225249A1

    公开(公告)日：2010-09-09

    申请号：US12711515

    申请日：2010-02-24

    申请人： Chia-Wei Liao ,  Jing-Meng Liu ,  Roland Van Roy

    发明人： Chia-Wei Liao ,  Jing-Meng Liu ,  Roland Van Roy

    IPC分类号： H05B41/36

    CPC分类号： H02M3/33507 ,  H05B33/0815 ,  Y02B20/347

    摘要： The present invention discloses an LED driver with direct AC-DC conversion and control function, and a method and integrated circuit therefor. The LED driver comprises: a primary side circuit receiving rectified AC power, the primary side circuit including at least one power switch; a transformer coupled to the primary side circuit and controlled by the at least one power switch to convert a primary voltage to a secondary voltage which is supplied to an LED circuit; and a secondary side circuit coupled to the transformer, the secondary side circuit directly controlling current flowing through the LED circuit and sending a feedback signal to the primary side circuit to control the at least one power switch thereby.

    摘要翻译： 本发明公开了具有直接AC-DC转换和控制功能的LED驱动器及其方法和集成电路。 所述LED驱动器包括：初级侧电路，接收整流的AC电力，所述初级侧电路包括至少一个电源开关; 耦合到所述初级侧电路并由所述至少一个电源开关控制的变压器，以将初级电压转换为提供给LED电路的次级电压; 以及耦合到所述变压器的次级侧电路，所述次级侧电路直接控制流过所述LED电路的电流并向所述初级侧电路发送反馈信号以控制所述至少一个电源开关。

    LIGHT EMITTING DEVICE DRIVER CIRCUIT AND METHOD FOR DRIVING LIGHT EMITTING DEVICE
    10.
    发明申请
    LIGHT EMITTING DEVICE DRIVER CIRCUIT AND METHOD FOR DRIVING LIGHT EMITTING DEVICE 有权
    发光装置驱动电路及其驱动发光装置的方法

    公开(公告)号：US20110133657A1

    公开(公告)日：2011-06-09

    申请号：US12942179

    申请日：2010-11-09

    申请人： PEI-CHENG HUANG ,  Jing-Meng Liu ,  Roland Van Roy

    发明人： PEI-CHENG HUANG ,  Jing-Meng Liu ,  Roland Van Roy

    IPC分类号： H05B37/00 ,  H05B41/36

    CPC分类号： H05B33/0818

    摘要： The present invention discloses a light emitting device driver circuit and a method for driving a light emitting device. In the present invention, the secondary windings of a transformer provide positive and negative secondary voltages, so as to generate positive and negative output voltages. A light emitting device circuit is coupled between the positive and negative output voltages. As such, the specification to withstand high voltage for a device in the circuit is reduced.

    摘要翻译： 本发明公开了一种发光器件驱动电路和驱动发光器件的方法。 在本发明中，变压器的次级绕组提供正和负二次电压，从而产生正和负的输出电压。 发光器件电路耦合在正和负输出电压之间。 因此，降低了用于承受电路中器件的高电压的规范。