公开(公告)号：US09287796B2

公开(公告)日：2016-03-15

申请号：US13765609

申请日：2013-02-12

Applicant: Chia-Wei Liao ,  Jing-Meng Liu

Inventor： Chia-Wei Liao ,  Jing-Meng Liu

IPC: H02M3/335 ,  H02M5/40 ,  H02M1/00

CPC classification number: H02M5/40 ,  H02M3/33523 ,  H02M2001/0032 ,  Y02B70/16

Abstract: The present invention discloses an isolated power converter circuit and a control method thereof. The isolated power converter circuit includes: a transformer circuit, a power switch circuit, an opto-coupler circuit, and a control circuit. The transformer circuit includes a first winding and a second winding. The power switch circuit is coupled to the transformer circuit to control it according to a driving signal. The opto-coupler circuit generates a feedback signal. The control circuit is coupled to the power switch circuit and the opto-coupler circuit, for generating the driving signal according to the feedback signal. The control circuit includes a distinguishing circuit for distinguishing a status of the feedback signal.

Abstract translation: 本发明公开了一种隔离电力转换电路及其控制方法。 隔离电力转换器电路包括：变压器电路，电源开关电路，光耦合器电路和控制电路。 变压器电路包括第一绕组和第二绕组。 功率开关电路耦合到变压器电路，以根据驱动信号进行控制。 光耦合器电路产生反馈信号。 控制电路耦合到功率开关电路和光耦合器电路，用于根据反馈信号产生驱动信号。 控制电路包括用于区分反馈信号的状态的区别电路。

公开(公告)号：US20140285109A1

公开(公告)日：2014-09-25

申请号：US14214747

申请日：2014-03-15

Applicant: Chia-Wei Liao ,  Leng-Nien Hsiu

Inventor： Chia-Wei Liao ,  Leng-Nien Hsiu

IPC: H05B33/08

CPC classification number: H05B33/0815

Abstract: The present invention discloses a light emitting device driver circuit and a control circuit and a control method thereof. The light emitting device driver circuit converts an input voltage to an output voltage, and provides an output current to a light emitting device circuit. The present invention detects whether the output voltage exceeds a predetermined level, and if no, the regulation target of the output current is set to a relatively higher current to fast charge an output capacitor; if yes, the output current is regulated to a desired target, wherein the relatively higher current is higher than the desired target.

Abstract translation: 本发明公开了一种发光装置驱动电路及其控制电路及其控制方法。 发光器件驱动器电路将输入电压转换为输出电压，并向发光器件电路提供输出电流。 本发明检测输出电压是否超过预定电平，否则，将输出电流的调节目标设定为相对较高的电流，对输出电容器进行快速充电; 如果是，则将输出电流调节到期望的目标，其中相对较高的电流高于期望的目标。

公开(公告)号：US08780587B2

公开(公告)日：2014-07-15

申请号：US13674824

申请日：2012-11-12

Applicant: Chia-Wei Liao ,  Jing-Meng Liu ,  Leng-Nien Hsiu ,  Pei-Yuan Chen

Inventor： Chia-Wei Liao ,  Jing-Meng Liu ,  Leng-Nien Hsiu ,  Pei-Yuan Chen

IPC: H02M3/335 ,  H02M1/42

CPC classification number: H02M3/33507 ,  H02M1/4258 ,  Y02B70/126

Abstract: A control circuit of a switching regulator, which controls rectified power within a predetermined range, detects an input voltage and an input current to generate a voltage detection signal and a current detection signal respectively, and the voltage detection signal and the current detection signal are multiplied by one the other to generate a power index. The control circuit generates an error signal according to the power index and a reference signal. A low-pass-filter filters a high frequency band in the process. A control signal generation circuit of the control circuit generates a control signal according to the error signal. And a driver circuit of the control circuit generates an operation signal according to the control signal, for switching a power switch to convert the rectified power to an output voltage.

Abstract translation: 控制在预定范围内的整流功率的开关调节器的控制电路分别检测输入电压和输入电流以产生电压检测信号和电流检测信号，并将电压检测信号和电流检测信号相乘 通过另一个来产生权力指数。 控制电路根据功率指标和参考信号产生误差信号。 低通滤波器过滤高频带。 控制电路的控制信号生成电路根据误差信号生成控制信号。 并且控制电路的驱动电路根据控制信号生成操作信号，用于切换电源开关以将整流功率转换为输出电压。

公开(公告)号：US08661932B2

公开(公告)日：2014-03-04

申请号：US13047940

申请日：2011-03-15

Applicant: Chia-Wei Liao

Inventor： Chia-Wei Liao

IPC: B62M25/04 ,  B62K23/06

CPC classification number: B62M25/04 ,  B62K23/06

Abstract: A speed control device, which is adapted to be used in connection with a derailleur type bicycle or an internal gear hub type bicycle, has one operation mode for up-shifting the speed and another operation mode for down-shifting the speed. The two operation modes can be affected by an operation lever, with the operation lever pivoted in a second rotation direction for the up-shifting operation and in a first rotation direction for the down-shifting operation.

Abstract translation: 适用于与拨链器式自行车或内齿轮式自行车相关联使用的速度控制装置具有用于使速度上升的一种操作模式和用于下降速度的另一操作模式。 两个操作模式可能受到操作杆的影响，操作杆在向上移动操作的第二旋转方向上枢转并且在向下移动操作的第一旋转方向上。

公开(公告)号：US08659239B2

公开(公告)日：2014-02-25

申请号：US13189968

申请日：2011-07-25

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

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

IPC: H05B37/02

CPC classification number: H05B33/0815 ,  G01R1/28 ,  H05B33/0854

Abstract: 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.

Abstract translation: 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。

公开(公告)号：US20130221875A1

公开(公告)日：2013-08-29

申请号：US13775156

申请日：2013-02-23

Applicant: Chia-Wei Liao ,  Jing-Meng Liu

Inventor： Chia-Wei Liao ,  Jing-Meng Liu

IPC: H05B33/08

CPC classification number: H05B33/0851 ,  H05B33/0815

Abstract: The present invention discloses a light emitting device circuit and a control method thereof. The light emitting device circuit includes: a light emitting device control circuit, for converting an input voltage to an output voltage according to a control signal, wherein the output voltage is supplied to a light emitting device circuit; a voltage supply circuit, which is coupled to the light emitting device circuit, for generating a supply voltage from the output voltage; and a remote control circuit, which is coupled to the voltage supply circuit, for receiving the supply voltage, and generating the control signal according to a remote signal.

Abstract translation: 本发明公开了一种发光器件电路及其控制方法。 发光器件电路包括：发光器件控制电路，用于根据控制信号将输入电压转换为输出电压，其中输出电压被提供给发光器件电路; 耦合到所述发光器件电路的用于从所述输出电压产生电源电压的电压供应电路; 以及遥控电路，其耦合到电压供应电路，用于接收电源电压，并根据远程信号产生控制信号。

公开(公告)号：US20130215651A1

公开(公告)日：2013-08-22

申请号：US13765609

申请日：2013-02-12

Applicant: Chia-Wei Liao ,  Jing-Meng Liu

Inventor： Chia-Wei Liao ,  Jing-Meng Liu

IPC: H02M5/40

CPC classification number: H02M5/40 ,  H02M3/33523 ,  H02M2001/0032 ,  Y02B70/16

Abstract: The present invention discloses an isolated power converter circuit and a control method thereof. The isolated power converter circuit includes: a transformer circuit, a power switch circuit, an opto-coupler circuit, and a control circuit. The transformer circuit includes a first winding and a second winding. The power switch circuit is coupled to the transformer circuit to control it according to a driving signal. The opto-coupler circuit generates a feedback signal. The control circuit is coupled to the power switch circuit and the opto-coupler circuit, for generating the driving signal according to the feedback signal. The control circuit includes a distinguishing circuit for distinguishing a status of the feedback signal.

Abstract translation: 本发明公开了一种隔离电力转换电路及其控制方法。 隔离电力转换器电路包括：变压器电路，电源开关电路，光耦合器电路和控制电路。 变压器电路包括第一绕组和第二绕组。 功率开关电路耦合到变压器电路，以根据驱动信号进行控制。 光耦合器电路产生反馈信号。 控制电路耦合到功率开关电路和光耦合器电路，用于根据反馈信号产生驱动信号。 控制电路包括用于区分反馈信号的状态的区别电路。

公开(公告)号：US08300670B2

公开(公告)日：2012-10-30

申请号：US13166817

申请日：2011-06-23

Applicant: Hsiao-Yuan Chi ,  Chih-Ching Chen ,  Chia-Wei Liao

Inventor： Hsiao-Yuan Chi ,  Chih-Ching Chen ,  Chia-Wei Liao

IPC: H01S3/00

CPC classification number: G11B7/126

Abstract: A method for deriving precise control over laser power of an optical pickup unit (OPU) includes: providing an analog-to-digital converter (ADC) within an automatic power calibration (APC) circuit to derive a path gain and/or a path offset from the APC circuit; and selectively performing compensation according to the gain and/or the path offset, in order to maintain precision of a relationship between the laser power and a target command utilized for controlling the laser power. An associated APC circuit comprising an ADC and at least one compensation module is further provided. The ADC is utilized for deriving a path gain and/or a path offset from the APC circuit. The compensation module is utilized for selectively performing compensation according to the path gain and/or the path offset, in order to control the laser power by a target command.

Abstract translation: 用于导出对光学拾取单元（OPU）的激光功率的精确控制的方法包括：在自动功率校准（APC）电路内提供模数转换器（ADC）以导出路径增益和/或路径偏移 从APC电路; 并且根据增益和/或路径偏移选择性地执行补偿，以便保持激光功率与用于控制激光功率的目标指令之间的关系的精度。 还提供了包括ADC和至少一个补偿模块的相关APC电路。 ADC用于从APC电路导出路径增益和/或路径偏移。 补偿模块用于根据路径增益和/或路径偏移选择性地执行补偿，以便通过目标命令控制激光功率。

公开(公告)号：US20120242238A1

公开(公告)日：2012-09-27

申请号：US13421733

申请日：2012-03-15

Applicant: Pei-Yuan Chen ,  Chia-Wei Liao ,  Jing-Meng Liu ,  Leng-Nien Hsiu

Inventor： Pei-Yuan Chen ,  Chia-Wei Liao ,  Jing-Meng Liu ,  Leng-Nien Hsiu

IPC: H05B37/02

CPC classification number: H05B33/0815

Abstract: The present invention discloses a light emitting device power supply circuit, a light emitting device driver circuit and a control method thereof. The light emitting device driver circuit is coupled to a tri-electrode AC switch (TRIAC) dimmer circuit, and it controls the brightness of a light emitting device circuit according a rectified dimming signal. The light emitting device driver circuit includes a power stage circuit and a light emitting device control circuit. The light emitting device control circuit generates a switch control signal. The power stage circuit operates at least one power switch thereof according to the switch control signal to generate a latching current for firing the TRIAC dimmer circuit, and the latching current is inputted to the light emitting device circuit.

Abstract translation: 本发明公开了一种发光装置电源电路，发光装置驱动电路及其控制方法。 发光器件驱动电路耦合到三极交流开关（TRIAC）调光电路，并根据整流调光信号控制发光器件电路的亮度。 发光器件驱动电路包括功率级电路和发光器件控制电路。 发光装置控制电路产生开关控制信号。 功率级电路根据开关控制信号操作其至少一个电源开关，以产生用于触发TRIAC调光电路的锁存电流，并且将锁存电流输入到发光器件电路。

公开(公告)号：US08253476B2

公开(公告)日：2012-08-28

申请号：US13247027

申请日：2011-09-28

Applicant: Chia-Wei Liao

Inventor： Chia-Wei Liao

IPC: H01H85/00

CPC classification number: H01H85/0241

Abstract: A trimmer circuit is so configured that an electronic device will break down to produce a high current to trim a fuse. The electronic device is selectively configured to have a breakdown voltage lower than an applied voltage, for the trigger of its breakdown to be controllable. In an embodiment, the electronic device is switched between two states having two breakdown voltages respectively, and the applied voltage is higher than one of the breakdown voltages and lower than the other one.