公开(公告)号：US07446506B2

公开(公告)日：2008-11-04

申请号：US11306857

申请日：2006-01-13

Applicant: Ming-Nan Chuang ,  Yi-Shan Chu

Inventor： Ming-Nan Chuang ,  Yi-Shan Chu

IPC: H02J7/00 ,  H02J7/04 ,  H02J7/16

CPC classification number: H02H7/16 ,  H01G9/155 ,  H02J7/0031 ,  H02J7/025 ,  H02J50/05 ,  H02J50/80 ,  Y02E60/13

Abstract: The present invention provides an apparatus for controlling a capacitor charging circuit and a method thereof. The apparatus includes a first comparator, a second comparator, and a controller. The first comparator, which is coupled to the charging circuit, receives a voltage level and compares the voltage level with a reference voltage level to generate a first indication signal. The voltage level corresponds to an output voltage of the charging circuit. The second comparator receives a control value and compares the control value with a threshold value to generate a second indication signal. The controller, which is coupled to the charging circuit, the first comparator and the second comparator, generates a control signal according to the first indication signal and the second indication signal to turn the charging circuit on and off, and further generates the control value according to the control signal.

Abstract translation: 本发明提供一种电容充电电路的控制装置及其方法。 该装置包括第一比较器，第二比较器和控制器。 耦合到充电电路的第一比较器接收电压电平，并将电压电平与参考电压电平进行比较以产生第一指示信号。 电压电平对应于充电电路的输出电压。 第二比较器接收控制值并将控制值与阈值进行比较以产生第二指示信号。 耦合到充电电路的控制器，第一比较器和第二比较器，根据第一指示信号和第二指示信号产生控制信号，以打开和关闭充电电路，并进一步产生控制值 到控制信号。

公开(公告)号：US20050231129A1

公开(公告)日：2005-10-20

申请号：US10930996

申请日：2004-08-31

Applicant: Yi-Shan Chu ,  Ming-Nan Chuang

Inventor： Yi-Shan Chu ,  Ming-Nan Chuang

IPC: G03B7/16 ,  G03B15/03 ,  G03B15/05 ,  H04N5/235 ,  H05B41/32

CPC classification number: H05B41/325 ,  G03B7/16 ,  G03B15/05 ,  G03B2215/0503 ,  H04N5/2354

Abstract: A flashlight control circuit is provided to control the flash according to an exposure voltage and a predetermined voltage. Either a first comparator, second comparator and logic gate or a comparator, a first inverter, a first transistor, a first logic gate and a second logic gate may be included in the control circuit. The provided circuit enables the capacitor to discharge promptly when the trigger signal stops. Therefore, an additional control signal for discharge is not necessary. Furthermore, the circuit has a clamping circuit to clamp the exposure voltage at a lower level than the predetermined voltage according to a full flash signal.

Abstract translation: 提供手电筒控制电路以根据曝光电压和预定电压来控制闪光。 控制电路中可以包括第一比较器，第二比较器和逻辑门或比较器，第一反相器，第一晶体管，第一逻辑门和第二逻辑门。 当触发信号停止时，所提供的电路使电容器能够及时放电。 因此，不需要用于放电的附加控制信号。 此外，电路具有钳位电路，以根据全闪光信号将曝光电压钳位在比预定电压低的水平。

公开(公告)号：US20050094419A1

公开(公告)日：2005-05-05

申请号：US10919301

申请日：2004-08-17

Applicant: Yi-Shan Chu ,  Ming-Nan Chuang ,  Yuan-Wen Chang

Inventor： Yi-Shan Chu ,  Ming-Nan Chuang ,  Yuan-Wen Chang

IPC: H02M3/335

CPC classification number: H02M3/33507

Abstract: A high voltage charging circuit includes an activation control circuit, an inactivation control circuit and a power transistor. The activation control circuit is used for controlling an ON time period of the power transistor to enable the transformer to store excited-magnetic energy; the inactivation control circuit is used for controlling an OFF time period of the power transistor to make the transformer to release the excited-magnetic energy and use the excited-magnetic energy to charge the high voltage capacitor. Since the user can select a smaller Lp to keep constant the maximum value IP,max for the primary side current IP, the period tON can be made smaller as well, which means that a transformer 14 with a smaller volume can be utilized to reduce the entire size of the high voltage charging circuit.

Abstract translation: 高压充电电路包括启动控制电路，失活控制电路和功率晶体管。 激活控制电路用于控制功率晶体管的接通时间段，以使变压器能够存储激发磁能; 失活控制电路用于控制功率晶体管的OFF时间周期，以使变压器释放激发磁能，并使用激发磁能对高压电容器充电。 由于用户可以选择较小的Lp来保持初级侧电流I P P的最大值I SUB，最大值，所以周期t ON ON >也可以变得更小，这意味着可以利用具有较小体积的变压器14来减小高压充电电路的整体尺寸。

公开(公告)号：US20090115390A1

公开(公告)日：2009-05-07

申请号：US11934791

申请日：2007-11-05

Applicant: Chen-Min Chen ,  Ching-Tsan Lee ,  Yi-Shan Chu ,  Ming-Nan Chuang

Inventor： Chen-Min Chen ,  Ching-Tsan Lee ,  Yi-Shan Chu ,  Ming-Nan Chuang

IPC: G05F1/44 ,  G05F1/10

CPC classification number: H02M1/32 ,  H02M3/155 ,  H02M2001/0041

Abstract: A power converter with a protection mechanism for a diode in an open-circuit condition includes a DC to Dc (DC/DC) conversion circuit, a detection and protection circuit, a pulse-width-modulation (PWM) signal generator, and a logic gate. The detection and protection circuit is used for detecting an open-circuit condition of the diode of the DC/DC conversion circuit. The logic gate receives an output signal of the detection and protection circuit and a PWM signal outputted by the PWM signal generator. When the diode is in an open-circuit condition, the PWM signal cannot be transmitted to a power switch of the DC/DC conversion circuit due to the output signal of the detection and protection circuit.

Abstract translation: 具有开路状态的二极管保护机构的电力转换器包括直流到直流（DC / DC）转换电路，检测和保护电路，脉冲宽度调制（PWM）信号发生器和逻辑 门。 检测和保护电路用于检测DC / DC转换电路二极管的开路状态。 逻辑门接收检测和保护电路的输出信号以及由PWM信号发生器输出的PWM信号。 当二极管处于开路状态时，由于检测和保护电路的输出信号，PWM信号不能传输到DC / DC转换电路的电源开关。

公开(公告)号：US20090001939A1

公开(公告)日：2009-01-01

申请号：US12205907

申请日：2008-09-07

Applicant: Ming-Nan Chuang ,  Yi-Shan Chu

Inventor： Ming-Nan Chuang ,  Yi-Shan Chu

IPC: H02J7/04

CPC classification number: H02H7/16 ,  H01G9/155 ,  H02J7/0031 ,  H02J7/025 ,  H02J50/05 ,  H02J50/80 ,  Y02E60/13

Abstract: An apparatus for controlling a charging circuit is provided. The apparatus includes a first detector, a second detector, and a controller. The first detector detects a voltage level at a first time and generates a first indication value corresponding to the voltage level at the first time, where the voltage level corresponds to an output voltage of the charging circuit. The second detector detects the voltage level at a second time after the first time and generates a second indication value corresponding to the voltage level at the second time. The controller receives the first and second indication values, and generates a control signal according to the first and second indication values for turning the charging circuit on and off.

Abstract translation: 提供一种用于控制充电电路的装置。 该装置包括第一检测器，第二检测器和控制器。 第一检测器在第一时间检测电压电平，并产生对应于第一时间的电压电平的第一指示值，其中电压电平对应于充电电路的输出电压。 第二检测器在第一次之后的第二时间检测电压电平，并且在第二时间产生对应于电压电平的第二指示值。 控制器接收第一和第二指示值，并根据第一和第二指示值产生控制信号，以使充电电路接通和断开。

公开(公告)号：US07106008B2

公开(公告)日：2006-09-12

申请号：US10930996

申请日：2004-08-31

Applicant: Yu-Shan Chu ,  Ming-Nan Chuang

Inventor： Yu-Shan Chu ,  Ming-Nan Chuang

IPC: H05B41/14

CPC classification number: H05B41/325 ,  G03B7/16 ,  G03B15/05 ,  G03B2215/0503 ,  H04N5/2354

Abstract: A flashlight control circuit is provided to control the flash according to an exposure voltage and a predetermined voltage. Either a first comparator, second comparator and logic gate or a comparator, a first inverter, a first transistor, a first logic gate and a second logic gate may be included in the control circuit. The provided circuit enables the capacitor to discharge promptly when the trigger signal stops. Therefore, an additional control signal for discharge is not necessary. Furthermore, the circuit has a clamping circuit to clamp the exposure voltage at a lower level than the predetermined voltage according to a full flash signal.

Abstract translation: 提供手电筒控制电路以根据曝光电压和预定电压来控制闪光。 控制电路中可以包括第一比较器，第二比较器和逻辑门或比较器，第一反相器，第一晶体管，第一逻辑门和第二逻辑门。 当触发信号停止时，所提供的电路使电容器能够及时放电。 因此，不需要用于放电的附加控制信号。 此外，电路具有钳位电路，以根据全闪光信号将曝光电压钳位在比预定电压低的水平。

公开(公告)号：US06621678B2

公开(公告)日：2003-09-16

申请号：US10038592

申请日：2002-01-03

Applicant: Dah-Jiun Wei ,  Ming-Nan Chuang

Inventor： Dah-Jiun Wei ,  Ming-Nan Chuang

IPC: H02H500

CPC classification number: H03K17/082 ,  H02H5/044 ,  H03K2017/0806

Abstract: A thermal protection circuit arranged in an integrated circuit for protecting a power delivery is disclosed. The thermal protection circuit for protecting a power delivery circuit includes a first thermal sensing circuit exhibiting a negative temperature coefficient characteristic for sensing a temperature of the power delivery circuit and providing a first voltage, a second thermal sensing circuit exhibiting a positive temperature coefficient characteristic for transforming the temperature of the power delivery circuit to a second voltage, an amplifier electrically connected to the first voltage and the second voltage for providing a control signal, wherein the amplifier is a function of a voltage difference between the first voltage and the second voltage, and a switch electrically connected to an output of the amplifier for limiting a maximum current passing there through in response to the control signal.

公开(公告)号：US08362750B2

公开(公告)日：2013-01-29

申请号：US12205907

申请日：2008-09-07

Applicant: Ming-Nan Chuang ,  Yi-Shan Chu

Inventor： Ming-Nan Chuang ,  Yi-Shan Chu

IPC: H02J7/00

CPC classification number: H02H7/16 ,  H01G9/155 ,  H02J7/0031 ,  H02J7/025 ,  H02J50/05 ,  H02J50/80 ,  Y02E60/13

Abstract: An apparatus for controlling a charging circuit is provided. The apparatus includes a first detector, a second detector, and a controller. The first detector detects a voltage level at a first time and generates a first indication value corresponding to the voltage level at the first time, where the voltage level corresponds to an output voltage of the charging circuit. The second detector detects the voltage level at a second time after the first time and generates a second indication value corresponding to the voltage level at the second time. The controller receives the first and second indication values, and generates a control signal according to the first and second indication values for turning the charging circuit on and off.

Abstract translation: 提供一种用于控制充电电路的装置。 该装置包括第一检测器，第二检测器和控制器。 第一检测器在第一时间检测电压电平，并产生对应于第一时间的电压电平的第一指示值，其中电压电平对应于充电电路的输出电压。 第二检测器在第一次之后的第二时间检测电压电平，并且在第二时间产生对应于电压电平的第二指示值。 控制器接收第一和第二指示值，并根据第一和第二指示值产生控制信号，以使充电电路接通和断开。

公开(公告)号：US20110133714A1

公开(公告)日：2011-06-09

申请号：US13030100

申请日：2011-02-17

Applicant: Chen-Min Chen ,  Ching-Tsan Lee ,  Yi-Shan Chu ,  Ming-Nan Chuang

Inventor： Chen-Min Chen ,  Ching-Tsan Lee ,  Yi-Shan Chu ,  Ming-Nan Chuang

IPC: G05F1/10

CPC classification number: H02M1/32 ,  H02M3/155 ,  H02M2001/0041

Abstract: A power converter with a protection mechanism for a diode in an open-circuit condition includes a DC to Dc (DC/DC) conversion circuit, a detection and protection circuit, a pulse-width-modulation (PWM) signal generator, and a logic gate. The detection and protection circuit is used for detecting an open-circuit condition of the diode of the DC/DC conversion circuit. The logic gate receives an output signal of the detection and protection circuit and a PWM signal outputted by the PWM signal generator. When the diode is in an open-circuit condition, the PWM signal cannot be transmitted to a power switch of the DC/DC conversion circuit due to the output signal of the detection and protection circuit.

Abstract translation: 具有开路状态的二极管保护机构的电力转换器包括直流到直流（DC / DC）转换电路，检测和保护电路，脉冲宽度调制（PWM）信号发生器和逻辑 门。 检测和保护电路用于检测DC / DC转换电路二极管的开路状态。 逻辑门接收检测和保护电路的输出信号以及由PWM信号发生器输出的PWM信号。 当二极管处于开路状态时，由于检测和保护电路的输出信号，PWM信号不能传输到DC / DC转换电路的电源开关。

公开(公告)号：US07378824B2

公开(公告)日：2008-05-27

申请号：US11420485

申请日：2006-05-26

Applicant: Ming-Nan Chuang ,  Meng-Chi Chiang ,  Yi-Shan Chu

Inventor： Ming-Nan Chuang ,  Meng-Chi Chiang ,  Yi-Shan Chu

IPC: G05F1/40 ,  G05F1/56

CPC classification number: H02M3/1588 ,  Y02B70/1466

Abstract: A voltage converter for providing an output voltage signal at an output port according to an input voltage signal is disclosed. The voltage converter comprises a feedback circuit, a transmission switch circuit, a voltage converting circuit, and a pre-bias circuit. The feedback circuit generates a feedback voltage signal according to the output voltage signal. The transmission switch circuit selectively transmits a converted voltage signal to the output port of the voltage converter in a normal mode or transmits the input voltage signal to the output port of the voltage converter in a pre-bias mode. The voltage converting circuit converts the input voltage signal into the converted voltage signal in the normal mode and references the feedback voltage signal and the reference voltage signal to adjust the output voltage signal in the normal mode. The pre-bias circuit controls a magnitude of a current passing through the transmission switch circuit.

Abstract translation: 公开了一种用于根据输入电压信号在输出端口提供输出电压信号的电压转换器。 电压转换器包括反馈电路，传输开关电路，电压转换电路和预偏置电路。 反馈电路根据输出电压信号产生反馈电压信号。 传输开关电路以正常模式选择性地将转换的电压信号发送到电压转换器的输出端口，或者以预偏置模式将输入电压信号传输到电压转换器的输出端口。 电压转换电路在正常模式下将输入电压信号转换为转换后的电压信号，并参考反馈电压信号和参考电压信号，以在正常模式下调节输出电压信号。 预偏置电路控制通过传输开关电路的电流的大小。