公开(公告)号：US08169204B2

公开(公告)日：2012-05-01

申请号：US12329212

申请日：2008-12-05

申请人： Ming-Hong Jian

发明人： Ming-Hong Jian

IPC分类号： G05F1/618 ,  G05F1/573

CPC分类号： G05F1/573

摘要： The present invention mainly relates to a current limiting circuit, also known as over-current protection circuit, and a power regulator using the same. The purpose for the circuit is to protect the power device and the loading circuit for the power regulator. The conventional current limiting circuit takes advantage of a resistor and a MOS to convert the detected over current into a voltage and then turn on a P-typed MOS to clamp the gate voltage of a power transistor so as to achieve the goal of current limiting. However, the process variation for the resistor and said MOS and their temperature variation lead to a significant error to the limiting current. The present invention, therefore, takes advantage of the current comparison to enhance the accuracy for the current limiting circuit.

摘要翻译： 本发明主要涉及限流电路，也称为过电流保护电路，以及使用该电流限制电路的功率调节器。 电路的目的是保护功率器件和电源调节器的负载电路。 传统的限流电路利用电阻和MOS将检测到的过电流转换为电压，然后打开P型MOS以钳位功率晶体管的栅极电压，以达到电流限制的目的。 然而，电阻器和所述MOS的工艺变化及其温度变化导致极限电流的显着误差。 因此，本发明利用电流比较来提高限流电路的精度。

公开(公告)号：US08076919B2

公开(公告)日：2011-12-13

申请号：US12408139

申请日：2009-03-20

申请人： Vincent Liu ,  Yi-Meng Lan ,  Ming-Hung Chien

发明人： Vincent Liu ,  Yi-Meng Lan ,  Ming-Hung Chien

IPC分类号： G05F1/40

CPC分类号： H02M1/4225 ,  Y02B70/126 ,  Y02P80/112

摘要： Disclosed is a Power Factor Correction Controller, which comprises a boost converter, a current sensing unit, an arithmetic unit, and a switch driving unit. The current sensing unit can sense or derive the current that pass through the energy delivery device, which is normally implemented by a diode or a switch. The current sensing unit can also sense the inductor current, or the switch current. With the current sensing unit, the arithmetic unit can calculate the optimum switch on-time or when to turn off the switch, without direct-sensing of the load. The disclosed method reduces the system cost by removing the needs to sense the load condition as in the prior arts. The disclosed method also improves the system response by sensing the delivered current at energy delivery side, rather than the receiver side as in the prior arts.

摘要翻译： 公开了一种功率因数校正控制器，其包括升压转换器，电流检测单元，运算单元和开关驱动单元。 电流感测单元可以感测或导出通过能量传递装置的电流，其通常由二极管或开关实现。 电流检测单元还可以检测电感电流或开关电流。 使用电流检测单元，算术单元可以计算最佳开关导通时间或何时关闭开关，而不需要直接感测负载。 所公开的方法通过消除如现有技术中的感测负载条件的需要来降低系统成本。 所公开的方法还通过在现有技术中感测能量输送侧而不是接收器侧的传送电流来改善系统响应。

公开(公告)号：US08040193B2

公开(公告)日：2011-10-18

申请号：US12218884

申请日：2008-07-18

申请人： Chih-Wei Yang

发明人： Chih-Wei Yang

IPC分类号： H03L7/085 ,  G06F1/04

CPC分类号： H03L7/085

摘要： An oscillation tuning circuit is provided and includes a first circuit. The first circuit receives an input data stream with a known time interval, producing a first output signal having a first period, determines a first error signal representing a difference between the known time interval and a measured duration of the known time interval, determines a reference error signal according to a predetermined multiple of the first period, and adjusts the first period according to the first error signal and the reference error signal, wherein the known time interval is associated with a period between a first occurrence of and a second occurrence of a predetermined bit pattern in the input data stream.

摘要翻译： 提供了振荡调谐电路并且包括第一电路。 第一电路以已知的时间间隔接收输入数据流，产生具有第一周期的第一输出信号，确定表示已知时间间隔与已知时间间隔的测量持续时间之间的差的第一误差信号，确定参考 误差信号，并且根据第一误差信号和参考误差信号调整第一周期，其中，已知时间间隔与第一时间间隔的第一次发生和第二次发生之间的时间段相关联 输入数据流中的预定位模式。

公开(公告)号：US07728750B2

公开(公告)日：2010-06-01

申请号：US12203501

申请日：2008-09-03

申请人： Yuh-Diahn Wang ,  Yan-Kai Huang

发明人： Yuh-Diahn Wang ,  Yan-Kai Huang

IPC分类号： H03M1/80

CPC分类号： G09G3/22 ,  G09G2330/028 ,  H03M1/745

摘要： A display panel driver including a binary-weighted current-type D/A converter and a source follower with current mirror is provided. The binary-weighted current-type D/A converter receives n input signals and sends a D/A output voltage signal based on 2n−1 times a reference current. The source follower with current mirror receives the D/A output voltage signal and sends 2n−1 times the reference current to the output of the source follower with current mirror, so as to output a output voltage and drive the display panel.

摘要翻译： 提供了包括二进制加权电流型D / A转换器和具有电流镜的源极跟随器的显示面板驱动器。 二进制加权电流型D / A转换器接收n个输入信号，并根据参考电流的2n-1次发送D / A输出电压信号。 具有电流镜的源极跟随器接收D / A输出电压信号，并通过电流镜将参考电流的2n-1次发送到源极跟随器的输出，以输出输出电压并驱动显示面板。

公开(公告)号：US07669025B2

公开(公告)日：2010-02-23

申请号：US11757525

申请日：2007-06-04

申请人： Chun-Yao Liao

发明人： Chun-Yao Liao

IPC分类号： G06F12/00

CPC分类号： G06F12/145

摘要： The present invention provides an apparatus for security of accessing data, comprising a storage device including an address transform detector, a first lock bit register and a data comparator, the address transform detector providing a predetermined correction signal, data outputted from the storage device could be correctly identified when a memory address signal matches the predetermined correction signal and a latch signal is provided to the first lock bit register; and a micro-control unit for receiving data outputted from the storage device, the outputted data being stored in a second lock bit register and encoded by a serial encoding unit, a locking signal being feedback to the storage device; wherein a data encoded signal outputted from the first lock bit register and the locking signal are provided to a data comparator for comparison and determining whether output correct data to an encoding control unit according to the comparison.

摘要翻译： 本发明提供了一种用于访问数据的安全性的装置，包括：存储装置，包括地址变换检测器，第一锁定位寄存器和数据比较器，地址变换检测器提供预定的校正信号，从存储装置输出的数据可以是 当存储器地址信号与预定校正信号相匹配并且将锁存信号提供给第一锁定位寄存器时被正确识别; 以及微控制单元，用于接收从存储装置输出的数据，所输出的数据被存储在第二锁定位寄存器中并被串行编码单元编码，锁定信号被反馈到存储装置; 其中从所述第一锁定位寄存器输出的数据编码信号和所述锁定信号被提供给数据比较器，用于根据所述比较来确定是否向编码控制单元输出正确的数据。

公开(公告)号：US20090236995A1

公开(公告)日：2009-09-24

申请号：US12234974

申请日：2008-09-22

申请人： Chen-Kuang Yeh

发明人： Chen-Kuang Yeh

IPC分类号： H05B37/02

CPC分类号： G09G3/06 ,  G09G2330/02

摘要： An AC power feedback control device for a vacuum fluorescent display is provided. In the AC power feedback control device, the Class-D drivers are driven by the PWM controller so as to generate a sine wave voltage. After being filtered by the LPFs, the sine wave voltage is ready for filaments. The output voltage outputted by the filaments is detected by simple feedback elements so as to control and modulate the duty cycle of the PWM controller.

摘要翻译： 提供了一种用于真空荧光显示器的交流电力反馈控制装置。 在交流电源反馈控制装置中，D类驱动器由PWM控制器驱动，以产生正弦波电压。 在被LPF滤波后，正弦波电压准备好灯丝。 通过简单的反馈元件检测由灯丝输出的输出电压，以便控制和调制PWM控制器的占空比。

公开(公告)号：US07532058B2

公开(公告)日：2009-05-12

申请号：US11888137

申请日：2007-07-30

申请人： Yu-Ren Chen ,  Chun-Yao Liao

发明人： Yu-Ren Chen ,  Chun-Yao Liao

IPC分类号： H01H37/76

CPC分类号： G11C17/16 ,  G11C17/18 ,  G11C29/789

摘要： A fuse option circuit including a fuse, a control switch, a latch, and a logical operational controller is provided. The latch stores a selected level. The logical operational controller outputs a selected result signal and feedbacks a control signal to the control switch. The level of the control signal determines whether the control switch is on or off. Therefore, the required level is input to the latch and the working mode having an ultra low current is selected. Furthermore, when the fuse is in an untrimmed state, the level of the selected result signal could be selected by a reset pulse signal of the latch in order to test a product. Afterward, it is determined whether the fuse is trimmed or not. When the fuse is in a trimmed state, the level of the selected result signal is established by a rising edge of the reset pulse signal.

摘要翻译： 提供了包括保险丝，控制开关，锁存器和逻辑运算控制器的保险丝选择电路。 锁存器存储所选的电平。 逻辑运算控制器输出选定的结果信号并将控制信号反馈给控制开关。 控制信号的电平决定控制开关是开或关。 因此，所需的电平被输入到锁存器，并且选择具有超低电流的工作模式。 此外，当保险丝处于未修复状态时，可以通过锁存器的复位脉冲信号来选择所选择的结果信号的电平，以便测试产品。 之后，确定保险丝是否被修剪。 当保险丝处于调整状态时，所选择的结果信号的电平由复位脉冲信号的上升沿建立。

公开(公告)号：US20080162978A1

公开(公告)日：2008-07-03

申请号：US11846720

申请日：2007-08-29

申请人： WEN-CHI HSU ,  SHU-HUA KUO ,  HAN-TSUNG LIN ,  MAO-SHIH LI

发明人： WEN-CHI HSU ,  SHU-HUA KUO ,  HAN-TSUNG LIN ,  MAO-SHIH LI

IPC分类号： G06F9/46 ,  G06F1/04

CPC分类号： G06F11/30

摘要： A microcontroller of the present invention integrates a plurality of independent counters of corresponding operation functions into a pool counting circuit and executes each corresponding operation function based on each of different operation cycles. Therefore, the present invention can increase the circuit pool level and reduce the power consumption and the chip size.

摘要翻译： 本发明的微控制器将多个相应操作功能的独立计数器集成到池计数电路中，并且基于每个不同的操作周期执行每个对应的操作功能。 因此，本发明可以增加电路池的电平并降低功耗和芯片尺寸。

公开(公告)号：US20080061866A1

公开(公告)日：2008-03-13

申请号：US11888137

申请日：2007-07-30

申请人： Yu-Ren Chen ,  Chun-Yao Liao

发明人： Yu-Ren Chen ,  Chun-Yao Liao

IPC分类号： G11C17/16

CPC分类号： G11C17/16 ,  G11C17/18 ,  G11C29/789

摘要： A fuse option circuit including a fuse, a control switch, a latch, and a logical operational controller is provided. The latch stores a selected level. The logical operational controller outputs a selected result signal and feedbacks a control signal to the control switch. The level of the control signal determines whether the control switch is on or off. Therefore, the required level is input to the latch and the working mode having an ultra low current is selected. Furthermore, when the fuse is in an untrimmed state, the level of the selected result signal could be selected by a reset pulse signal of the latch in order to test a product. Afterward, it is determined whether the fuse is trimmed or not. When the fuse is in a trimmed state, the level of the selected result signal is established by a rising edge of the reset pulse signal.

摘要翻译： 提供了包括保险丝，控制开关，锁存器和逻辑运算控制器的保险丝选择电路。 锁存器存储所选的电平。 逻辑运算控制器输出选定的结果信号并将控制信号反馈给控制开关。 控制信号的电平决定控制开关是开或关。 因此，所需的电平被输入到锁存器，并且选择具有超低电流的工作模式。 此外，当保险丝处于未修复状态时，可以通过锁存器的复位脉冲信号来选择所选择的结果信号的电平，以便测试产品。 之后，确定保险丝是否被修剪。 当保险丝处于调整状态时，所选择的结果信号的电平由复位脉冲信号的上升沿建立。

公开(公告)号：US07330802B2

公开(公告)日：2008-02-12

申请号：US11540970

申请日：2006-10-02

申请人： Chi-Ho Hsu

发明人： Chi-Ho Hsu

IPC分类号： G06F19/00

CPC分类号： G01R31/3191 ,  G01R31/3004

摘要： A method for calibrating a parameter of an IC, using an external device so as to calibrate an analog control parameter of an internal analog circuit in the IC. The external device is used in a detecting mode so as to detect whether the analog control parameter is beyond a pre-determined range. If the analog control parameter is beyond the pre-determined range, the external device is used in a calibrating mode so as to obtain a calibrated value and the calibrated value is then written into the internal analog circuit in the IC. The external device is used for detection and calibration repeatedly until the analog control parameter is within the pre-determined range. When the analog control parameter is within the pre-determined range, the calibrated value is written into a non-volatile memory in the IC.

摘要翻译： 一种用于使用外部设备校准IC的参数以便校准IC中的内部模拟电路的模拟控制参数的方法。 外部设备用于检测模式，以便检测模拟控制参数是否超出预定范围。 如果模拟控制参数超出预定范围，外部设备将在校准模式下使用，以获得校准值，然后将校准后的值写入IC内部模拟电路。 外部设备用于重复检测和校准，直到模拟控制参数在预定范围内。 当模拟控制参数在预定范围内时，校准值被写入IC中的非易失性存储器。