公开(公告)号：US20110096962A1

公开(公告)日：2011-04-28

申请号：US12696017

申请日：2010-01-28

Applicant: Cheng-Hsing Kuo ,  Yen-Hui Wang ,  Tung-Jung Wu

Inventor： Cheng-Hsing Kuo ,  Yen-Hui Wang ,  Tung-Jung Wu

IPC: G06K9/00

CPC classification number: G06K9/0008 ,  G06K9/036

Abstract: A method for identifying a fingerprint image includes inputting a fingerprint image captured by an electronic device, calculating an amount of valid ridge pixels in an amount of total ridge pixels of the fingerprint image to generate a first ratio, calculating an amount of successive ridge pixels in an amount of total ridge pixels of the fingerprint image to generate a second ration when the first ratio is identified within a first predetermined range, and determining the fingerprint image as a valid fingerprint image when the second ratio is identified within a second predetermined range.

Abstract translation: 一种用于识别指纹图像的方法包括输入由电子设备捕获的指纹图像，计算指纹图像的总脊像素量的有效脊像素的量以产生第一比率，计算第一比值的连续脊像素的量 当在第一预定范围内识别出第一比率时，指纹图像的总脊像素的量产生第二比例，以及当在第二预定范围内识别第二比率时，将指纹图像确定为有效指纹图像。

公开(公告)号：US07876085B2

公开(公告)日：2011-01-25

申请号：US12482358

申请日：2009-06-10

Applicant: Chia-Chieh Hung ,  Yen-Hui Wang

Inventor： Chia-Chieh Hung ,  Yen-Hui Wang

IPC: G01R19/00

CPC classification number: G01R19/0084

Abstract: The present invention discloses a quasi-resonant valley voltage detecting method, comprising the steps of: generating a valley detection signal by detecting a valley of a first quasi-resonant signal; generating a count value by counting the valley detection signal; and determining a level transition instance of a gating signal according to the count value, wherein the level transition instance of the gating signal is pulled back by the valley detection signal to trace the valley of the first quasi-resonant signal. The present invention also provides a quasi-resonant valley voltage detecting apparatus.

Abstract translation: 本发明公开了一种准谐振谷值电压检测方法，包括以下步骤：通过检测第一准谐振信号的谷值产生谷值检测信号; 通过对谷值检测信号进行计数来生成计数值; 以及根据所述计数值确定门控信号的电平转换实例，其中门控信号的电平转换实例被谷值检测信号拉回以跟踪第一准谐振信号的谷值。 本发明还提供一种准谐振谷值电压检测装置。

公开(公告)号：US07777530B2

公开(公告)日：2010-08-17

申请号：US12391269

申请日：2009-02-24

Applicant: Yen-Hui Wang ,  Ching-Rong Chang

Inventor： Yen-Hui Wang ,  Ching-Rong Chang

IPC: H03K5/22

CPC classification number: H03K5/08 ,  H03K5/24

Abstract: A comparator module applied to a voltage level clamping circuit which can be implemented in an integrated circuit (IC) is provided. The IC includes a parasitic diode coupled between a first voltage source and a second voltage source. The voltage level clamping circuit includes a switch module and a comparator module. The comparator module has an output terminal, a first input terminal coupled to a first voltage source, and a second input terminal coupled to a second voltage source. The comparator module includes a current source module, a first voltage level adjusting circuit module, a second voltage level adjusting circuit module, and a comparing circuit module.

Abstract translation: 提供了一种应用于可在集成电路（IC）中实现的电压电平钳位电路的比较器模块。 IC包括耦合在第一电压源和第二电压源之间的寄生二极管。 电压钳位电路包括开关模块和比较器模块。 比较器模块具有输出端子，耦合到第一电压源的第一输入端子和耦合到第二电压源的第二输入端子。 比较器模块包括电流源模块，第一电压电平调整电路模块，第二电压电平调整电路模块和比较电路模块。

公开(公告)号：US20100156314A1

公开(公告)日：2010-06-24

申请号：US12318067

申请日：2008-12-22

Applicant: Yen-Hui Wang ,  Chia-Chieh Hung ,  Chi-Hao Wu

Inventor： Yen-Hui Wang ,  Chia-Chieh Hung ,  Chi-Hao Wu

IPC: H05B37/00

CPC classification number: H05B33/0815 ,  Y02B20/346

Abstract: A light source driver circuit includes a voltage input terminal, a light source module, a transformer module, a voltage regulator module, a first switch and a control module. The voltage input terminal receives an input voltage. The light source module includes a plurality of light-emitting units. The transformer module is electrically connected to the light-emitting units. The voltage regulator module connected to the voltage input terminal provides a stable output voltage. The first switch electrically connected to the transformer module and the voltage regulator module receives the stable output voltage to determine whether the first switch is to be turned on or off. The control module is electrically connected to the first switch. The control module and the first switch are controlled so that the light source module the input voltage can be drived by the input voltage.

Abstract translation: 光源驱动电路包括电压输入端子，光源模块，变压器模块，电压调节器模块，第一开关和控制模块。 电压输入端子接收输入电压。 光源模块包括多个发光单元。 变压器模块电连接到发光单元。 连接到电压输入端子的稳压器模块提供稳定的输出电压。 电连接到变压器模块和电压调节器模块的第一开关接收稳定的输出电压以确定第一开关是打开还是关闭。 控制模块电连接到第一开关。 控制模块和第一开关被控制，使得光源模块的输入电压可以被输入电压驱动。

公开(公告)号：US20100123988A1

公开(公告)日：2010-05-20

申请号：US12275175

申请日：2008-11-20

Applicant: Yen-Hui Wang ,  Chi-Hao Wu ,  Chia-Chieh Hung ,  Chin-Yen Lin

Inventor： Yen-Hui Wang ,  Chi-Hao Wu ,  Chia-Chieh Hung ,  Chin-Yen Lin

IPC: H02H3/08

CPC classification number: H02M3/33507 ,  H02M1/32

Abstract: An overcurrent protection device for a power supply device includes a receiving end for receiving a current sensing signal, a compensating current unit coupled to the receiving end for compensating the current sensing signal in order to generate a current sense compensation signal, a first reference voltage generator for generating a first reference voltage, a comparator coupled between the compensating current unit and the first reference voltage generator for comparing the current sense compensation signal with the first reference voltage in order to generate a comparison result, a control unit coupled to the comparator for controlling a power switch of the power supply device according to the comparison result.

Abstract translation: 用于电源装置的过电流保护装置包括用于接收电流感测信号的接收端，耦合到接收端的补偿电流单元，用于补偿电流感测信号以产生电流感测补偿信号，第一参考电压发生器 用于产生第一参考电压的比较器，耦合在所述补偿电流单元和所述第一参考电压发生器之间的比较器，用于将所述电流感测补偿信号与所述第一参考电压进行比较，以便产生比较结果;耦合到所述比较器的控制单元， 电源装置的电源开关根据比较结果。

公开(公告)号：US20100007409A1

公开(公告)日：2010-01-14

申请号：US12172273

申请日：2008-07-14

Applicant: Yen-Hui Wang ,  Chia-Chieh Hung ,  Chin-Yen Lin

Inventor： Yen-Hui Wang ,  Chia-Chieh Hung ,  Chin-Yen Lin

IPC: H03K5/00

CPC classification number: H03K17/0822 ,  H02M1/32 ,  H02M1/44 ,  H02M3/156 ,  H03K5/1252 ,  H03K17/165

Abstract: A method for an adjustable leading edge blanking device in a power supply device includes generating a detection signal according to a leading edge and a trailing edge of a spike signal, generating a blanking signal according to the detection signal, for blanking the spike signal between the leading edge and the trailing edge, and controlling output states of the power supply device according to the blanking signal.

Abstract translation: 一种用于电源装置中的可调节前沿消隐装置的方法，包括根据尖峰信号的前沿和后沿产生检测信号，根据检测信号产生消隐信号，以消除在第 前沿和后沿，并根据消隐信号控制电源设备的输出状态。

公开(公告)号：US20090153195A1

公开(公告)日：2009-06-18

申请号：US12391269

申请日：2009-02-24

Applicant: Yen-Hui Wang ,  Ching-Rong Chang

Inventor： Yen-Hui Wang ,  Ching-Rong Chang

IPC: H03K5/22

CPC classification number: H03K5/08 ,  H03K5/24

Abstract: A comparator module applied to a voltage level clamping circuit which can be implemented in an integrated circuit (IC) is provided. The IC includes a parasitic diode coupled between a first voltage source and a second voltage source. The voltage level clamping circuit includes a switch module and a comparator module. The comparator module has an output terminal, a first input terminal coupled to a first voltage source, and a second input terminal coupled to a second voltage source. The comparator module includes a current source module, a first voltage level adjusting circuit module, a second voltage level adjusting circuit module, and a comparing circuit module.

Abstract translation: 提供了一种应用于可在集成电路（IC）中实现的电压电平钳位电路的比较器模块。 IC包括耦合在第一电压源和第二电压源之间的寄生二极管。 电压钳位电路包括开关模块和比较器模块。 比较器模块具有输出端子，耦合到第一电压源的第一输入端子和耦合到第二电压源的第二输入端子。 比较器模块包括电流源模块，第一电压电平调整电路模块，第二电压电平调整电路模块和比较电路模块。

公开(公告)号：US20090115460A1

公开(公告)日：2009-05-07

申请号：US11934792

申请日：2007-11-05

Applicant: Yen-Hui Wang ,  Ching-Rong Chang

Inventor： Yen-Hui Wang ,  Ching-Rong Chang

IPC: H03K5/22 ,  H03K5/08

CPC classification number: H03K5/08 ,  H03K5/24

Abstract: A voltage level clamping circuit which can be implemented in an integrated circuit (IC) and a high-speed comparator module, wherein the IC includes a parasitic diode coupled between a first voltage source and a second voltage source. The voltage level clamping circuit includes a switch module coupled between the first voltage source and the second voltage source and a comparator module having an output terminal coupled to the switch module, a first input terminal coupled to the first voltage source, and a second input terminal coupled to the second voltage source, for comparing a voltage level of the first voltage source with a voltage level of the second voltage source to generate an output signal, and transmitting the output signal to the switch module to control a conducting state of the switch module to selectively clamp the voltage level of the second voltage source.

Abstract translation: 一种可以在集成电路（IC）和高速比较器模块中实现的电压电平钳位电路，其中IC包括耦合在第一电压源和第二电压源之间的寄生二极管。 电压电平钳位电路包括耦合在第一电压源和第二电压源之间的开关模块和具有耦合到开关模块的输出端子的比较器模块，耦合到第一电压源的第一输入端子和第二输入端子 耦合到所述第二电压源，用于将所述第一电压源的电压电平与所述第二电压源的电压电平进行比较以产生输出信号，以及将所述输出信号发送到所述开关模块以控制所述开关模块的导通状态 以选择性地钳位第二电压源的电压电平。

公开(公告)号：US20080074815A1

公开(公告)日：2008-03-27

申请号：US11551952

申请日：2006-10-23

Applicant: Yen-Hui Wang

Inventor： Yen-Hui Wang

IPC: H02H9/00

CPC classification number: G11C17/18

Abstract: An electrostatic discharge (ESD) protection circuit is provided. The circuit includes at least one fuse cell and a metal oxide semiconductor field effect transistor (MOSFET). Each of the fuse cells includes a fuse and outputs a bit data according to whether the fuse is melted or not. The MOSFET has a first terminal coupled to each of the fuse cells and a second terminal coupled to a voltage source. The MOSFET is for absorbing an ESD pulse so that the ESD pulse won't melt any one of the fuses.

Abstract translation: 提供静电放电（ESD）保护电路。 电路包括至少一个熔丝单元和金属氧化物半导体场效应晶体管（MOSFET）。 每个熔丝单元包括熔丝并根据熔丝是否熔化而输出位数据。 MOSFET具有耦合到每个熔丝单元的第一端子和耦合到电压源的第二端子。 MOSFET用于吸收ESD脉冲，使得ESD脉冲不会熔化任何一个保险丝。

公开(公告)号：US06667608B2

公开(公告)日：2003-12-23

申请号：US10127399

申请日：2002-04-22

Applicant: Yen-Hui Wang

Inventor： Yen-Hui Wang

IPC: G05F316

CPC classification number: G05F3/262

Abstract: A low voltage generating circuit has a first current mirror to provide a first stable current, a second current mirror coupled to the first current mirror and a voltage generating unit connected to the second current mirror. The second current mirror provides a second current that is proportional to the first current in the voltage generating unit. The voltage generating unit utilizes three resistors in a T-shaped configuration, wherein a voltage output is taken from the T-shaped configuration and can output a voltage value less than one volt.

Abstract translation: 低电压发生电路具有第一电流镜以提供第一稳定电流，耦合到第一电流镜的第二电流镜和连接到第二电流镜的电压产生单元。 第二电流镜提供与电压产生单元中的第一电流成比例的第二电流。 电压产生单元利用T形配置中的三个电阻器，其中电压输出取自T形配置并且可以输出小于1伏特的电压值。