公开(公告)号：US20080042631A1

公开(公告)日：2008-02-21

申请号：US11840228

申请日：2007-08-17

申请人： SHIH-FANG WONG ,  TAI-CHUN LI ,  JUN LI ,  JUN ZHANG

发明人： SHIH-FANG WONG ,  TAI-CHUN LI ,  JUN LI ,  JUN ZHANG

IPC分类号： G05F1/44

CPC分类号： H02M7/1555 ,  H02M3/33569 ,  H02M2001/0032 ,  H02M2001/007 ,  Y02B70/16

摘要： A switching power supply includes an amplitude control circuit (30) connected between an alternating current (AC) source (10) and a traditional switching power supply (20). The amplitude control circuit includes a power switch (31) and a pulse generator (32). The power switch is connected between the AC source and the traditional switching power supply and is configured for conducting power to the traditional switching power supply when enabled, and the pulse generator is configured for generating rectangular pulses to enable and disable the power switch in an alternating manner.

摘要翻译： 开关电源包括连接在交流电源（10）和传统开关电源（20）之间的振幅控制电路（30）。 幅度控制电路包括电源开关（31）和脉冲发生器（32）。 电源开关连接在交流电源和传统的开关电源之间，并配置为在使能时对传统开关电源供电，脉冲发生器被配置为产生矩形脉冲以使能和禁用交流电源开关 方式。

公开(公告)号：US20130026939A1

公开(公告)日：2013-01-31

申请号：US13278070

申请日：2011-10-20

申请人： JUN-WEI ZHANG ,  JUN ZHANG ,  TSUNG-JEN CHUANG ,  SHIH-FANG WONG ,  QI-LONG YU ,  CHIA-HUNG CHIEN

发明人： JUN-WEI ZHANG ,  JUN ZHANG ,  TSUNG-JEN CHUANG ,  SHIH-FANG WONG ,  QI-LONG YU ,  CHIA-HUNG CHIEN

IPC分类号： H05B37/02 ,  H03K7/08

CPC分类号： H05B33/0818 ,  Y02B20/346

摘要： An illumination apparatus includes a power supply, a pulse width modulation (PWM) circuit, a switching unit, and an illuminating unit. The power supply supplies a supply voltage to the PWM circuit and the illuminating unit. The PWM circuit outputs a first level voltage by being fully charged by the voltage of the power supply and outputs a second level voltage by being fully discharged. The switching unit is turned off according to the first level voltage and controls the illuminating unit to stop emitting light. The switching unit is turned on according to the second level voltage and controls the illuminating unit to emit light.

摘要翻译： 照明装置包括电源，脉宽调制（PWM）电路，开关单元和照明单元。 电源为PWM电路和照明单元提供电源电压。 PWM电路通过由电源的电压完全充电而输出第一电平电压，并通过完全放电输出第二电平电压。 切换单元根据第一电平电压关闭，并控制照明单元停止发光。 开关单元根据第二电平电压导通，并控制照明单元发光。

公开(公告)号：US20130021701A1

公开(公告)日：2013-01-24

申请号：US13207431

申请日：2011-08-11

申请人： JI-XIANG YIN ,  YANG XIN ,  YIN-ZHAN WANG ,  JUN ZHANG ,  TSUNG-JEN CHUANG ,  SHIH-FANG WONG

发明人： JI-XIANG YIN ,  YANG XIN ,  YIN-ZHAN WANG ,  JUN ZHANG ,  TSUNG-JEN CHUANG ,  SHIH-FANG WONG

IPC分类号： H02H3/00

CPC分类号： H02H3/08 ,  H02H3/20

摘要： An overvoltage and overcurrent protection circuit includes a connection jack, an overvoltage protection switch connected to the connection jack, an overcurrent protection switch, a voltage reference module, an overvoltage and overcurrent detection module, a comparing module, and a current control module. The overcurrent protection switch is connected to the overvoltage protection switch in serials, and further connected to a load. The voltage reference module is to output a reference voltage. The overvoltage and overcurrent detection module is to detect the voltage of the load and the current of the path. The comparing module is to compare the voltage of the load with the reference voltage, when greater, turns off the overvoltage protection switch, when not greater, turns on the overvoltage protection switch. The current control module is to turn off the overcurrent protection switch if greater than the preset value, and turn on the overcurrent protection switch if not greater.

摘要翻译： 过电压和过流保护电路包括连接插座，连接插座的过电压保护开关，过流保护开关，电压参考模块，过电压和过电流检测模块，比较模块和电流控制模块。 过流保护开关连接到过压保护开关，并连接到负载。 电压基准模块输出参考电压。 过电压和过流检测模块用于检测负载电压和路径电流。 比较模块是将负载电压与参考电压进行比较，当较大时，关断过电压保护开关，当不大时，接通过电压保护开关。 当前的控制模块是关闭过流保护开关，如果大于预设值，并且如果不是更大的话，打开过流保护开关。

公开(公告)号：US20130021001A1

公开(公告)日：2013-01-24

申请号：US13220635

申请日：2011-08-29

申请人： JUN-WEI ZHANG ,  SHIH-FANG WONG ,  TSUNG-JEN CHUANG ,  JUN ZHANG ,  CHIA-HUNG CHIEN ,  CHUNG-JEN WANG

发明人： JUN-WEI ZHANG ,  SHIH-FANG WONG ,  TSUNG-JEN CHUANG ,  JUN ZHANG ,  CHIA-HUNG CHIEN ,  CHUNG-JEN WANG

IPC分类号： H02J7/00

CPC分类号： H02J7/0057

摘要： A storage battery charge circuit for charging a battery is provided. The circuit includes a voltage input port, a converting circuit, and a charge circuit. The voltage input port is for being connected to a power source to receive a logic high level voltage. The converting circuit is connected to the voltage input port to convert the received logic high level voltage into a control signal including a logic high level voltage and a logic low level voltage alternately and the mark space ratio is not equal to one. The charge circuit is connected to the converting circuit to charge the battery or discharge the battery according to the control signal.

摘要翻译： 提供一种用于对电池充电的蓄电池充电电路。 电路包括电压输入端口，转换电路和充电电路。 电压输入端口用于连接到电源以接收逻辑高电平电压。 转换电路连接到电压输入端口，以将接收到的逻辑高电平电压交替地转换为包括逻辑高电平电压和逻辑低电平电压的控制信号，并且标记空间比不等于1。 充电电路连接到转换电路以对电池充电或根据控制信号对电池进行放电。

公开(公告)号：US20120253734A1

公开(公告)日：2012-10-04

申请号：US13275326

申请日：2011-10-18

申请人： CHENG-ZHI LI ,  JUN ZHANG ,  JUN-WEI ZHANG ,  TSUNG-JEN CHUANG ,  SHIH-FANG WONG

发明人： CHENG-ZHI LI ,  JUN ZHANG ,  JUN-WEI ZHANG ,  TSUNG-JEN CHUANG ,  SHIH-FANG WONG

IPC分类号： G06M11/04 ,  G06F19/00

CPC分类号： G01N9/24 ,  G01N9/36 ,  G01N23/00

摘要： An assay device capable of assaying purity of a substance in an object includes a memory, an emitter, a receiver, a processing unit, and a display device. The memory stores names and standard densities of a number of substances. The emitter emits rays at the object. The receiver receives the rays reflected by the object. The processing unit calculates density of the object according to intensity of the emitted rays and intensity of the reflected rays. The processing unit further calculates purity of a selected substance in the object according to the density of the object and standard density of the selected substance stored in the memory, and outputs the calculated purity to the display device.

摘要翻译： 能够测定物体中的物质的纯度的测定装置包括存储器，发射器，接收器，处理单元和显示装置。 记忆体存储许多物质的名称和标准密度。 发射器在物体处发射光线。 接收器接收由物体反射的光线。 处理单元根据发射光线的强度和反射光线的强度来计算物体的密度。 处理单元还根据物体的密度和存储在存储器中的所选物质的标准密度进一步计算物体中所选物质的纯度，并将计算的纯度输出到显示装置。

公开(公告)号：US20120217984A1

公开(公告)日：2012-08-30

申请号：US13278075

申请日：2011-10-20

申请人： QI-LONG YU ,  TSUNG-JEN CHUANG ,  JUN ZHANG ,  JUN-WEI ZHANG ,  SHIH-FANG WONG ,  JIAN-JUN ZHOU

发明人： QI-LONG YU ,  TSUNG-JEN CHUANG ,  JUN ZHANG ,  JUN-WEI ZHANG ,  SHIH-FANG WONG ,  JIAN-JUN ZHOU

IPC分类号： G01R27/02

CPC分类号： G01R27/14 ,  G01D5/246

摘要： A resistance-measuring circuit includes a controller for outputting a PWM signal and further for adjusting the duty cycle of the PWM signal, and a sampling circuit for processing the PWM signal and transmitting the processed PWM signal to the sensor. The sampling circuit samples the signal outputted from the sensor to generate a sampled signal with the voltage thereof changing according to any change in the duty cycle of the PWM signal, and further transmits the sampled signal to the controller. The controller obtains the real-time duty cycle of the PWM signal when the voltage of the sampled signal reaches a threshold voltage, and further calculates the exact resistance of the sensor according to the obtained real-time duty cycle of the PWM signal and the threshold voltage. An electronic device with the resistance-measuring circuit is also provided.

摘要翻译： 电阻测量电路包括用于输出PWM信号并进一步用于调整PWM信号的占空比的控制器，以及用于处理PWM信号并将处理过的PWM信号传输到传感器的采样电路。 采样电路对从传感器输出的信号进行采样，根据PWM信号的占空比的任何变化，产生采样信号，其电压变化，并将采样信号发送到控制器。 当采样信号的电压达到阈值电压时，控制器获得PWM信号的实时占空比，并根据获得的PWM信号的实时占空比和阈值计算传感器的精确电阻 电压。 还提供了具有电阻测量电路的电子设备。

公开(公告)号：US20130223700A1

公开(公告)日：2013-08-29

申请号：US13452559

申请日：2012-04-20

申请人： REN-WEN HUANG ,  QIANG YOU ,  JUN-WEI ZHANG ,  JUN ZHANG ,  TSUNG-JEN CHUANG ,  SHIH-FANG WONG

发明人： REN-WEN HUANG ,  QIANG YOU ,  JUN-WEI ZHANG ,  JUN ZHANG ,  TSUNG-JEN CHUANG ,  SHIH-FANG WONG

IPC分类号： G06K9/62

CPC分类号： G06F21/32 ,  G06K9/0002

摘要： A method protects personal data of an electronic device. Different capacitance values between a plurality of points of a fingertip and an electrode layer of a capacitive touch screen of the electronic device are detectable when the capacitive touch screen is touched by the fingertip, and a representation of a fingerprint is acquired according to distribution of the detected capacitance values. If the acquired fingerprint does not match with any predetermined fingerprint, predetermined personal data of the electronic device is protected. If the acquired fingerprint matches with at least one of the predetermined fingerprints, the protection of the personal data is released.

摘要翻译： 一种方法保护电子设备的个人数据。 当电容式触摸屏被指尖触摸时，电子设备的电容式触摸屏的指尖的多个点和电极层的电极层之间的不同的电容值可以被检测到，并且指纹的表示根据 检测电容值。 如果获取的指纹与任何预定的指纹不匹配，则电子设备的预定个人数据被保护。 如果获取的指纹与预定指纹中的至少一个相匹配，则释放个人数据的保护。

公开(公告)号：US20130018601A1

公开(公告)日：2013-01-17

申请号：US13304373

申请日：2011-11-24

申请人： JUN-WEI ZHANG ,  TSUNG-JEN CHUANG ,  SHIH-FANG WONG ,  JUN ZHANG ,  QI-LONG YU ,  YANG XIN

发明人： JUN-WEI ZHANG ,  TSUNG-JEN CHUANG ,  SHIH-FANG WONG ,  JUN ZHANG ,  QI-LONG YU ,  YANG XIN

IPC分类号： G06F19/00 ,  G01L1/00

CPC分类号： G06F3/0416 ,  G06F3/042

摘要： A sensing circuit includes a plurality of sensors, a controller, a multiway switch, a linear optocoupler, and a logical control unit. The plurality of sensors are capable of measuring physical quantity, and each of the plurality of sensors is capable of generating a sensing signal in accordance with the physical quantity. The controller is capable of receiving and analyzing the sensing signals, and transforming the sensing signals into sensing events. The multiway switch is capable of selectively connecting one of the plurality of sensors to the controller. The linear optocoupler is connected between the plurality of sensors and the controller. The logical control unit is capable of controlling the multiway switch to selectively connect one of the plurality of sensors to the optocoupler, and generating a control signal to the controller, wherein the control signal indicating the one of the plurality of sensors connected to the controller.

摘要翻译： 感测电路包括多个传感器，控制器，多路开关，线性光耦合器和逻辑控制单元。 多个传感器能够测量物理量，并且多个传感器中的每一个能够根据物理量产生感测信号。 控制器能够接收和分析感测信号，并将感测信号转换成感测事件。 多路开关能够将多个传感器中的一个选择性地连接到控制器。 线性光耦合器连接在多个传感器和控制器之间。 逻辑控制单元能够控制多路开关以选择性地将多个传感器中的一个连接到光耦合器，并且向控制器产生控制信号，其中指示连接到控制器的多个传感器中的一个传感器的控制信号。

公开(公告)号：US20120250891A1

公开(公告)日：2012-10-04

申请号：US13241278

申请日：2011-09-23

申请人： JUN-WEI ZHANG ,  JUN ZHANG ,  TSUNG-JEN CHUANG ,  SHIH-FANG WONG

发明人： JUN-WEI ZHANG ,  JUN ZHANG ,  TSUNG-JEN CHUANG ,  SHIH-FANG WONG

IPC分类号： H03G3/00

CPC分类号： H04R1/1091 ,  H04R3/00

摘要： An exemplary personal listening device includes thermo-sensitive elements in its transducers. Each thermo-sensitive element senses temperature change of a corresponding transducer and changes a current flowing through the transducer according to temperature change of the transducer, to reflect the amount of time for which the personal listening device has been working.

摘要翻译： 示例性的个人聆听装置包括其换能器中的热敏元件。 每个热敏元件感测相应的换能器的温度变化，并根据换能器的温度变化改变流过换能器的电流，以反映个人聆听装置工作的时间量。

公开(公告)号：US20120194959A1

公开(公告)日：2012-08-02

申请号：US13053222

申请日：2011-03-22

申请人： JUN-WEI ZHANG ,  JUN ZHANG ,  TSUNG-JEN CHUANG ,  SHIH-FANG WONG

发明人： JUN-WEI ZHANG ,  JUN ZHANG ,  TSUNG-JEN CHUANG ,  SHIH-FANG WONG

IPC分类号： H02H3/22

CPC分类号： H02H9/046 ,  H02H9/025

摘要： An electronic device includes a power input pin receiving a voltage from an external power supply, a load, and a surge suppression unit connected between the power input pin and the load. The surge suppression unit includes a first transistor, a voltage divider circuit and a capacitor. The first transistor includes a control end, a first conducting end connected to the power input pin, and a second conducting end connected to the load. The voltage divider circuit includes a common node connected to the control end, one end of the voltage divider circuit connected between the first conducting end and the power input pin, and the other end of the voltage divider circuit connected to ground. One end of the capacitor is connected between the second conducting end and the load, and the other end of the capacitor is connected to the control end.

摘要翻译： 电子设备包括接收来自外部电源的电压的电源输入引脚，负载以及连接在电源输入引脚和负载之间的浪涌抑制单元。 浪涌抑制单元包括第一晶体管，分压器电路和电容器。 第一晶体管包括控制端，连接到电源输入引脚的第一导电端和连接到负载的第二导电端。 分压器电路包括连接到控制端的公共节点，分压器电路的一端连接在第一导通端和电源输入引脚之间，分压器电路的另一端连接到地。 电容器的一端连接在第二导通端和负载之间，电容器的另一端连接到控制端。