Overvoltage and overcurrent protection circuit
    41.
    发明授权
    Overvoltage and overcurrent protection circuit 有权
    过电压和过流保护电路

    公开(公告)号:US08472157B2

    公开(公告)日:2013-06-25

    申请号:US13207431

    申请日:2011-08-11

    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。

    Earphone
    42.
    发明授权
    Earphone 失效
    耳机

    公开(公告)号:US08116511B2

    公开(公告)日:2012-02-14

    申请号:US11829094

    申请日:2007-07-27

    IPC分类号: H04R25/00

    摘要: An earphone with adjustable impedance is provided. The earphone mainly includes an earphone body, a communication line, an earphone plug, an alter switch and an adjustable impedance unit used for adjusting an impedance of the earphone. The adjustable impedance unit is connected between the earphone plug and the earphone body through the alter switch. The impedance of the earphone can be matched on the output impedance of the media player by adjusting the impedance of the adjustable impedance unit when an earphone is connected with a media player.

    摘要翻译: 提供具有可调阻抗的耳机。 耳机主要包括用于调节耳机阻抗的耳机体,通信线,耳机插头,可变开关和可调阻抗单元。 可调阻抗单元通过改变开关连接在耳机插头和耳机主体之间。 当耳机与媒体播放器连接时,通过调节可调阻抗单元的阻抗,可以在媒体播放器的输出阻抗上匹配耳机的阻抗。

    Three-phase alternating current voltage regulator
    43.
    发明授权
    Three-phase alternating current voltage regulator 失效
    三相交流稳压器

    公开(公告)号:US07723973B2

    公开(公告)日:2010-05-25

    申请号:US11748502

    申请日:2007-05-15

    IPC分类号: G05F5/00

    CPC分类号: G05F1/12

    摘要: A three-phase AC voltage regulator is for adjusting a line voltage on transmission lines. The three-phase AC voltage regulator includes a sampling circuit, a reference-voltage circuit, a comparator, a switch, a power supply, and a compensator. The sampling circuit is for sampling the line voltage. The reference-voltage circuit is for receiving a line-to-line voltage from the transmission lines and generating a standard voltage. The comparator is for comparing the line voltage and the standard voltage to obtain a signal. The switch is for being turned on or off based on the signal. The power supply is for supplying various electric powers to the compensator. The compensator is for receiving the electric power and generating compensating voltages. The compensating voltages are used to compensate the line voltage.

    摘要翻译: 三相交流电压调节器用于调整传输线路上的线路电压。 三相交流电压调节器包括采样电路,参考电压电路,比较器,开关,电源和补偿器。 采样电路用于对线路电压进行采样。 参考电压电路用于从传输线接收线对线电压并产生标准电压。 比较器用于比较线路电压和标准电压以获得信号。 该开关用于根据信号开启或关闭。 电源用于向补偿器提供各种电力。 补偿器用于接收电力并产生补偿电压。 补偿电压用于补偿线路电压。

    Testing system and method for testing an electronic device
    44.
    发明授权
    Testing system and method for testing an electronic device 有权
    用于测试电子设备的测试系统和方法

    公开(公告)号:US07609081B2

    公开(公告)日:2009-10-27

    申请号:US12127825

    申请日:2008-05-28

    IPC分类号: G01R31/26

    CPC分类号: G01R31/2834

    摘要: A testing system for measuring an electronic device includes a main controller for generating a control signal, a signal generator for outputting a predetermined test input signal according to the control signal, an instrument unit having a plurality of instruments, and a testing port having a plurality of probes. The plurality of probes connects corresponding testing points of the electronic device to the signal generator and the instruments. The predetermined test input signal is transmitted to the electronic device via the testing port. The instrument unit processes a test result signal outputted by the electronic device and outputs a result data. The main controller receives the result data and computes whether the result data is within a predetermined range. A related testing method is also provided.

    摘要翻译: 用于测量电子设备的测试系统包括:用于产生控制信号的主控制器,用于根据控制信号输出预定测试输入信号的信号发生器,具有多个仪器的仪器单元和具有多个仪器的测试端口 的探针。 多个探头将电子设备的相应测试点连接到信号发生器和仪器。 预定的测试输入信号通过测试端口传送到电子设备。 仪器单元处理由电子设备输出的测试结果信号并输出​​结果数据。 主控制器接收结果数据并计算结果数据是否在预定范围内。 还提供了相关的测试方法。

    MULTIPLE OUTPUT AC/DC POWER ADAPTER
    45.
    发明申请
    MULTIPLE OUTPUT AC/DC POWER ADAPTER 有权
    多路输出AC / DC电源适配器

    公开(公告)号:US20090009153A1

    公开(公告)日:2009-01-08

    申请号:US12134157

    申请日:2008-06-05

    IPC分类号: H02J3/12

    CPC分类号: H02M7/064 Y10T307/658

    摘要: A multiple output AC/DC power adapter is provided. The adapter includes an adapter body with an output connector and more than one output plugs configured for connecting with the output connector. The adapter body includes a DC-DC converting circuit having an input terminal, an output terminal, a first adjustment terminal. The output connector includes a positive terminal, a second adjustment terminal and a negative terminal configured for connecting to the output terminal and the first adjustment terminal of the DC-DC converting circuit and ground correspondingly. The output plugs each includes an adjustment resistor having a resistance value different from the other output plugs. Therefore, when equipped with a plurality of output plugs each of the plurality of plugs having different resistor R0, the adapter can supply different output DC voltages for different electronic device.

    摘要翻译: 提供多路输出AC / DC电源适配器。 适配器包括具有输出连接器的适配器主体和被配置用于与输出连接器连接的多个输出插头。 适配器主体包括具有输入端子,输出端子,第一调整端子的DC-DC转换电路。 输出连接器包括正端子,第二调整端子和负端子,其被配置为连接到DC-DC转换电路的输出端子和第一调节端子并相应地接地。 输出插头各自包括具有与其它输出插头不同的电阻值的调节电阻器。 因此,当配备多个输出插头时,多个插头中的每一个具有不同的电阻器R0,适配器可为不同的电子设备提供不同的输出直流电压。

    ELECTRONIC DEVICE USED FOR DOWNLOADING OR UPLOADING DATA
    46.
    发明申请
    ELECTRONIC DEVICE USED FOR DOWNLOADING OR UPLOADING DATA 审中-公开
    用于下载或上传数据的电子设备

    公开(公告)号:US20070239623A1

    公开(公告)日:2007-10-11

    申请号:US11617694

    申请日:2006-12-28

    IPC分类号: H04L9/00

    CPC分类号: G06Q30/00 G06Q20/085

    摘要: An electronic device allowable a portable apparatus to upload and download data is provided. The electronic device includes an interface, an input unit, a processing unit, a payment management unit, and a transfer management unit. The interface is configured for communicating with an external portable apparatus. The input unit is configured for allowing a user to select data to be downloaded or uploaded. The processing unit is configured for calculating a toll for downloading or uploading the data. The payment management unit is configured for accepting payment according to the toll calculated from the processing unit, and generating a payment received signal to signal the processing unit to generate a data transfer command. The transfer management unit is configured for transmitting the data to the external portable apparatus through the interface according to the data transfer command.

    摘要翻译: 提供允许便携式设备上载和下载数据的电子设备。 电子设备包括接口,输入单元,处理单元,支付管理单元和传送管理单元。 该接口被配置为与外部便携式设备进行通信。 输入单元被配置为允许用户选择要下载或上传的数据。 处理单元被配置为计算用于下载或上载数据的费用。 支付管理单元被配置为根据从处理单元计算的通行费用接收支付,并且生成支付接收信号以通知处理单元以生成数据传送命令。 传输管理单元被配置为根据数据传输命令通过接口将数据发送到外部便携式设备。

    Electronic device and server for processing voice message
    47.
    发明授权
    Electronic device and server for processing voice message 有权
    用于处理语音留言的电子设备和服务器

    公开(公告)号:US08983835B2

    公开(公告)日:2015-03-17

    申请号:US13173177

    申请日:2011-06-30

    CPC分类号: H04W4/12 G10L15/265 H04W4/18

    摘要: An electronic device includes a voice processing unit, a wireless communication unit, and a combining unit. The voice processing unit receives speech signals. The wireless communication unit sends the speech signals to a server. The server converts the speech signals into a text message. The wireless communication unit receives the text message from the server. The combining unit combines the text message and the speech signals into a combined message. The wireless communication unit further sends the combined message to a recipient. A related server is also provided.

    摘要翻译: 电子设备包括语音处理单元,无线通信单元和组合单元。 语音处理单元接收语音信号。 无线通信单元将语音信号发送到服务器。 服务器将语音信号转换为文本消息。 无线通信单元从服务器接收文本消息。 组合单元将文本消息和语音信号组合成组合消息。 无线通信单元还将组合的消息发送到接收者。 还提供了一个相关的服务器。

    Alternating current voltage detection circuit
    48.
    发明授权
    Alternating current voltage detection circuit 有权
    交流电压检测电路

    公开(公告)号:US08829921B2

    公开(公告)日:2014-09-09

    申请号:US13221921

    申请日:2011-08-31

    IPC分类号: G01R27/02 G01R31/02 G01R1/38

    CPC分类号: G01R31/42 G01R19/1659

    摘要: An AC voltage detection circuit includes a conversion module, a comparison module, and a prompt module. The conversion module connects to an AC power source and converts the AC voltage provided by the AC power source to an AC current, and then converts the AC current to a direct current (DC) voltage reflecting the AC voltage. The comparison module is connected to the conversion module, and compares the DC voltage with a first predetermined voltage and a second lesser predetermined voltage, and produces a control signal when the DC voltage is greater than the first predetermined voltage or less than the second predetermined voltage. The prompt module produces a prompt signal when receiving the control signal.

    摘要翻译: AC电压检测电路包括转换模块,比较模块和提示模块。 转换模块连接到AC电源,并将交流电源提供的交流电压转换为交流电流,然后将交流电流转换为反映交流电压的直流(DC)电压。 比较模块连接到转换模块,并将直流电压与第一预定电压和第二较小预定电压进行比较,并且当直流电压大于第一预定电压或小于第二预定电压时产生控制信号 。 当接收到控制信号时,提示模块产生提示信号。

    Power supply circuit for selectively connecting a detecting module to a selected loop circuit to determine a current of the selected loop circuit
    49.
    发明授权
    Power supply circuit for selectively connecting a detecting module to a selected loop circuit to determine a current of the selected loop circuit 有权
    电源电路,用于选择性地将检测模块连接到所选择的环路电路以确定所选择的环路电路的电流

    公开(公告)号:US08799686B2

    公开(公告)日:2014-08-05

    申请号:US13189579

    申请日:2011-07-25

    IPC分类号: G06F1/00 G05F1/00

    CPC分类号: H02M1/00 H02M2001/008

    摘要: A power supply circuit includes a voltage converting module, a detecting module, a processor, and a selecting module. The voltage converting module includes at least one output port, each of which is connected to one load circuit to form a loop circuit. The detecting module can be selectively connected to a selected one of the formed loop circuits to detect at least one parameter of the loop circuit. The processor controls the selecting module to connect the detecting module to the selected loop circuit, and further determines the current of the loop circuit according to the at least one parameter.

    摘要翻译: 电源电路包括电压转换模块,检测模块,处理器和选择模块。 电压转换模块包括至少一个输出端口,每个输出端口连接到一个负载电路以形成环路电路。 检测模块可以选择性地连接到所形成的环路电路中的一个,以检测环路电路的至少一个参数。 处理器控制选择模块将检测模块连接到所选择的环路电路,并根据至少一个参数进一步确定环路电路的电流。

    Resistance-measuring circuit and electronic device using the same
    50.
    发明授权
    Resistance-measuring circuit and electronic device using the same 有权
    电阻测量电路及使用该电路的电子装置

    公开(公告)号:US08786296B2

    公开(公告)日:2014-07-22

    申请号:US13278075

    申请日:2011-10-20

    IPC分类号: G01R27/08

    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出传感器的精确电阻 电压。 还提供了具有电阻测量电路的电子设备。