公开(公告)号：US08248276B2

公开(公告)日：2012-08-21

申请号：US12817188

申请日：2010-06-17

申请人： Lin-Kun Ding ,  Xiang-Ping Zhou ,  Ren-Wen Huang ,  Li-Sheng Shu ,  Tsung-Jen Chuang

发明人： Lin-Kun Ding ,  Xiang-Ping Zhou ,  Ren-Wen Huang ,  Li-Sheng Shu ,  Tsung-Jen Chuang

IPC分类号： H03K17/94

CPC分类号： G06F3/023 ,  H03M11/20

摘要： A scanning circuit includes n rows L1˜Ln, 2n columns P1-1˜P1-n and P2-1˜P2-n, and the n rows L1˜Ln and the n columns P1-1˜P1-n cooperatively form a switch matrix comprising n*n switches S1-1˜Sn-n, with ends of the switches in the same row electrically connected to one of n I/O ports K1˜Kn, respectively, the ends of the switches in the same column are electrically connected to ground via one resistor R1-1˜R1-n, respectively, each of resistors R2-1˜R2-n is electronically connected in one column of the columns P2-1˜P2-n, and connected between one of the I/O ports K1˜Kn and ground via one of the resistors R1-1˜R1-n, respectively. A keyboard and a scanning method are also provided.

摘要翻译： 扫描电路包括n行L1〜Ln，2n列P1-1〜P1-n和P2-1〜P2-n，n行L1〜Ln和n列P1-1〜P1-n协同地形成开关 矩阵，其包括n * n个开关S1-1〜Sn-n，同一行中的开关的端部分别电连接到n个I / O端口K1〜Kn中的一个，同一列中的开关的端部是电 通过一个电阻器R1-1〜R1-n分别连接到地，每个电阻器R2-1〜R2-n电连接在列P2-1〜P2-n的一列中，并连接在I / O端口K1〜Kn分别通过电阻R1-1〜R1-n之一接地。 还提供了键盘和扫描方法。

公开(公告)号：US20120207330A1

公开(公告)日：2012-08-16

申请号：US13106807

申请日：2011-05-12

申请人： REN-WEN HUANG ,  JUN-WEI ZHANG ,  JUN ZHANG ,  LIN-KUN DING ,  TSUNG-JEN CHUANG

发明人： REN-WEN HUANG ,  JUN-WEI ZHANG ,  JUN ZHANG ,  LIN-KUN DING ,  TSUNG-JEN CHUANG

IPC分类号： H03F99/00

CPC分类号： H04R3/00 ,  H03F3/181 ,  H03F3/72 ,  H03F2200/321 ,  H04R2400/00

摘要： The present disclosure provides an audio signal amplifying circuit for an electronic device including a processing chip and a speaker. The audio signal amplifying circuit includes an amplifying circuit and an inverting circuit connected to the processing chip to get a first control signal and invert the first control signal to generate a second control signal. The first control signal and/or the second control signal are used to control the operation mode of the amplifying circuit to be in an amplifying mode or in a non-amplifying mode.

摘要翻译： 本公开提供了一种用于包括处理芯片和扬声器的电子设备的音频信号放大电路。 音频信号放大电路包括放大电路和反相电路，连接到处理芯片以获得第一控制信号，并且反转第一控制信号以产生第二控制信号。 第一控制信号和/或第二控制信号用于将放大电路的工作模式控制为放大模式或非放大模式。

公开(公告)号：US08239148B2

公开(公告)日：2012-08-07

申请号：US12336506

申请日：2008-12-16

申请人： Shih-Fang Wong ,  Tsung-Jen Chuang ,  Lin-Kun Ding ,  Jiang-Feng Shan

发明人： Shih-Fang Wong ,  Tsung-Jen Chuang ,  Lin-Kun Ding ,  Jiang-Feng Shan

IPC分类号： G01R31/36 ,  G06F11/30

CPC分类号： G01R15/04 ,  G01R19/16542

摘要： A state switching device for switching the states of a device by detecting a battery voltage of the device is provided. The device includes a voltage dividing circuit to provide an output voltage in proportion to the battery voltage, and a detection unit which includes a voltage detection module, a comparison module, a control module and a state detection module to obtain the device's state. The voltage detection module produces a digital detection voltage according to the output voltage at normal time intervals, the comparison module detects whether the digital detection voltage is lower than a reference voltage corresponding to the state. If yes, the voltage detection module obtains digital detection voltage at abnormal time intervals. The comparison module compares a predetermined number of digital detection voltages with the reference voltage to produce comparison results. The control module determines whether to maintain the device's state according to the comparison results.

摘要翻译： 提供一种用于通过检测设备的电池电压来切换设备的状态的状态切换设备。 该装置包括：分压电路，用于提供与电池电压成比例的输出电压;以及检测单元，其包括电压检测模块，比较模块，控制模块和状态检测模块，以获得装置的状态。 电压检测模块以正常时间间隔根据输出电压产生数字检测电压，比较模块检测数字检测电压是否低于对应于该状态的参考电压。 如果是，电压检测模块以异常的时间间隔获得数字检测电压。 比较模块将预定数量的数字检测电压与参考电压进行比较，以产生比较结果。 控制模块根据比较结果确定是否维护设备的状态。

公开(公告)号：US20120170774A1

公开(公告)日：2012-07-05

申请号：US13166778

申请日：2011-06-22

申请人： TSUNG-JEN CHUANG ,  SHIH-FANG WONG ,  JIANG-FENG SHAN ,  LIN-KUN DING

发明人： TSUNG-JEN CHUANG ,  SHIH-FANG WONG ,  JIANG-FENG SHAN ,  LIN-KUN DING

IPC分类号： H03F99/00

CPC分类号： H03F3/187 ,  H03F2203/45136 ,  H03F2203/45528

摘要： An amplifier circuit for amplifying audio signal output by an audio source and outputting the amplified audio signal to a speaker is provided. The amplifier circuit includes a peripheral circuit and an amplifier chip including an amplifier, a first, a second, a third resistor, and a fourth resistor. The peripheral circuit includes a fifth and a sixth resistors. The first resistor is connected between a non-inverting input port and an output port of the amplifier, the second resistor is connected between an inverting input port and the output port of the amplifier, the third resistor is connected between the non-inverting input port and the fifth resistor, the fourth resistor is connected between the inverting port and the sixth resistor, the fifth and the sixth resistors are further respectively connected to an anode output port of the audio source and a cathode output port of the audio source.

摘要翻译： 提供一种用于放大由音频源输出的音频信号并将放大的音频信号输出到扬声器的放大器电路。 放大器电路包括外围电路和包括放大器，第一，第二，第三电阻器和第四电阻器的放大器芯片。 外围电路包括第五和第六电阻器。 第一个电阻连接在放大器的非反相输入端口和输出端口之间，第二个电阻连接在反相输入端口和放大器的输出端口之间，第三个电阻连接在非反相输入端口 和第五电阻器，第四电阻器连接在反相端口和第六电阻器之间，第五和第六电阻器进一步分别连接到音频源的阳极输出端口和音频源的阴极输出端口。

公开(公告)号：US08180033B2

公开(公告)日：2012-05-15

申请号：US12099172

申请日：2008-04-08

申请人： Lin-Kun Ding ,  Shih-Fang Wong ,  Xiang-Ping Zhou ,  Jiang-Feng Shan ,  Gui-Rong Zhou

发明人： Lin-Kun Ding ,  Shih-Fang Wong ,  Xiang-Ping Zhou ,  Jiang-Feng Shan ,  Gui-Rong Zhou

IPC分类号： H04M3/00

CPC分类号： H04M1/66

摘要： A telephone line monitoring device is connected to a telephone line and adjacent to a telephone device using the telephone line. The telephone line monitoring device includes a rectifying circuit for generating a corresponding direct current voltage according to an effective voltage of the telephone line; a first controller for generating a first control signal when the direct current voltage is lower than a predetermined voltage; a second controller for detecting an operating state of the telephone device and generating a second control signal when the telephone device is operated; a load booster for pulling down the effective voltage of the telephone line when enabled; and a first switch circuit for disabling the load booster whenever receiving the second control signal, and enabling the load booster when receiving the first control signal while not receiving the second control signal. A monitoring method and a telephone device are also provided.

摘要翻译： 电话线监视装置使用电话线连接到电话线并且与电话装置相邻。 电话线监视装置包括：整流电路，用于根据电话线的有效电压产生相应的直流电压; 第一控制器，用于当直流电压低于预定电压时产生第一控制信号; 第二控制器，用于在电话设备操作时检测电话设备的操作状态并产生第二控制信号; 用于在启用时拉低电话线的有效电压的负载增强器; 以及第一开关电路，用于在接收到所述第二控制信号时禁用所述负载增强器，以及在接收到所述第一控制信号而不接收所述第二控制信号的情况下使能所述负载增强器。 还提供监视方法和电话装置。

公开(公告)号：US07825611B2

公开(公告)日：2010-11-02

申请号：US11967093

申请日：2007-12-29

申请人： Jiang-Feng Shan ,  Lin-Kun Ding ,  Shih-Fang Wong

发明人： Jiang-Feng Shan ,  Lin-Kun Ding ,  Shih-Fang Wong

IPC分类号： G05F1/00

CPC分类号： H05B37/0218 ,  Y02B20/46

摘要： An illumination adjusting device for receiving power from a power supply and supplying output voltage to a lighting unit is provided herein. The illumination adjusting device includes a detector for detecting ambient illumination intensity and generating an ambient illumination value according to the ambient illumination intensity; a comparator for comparing the ambient illumination value with a predetermined value, the comparator outputting a first power signal when the ambient illumination value is lower than a predetermined value; an adjustor for adjusting the output voltage according to the first power signal, as a result, light emitted by the lighting unit is controlled within a predetermined illumination intensity range. A related illumination adjusting method is also provided.

摘要翻译： 本发明提供了一种用于从电源接收功率并向照明单元提供输出电压的照明调节装置。 照明调节装置包括：检测器，用于检测环境照明强度，并根据环境照明强度产生环境照明值; 用于将环境照明值与预定值进行比较的比较器，当环境照度值低于预定值时，比较器输出第一功率信号; 用于根据第一功率信号调整输出电压的调节器，结果，由照明单元发射的光被控制在预定的照明强度范围内。 还提供了一种相关的照明调节方法。

公开(公告)号：US07825546B2

公开(公告)日：2010-11-02

申请号：US12195382

申请日：2008-08-20

申请人： Zhan-Wu Li ,  Lin-Kun Ding ,  Shih-Fang Wong ,  De-Hua Tong

发明人： Zhan-Wu Li ,  Lin-Kun Ding ,  Shih-Fang Wong ,  De-Hua Tong

IPC分类号： H02H11/00

CPC分类号： H01R13/7038 ,  H01R24/76 ,  H01R2103/00

摘要： An electrical receptacle to prevent injuries deduced by misoperation is provided in the present invention. The electrical receptacle includes a power socket, a direct current (DC) power supply, a detecting switch, a controller, and a relay form a circuit loop for detecting whether a power plug is inserted into the power socket. The detecting switch is placed under the power socket without any electrical connection with the power socket. A live wire is connected to the power socket via a switch of the relay and a neutral wire is connected to the power socket directly. The switch of the relay closes on condition of the relay is electrified by the DC power supply.

摘要翻译： 在本发明中提供了用于防止误操作引起的伤害的电气插座。 电插座包括电源插座，直流（DC）电源，检测开关，控制器和继电器，形成用于检测电源插头是否插入电源插座的电路回路。 检测开关放置在电源插座下方，与电源插座没有任何电气连接。 电线通过继电器的开关连接到电源插座，中性线直接连接到电源插座。 继电器的开关在直流电源通电的情况下关闭。

公开(公告)号：US07806534B2

公开(公告)日：2010-10-05

申请号：US11736005

申请日：2007-04-17

申请人： Shih-Fang Wong ,  Lin-Kun Ding

发明人： Shih-Fang Wong ,  Lin-Kun Ding

IPC分类号： G03B3/00

CPC分类号： G03B21/53 ,  H04N9/3102 ,  H04N9/317 ,  H04N9/3194

摘要： A projector for automatically adjusting images projected onto a screen includes a detecting module for detecting a propagation time for projected ultrasonic waves sent by the projector to be echoed back by the screen and received by the projector, a processing module for calculating a projection distance between the projector and the screen based on the propagation time, and outputting a focal length signal corresponding to the projection distance, an optical module, and an adjusting module for adjusting a local length of the optical module according to the focal length signal. A related method is also provided.

摘要翻译： 一种用于自动调整投影到屏幕上的图像的投影仪，包括：检测模块，用于检测投影仪发送的投影超声波的传播时间，以由投影仪回波并由投影仪接收;处理模块，用于计算投影仪的投影距离 基于传播时间的投影仪和屏幕，并且输出与投影距离相对应的焦距信号，光学模块和调整模块，用于根据焦距信号调整光学模块的局部长度。 还提供了相关的方法。

公开(公告)号：US20080292115A1

公开(公告)日：2008-11-27

申请号：US11875957

申请日：2007-10-22

申请人： LIN-KUN DING ,  XIANG-PING ZHOU ,  SHIH-FANG WONG ,  TSUNG-JEN CHUANG

发明人： LIN-KUN DING ,  XIANG-PING ZHOU ,  SHIH-FANG WONG ,  TSUNG-JEN CHUANG

IPC分类号： H03G7/00

CPC分类号： H04S7/302 ,  H04S2400/13

摘要： An apparatus for adjusting a sound volume includes an ultrasonic transreceiver for transmitting an ultrasonic signal and receiving a reflected ultrasonic signal reflected back from an object, and a volume module for adjusting the sound volume based on a time from transmitting the ultrasonic signal to receiving the reflected ultrasonic signal that has a different frequency from the ultrasonic signal.

摘要翻译： 用于调节音量的装置包括：超声波收发器，用于发送超声波信号并接收从物体反射的反射的超声波信号;以及音量模块，用于基于从发送超声波信号到接收反射的时间来调节音量 超声信号与超声波信号的频率不同。

公开(公告)号：US20080110265A1

公开(公告)日：2008-05-15

申请号：US11736005

申请日：2007-04-17

申请人： SHIH-FANG WONG ,  LIN-KUN DING

发明人： SHIH-FANG WONG ,  LIN-KUN DING

IPC分类号： G01B17/00

CPC分类号： G03B21/53 ,  H04N9/3102 ,  H04N9/317 ,  H04N9/3194

摘要： A projector for automatically adjusting images projected onto a screen comprises a detecting module for detecting the propagation time for the emitted ultrasonic wave sent by the projector to be echoed back by the screen as the reflected ultrasonic wave and received by the projector, a processing module for calculating a distance between the projector and the screen based on the propagation time, and outputting control signals, and an adjusting module for adjusting optical parameters of an optical module according to the control signals.

摘要翻译： 一种用于自动调整投影到屏幕上的图像的投影仪，包括：检测模块，用于检测被投影仪发送的被发射的超声波的传播时间，作为被反射的超声波被投影机接收的屏幕回送;处理模块， 基于传播时间计算投影仪和屏幕之间的距离，并输出控制信号;以及调整模块，用于根据控制信号调整光学模块的光学参数。