公开(公告)号：US08299932B2

公开(公告)日：2012-10-30

申请号：US12537190

申请日：2009-08-06

申请人： Yi-Lin Tang ,  Nan-Jan Huang ,  Ruei-Cheng Liu ,  Wang-Cheng Chen ,  Cheng-Chung Yeh

发明人： Yi-Lin Tang ,  Nan-Jan Huang ,  Ruei-Cheng Liu ,  Wang-Cheng Chen ,  Cheng-Chung Yeh

IPC分类号： G08B21/00 ,  G08B23/00 ,  G08B26/00 ,  G05D23/00

CPC分类号： G08B17/10 ,  G01R31/026

摘要： In a closed-loop monitoring system, a host device is operable to output encoded signals at a coupling side to a single transmission line. Each of monitoring devices includes: a current inducting generating unit generating induced encoded signals when the encoded signals pass through a signal current generating element coupled across an input side coupled to the transmission line; a control unit identifying a monitoring signal from the induced encoded signals generated by the current inducting generating unit; and a detecting unit detecting, in response to the monitoring signal, whether each of electronic devices coupled thereto is activated ox deactivated and transmitting a reply signal associated with states of the electronic devices to the transmission line based on a detection result made thereby. The host device receives the reply signal from each monitoring device through the transmission line and the coupling side to obtain state information associated with the electronic devices.

摘要翻译： 在闭环监控系统中，主机设备可操作以将耦合侧的编码信号输出到单个传输线。 每个监视装置包括：电流感应产生单元，当编码信号通过耦合到耦合到传输线的输入侧耦合的信号电流产生元件时，产生感应编码信号; 控制单元，从由电流感应产生单元产生的感应编码信号识别监视信号; 以及检测单元，响应于监视信号，检测与其耦合的电子设备中的每一个是否被激活，并且基于由此产生的检测结果，将与电子设备的状态相关联的回复信号发送到传输线。 主机通过传输线和耦合侧从每个监控设备接收应答信号，以获得与电子设备相关联的状态信息。

公开(公告)号：US20100321320A1

公开(公告)日：2010-12-23

申请号：US12817521

申请日：2010-06-17

申请人： CHIH-DE HUNG ,  CHENG-CHUNG YEH ,  TING-LONG KUO

发明人： CHIH-DE HUNG ,  CHENG-CHUNG YEH ,  TING-LONG KUO

IPC分类号： G06F3/041

CPC分类号： G06F3/044 ,  G06F3/041 ,  G06F3/045

摘要： The present invention relates to a touch panel with a discharging function, which comprises a scanning bus, a sensing bus, a control unit, and a discharging circuit. The scanning bus is used for scanning a touch frame. The sensing bus interleaves with the scanning bus, and senses at least a touched location on the touch frame. The control unit is coupled to the scanning bus and the sensing bus 20′ for controlling them. The discharging circuit is coupled to the sensing bus or/and the scanning bus, and is controlled by the control unit for releasing the charges at the touched location or/and on the relevant path between the touched location and the buses. Thereby, by using a discharging circuit for releasing charges on the parasitic capacitor, the parasitic capacitance effect is avoided. Hence, the sensing accuracy of the touch panel is increased.

摘要翻译： 本发明涉及具有放电功能的触摸屏，其包括扫描总线，感测总线，控制单元和放电电路。 扫描总线用于扫描触摸框。 感测总线与扫描总线交错，并且至少感测触摸框上的触摸位置。 控制单元耦合到扫描总线和用于控制它们的感测总线20'。 放电电路耦合到感测总线或/和扫描总线，并且由控制单元控制，用于释放在触摸位置处和/或触摸位置与总线之间的相关路径上的电荷。 因此，通过使用用于释放寄生电容器上的电荷的放电电路，避免了寄生电容效应。 因此，触摸面板的感测精度提高。

公开(公告)号：US07821326B2

公开(公告)日：2010-10-26

申请号：US12178000

申请日：2008-07-23

申请人： Cheng-Chung Yeh ,  Han-Chao Chen

发明人： Cheng-Chung Yeh ,  Han-Chao Chen

IPC分类号： G05F1/10 ,  G05F3/02

CPC分类号： H02M3/07 ,  H02M3/073

摘要： The present invention relates to a charge pump, which uses a chopper circuit or a clamp circuit coupled between a pump capacitor and an output capacitor for preventing a parasitic transistor produced by a switching mechanism from turning on. Thereby, the performance of the charge pump is improved effectively.

摘要翻译： 电荷泵技术领域本发明涉及一种电荷泵，其使用连接在泵电容器和输出电容器之间的斩波电路或钳位电路来防止由开关机构产生的寄生晶体管导通。 从而有效地提高了电荷泵的性能。

公开(公告)号：US20090261891A1

公开(公告)日：2009-10-22

申请号：US12178000

申请日：2008-07-23

申请人： Cheng-Chung YEH ,  Han-Chao Chen

发明人： Cheng-Chung YEH ,  Han-Chao Chen

IPC分类号： G05F3/16

CPC分类号： H02M3/07 ,  H02M3/073

摘要： The present invention relates to a charge pump, which uses a chopper circuit or a clamp circuit coupled between a pump capacitor and an output capacitor for preventing a parasitic transistor produced by a switching mechanism from turning on. Thereby, the performance of the charge pump is improved effectively.

摘要翻译： 电荷泵技术领域本发明涉及一种电荷泵，其使用连接在泵电容器和输出电容器之间的斩波电路或钳位电路来防止由开关机构产生的寄生晶体管导通。 从而有效地提高了电荷泵的性能。

公开(公告)号：US20090128228A1

公开(公告)日：2009-05-21

申请号：US12029836

申请日：2008-02-12

申请人： Cheng-Chung Yeh

发明人： Cheng-Chung Yeh

IPC分类号： G05F1/10

CPC分类号： H02M3/07 ,  H02M2003/076

摘要： The present invention relates to a charge pump capable of enhancing power efficiency and output voltage, which comprises a pump capacitor, a switching module, a first switch, a first buffer, a first switch, and an output capacitor. The switching module is coupled to a first terminal of the pump capacitor. The first switch is coupled between a second terminal of the pump capacitor and a supply voltage. The first buffer receives a first input signal and produces a control signal for controlling the first switch to turn on or cut off. The level of the first input signal ranges between a first voltage and a second voltage, wherein the first and the second voltages are related to the gate voltage of the first switch. The gate voltage of the first switch is a multiple, which is greater than one, of the supply voltage. Thereby, the impedance of the switch is reduced, and hence the power efficiency of the charge pump, the output voltage level, and the area efficiency of integrated circuits are improved.

摘要翻译： 本发明涉及能够提高功率效率和输出电压的电荷泵，其包括泵电容器，开关模块，第一开关，第一缓冲器，第一开关和输出电容器。 开关模块耦合到泵电容器的第一端子。 第一开关耦合在泵电容器的第二端和电源电压之间。 第一缓冲器接收第一输入信号并产生用于控制第一开关导通或切断的控制信号。 第一输入信号的电平在第一电压和第二电压之间的范围内，其中第一和第二电压与第一开关的栅极电压相关。 第一开关的栅极电压是电源电压的倍数，大于1。 因此，开关的阻抗减小，因此提高了电荷泵的功率效率，输出电压电平和集成电路的面积效率。

公开(公告)号：US08749539B2

公开(公告)日：2014-06-10

申请号：US12792179

申请日：2010-06-02

申请人： Der-Ju Hung ,  Chun-Sheng Lin ,  Cheng-Chung Yeh

发明人： Der-Ju Hung ,  Chun-Sheng Lin ,  Cheng-Chung Yeh

IPC分类号： G06G5/00

CPC分类号： G09G3/3614 ,  G09G3/3696

摘要： A driver circuit for dot inversion of liquid crystals includes a positive source supplying a first positive signal and a second positive signal; a negative source supplying a first negative signal and a second negative signal; a first selector unit connected with the sources to receive the first positive signal and the first negative signal; a second selector unit connected with the sources to receive the second positive signal and the second negative signal; a first source connected with the selection unit to alternatively output a first positive voltage and a first negative voltage; a second source connected with the selection unit to alternatively output a second positive voltage and a second negative voltage. When the first source outputs the first positive voltage, the second source outputs the second negative voltage. When the first source outputs the first negative voltage, the second source outputs the second positive voltage.

摘要翻译： 用于液晶点反转的驱动电路包括提供第一正信号和第二正信号的正源; 提供第一负信号和第二负信号的负源; 与所述源连接以接收所述第一正信号和所述第一负信号的第一选择器单元; 与所述源连接以接收所述第二正信号和所述第二负信号的第二选择器单元; 与所述选择单元连接以交替地输出第一正电压和第一负电压的第一源; 与所述选择单元连接以交替地输出第二正电压和第二负电压的第二源。 当第一源输出第一正电压时，第二电源输出第二负电压。 当第一电源输出第一负电压时，第二电源输出第二正电压。

公开(公告)号：US20110037743A1

公开(公告)日：2011-02-17

申请号：US12792179

申请日：2010-06-02

申请人： Der-Ju Hung ,  Chun-Sheng Lin ,  Cheng-Chung Yeh

发明人： Der-Ju Hung ,  Chun-Sheng Lin ,  Cheng-Chung Yeh

IPC分类号： G09G3/36 ,  G09G5/00

CPC分类号： G09G3/3614 ,  G09G3/3696

摘要： A driver circuit for dot inversion of liquid crystals includes a positive source supplying a first positive signal and a second positive signal; a negative source supplying a first negative signal and a second negative signal; a first selector unit connected with the sources to receive the first positive signal and the first negative signal; a second selector unit connected with the sources to receive the second positive signal and the second negative signal; a first source connected with the selection unit to alternatively output a first positive voltage and a first negative voltage; a second source connected with the selection unit to alternatively output a second positive voltage and a second negative voltage. When the first source outputs the first positive voltage, the second source outputs the second negative voltage. When the first source outputs the first negative voltage, the second source outputs the second positive voltage.

摘要翻译： 用于液晶点反转的驱动电路包括提供第一正信号和第二正信号的正源; 提供第一负信号和第二负信号的负源; 与所述源连接以接收所述第一正信号和所述第一负信号的第一选择器单元; 与所述源连接以接收所述第二正信号和所述第二负信号的第二选择器单元; 与所述选择单元连接以交替地输出第一正电压和第一负电压的第一源; 与所述选择单元连接以交替地输出第二正电压和第二负电压的第二源。 当第一源输出第一正电压时，第二电源输出第二负电压。 当第一电源输出第一负电压时，第二电源输出第二正电压。

公开(公告)号：US07626446B2

公开(公告)日：2009-12-01

申请号：US12029836

申请日：2008-02-12

申请人： Cheng-Chung Yeh

发明人： Cheng-Chung Yeh

IPC分类号： G05F1/10

CPC分类号： H02M3/07 ,  H02M2003/076

摘要： The present invention relates to a charge pump capable of enhancing power efficiency and output voltage, which comprises a pump capacitor, a switching module, a first switch, a first buffer, a first switch, and an output capacitor. The switching module is coupled to a first terminal of the pump capacitor. The first switch is coupled between a second terminal of the pump capacitor and a supply voltage. The first buffer receives a first input signal and produces a control signal for controlling the first switch to turn on or cut off. The level of the first input signal ranges between a first voltage and a second voltage, wherein the first and the second voltages are related to the gate voltage of the first switch. The gate voltage of the first switch is a multiple, which is greater than one, of the supply voltage. Thereby, the impedance of the switch is reduced, and hence the power efficiency of the charge pump, the output voltage level, and the area efficiency of integrated circuits are improved.

摘要翻译： 本发明涉及能够提高功率效率和输出电压的电荷泵，其包括泵电容器，开关模块，第一开关，第一缓冲器，第一开关和输出电容器。 开关模块耦合到泵电容器的第一端子。 第一开关耦合在泵电容器的第二端和电源电压之间。 第一缓冲器接收第一输入信号并产生用于控制第一开关导通或切断的控制信号。 第一输入信号的电平在第一电压和第二电压之间的范围内，其中第一和第二电压与第一开关的栅极电压相关。 第一开关的栅极电压是电源电压的倍数，大于1。 因此，开关的阻抗减小，因此提高了电荷泵的功率效率，输出电压电平和集成电路的面积效率。

公开(公告)号：US08115724B2

公开(公告)日：2012-02-14

申请号：US12413699

申请日：2009-03-30

申请人： Der-Ju Hung ,  Cheng-Chung Yeh

发明人： Der-Ju Hung ,  Cheng-Chung Yeh

IPC分类号： G09G3/36

CPC分类号： G09G3/3688 ,  G09G2310/027

摘要： The present invention relates to a driving circuit for a display panel, and comprises a switching module, a buffer circuit, and a plurality of resistive devices. The switching module is coupled to a first power supply and a second power supply. The voltage of the first power supply is smaller than that of the second power supply. The buffer circuit is coupled to the switching module, and is used for buffering a data signal and producing a buffer signal. The plurality of resistive devices is connected in series and coupled to the buffer circuit, and produces a plurality of driving signals between the plurality of resistive devices according to the buffer signal. The driving circuit switches between the first power supply and second power supply sequentially to supply power to the buffer circuit. Thereby, one of the plurality of driving signals charges a capacitor of the display panel for saving power of the driving circuit. Accordingly, the power of the display can be saved.

摘要翻译： 本发明涉及一种用于显示面板的驱动电路，包括开关模块，缓冲电路和多个电阻装置。 开关模块耦合到第一电源和第二电源。 第一电源的电压小于第二电源的电压。 缓冲电路耦合到开关模块，用于缓冲数据信号并产生缓冲信号。 多个电阻装置串联连接并耦合到缓冲电路，并根据缓冲信号在多个电阻装置之间产生多个驱动信号。 驱动电路顺序地在第一电源和第二电源之间切换以向缓冲电路供电。 因此，多个驱动信号之一对显示面板的电容器充电以节省驱动电路的功率。 因此，可以节省显示器的功率。

公开(公告)号：US08115723B2

公开(公告)日：2012-02-14

申请号：US12413673

申请日：2009-03-30

申请人： Der-Ju Hung ,  Cheng-Chung Yeh

发明人： Der-Ju Hung ,  Cheng-Chung Yeh

IPC分类号： G09G3/36

CPC分类号： G09G3/3688 ,  G09G2310/0251 ,  G09G2310/027 ,  G09G2330/021

摘要： The present invention relates to a driving circuit for a display panel, which comprises a pre-charge power supply, a pre-charge switch, a buffer circuit, and a plurality of resistive devices. The pre-charge switch is coupled between the pre-charge power supply and a capacitor of the display panel. The buffer circuit is used for buffering a data signal and producing a buffer signal. The plurality of resistive devices is connected in series and coupled to the buffer circuit, and produces a plurality of driving signals therebetween according to the buffer signal. The driving circuit first closes the pre-charge switch to make the pre-charge power supply charge the capacitor. Then, one of the plurality of driving signals charges the capacitor. Thereby, the driving time can be shortened, and power of the display can be saved by avoiding power consumption on resistors.

摘要翻译： 本发明涉及一种用于显示面板的驱动电路，其包括预充电电源，预充电开关，缓冲电路和多个电阻装置。 预充电开关耦合在预充电电源和显示面板的电容器之间。 缓冲电路用于缓冲数据信号并产生缓冲信号。 多个电阻器件串联连接并耦合到缓冲电路，并根据缓冲器信号在其间产生多个驱动信号。 驱动电路首先关闭预充电开关，使预充电电源对电容充电。 然后，多个驱动信号中的一个对电容器充电。 因此，可以缩短驱动时间，并且可以通过避免电阻器的功耗来节省显示器的功率。