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    • 1. 发明授权
    • Induction heating cooker and control circuit therefor
    • 感应加热锅及其控制电路
    • US09313830B2
    • 2016-04-12
    • US13619428
    • 2012-09-14
    • Pei-Min GongMing-Chun ChouHsiu Ju Yang
    • Pei-Min GongMing-Chun ChouHsiu Ju Yang
    • H05B6/04H05B6/06H05B6/08H05B6/14
    • H05B6/06
    • An induction heating cooker and a control circuit therefor are provided. The cooker includes a switch element and an inductive coil, which is coupled between a power voltage and a first terminal of the switch element. A second terminal of the switch element is coupled to a common voltage. The control circuit includes first and second comparators and a pulse generator. The first comparator receives voltages of two terminals of the inductive coil and thus outputs a trigger signal. The second comparator receives a reference voltage and a voltage of the first terminal of the switch element, and enables a fading signal when the voltage of the first terminal is higher than the reference voltage. When the trigger signal is enabled, the pulse generator outputs a pulse to control the switch element. When the fading signal is enabled, the pulse generator reduces a pulse width of the pulse.
    • 提供一种感应加热烹调器及其控制电路。 该烹调器包括开关元件和感应线圈,其耦合在电源电压和开关元件的第一端子之间。 开关元件的第二端子耦合到公共电压。 控制电路包括第一和第二比较器和脉冲发生器。 第一比较器接收感应线圈的两个端子的电压,从而输出触发信号。 第二比较器接收开关元件的第一端子的参考电压和电压,并且当第一端子的电压高于参考电压时,使能衰减信号。 当触发信号使能时,脉冲发生器输出一个脉冲来控制开关元件。 当衰减信号使能时,脉冲发生器减少脉冲的脉冲宽度。
    • 2. 发明授权
    • Circuit and method for sensing a differential capacitance
    • 用于感测差分电容的电路和方法
    • US08803534B2
    • 2014-08-12
    • US13461483
    • 2012-05-01
    • Chao-Chi YangShih-How Peng
    • Chao-Chi YangShih-How Peng
    • G01R27/26
    • G01R27/2605G01D5/24
    • A circuit for sensing a differential capacitance includes a charge-storing circuit to generate a first output voltage and a second output voltage related to capacitances at two terminals of the differential capacitance, respectively, an operational amplifier to amplify the difference between the first and second output voltages to generate a sensing value, a first sampling capacitor having one terminal connected to the negative input terminal and the other terminal receiving the first or second output voltage, and a second sampling capacitor having one terminal connected to the negative input terminal and the other terminal switched to the output terminal of the operational amplifier. The second sampling capacitor stores a non-ideal error value to offset the non-ideal effect of the operational amplifier imparted on the sensing value.
    • 用于感测差分电容的电路包括电荷存储电路,分别产生第一输出电压和与差动电容的两个端子处的电容相关的第二输出电压;运算放大器,用于放大第一和第二输出之间的差值 用于产生感测值的电压;第一采样电容器,其一端连接到负输入端,另一端接收第一或第二输出电压;第二采样电容,其一端连接到负输入端,另一端 切换到运算放大器的输出端。 第二采样电容器存储非理想误差值以抵消施加在感测值上的运算放大器的非理想效应。
    • 4. 发明授权
    • Method for calibrating coordinates of touch screen
    • 校准触摸屏坐标的方法
    • US07990368B2
    • 2011-08-02
    • US12123677
    • 2008-05-20
    • Chia-Yi LeeWen-Kai Lee
    • Chia-Yi LeeWen-Kai Lee
    • G06F3/041
    • G06F3/0418G06F3/044
    • A method for calibrating coordinates of a touch screen includes the steps of: providing a display panel, which includes display coordinates along a first axis and a first axis display coordinate; providing a capacitive sensor, which includes sensing electrodes disposed along the first axis and respectively corresponding to sensing coordinates, wherein capacitive sensor has a maximum sensing coordinate; detecting digital values corresponding to the sensing electrodes when the capacitive sensor is touched; multiplying the digital values by the sensing coordinates corresponding to the sensing electrodes to obtain a weighting value; dividing the weighting value by the maximum sensing coordinate to obtain an interpolated value; and multiplying the interpolated value by the first axis display coordinate to obtain a calibrated coordinate.
    • 一种用于校准触摸屏的坐标的方法包括以下步骤:提供包括沿着第一轴的显示坐标和第一轴显示坐标的显示面板; 提供电容传感器,其包括沿着所述第一轴设置并分别对应于感测坐标的感测电极,其中电容传感器具有最大感测坐标; 当触摸电容传感器时检测与感测电极对应的数字值; 将数字值乘以与感测电极对应的感测坐标,以获得加权值; 将加权值除以最大感测坐标以获得内插值; 并且将内插值乘以第一轴显示坐标以获得校准坐标。
    • 8. 发明授权
    • Device for programmable frequency divider
    • 可编程分频器的设备
    • US06959066B2
    • 2005-10-25
    • US10392910
    • 2003-03-21
    • Jung-Chih WangChao-Yu Hu
    • Jung-Chih WangChao-Yu Hu
    • H03K23/66H03K21/00
    • H03K23/662
    • The present invention relates to a programmable frequency divider having one n-bit adder and one n-bit D Flip Flop. These are used to transform the import clock to the target clock. The adder takes one adjustment parameter and one return signal as a basis to create the first output signal, with the possibility to program the adjustment parameter. The D Flip Flop and the adder create a cycle, which is used to receive the first output signal and its import clock to create the second output signal. The second output signal is separated into a return signal and the target signal. The D Flip Flop sends the return signal back to the adder, which will make addition calculations under the adjustment parameter, finally giving out the target clock with the target signal as a calculation basis.
    • 本发明涉及具有一个n位加法器和一个n位D触发器的可编程分频器。 这些用于将导入时钟转换为目标时钟。 加法器采用一个调整参数和一个返回信号作为创建第一个输出信号的基础,可编程调整参数。 D触发器和加法器产生一个周期,用于接收第一个输出信号及其导入时钟以产生第二个输出信号。 第二输出信号被分离为返回信号和目标信号。 D触发器将返回信号发送回加法器,这将在调整参数下进行加法运算,最终以目标信号作为计算依据给出目标时钟。
    • 10. 发明授权
    • Code pattern having cross-shaped positioning pattern and image processing device for processing the same
    • 具有十字形定位图案的代码图案和用于处理它的图像处理装置
    • US08985470B2
    • 2015-03-24
    • US12268672
    • 2008-11-11
    • Chen-Hua AoYi-Hsin Tao
    • Chen-Hua AoYi-Hsin Tao
    • G06K7/14G06K19/06
    • G06K19/06037G06K7/1443
    • A code pattern having cross-shaped positioning patterns is disclosed, comprising: a plurality of marks, which at least include a central positioning mark, a first positioning mark, a second positioning mark, a third positioning mark, and a fourth positioning mark; the central and the first to fourth positioning marks are distributed in a region along with other marks. The first to fourth positioning marks are four neighboring marks that are closest to the central positioning mark in distance. In addition, The central and the first to fourth positioning marks are disposed in the shape of a cross within the region, and corresponding to a coordinate obtained by adding together four coordinates from the first to fourth positioning marks then dividing a resulted sum thereof by four, is equivalent to a coordinate corresponding to the central positioning mark.
    • 公开了一种具有十字形定位图案的编码图案,包括:至少包括中心定位标记,第一定位标记,第二定位标记,第三定位标记和第四定位标记的多个标记; 中央和第一至第四定位标记分布在与其他标记一起的区域中。 第一到第四定位标记是距离中心定位标记最近的四个相邻标记。 此外,中央和第一至第四定位标记在该区域内以交叉的形状设置,并且对应于通过将来自第一至第四定位标记的四个坐标相加而获得的坐标,然后将其得到的和除以四 相当于对应于中心定位标记的坐标。