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    • 1. 发明授权
    • Touch sensing method and associated circuit
    • 触摸感应方式及相关电路
    • US08674968B2
    • 2014-03-18
    • US12690678
    • 2010-01-20
    • Tsung-Fu LinTso Min ChenYi Cheng HsiehGuo-Kiang Hung
    • Tsung-Fu LinTso Min ChenYi Cheng HsiehGuo-Kiang Hung
    • G06F3/038G09G5/00G06F3/041G02B26/08
    • G09G3/3406G09G2320/0233G09G2320/064
    • A touch sensing method and associated circuit are provided. In one aspect, a touch control circuit includes a first current source, a second current source, a plurality of switches, a hysteresis comparator, a frequency divider and a flip-flop. The switches are couple to a plurality of external contact points. The hysteresis comparator is coupled to a first reference comparison voltage and a second reference comparison voltage. Each of the external contact points is selectively coupled to an input terminal of the hysteresis comparator through the switches. The first current source and the second current source are coupled to the input terminal of the hysteresis comparator to generate a sensing voltage. The hysteresis comparator compares the sensing voltage with the first reference comparison voltage and the second reference comparison voltage to generate a hysteresis comparison output to control the first current source or the second current source.
    • 提供了触摸感测方法和相关电路。 一方面,触摸控制电路包括第一电流源,第二电流源,多个开关,滞后比较器,分频器和触发器。 开关耦合到多个外部接触点。 滞后比较器耦合到第一参考比较电压和第二参考比较电压。 每个外部接触点通过开关选择性地耦合到迟滞比较器的输入端。 第一电流源和第二电流源耦合到迟滞比较器的输入端以产生感测电压。 滞后比较器将感测电压与第一参考比较电压和第二参考比较电压进行比较,以产生滞后比较输出来控制第一电流源或第二电流源。
    • 2. 发明申请
    • TOUCH SENSING METHOD AND ASSOCIATED CIRCUIT
    • 触摸感应方法及相关电路
    • US20100117987A1
    • 2010-05-13
    • US12690678
    • 2010-01-20
    • Tsung-Fu LinTso Min ChenYi Cheng HsiehGuo-Kiang Hung
    • Tsung-Fu LinTso Min ChenYi Cheng HsiehGuo-Kiang Hung
    • G06F3/045
    • G09G3/3406G09G2320/0233G09G2320/064
    • A touch sensing method and associated circuit are provided. In one aspect, a touch control circuit includes a first current source, a second current source, a plurality of switches, a hysteresis comparator, a frequency divider and a flip-flop. The switches are couple to a plurality of external contact points. The hysteresis comparator is coupled to a first reference comparison voltage and a second reference comparison voltage. Each of the external contact points is selectively coupled to an input terminal of the hysteresis comparator through the switches. The first current source and the second current source are coupled to the input terminal of the hysteresis comparator to generate a sensing voltage. The hysteresis comparator compares the sensing voltage with the first reference comparison voltage and the second reference comparison voltage to generate a hysteresis comparison output to control the first current source or the second current source.
    • 提供了触摸感测方法和相关电路。 一方面,触摸控制电路包括第一电流源,第二电流源,多个开关,滞后比较器,分频器和触发器。 开关耦合到多个外部接触点。 滞后比较器耦合到第一参考比较电压和第二参考比较电压。 每个外部接触点通过开关选择性地耦合到迟滞比较器的输入端。 第一电流源和第二电流源耦合到迟滞比较器的输入端以产生感测电压。 滞后比较器将感测电压与第一参考比较电压和第二参考比较电压进行比较,以产生滞后比较输出来控制第一电流源或第二电流源。
    • 4. 发明申请
    • Digitizing Apparatus, Digitizing Method and Capacitance Touch Sensing Apparatus
    • 数字化装置,数字化方法和电容式触摸感应装置
    • US20100253550A1
    • 2010-10-07
    • US12726873
    • 2010-03-18
    • Tsung-Fu LinGuo-Kiang HungYi Cheng Hsieh
    • Tsung-Fu LinGuo-Kiang HungYi Cheng Hsieh
    • H03K17/94H03M3/00
    • G06F3/044
    • A digital apparatus includes a timing control circuit, a period counter, a phase digitizer and a calculation circuit. The timing control circuit generates a first control signal according to a square wave signal and a predetermined value. The period counter generates a first digital value according to a reference clock signal and the first control signal. The phase digitizer generates a second digital value according to a phase difference between the square wave signal and the reference clock signal. The calculation circuit generates an output digital value according to the first digital value and the second digital value. An object of obtaining a high-resolution digitization with a reasonable sampling clock is realized by effectively combining the period counter with the phase digitizer.
    • 数字设备包括定时控制电路,周期计数器,相位数字化仪和计算电路。 定时控制电路根据方波信号和预定值产生第一控制信号。 周期计数器根据参考时钟信号和第一控制信号产生第一数字值。 相位数字转换器根据方波信号和参考时钟信号之间的相位差产生第二数字值。 计算电路根据第一数字值和第二数字值产生输出数字值。 通过有效地将周期计数器与相位数字化仪组合来实现用合理的采样时钟获得高分辨率数字化的目的。
    • 5. 发明授权
    • Digitizing apparatus, digitizing method and capacitance touch sensing apparatus
    • 数字化装置,数字化方法和电容式触摸传感装置
    • US08410958B2
    • 2013-04-02
    • US12726873
    • 2010-03-18
    • Tsung-Fu LinGuo-Kiang HungYi Cheng Hsieh
    • Tsung-Fu LinGuo-Kiang HungYi Cheng Hsieh
    • H03M11/00
    • G06F3/044
    • A digital apparatus includes a timing control circuit, a period counter, a phase digitizer and a calculation circuit. The timing control circuit generates a first control signal according to a square wave signal and a predetermined value. The period counter generates a first digital value according to a reference clock signal and the first control signal. The phase digitizer generates a second digital value according to a phase difference between the square wave signal and the reference clock signal. The calculation circuit generates an output digital value according to the first digital value and the second digital value. An object of obtaining a high-resolution digitization with a reasonable sampling clock is realized by effectively combining the period counter with the phase digitizer.
    • 数字设备包括定时控制电路,周期计数器,相位数字化仪和计算电路。 定时控制电路根据方波信号和预定值产生第一控制信号。 周期计数器根据参考时钟信号和第一控制信号产生第一数字值。 相位数字转换器根据方波信号和参考时钟信号之间的相位差产生第二数字值。 计算电路根据第一数字值和第二数字值产生输出数字值。 通过有效地将周期计数器与相位数字化仪组合来实现用合理的采样时钟获得高分辨率数字化的目的。
    • 9. 发明授权
    • Capacitive touch sensing structure and sensing method thereof
    • 电容式触摸感测结构及其感测方法
    • US08686956B2
    • 2014-04-01
    • US12780668
    • 2010-05-14
    • Hsuan-I PanGuo-Kiang Hung
    • Hsuan-I PanGuo-Kiang Hung
    • G06F3/041
    • G06F3/044
    • A capacitive touch sensing structure includes: a substrate; a plurality of first electrode groups arranged from a first position towards a second position in a first direction, wherein each of the first electrode groups includes a plurality of first electrodes extended from a third position towards a fourth position in a second direction; a plurality of first conducting wires each having a plurality of contacts respectively coupled to the first electrodes of each of the first electrode groups; a plurality of second electrode groups arranged from the first position towards the second position in the first direction, wherein each of the second electrode groups includes a plurality of second electrodes extended from the fourth position towards the third position in the second direction and respectively staggering with the first electrode groups; and a plurality of second conducting wires each having a plurality of contacts respectively coupled to the electrodes of each of the second electrode groups.
    • 电容式触摸感测结构包括:基板; 多个第一电极组,从第一位置朝向第一方向的第二位置布置,其中每个所述第一电极组包括从第三位置朝向第二方向的第四位置延伸的多个第一电极; 多个第一导线,每个具有分别耦合到每个第一电极组的第一电极的多个触点; 多个第二电极组,从第一位置朝向第一方向的第二位置布置,其中每个第二电极组包括多个第二电极,其在第二方向上从第四位置向第三位置延伸,并分别与 第一电极组; 以及多个第二导线,每个具有分别耦合到每个第二电极组的电极的多个触点。
    • 10. 发明申请
    • Capacitive Touch Sensing Structure and Sensing Method Thereof
    • 电容式触摸传感结构及其传感方法
    • US20100289774A1
    • 2010-11-18
    • US12780668
    • 2010-05-14
    • Hsuan-I PanGuo-Kiang Hung
    • Hsuan-I PanGuo-Kiang Hung
    • G06F3/042
    • G06F3/044
    • A capacitive touch sensing structure includes: a substrate; a plurality of first electrode groups arranged from a first position towards a second position in a first direction, wherein each of the first electrode groups includes a plurality of first electrodes extended from a third position towards a fourth position in a second direction; a plurality of first conducting wires each having a plurality of contacts respectively coupled to the first electrodes of each of the first electrode groups; a plurality of second electrode groups arranged from the first position towards the second position in the first direction, wherein each of the second electrode groups includes a plurality of second electrodes extended from the fourth position towards the third position in the second direction and respectively staggering with the first electrode groups; and a plurality of second conducting wires each having a plurality of contacts respectively coupled to the electrodes of each of the second electrode groups.
    • 电容式触摸感测结构包括:基板; 多个第一电极组,从第一位置朝向第一方向的第二位置布置,其中每个所述第一电极组包括从第三位置朝向第二方向的第四位置延伸的多个第一电极; 多个第一导线,每个具有分别耦合到每个第一电极组的第一电极的多个触点; 多个第二电极组,从第一位置朝向第一方向的第二位置布置,其中每个第二电极组包括从第四位置向第二方向向第三位置延伸的多个第二电极,并分别以 第一电极组; 以及多个第二导线,每个具有分别耦合到每个第二电极组的电极的多个触点。