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公开(公告)号：US20170038868A1
公开(公告)日：2017-02-09
申请号：US15091591
申请日：2016-04-06
Applicant: Sitronix Technology Corp.
Inventor： Hung-Yen Tai , Chun-Kuan Wu , Ching-Jen Tung
Abstract: A touch detection method for a capacitive sensing device is disclosed. The capacitive sensing device is utilized for detecting capacitance variance of a panel, and a variable capacitor includes a first end electrically coupled to the panel. The touch detection method includes simultaneously providing a first clock signal to a second end of the variable capacitor and providing a second clock signal to the panel; determining a touched region of the panel according to a voltage variance of the first end of the variable capacitor; and generating an output signal utilized for indicating the touched region. Notably, the first clock signal and the second clock signal have opposite phases against each other.
Abstract translation: 公开了一种用于电容式感测装置的触摸检测方法。 电容感测装置用于检测面板的电容变化，并且可变电容器包括电耦合到面板的第一端。 所述触摸检测方法包括同时向所述可变电容器的第二端提供第一时钟信号，并向所述面板提供第二时钟信号; 根据可变电容器的第一端的电压变化确定面板的触摸区域; 并产生用于指示所触摸的区域的输出信号。 值得注意的是，第一时钟信号和第二时钟信号具有彼此相反的相位。
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2.发明申请Capacitive Voltage Information Sensing Circuit and Related Anti-Noise Touch Circuit 有权电容式电压信号检测电路及相关抗噪触摸电路公开(公告)号：US20150378511A1
公开(公告)日：2015-12-31
申请号：US14509069
申请日：2014-10-08
Applicant: Sitronix Technology Corp.
Inventor： Chun-Kuan Wu , Ching-Jen Tung , Chen-Yuan Yang , Chun-Yu Lin
CPC classification number: G06F3/0418 , G06F3/044
Abstract: The present disclosure provides a capacitor voltage information sensing circuit. The capacitor voltage information sensing circuit includes a mixer and an analog filter. The mixer includes a first input terminal for receiving a reference signal, a second input terminal for receiving a voltage signal, the voltage signal includes capacitor voltage information and a noise when a touch occurs, a first output terminal for outputting a first differential signal according to the voltage signal and the reference signal, and a second output terminal for outputting a second differential signal according to the voltage signal and the reference signal. The analog filter is coupled to the mixer for generating a first low-frequency signal and a second low-frequency signal according to the first differential signal and second differential signal.
Abstract translation: 本公开提供一种电容器电压信息感测电路。 电容器电压信息感测电路包括混频器和模拟滤波器。 混频器包括用于接收参考信号的第一输入端子，用于接收电压信号的第二输入端子，电压信号包括电容器电压信息和发生触摸时的噪声;第一输出端子，用于根据 电压信号和参考信号，以及第二输出端，用于根据电压信号和参考信号输出第二差分信号。 模拟滤波器耦合到混频器，用于根据第一差分信号和第二差分信号产生第一低频信号和第二低频信号。
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公开(公告)号：US11693515B2
公开(公告)日：2023-07-04
申请号：US15955019
申请日：2018-04-17
Applicant: SITRONIX TECHNOLOGY CORP.
Inventor： Wang-An Lin , Chun-Kuan Wu , Chen-Yuan Yang , Tsung-Han Tsai
IPC: G06F3/041
CPC classification number: G06F3/04184 , G06F3/041
Abstract: The present invention provides a touch module, which comprises a touch panel, an analog front end circuit, and a microcontroller circuit. The touch panel generates a plurality of sensing signals. The analog front end circuit is coupled to the touch panel, generates a state signal, and generates a plurality of touch detecting signals according to the plurality of sensing signals. The microcontroller circuit is coupled to the analog front end circuit, generates one or more touch location signal according to the plurality of touch detecting signals, and enters the next switching state according to the state signal when the switching state is changed.
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公开(公告)号：US20170024071A1
公开(公告)日：2017-01-26
申请号：US15054143
申请日：2016-02-26
Applicant: Sitronix Technology Corp.
Inventor： Hung-Yen Tai , Chun-Kuan Wu , Ching-Jen Tung , Chen-Yuan Yang
CPC classification number: G06F3/0418 , G06F3/044
Abstract: A calibration method for a capacitive sensing device is disclosed. The capacitive sensing device is capable of operating in a self-sensing mode or a mutual-sensing mode. The calibration method includes detecting a capacitance change of a panel in the self-sensing mode to generate a self-sensing output signal, detecting a capacitance change of the panel in the mutual-sensing mode to generate a mutual-sensing output signal, calculating a self-sensing difference between the self-sensing output signal and a self-sensing static parameter, and calibrating the mutual-sensing output signal according to the mutual-sensing output signal and the self-sensing difference.
Abstract translation: 公开了用于电容式感测装置的校准方法。 电容式感测装置能够以自感觉模式或相互感测模式操作。 校准方法包括检测自感模式中面板的电容变化以产生自感输出信号，在互感模式中检测面板的电容变化以产生互感输出信号，计算出 自感应输出信号与自感静态参数之间的自感差异，并根据相互感测输出信号和自感差异校准互感输出信号。
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5.发明授权Analog-to-digital converting circuit with temperature sensing and electronic device thereof 有权具有温度感测的模数转换电路及其电子装置公开(公告)号：US08957797B2
公开(公告)日：2015-02-17
申请号：US13919112
申请日：2013-06-17
Applicant: Sitronix Technology Corp. , National Taiwan University
Inventor： Chan-Hsiang Weng , Chun-Kuan Wu , Tsung-Hsien Lin
Abstract: The present invention relates to an analog-to-digital converting circuit with temperature sensing and the electronic device thereof. The present invention uses a first impedance device to receive a reference voltage and produces an input current according to a temperature. An analog-to-digital converting unit is coupled to the first impedance device and produces a digital output signal according to the input current. Thereby, according to the present invention, by integrating the first impedance device into the analog-to-digital converting circuit, the circuit area and the power consumption can be lowered, which further reduces the cost and improves the accuracy of temperature sensing.
Abstract translation: 本发明涉及具有温度检测的模数转换电路及其电子装置。 本发明使用第一阻抗装置接收参考电压并根据温度产生输入电流。 模数转换单元耦合到第一阻抗器件，并根据输入电流产生数字输出信号。 因此，根据本发明，通过将第一阻抗器件集成到模数转换电路中，可以降低电路面积和功耗，进一步降低成本并提高温度检测的精度。
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Patent Agency Ranking
公开(公告)号：US11099684B2
公开(公告)日：2021-08-24
申请号：US14196309
申请日：2014-03-04
Applicant: SITRONIX TECHNOLOGY CORP.
Inventor： Chun-Kuan Wu , Tsun-Sen Lin
Abstract: The present invention relates to a driving circuit, the touch device thereof, the touch module thereof, and the method for manufacturing the same. The present invention comprises a control circuit, a scan circuit, a touch panel, and a detection circuit. The control circuit generates an input signal. The scan circuit comprises a plurality of signal generating circuits, which receive the input signal, generate a plurality of scan signals according to the input signal, and output the plurality of scan signals to the plurality of scan electrodes of the touch panel. The detection circuit detects the touch panel according to the plurality of scan signals and outputs a detection signal to the control circuit to let the control circuit know at least a touch point of the touch panel being touched.
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公开(公告)号：US09864467B2
公开(公告)日：2018-01-09
申请号：US15054143
申请日：2016-02-26
Applicant: Sitronix Technology Corp.
Inventor： Hung-Yen Tai , Chun-Kuan Wu , Ching-Jen Tung , Chen-Yuan Yang
CPC classification number: G06F3/0418 , G06F3/044
Abstract: A calibration method for a capacitive sensing device is disclosed. The capacitive sensing device is capable of operating in a self-sensing mode or a mutual-sensing mode. The calibration method includes detecting a capacitance change of a panel in the self-sensing mode to generate a self-sensing output signal, detecting a capacitance change of the panel in the mutual-sensing mode to generate a mutual-sensing output signal, calculating a self-sensing difference between the self-sensing output signal and a self-sensing static parameter, and calibrating the mutual-sensing output signal according to the mutual-sensing output signal and the self-sensing difference.
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8.发明申请Frequency Selecting Module and Related Computing Device and Frequency Selecting Method 有权频率选择模块及相关计算设备和频率选择方法公开(公告)号：US20160370941A1
公开(公告)日：2016-12-22
申请号：US14836975
申请日：2015-08-27
Applicant: Sitronix Technology Corp.
Inventor： Chun-Kuan Wu , Chen-Yuan Yang , Ching-Jen Tung , Chun-Yu Lin , Wang-An Lin
IPC: G06F3/041
CPC classification number: G06F3/0418
Abstract: A frequency selecting module for a touch system includes a storage unit, for storing a sum of at least one of a plurality of sensing signals of a plurality sensing channels in the touch system; a spectrum calculating unit, for transforming the sum of the at least one of the plurality of sensing signals stored in the storage unit to generate a spectrum data and storing the spectrum data to the storage unit; and a selecting unit, for generating an adjusting signal according to the spectrum data to select one of a plurality of operation frequencies as a working frequency of the plurality of sensing signals.
Abstract translation: 用于触摸系统的频率选择模块包括：存储单元，用于存储触摸系统中多个感测通道的多个感测信号中的至少一个的和; 频谱计算单元，用于变换存储在存储单元中的多个感测信号中的至少一个的和以产生频谱数据并将频谱数据存储到存储单元; 以及选择单元，用于根据所述频谱数据生成调整信号，以选择多个操作频率中的一个作为所述多个感测信号的工作频率。
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公开(公告)号：US09746962B2
公开(公告)日：2017-08-29
申请号：US14836975
申请日：2015-08-27
Applicant: Sitronix Technology Corp.
Inventor： Chun-Kuan Wu , Chen-Yuan Yang , Ching-Jen Tung , Chun-Yu Lin , Wang-An Lin
CPC classification number: G06F3/0418
Abstract: A frequency selecting module for a touch system includes a storage unit, for storing a sum of at least one of a plurality of sensing signals of a plurality sensing channels in the touch system; a spectrum calculating unit, for transforming the sum of the at least one of the plurality of sensing signals stored in the storage unit to generate a spectrum data and storing the spectrum data to the storage unit; and a selecting unit, for generating an adjusting signal according to the spectrum data to select one of a plurality of operation frequencies as a working frequency of the plurality of sensing signals.
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10.发明授权Capacitive voltage information sensing circuit and related anti-noise touch circuit 有权电容式电压信息感应电路及相关抗噪声触摸电路公开(公告)号：US09524056B2
公开(公告)日：2016-12-20
申请号：US14509069
申请日：2014-10-08
Applicant: Sitronix Technology Corp.
Inventor： Chun-Kuan Wu , Ching-Jen Tung , Chen-Yuan Yang , Chun-Yu Lin
CPC classification number: G06F3/0418 , G06F3/044
Abstract: The present disclosure provides a capacitor voltage information sensing circuit. The capacitor voltage information sensing circuit includes a mixer and an analog filter. The mixer includes a first input terminal for receiving a reference signal, a second input terminal for receiving a voltage signal, the voltage signal includes capacitor voltage information and a noise when a touch occurs, a first output terminal for outputting a first differential signal according to the voltage signal and the reference signal, and a second output terminal for outputting a second differential signal according to the voltage signal and the reference signal. The analog filter is coupled to the mixer for generating a first low-frequency signal and a second low-frequency signal according to the first differential signal and second differential signal.
Abstract translation: 本公开提供一种电容器电压信息感测电路。 电容器电压信息感测电路包括混频器和模拟滤波器。 混频器包括用于接收参考信号的第一输入端子，用于接收电压信号的第二输入端子，电压信号包括电容器电压信息和发生触摸时的噪声;第一输出端子，用于根据 电压信号和参考信号，以及第二输出端，用于根据电压信号和参考信号输出第二差分信号。 模拟滤波器耦合到混频器，用于根据第一差分信号和第二差分信号产生第一低频信号和第二低频信号。
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