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公开(公告)号：US20180260075A1
公开(公告)日：2018-09-13
申请号：US15979488
申请日：2018-05-15
Applicant: NOVATEK Microelectronics Corp.
Inventor： Chih-Chang Lai , Kuan-Yi Yang , Jer-Hao Hsu
CPC classification number: G06F3/0416 , G06F3/0412 , G06F3/044 , G06F2203/04104
Abstract: A touch control method for sensing one or more touch signals from a touch device having a plurality of sensing areas, each of the sensing areas having a plurality of touch units, the touch control method includes determining a sensitivity of the touch device; and sensing the one or more the touch signals from the touch device, wherein one or more of the plurality of touch units located in the same sensing area are grouped so as to achieve the sensitivity, and for a first sensitivity of the touch device, a first number of touch units are grouped in the same sensing area, and for a second sensitivity of the touch device, a second number of touch units are grouped in the same sensing area, and the second sensitivity is greater than the first sensitivity and the second number is greater than the first number.
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公开(公告)号：US08749284B2
公开(公告)日：2014-06-10
申请号：US13658091
申请日：2012-10-23
Applicant: Novatek Microelectronics Corp.
Inventor： Jer-Hao Hsu
IPC: H03L7/06
CPC classification number: H03L7/0896 , H03L7/0895
Abstract: A phase-locked loop system is provided. The system includes a charge pump, a voltage-controlled oscillator (VCO) and a bias converter. The charge pump outputs a control voltage according to a phase frequency detection signal, and generates an output current according to a bias signal. The VCO generates an output signal according to the control voltage. The bias converter is coupled between the VCO and the charge pump and for generating the bias signal according to the control voltage.
Abstract translation: 提供锁相环系统。 该系统包括电荷泵，压控振荡器（VCO）和偏置转换器。 电荷泵根据相位频率检测信号输出控制电压，并根据偏置信号产生输出电流。 VCO根据控制电压产生输出信号。 偏置转换器耦合在VCO和电荷泵之间，并根据控制电压产生偏置信号。
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公开(公告)号：US20200042138A1
公开(公告)日：2020-02-06
申请号：US16600545
申请日：2019-10-13
Applicant: NOVATEK Microelectronics Corp.
Inventor： Chih-Chang Lai , Kuan-Yi Yang , Jer-Hao Hsu
Abstract: A fingerprint sensing control method for sensing one or more sensing signals from a fingerprint sensing device having a plurality of sensing areas, each of the sensing areas having a plurality of sensing units, the sensing control method includes determining a sensitivity of the fingerprint sensing device; and obtaining the one or more the fingerprint sensing signals from the fingerprint sensing device, wherein one or more of the plurality of sensing units are grouped so as to achieve the sensitivity, and for a first sensitivity of the sensing device, a first number of one or more sensing units are grouped, and for a second sensitivity of the fingerprint sensing device, a second number of one or more sensing units are grouped, and the second sensitivity is greater than the first sensitivity and the second number is greater than the first number.
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4.发明申请公开(公告)号：US20160349898A1
公开(公告)日：2016-12-01
申请号：US14970559
申请日：2015-12-16
Applicant: NOVATEK Microelectronics Corp.
Inventor： Chih-Chang Lai , Kuan-Yi Yang , Jer-Hao Hsu
CPC classification number: G06F3/0416 , G06F3/044
Abstract: A touch control module for sensing one or more touch signals from a touch device having a plurality of sensing areas, wherein each of the sensing areas having a plurality of touch units, includes a plurality of first switches; a plurality of second switches; a plurality of first sensing units, each of the first sensing unit being coupled to one of the touch units through one of the first switches; and a plurality of second sensing units, each of the second sensing units being coupled to the plurality of touch units located in the same sensing area through the plurality of second switches.
Abstract translation: 一种用于感测来自具有多个感测区域的触摸装置的一个或多个触摸信号的触摸控制模块，其中每个具有多个触摸单元的感测区域包括多个第一开关; 多个第二开关; 多个第一感测单元，所述第一感测单元中的每一个通过所述第一开关中的一个耦合到所述触摸单元之一; 以及多个第二感测单元，每个第二感测单元通过多个第二开关耦合到位于相同感测区域中的多个触摸单元。
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5.发明申请公开(公告)号：US20150109160A1
公开(公告)日：2015-04-23
申请号：US14265338
申请日：2014-04-29
Applicant: NOVATEK Microelectronics Corp.
Inventor： Jer-Hao Hsu
IPC: H03M1/14
Abstract: An analog to digital conversion method includes charging a capacitor through an analog signal to sample a voltage of the analog signal; coupling the capacitor and a plurality of reference voltages to a comparator when a voltage of the capacitor is equal to the voltage of the analog signal, to compare the voltage of the capacitor with the reference voltages and generate a first comparison result; coupling the capacitor to a ramp generator when a status of the first comparison result changes, to compare a ramp signal of the ramp generator with a voltage difference of a first reference voltage and the voltage of the capacitor and generate a second comparison result; obtaining a voltage of the ramp signal when a status of the second comparison result changes; and obtaining a digital code of the analog signal according to the first reference voltage and the voltage of the ramp signal.
Abstract translation: 模数转换方法包括通过模拟信号对电容器进行充电以对模拟信号的电压进行采样; 当电容器的电压等于模拟信号的电压时，将电容器和多个参考电压耦合到比较器，以将电容器的电压与参考电压进行比较，并产生第一比较结果; 当第一比较结果的状态改变时，将电容器耦合到斜坡发生器，以将斜坡发生器的斜坡信号与第一参考电压的电压差和电容器的电压进行比较，并产生第二比较结果; 当第二比较结果的状态改变时获得斜坡信号的电压; 并根据第一参考电压和斜坡信号的电压获得模拟信号的数字码。
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Patent Agency Ranking
公开(公告)号：US10852882B2
公开(公告)日：2020-12-01
申请号：US16600545
申请日：2019-10-13
Applicant: NOVATEK Microelectronics Corp.
Inventor： Chih-Chang Lai , Kuan-Yi Yang , Jer-Hao Hsu
Abstract: A fingerprint sensing control method for sensing one or more sensing signals from a fingerprint sensing device having a plurality of sensing areas, each of the sensing areas having a plurality of sensing units, the sensing control method includes determining a sensitivity of the fingerprint sensing device; and obtaining the one or more the fingerprint sensing signals from the fingerprint sensing device, wherein one or more of the plurality of sensing units are grouped so as to achieve the sensitivity, and for a first sensitivity of the sensing device, a first number of one or more sensing units are grouped, and for a second sensitivity of the fingerprint sensing device, a second number of one or more sensing units are grouped, and the second sensitivity is greater than the first sensitivity and the second number is greater than the first number.
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7.发明授权公开(公告)号：US09007252B1
公开(公告)日：2015-04-14
申请号：US14265338
申请日：2014-04-29
Applicant: NOVATEK Microelectronics Corp.
Inventor： Jer-Hao Hsu
Abstract: An analog to digital conversion method includes charging a capacitor through an analog signal to sample a voltage of the analog signal; coupling the capacitor and a plurality of reference voltages to a comparator when a voltage of the capacitor is equal to the voltage of the analog signal, to compare the voltage of the capacitor with the reference voltages and generate a first comparison result; coupling the capacitor to a ramp generator when a status of the first comparison result changes, to compare a ramp signal of the ramp generator with a voltage difference of a first reference voltage and the voltage of the capacitor and generate a second comparison result; obtaining a voltage of the ramp signal when a status of the second comparison result changes; and obtaining a digital code of the analog signal according to the first reference voltage and the voltage of the ramp signal.
Abstract translation: 模数转换方法包括通过模拟信号对电容器进行充电以对模拟信号的电压进行采样; 当电容器的电压等于模拟信号的电压时，将电容器和多个参考电压耦合到比较器，以将电容器的电压与参考电压进行比较，并产生第一比较结果; 当第一比较结果的状态改变时，将电容器耦合到斜坡发生器，以将斜坡发生器的斜坡信号与第一参考电压的电压差和电容器的电压进行比较，并产生第二比较结果; 当第二比较结果的状态改变时获得斜坡信号的电压; 并根据第一参考电压和斜坡信号的电压获得模拟信号的数字码。
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公开(公告)号：US20140097871A1
公开(公告)日：2014-04-10
申请号：US13736967
申请日：2013-01-09
Applicant: NOVATEK MICROELECTRONICS CORP.
Inventor： Jer-Hao Hsu
IPC: G01R19/10
CPC classification number: G01R19/10 , H03K5/2481
Abstract: A latch comparator device includes a differential input amplifier coupled between a first system voltage and a second system voltage and including a first differential output signal terminal and a second differential output signal terminal, a latch coupled to a third system voltage including a first latch signal terminal and a second latch signal terminal, a switch module including a first switch device and a second switch device, wherein the first switch device is coupled between the first differential output signal terminal and the second latch signal terminal and the second switch device is coupled between the second differential output signal terminal and the first latch signal terminal, and a third switch device is coupled between the latch and a fourth system voltage.
Abstract translation: 锁存比较器装置包括耦合在第一系统电压和第二系统电压之间并包括第一差分输出信号端和第二差分输出信号端的差分输入放大器，耦合到第三系统电压的锁存器，包括第一锁存信号端 以及第二锁存信号端子，包括第一开关装置和第二开关装置的开关模块，其中所述第一开关装置耦合在所述第一差分输出信号端子和所述第二锁存信号端子之间，并且所述第二开关装置耦合在所述第一开关装置 第二差分输出信号端子和第一锁存信号端子，以及第三开关器件耦合在锁存器和第四系统电压之间。
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公开(公告)号：US20140042300A1
公开(公告)日：2014-02-13
申请号：US13684253
申请日：2012-11-23
Applicant: NOVATEK MICROELECTRONICS CORP.
Inventor： Jer-Hao Hsu
IPC: H03M1/12 , H01L27/146
CPC classification number: H03M1/124 , H01L27/146 , H03M1/123 , H03M1/56 , H04N5/378
Abstract: An image sensor and a column analog-to-digital converter thereof are provided. The column analog-to-digital converter includes a counter providing a counter result, a ramp signal generator providing a ramp signal and a start signal, a sampling and comparing array, a first latch array, a second latch array, and an arithmetic unit. The sampling and comparing array outputs a plurality of brightness transformation signals according to the ramp signal, the start signal, and initial voltages and brightness voltages of a plurality of photosensitive pixels. The first and the second latch arrays latch the counter result in response to the brightness transformation signals and output a plurality of first brightness latch values during a first period and a plurality of second brightness latch values during a second period. The arithmetic unit calculates the brightness values of the photosensitive pixels according to the first brightness latch values and the second brightness latch values.
Abstract translation: 提供了图像传感器及其列模数转换器。 列模数转换器包括提供计数器结果的计数器，提供斜坡信号和起始信号的斜坡信号发生器，采样和比较阵列，第一锁存器阵列，第二锁存器阵列和运算单元。 采样和比较阵列根据斜坡信号，起始信号和多个光敏像素的初始电压和亮度电压输出多个亮度变换信号。 第一和第二锁存器阵列响应于亮度变换信号锁存计数器结果，并且在第一周期期间输出多个第一亮度锁存值，并且在第二周期期间输出多个第二亮度锁存值。 算术单元根据第一亮度锁存值和第二亮度锁存值来计算光敏像素的亮度值。
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公开(公告)号：US10474288B2
公开(公告)日：2019-11-12
申请号：US15979488
申请日：2018-05-15
Applicant: NOVATEK Microelectronics Corp.
Inventor： Chih-Chang Lai , Kuan-Yi Yang , Jer-Hao Hsu
Abstract: A touch control method for sensing one or more touch signals from a touch device having a plurality of sensing areas, each of the sensing areas having a plurality of touch units, the touch control method includes determining a sensitivity of the touch device; and sensing the one or more the touch signals from the touch device, wherein one or more of the plurality of touch units located in the same sensing area are grouped so as to achieve the sensitivity, and for a first sensitivity of the touch device, a first number of touch units are grouped in the same sensing area, and for a second sensitivity of the touch device, a second number of touch units are grouped in the same sensing area, and the second sensitivity is greater than the first sensitivity and the second number is greater than the first number.
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