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公开(公告)号：US09755658B2
公开(公告)日：2017-09-05
申请号：US15275836
申请日：2016-09-26
Applicant: STMICROELECTRONICS S.R.L.
Inventor： Matteo Quartiroli , Salvatore Poli , Roberto Faravelli , Giovanni Carlo Tripoli
CPC classification number: H03M1/124 , H03M1/002 , H03M1/1225 , H03M1/1285 , H03M1/144 , H03M1/38 , H03M1/46
Abstract: One or more first signals and one or more second signals, wherein the second signal(s) are slowly varying or low frequency signals in comparison with the first signals and are converted from analog to digital by sampling the first signals and the second signals to produce samples thereof for analog-to-digital conversion, subjecting the samples of the first signals to conversion to digital at a certain conversion rate, subjecting the samples of the second signal to conversion to digital by segments so that these segments are subjected to conversion to digital along with the samples of the first signals at the respective conversion rate, and reconstructing digital converted samples of the second signal from the segments subjected to conversion to digital.
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2.发明授权Method and device for analog-to-digital conversion of signals, corresponding apparatus 有权用于信号的模数转换的方法和装置，相应的装置公开(公告)号：US09455732B2
公开(公告)日：2016-09-27
申请号：US14863194
申请日：2015-09-23
Applicant: STMICROELECTRONICS S.r.l.
Inventor： Matteo Quartiroli , Salvatore Poli , Roberto Faravelli , Giovanni Carlo Tripoli
CPC classification number: H03M1/124 , H03M1/002 , H03M1/1225 , H03M1/1285 , H03M1/144 , H03M1/38 , H03M1/46
Abstract: One or more first signals and one or more second signals, wherein the second signal(s) are slowly varying or low frequency signals in comparison with the first signals and are converted from analog to digital by sampling the first signals and the second signals to produce samples thereof for analog-to-digital conversion, subjecting the samples of the first signals to conversion to digital at a certain conversion rate, subjecting the samples of the second signal to conversion to digital by segments so that these segments are subjected to conversion to digital along with the samples of the first signals at the respective conversion rate, and reconstructing digital converted samples of the second signal from the segments subjected to conversion to digital.
Abstract translation: 一个或多个第一信号和一个或多个第二信号，其中与第一信号相比，第二信号是缓慢变化的或低频信号，并且通过对第一信号和第二信号进行采样而从模拟转换成数字，以产生 用于模数转换的样本，使第一信号的采样以一定的转换速率转换为数字，使第二信号的样本通过段转换为数字，使得这些段被转换为数字 以及以相应的转换速率的第一信号的样本，以及将经过转换成数字的段的第二信号的数字转换样本重建。
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公开(公告)号：US09970958B2
公开(公告)日：2018-05-15
申请号：US14672575
申请日：2015-03-30
Applicant: STMICROELECTRONICS S.R.L.
Inventor： Marco Castellano , Pierluigi Montinari , Salvatore Poli , Alessandro Tocchio , Giovanni Carlo Tripoli
IPC: G01P21/00 , G01C25/00 , G01P15/125
CPC classification number: G01P21/00 , G01C25/00 , G01P15/125
Abstract: A method for compensating non-linearities of a read signal generated by a variable-capacitance inertial sensor including a first fixed electrode and a second fixed electrode and a mobile electrode, which is spatially arranged between the first and second fixed electrodes and is capacitively coupled to the first and second fixed electrodes, said method comprising the steps of: acquiring the read signal; identifying a first linear component and at least one first nonlinear component of the read signal; a generating a compensated output signal by subtracting the first nonlinear component from the read signal.
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4.发明授权Configurable analog front-end for mutual capacitance sensing and self capacitance sensing 有权可配置的模拟前端，用于互电容感测和自电容感测公开(公告)号：US09523725B2
公开(公告)日：2016-12-20
申请号：US14322244
申请日：2014-07-02
Inventor： Kien Beng Tan , Ernesto Lasalandra , Tommaso Ungaretti , Yannick Guedon , Dianbo Guo , Paolo Angelini , Giovanni Carlo Tripoli
CPC classification number: G01R27/2605 , G06F3/0416 , G06F3/044 , G06F2203/04104
Abstract: Capacitance sensing circuits and methods are provided. A dual mode capacitance sensing circuit includes a capacitance-to-voltage converter having an amplifier and an integration capacitance coupled between an output and an inverting input of the amplifier, and a switching circuit responsive to mutual mode control signals for a controlling signal supplied from a capacitive touch matrix to the capacitive to voltage converter in a mutual capacitance sensing mode and responsive to self mode control signals for controlling signals supplied from the capacitive touch matrix to the capacitance-to-voltage converter in a self capacitance sensing mode, wherein the capacitance sensing circuit is configurable for operation in the mutual capacitance sensing mode or the self capacitance sensing mode.
Abstract translation: 提供电容感测电路和方法。 双模电容感测电路包括具有放大器和耦合在放大器的输出和反相输入端之间的积分电容器的电容 - 电压转换器，以及响应于从模拟信号提供的控制信号的相互模式控制信号的开关电路 电容式触摸矩阵到互电容感测模式中的电容到电压转换器，并且响应于用于在自电容感测模式中控制从电容式触摸矩阵提供给电容 - 电压转换器的信号的自模式控制信号，其中电容感测 电路可配置为在互电容感测模式或自身电容感测模式下工作。
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公开(公告)号：US09389256B2
公开(公告)日：2016-07-12
申请号：US13717780
申请日：2012-12-18
Inventor： Paolo Angelini , Giovanni Carlo Tripoli , Ernesto Lasalandra , Tommaso Ungaretti , Kien Beng Tan , Yannick Guedon , Dianbo Guo , Sze-Kwang Tan
CPC classification number: G01R27/2605 , G06F3/0418 , G06F3/044
Abstract: Capacitance sensing circuits and methods are provided. The capacitance sensing circuit includes a capacitance-to-voltage converter configured to receive a signal from a capacitance to be sensed and to provide an output signal representative of the capacitance, an output chopper configured to convert the output signal of the capacitance-to-voltage converter to a sensed voltage representative of the capacitance to be sensed, an analog accumulator configured to accumulate sensed voltages during an accumulation period of NA sensing cycles and to provide an accumulated analog value, an amplifier configured to amplify the accumulated analog value, and an analog-to-digital converter configured to convert the amplified accumulated analog value to a digital value representative of the capacitance to be sensed. The analog accumulator may include a low pass filter having a frequency response to filter wideband noise.
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Patent Agency Ranking
6.发明申请METHOD AND DEVICE FOR ANALOG-TO-DIGITAL CONVERSION OF SIGNALS, CORRESPONDING APPARATUS 有权模拟数字转换信号的方法和装置，相关装置公开(公告)号：US20160182071A1
公开(公告)日：2016-06-23
申请号：US14863194
申请日：2015-09-23
Applicant: STMICROELECTRONICS S.r.l.
Inventor： Matteo Quartiroli , Salvatore Poli , Roberto Faravelli , Giovanni Carlo Tripoli
CPC classification number: H03M1/124 , H03M1/002 , H03M1/1225 , H03M1/1285 , H03M1/144 , H03M1/38 , H03M1/46
Abstract: One or more first signals and one or more second signals, wherein the second signal(s) are slowly varying or low frequency signals in comparison with the first signals and are converted from analog to digital by sampling the first signals and the second signals to produce samples thereof for analog-to-digital conversion, subjecting the samples of the first signals to conversion to digital at a certain conversion rate, subjecting the samples of the second signal to conversion to digital by segments so that these segments are subjected to conversion to digital along with the samples of the first signals at the respective conversion rate, and reconstructing digital converted samples of the second signal from the segments subjected to conversion to digital.
Abstract translation: 一个或多个第一信号和一个或多个第二信号，其中与第一信号相比，第二信号是缓慢变化的或低频信号，并且通过对第一信号和第二信号进行采样而从模拟转换成数字，以产生 用于模数转换的样本，使第一信号的采样以一定的转换速率转换为数字，使第二信号的样本通过段转换为数字，使得这些段被转换为数字 以及以相应的转换速率的第一信号的样本，以及将经过转换成数字的段的第二信号的数字转换样本重建。
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公开(公告)号：US20190222203A1
公开(公告)日：2019-07-18
申请号：US16243455
申请日：2019-01-09
Applicant: STMicroelectronics S.r.l.
Inventor： Giovanni Carlo Tripoli , Cecilia Teresa Rita Gatti , Paul Georges Marie Rose , Roberto Faravelli
CPC classification number: H03K3/0315 , G05F1/577 , H03K3/011 , H03K5/24
Abstract: An oscillator circuit including a ring oscillator and a reference current source is provided. The ring oscillator includes an odd number of inverter stages. Each inverter stage includes a first transistor having a first reference threshold that varies over temperature. The reference current source is configured to generate a plurality of currents, where a respective current is applied directly to the drain of a respective first transistor of a respective inverter stage. The reference current source includes a reference transistor that has a second reference threshold that varies over temperature; a resistor coupled between a gate and a source of the reference transistor; a second transistor having a source coupled to the gate of the reference transistor for generating a reference current that flows through the resistor to regulate a voltage of the resistor to the second threshold voltage; and a current mirror configured to generate the plurality of currents.
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8.发明申请METHOD AND SYSTEM FOR COMPENSATING SYSTEMATIC NON-LINEARITIES OF A SIGNAL PROVIDED BY A CAPACITIVE INERTIAL SENSOR 有权用于补偿由电容式惯性传感器提供的信号的系统非线性的方法和系统公开(公告)号：US20150323560A1
公开(公告)日：2015-11-12
申请号：US14672575
申请日：2015-03-30
Applicant: STMICROELECTRONICS S.R.L.
Inventor： Marco Castellano , Pierluigi Montinari , Salvatore Poli , Alessandro Tocchio , Giovanni Carlo Tripoli
IPC: G01P21/00 , G01P15/125
CPC classification number: G01P21/00 , G01C25/00 , G01P15/125
Abstract: A method for compensating non-linearities of a read signal generated by a variable-capacitance inertial sensor including a first fixed electrode and a second fixed electrode and a mobile electrode, which is spatially arranged between the first and second fixed electrodes and is capacitively coupled to the first and second fixed electrodes, said method comprising the steps of: acquiring the read signal; identifying a first linear component and at least one first nonlinear component of the read signal; a generating a compensated output signal by subtracting the first nonlinear component from the read signal.
Abstract translation: 一种用于补偿由包括第一固定电极和第二固定电极和移动电极的可变电容惯性传感器产生的读取信号的非线性的方法，所述第一固定电极和第二固定电极和移动电极被空间地布置在第一和第二固定电极之间并且电容耦合到 所述第一和第二固定电极，所述方法包括以下步骤：获取读取信号; 识别所述读取信号的第一线性分量和至少一个第一非线性分量; 通过从读取信号中减去第一非线性分量来产生补偿输出信号。
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9.发明申请公开(公告)号：US20140312919A1
公开(公告)日：2014-10-23
申请号：US14322244
申请日：2014-07-02
Inventor： Kien Beng Tan , Ernesto Lasalandra , Tommaso Ungaretti , Yannick Guedon , Dianbo Guo , Paolo Angelini , Giovanni Carlo Tripoli
CPC classification number: G01R27/2605 , G06F3/0416 , G06F3/044 , G06F2203/04104
Abstract: Capacitance sensing circuits and methods are provided. A dual mode capacitance sensing circuit includes a capacitance-to-voltage converter having an amplifier and an integration capacitance coupled between an output and an inverting input of the amplifier, and a switching circuit responsive to mutual mode control signals for a controlling signal supplied from a capacitive touch matrix to the capacitive to voltage converter in a mutual capacitance sensing mode and responsive to self mode control signals for controlling signals supplied from the capacitive touch matrix to the capacitance-to-voltage converter in a self capacitance sensing mode, wherein the capacitance sensing circuit is configurable for operation in the mutual capacitance sensing mode or the self capacitance sensing mode.
Abstract translation: 提供电容感测电路和方法。 双模电容感测电路包括具有放大器和耦合在放大器的输出和反相输入端之间的积分电容的电容 - 电压转换器，以及响应于从模拟信号提供的控制信号的相互模式控制信号的开关电路 电容式触摸矩阵到互电容感测模式中的电容到电压转换器，并且响应于用于在自电容感测模式中控制从电容式触摸矩阵提供给电容 - 电压转换器的信号的自模式控制信号，其中电容感测 电路可配置为在互电容感测模式或自身电容感测模式下工作。
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10.发明申请METHOD AND A DEVICE FOR ANALOG-TO-DIGITAL CONVERSION OF SIGNALS, CORRESPONDING APPARATUS 审中-公开模拟数字转换信号的方法和装置，相关装置公开(公告)号：US20170012635A1
公开(公告)日：2017-01-12
申请号：US15275836
申请日：2016-09-26
Applicant: STMICROELECTRONICS S.R.L.
Inventor： Matteo Quartiroli , Salvatore Poli , Roberto Faravelli , Giovanni Carlo Tripoli
CPC classification number: H03M1/124 , H03M1/002 , H03M1/1225 , H03M1/1285 , H03M1/144 , H03M1/38 , H03M1/46
Abstract: One or more first signals and one or more second signals, wherein the second signal(s) are slowly varying or low frequency signals in comparison with the first signals and are converted from analog to digital by sampling the first signals and the second signals to produce samples thereof for analog-to-digital conversion, subjecting the samples of the first signals to conversion to digital at a certain conversion rate, subjecting the samples of the second signal to conversion to digital by segments so that these segments are subjected to conversion to digital along with the samples of the first signals at the respective conversion rate, and reconstructing digital converted samples of the second signal from the segments subjected to conversion to digital.
Abstract translation: 一个或多个第一信号和一个或多个第二信号，其中与第一信号相比，第二信号是缓慢变化的或低频信号，并且通过对第一信号和第二信号进行采样而从模拟转换成数字，以产生 用于模数转换的样本，使第一信号的采样以一定的转换速率转换为数字，使第二信号的样本通过段转换为数字，使得这些段被转换为数字 以及以相应的转换速率的第一信号的样本，以及将经过转换成数字的段的第二信号的数字转换样本重建。
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