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1.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
发明人： Kien Beng Tan , Ernesto Lasalandra , Tommaso Ungaretti , Yannick Guedon , Dianbo Guo , Paolo Angelini , Giovanni Carlo Tripoli
CPC分类号： G01R27/2605 , G06F3/0416 , G06F3/044 , G06F2203/04104
摘要： 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.
摘要翻译： 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
发明人： Paolo Angelini , Giovanni Carlo Tripoli , Ernesto Lasalandra , Tommaso Ungaretti , Kien Beng Tan , Yannick Guedon , Dianbo Guo , Sze-Kwang Tan
CPC分类号： G01R27/2605 , G06F3/0418 , G06F3/044
摘要： 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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3.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
发明人： Kien Beng Tan , Ernesto Lasalandra , Tommaso Ungaretti , Yannick Guedon , Dianbo Guo , Paolo Angelini , Giovanni Carlo Tripoli
CPC分类号： G01R27/2605 , G06F3/0416 , G06F3/044 , G06F2203/04104
摘要： 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.
摘要翻译： 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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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：US08976151B2
公开(公告)日：2015-03-10
申请号：US13717766
申请日：2012-12-18
发明人： Kien Beng Tan , Ernesto Lasalandra , Tommaso Ungaretti , Yannick Guedon , Dianbo Guo , Paolo Angelini , Giovanni Carlo Tripoli
CPC分类号： G01R27/2605 , G06F3/0416 , G06F3/044 , G06F2203/04104
摘要： 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 dual mode switching circuit responsive to mutual mode control signals for a controlling signal supplied from a capacitive touch matrix to the capacitance-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.
摘要翻译： 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，以及响应于所提供的控制信号的相互模式控制信号的双模式切换电路 在互电容感测模式中从电容式触摸矩阵到电容 - 电压转换器，并且响应用于在自电容感测模式下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发模式控制信号， 其中电容感测电路可配置为在互电容感测模式或自电容感测模式下操作。
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公开(公告)号：US20140077823A1
公开(公告)日：2014-03-20
申请号：US13717780
申请日：2012-12-18
发明人： Paolo Angelini , Giovanni Carlo Tripoli , Ernesto Lasalandra , Tommaso Ungaretti , Kien Beng Tan , Yannick Guedon , Dianbo Guo , Sze-Kwang Tan
IPC分类号： G01R27/26
CPC分类号： G01R27/2605 , G06F3/0418 , G06F3/044
摘要： 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.
摘要翻译： 提供电容感测电路和方法。 电容感测电路包括：电容 - 电压转换器，被配置为从要感测的电容接收信号并提供表示电容的输出信号;输出斩波器，被配置为转换电容 - 电压的输出信号 转换器到感测的电压，代表要感测的电容;模拟累加器，被配置为在NA感测周期的累积周期期间累积感测电压并提供累加的模拟值，被配置为放大所累积的模拟值的放大器和模拟 配置为将放大的累积模拟值转换为表示要感测的电容的数字值。 模拟累加器可以包括具有对滤波器宽带噪声的频率响应的低通滤波器。
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6.发明申请公开(公告)号：US20140078096A1
公开(公告)日：2014-03-20
申请号：US13717766
申请日：2012-12-18
发明人： Kien Beng Tan , Ernesto Lasalandra , Tommaso Ungaretti , Yannick Guedon , Dianbo Guo , Paolo Angelini , Giovanni Carlo Tripoli
IPC分类号： G06F3/044
CPC分类号： G01R27/2605 , G06F3/0416 , G06F3/044 , G06F2203/04104
摘要： 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 dual mode switching circuit responsive to mutual mode control signals for a controlling signal supplied from a capacitive touch matrix to the capacitance-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.
摘要翻译： 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，以及响应于所提供的控制信号的相互模式控制信号的双模式切换电路 在互电容感测模式中从电容式触摸矩阵到电容 - 电压转换器，并且响应用于在自电容感测模式下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发模式控制信号， 其中电容感测电路可配置为在互电容感测模式或自电容感测模式下操作。
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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
CPC分类号： H03M1/124 , H03M1/002 , H03M1/1225 , H03M1/1285 , H03M1/144 , H03M1/38 , H03M1/46
摘要： 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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8.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
CPC分类号： H03M1/124 , H03M1/002 , H03M1/1225 , H03M1/1285 , H03M1/144 , H03M1/38 , H03M1/46
摘要： 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.
摘要翻译： 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
发明人： Marco Castellano , Pierluigi Montinari , Salvatore Poli , Alessandro Tocchio , Giovanni Carlo Tripoli
IPC分类号： G01P21/00 , G01C25/00 , G01P15/125
CPC分类号： G01P21/00 , G01C25/00 , G01P15/125
摘要： 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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10.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
CPC分类号： H03M1/124 , H03M1/002 , H03M1/1225 , H03M1/1285 , H03M1/144 , H03M1/38 , H03M1/46
摘要： 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.
摘要翻译： 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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