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公开(公告)号：US20240380372A1
公开(公告)日：2024-11-14
申请号：US18655916
申请日：2024-05-06
Applicant: NXP B.V.
Inventor： Frederic Darthenay
Abstract: An amplifier circuit comprising: a first-stage residue-reduction storage unit; a final-stage residue-reduction storage unit; and a switching network. The switching network is operable to control the amplifier circuit according to the following operational configurations: a first residue-reduction configuration; a second residue-reduction configuration; and an operational configuration. Such an amplifier circuit uses a low number of residue-reduction steps to reduce global residual voltage to a very low level when the amplifier circuit is subsequently used in the operational configuration.
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公开(公告)号：US20240126311A1
公开(公告)日：2024-04-18
申请号：US18484905
申请日：2023-10-11
Applicant: NXP B.V.
Inventor： Frederic Darthenay
IPC: G05F1/46
CPC classification number: G05F1/468
Abstract: Systems and methods for providing voltage regulators with sliced pole tracking are discussed. In some embodiments, a voltage regulator may include: an error amplifier, a voltage-to-current converter coupled to the error amplifier, and a current-to-current converter coupled to the voltage-to-current converter, where the current-to-current converter comprises a sliced pole tracking circuit coupled to a power device, and where the power device is configured to provide an output voltage to a load.
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公开(公告)号：US20150180687A1
公开(公告)日：2015-06-25
申请号：US14134791
申请日：2013-12-19
Applicant: NXP B.V.
Inventor： Frederic Darthenay
CPC classification number: H04L25/20 , H04B7/155 , H04L1/0047 , H04L1/0076
Abstract: RF repeater circuits may be used to regenerate an RF signal. A method and apparatus is described for regenerating a received RF signal the RF signal comprising a plurality of channels, each channel comprising a plurality of channel symbols, the method comprising producing a digitized RF signal from the received RF signal, extracting spectral information of each of the channels from the digitized RF signal, recovering one or more channel symbols from each of the plurality of channels, remodulating the channel symbols, and converting the remodulated channel symbols to an analog signal resulting in a regenerated RF signal.
Abstract translation: 可以使用RF中继器电路来再生RF信号。 描述了一种用于再生接收的RF信号的方法和装置，包括多个信道的RF信号，每个信道包括多个信道符号，该方法包括从接收的RF信号产生数字化的RF信号，提取每个信道的频谱信息 来自数字化RF信号的信道，从多个信道中的每一个恢复一个或多个信道符号，重新调制信道符号，以及将重新调制的信道符号转换为导致再生的RF信号的模拟信号。
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公开(公告)号：US20240393910A1
公开(公告)日：2024-11-28
申请号：US18664150
申请日：2024-05-14
Applicant: NXP B.V.
Inventor： Frederic Darthenay , Jean-Robert Tourret , Franck Goussin , Vincent Geffroy
Abstract: A touch screen is disclosed having a length and a height, and comprising interspaced and galvanically isolated first and second arrays of touch pads; wherein the first array of touch pads comprises a plurality of first strings of series-connected touch pads, each first string forming a drive line and extending in a first general direction; wherein the second array of touch pads comprises a plurality of second strings of series-connected touch pads, each second string forming a read line and extending in a second general direction, different to said first general direction; wherein the first general direction and the second general direction are each different from the length direction; and wherein the touch screen is configured for capacitive-based sensing which may be based on a change in a mutual capacitance between individual ones of the drive lines and individual ones of the read lines.
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公开(公告)号：US20230091838A1
公开(公告)日：2023-03-23
申请号：US17823591
申请日：2022-08-31
Applicant: NXP B.V.
Inventor： Frederic Darthenay , Khurram Waheed
Abstract: A receiver path circuit includes a first stage, a down-sampler and a second stage. The first stage is configured to filter a mixer-output-signal received from a mixer and provide a first-stage-output-signal. The down-sampler is configured to down-sample the first-stage-output-signal to provide a transition-signal having a transition-frequency. The transition-frequency is lower than the frequency of the first-stage-output-signal. The second stage includes a switched-capacitor circuit that is configured to filter and reduce the frequency of the transition-signal in order to provide a second-stage-output-signal to an ADC.
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Patent Agency Ranking
公开(公告)号：US20240302915A1
公开(公告)日：2024-09-12
申请号：US18595499
申请日：2024-03-05
Applicant: NXP B.V.
Inventor： Frederic Darthenay , Jean-Robert Tourret , Franck Goussin , Vincent Geffroy
CPC classification number: G06F3/0416 , G06F3/0446 , G06F2203/04111
Abstract: A touch panel includes a first plurality of electrodes and a second plurality of electrodes. A plurality of transmitters generate a plurality of transmit signals by modulating a common sine wave signal with a set of orthogonal modulation signals, and drive each transmit signal onto a corresponding electrode of the first plurality of electrodes. Each transmit signal is generated by modulating the common sine wave signal with a unique orthogonal modulation signal of the set of orthogonal modulation signals. At least two of the plurality of transmit signals are not orthogonal. Each receiver of a plurality of receivers senses a receive signal on a corresponding electrode of the second plurality of electrodes and generates a set of correlation signals by correlating the receive signal with each transmit signal of the plurality of transmit signals. The sets of correlation signals are used to detect a touch event on the touch panel.
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公开(公告)号：US20190379387A1
公开(公告)日：2019-12-12
申请号：US16425049
申请日：2019-05-29
Applicant: NXP B.V.
Inventor： Frederic Darthenay
IPC: H03M1/10
Abstract: We disclose an apparatus for determining one or more calibration values of an ADC, the apparatus configured to receive a first reference signal and a second reference signal and apply to the ADC the following: over a first signal application period, a first ADC input signal comprising the first reference signal; over a second signal application period, a second ADC input signal having a substantially equal magnitude and an inverse polarity to the first ADC input signal; over a third signal application period, a third ADC input signal comprising the second reference signal; and over a fourth signal application period, a fourth ADC input signal having a substantially equal magnitude and an inverse polarity to the third ADC input signal, the apparatus configured to determine the one or more calibration values based, at least in part, on an ADC output signal of the ADC over the four signal application periods.
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公开(公告)号：US08830095B2
公开(公告)日：2014-09-09
申请号：US13770003
申请日：2013-02-19
Applicant: NXP B.V.
Inventor： Frederic Darthenay
CPC classification number: H03M1/1245 , G11C27/024 , G11C27/026
Abstract: A track and hold circuit has a main transistor for which the gate voltage is provided by a buffer circuit which is supplied with a different voltage supply than the circuit of the main transistor. This avoids the need for a bootstrap circuit.
Abstract translation: 轨道保持电路具有主晶体管，栅极电压由提供有与主晶体管的电路不同的电压源的缓冲电路提供。 这避免了对自举电路的需要。
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公开(公告)号：US20250036238A1
公开(公告)日：2025-01-30
申请号：US18764690
申请日：2024-07-05
Applicant: NXP B.V.
Inventor： Jean-Robert Tourret , Franck Goussin , Frederic Darthenay , Vincent Geffroy
Abstract: A method for display noise canceling in a touch sensing system includes measuring a first feedback voltage of a feedback node resistively coupled to a line voltage of a capacitive touch panel, the line voltage formed by a continuous wave output of an amplifier responsive to a reference voltage difference between the first feedback voltage and a reference voltage. A second feedback voltage is clamped to a first upper voltage threshold in response to a first voltage difference between the first feedback voltage and the reference voltage being greater than the first upper voltage threshold. The second feedback voltage is clamped to a first lower voltage threshold in response to the first voltage difference being less than the first lower voltage threshold.
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10.发明公开公开(公告)号：US20240302918A1
公开(公告)日：2024-09-12
申请号：US18587195
申请日：2024-02-26
Applicant: NXP B.V.
Inventor： Franck Goussin , Frederic Darthenay , Jean-Robert Tourret , Vincent Geffroy
CPC classification number: G06F3/04166 , G06F3/0446
Abstract: A touch panel system that includes drivers for providing detection signals on a first plurality of electrodes of a touch panel where each detection signal includes one or more frequency signal components with each frequency signal component having a frequency and a phase offset. The detection signals includes at least three phase offsets for at least one frequency of the frequency signal components. Each detection signal has a unique frequency-phase offset combination of the one or more frequency signal components. The unique combinations allow for the determination of a touch at specific locations on the panel by sensing signals on a second set of electrodes.
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