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    Circuits and Methods of Automatically Adjusting a Discriminator Threshold
    2.
    发明申请
    Circuits and Methods of Automatically Adjusting a Discriminator Threshold 有权
    自动调整鉴别器阈值的电路和方法

    公开(公告)号：US20150180457A1

    公开(公告)日：2015-06-25

    申请号：US14135542

    申请日：2013-12-19

    Applicant: Silicon Laboratories Inc.

    Inventor： Marty Pflum

    IPC: H03K5/125 ,  H03K5/24 ,  H03K5/1532

    CPC classification number: H03K5/125 ,  H03K5/1532 ,  H03K5/24

    Abstract: A circuit includes a discriminator to store a threshold. The circuit further includes a comparator including a first input to receive a count, a second input to receive the threshold, and an output to provide an output signal representing a result of the comparison between the count and the threshold. The circuit also includes a controller to automatically adjust the threshold when the count exceeds a first threshold or falls below a second threshold.

    Abstract translation: 电路包括用于存储阈值的鉴别器。 该电路还包括比较器，其包括用于接收计数的第一输入端，接收阈值的第二输入端和提供表示计数与阈值之间的比较结果的输出信号的输出。 电路还包括控制器，用于当计数超过第一阈值或低于第二阈值时自动调整阈值。

    Circuits and methods of automatically adjusting a discriminator threshold
    4.
    发明授权
    Circuits and methods of automatically adjusting a discriminator threshold 有权
    自动调整鉴别器阈值的电路和方法

    公开(公告)号：US09166576B2

    公开(公告)日：2015-10-20

    申请号：US14135542

    申请日：2013-12-19

    Applicant: Silicon Laboratories Inc.

    Inventor： Marty Pflum

    IPC: H03K5/153 ,  H03K5/125 ,  H03K5/1532 ,  H03K5/24

    CPC classification number: H03K5/125 ,  H03K5/1532 ,  H03K5/24

    Abstract: A circuit includes a discriminator to store a threshold. The circuit further includes a comparator including a first input to receive a count, a second input to receive the threshold, and an output to provide an output signal representing a result of the comparison between the count and the threshold. The circuit also includes a controller to automatically adjust the threshold when the count exceeds a first threshold or falls below a second threshold.

    Abstract translation: 电路包括用于存储阈值的鉴别器。 该电路还包括比较器，该比较器包括用于接收计数的第一输入端，接收阈值的第二输入端和提供表示计数与阈值之间的比较结果的输出信号的输出。 电路还包括控制器，用于当计数超过第一阈值或低于第二阈值时自动调整阈值。

    Resonant signal sensing circuit having a low power mode
    5.
    发明授权
    Resonant signal sensing circuit having a low power mode 有权

    公开(公告)号：US09689724B2

    公开(公告)日：2017-06-27

    申请号：US14135548

    申请日：2013-12-19

    Applicant: Silicon Laboratories Inc.

    Inventor： Marty Pflum

    IPC: G01R19/00 ,  G01F1/115 ,  G01F1/075 ,  G01D4/02

    CPC classification number: G01F1/115 ,  G01D4/02 ,  G01F1/075

    Abstract: An apparatus includes a sensor circuit to receive a varying signal at an input of the apparatus. The sensor circuit provides a sensor signal corresponding to a measurement of the varying signal. The apparatus further includes a timer circuit to generate a signal at various intervals of a plurality of intervals and a controller coupled to the sensor circuit. The controller has a first power mode and a second power mode, where the first power mode has a lower power consumption than the second power mode. The controller enters the second power mode in response to the signal from the timer circuit. The controller enables the sensor circuit, captures a plurality of measurements of the varying signal, and returns to the first power mode.

    Metering circuit including a floating count window to determine a count
    6.
    发明授权
    Metering circuit including a floating count window to determine a count 有权
    计量电路包括一个浮动计数窗口来确定计数

    公开(公告)号：US09246494B2

    公开(公告)日：2016-01-26

    申请号：US14135554

    申请日：2013-12-19

    Applicant: Silicon Laboratories Inc.

    Inventor： Marty Pflum

    IPC: G01F15/06 ,  H03K21/10 ,  B67D7/22 ,  H03K5/1532 ,  H03K23/64 ,  G01R23/10

    CPC classification number: H03K21/10 ,  B65H2220/01 ,  B65H2513/11 ,  B67D7/228 ,  G01R23/10 ,  H03K5/1532 ,  H03K23/64

    Abstract: A method includes receiving a count corresponding to a number of peaks of a resonant signal that exceed a reference signal and comparing the count to a floating count window defined by a first count threshold and a second count threshold, the first count threshold is larger than the second count threshold. The method further includes selectively shifting the floating count window in a direction of the count when the count falls outside of the floating count window.

    Abstract translation: 一种方法包括接收对应于超过参考信号的谐振信号的峰值数量的计数，并将计数与由第一计数阈值和第二计数阈值定义的浮动计数窗口进行比较，第一计数阈值大于 第二计数阈值。 该方法还包括当计数落在浮动计数窗口之外时，在计数方向上选择性地移动浮动计数窗口。

    Metering Circuit Including a Floating Count Window to Determine a Count
    7.
    发明申请
    Metering Circuit Including a Floating Count Window to Determine a Count 有权
    包含浮动计数窗口的计量电路来确定计数

    公开(公告)号：US20150180479A1

    公开(公告)日：2015-06-25

    申请号：US14135554

    申请日：2013-12-19

    Applicant: SILICON LABORATORIES INC.

    Inventor： Marty Pflum

    IPC: H03K21/10 ,  B67D7/22 ,  H03K23/64

    CPC classification number: H03K21/10 ,  B65H2220/01 ,  B65H2513/11 ,  B67D7/228 ,  G01R23/10 ,  H03K5/1532 ,  H03K23/64

    Abstract: A method includes receiving a count corresponding to a number of peaks of a resonant signal that exceed a reference signal and comparing the count to a floating count window defined by a first count threshold and a second count threshold, the first count threshold is larger than the second count threshold. The method further includes selectively shifting the floating count window in a direction of the count when the count falls outside of the floating count window.

    Abstract translation: 一种方法包括接收对应于超过参考信号的谐振信号的峰值数量的计数，并将计数与由第一计数阈值和第二计数阈值定义的浮动计数窗口进行比较，第一计数阈值大于 第二计数阈值。 该方法还包括当计数落在浮动计数窗口之外时，在计数方向上选择性地移动浮动计数窗口。

    Resonant Signal Sensing Circuit Having a Low Power Mode
    8.
    发明申请
    Resonant Signal Sensing Circuit Having a Low Power Mode 有权
    具有低功耗模式的谐振信号传感电路

    公开(公告)号：US20140176115A1

    公开(公告)日：2014-06-26

    申请号：US14135548

    申请日：2013-12-19

    Applicant: Silicon Laboratories Inc.

    Inventor： Marty Pflum

    IPC: G01R19/00

    CPC classification number: G01F1/115 ,  G01D4/02 ,  G01F1/075

    Abstract: An apparatus includes a sensor circuit to receive a varying signal at an input of the apparatus. The sensor circuit provides a sensor signal corresponding to a measurement of the varying signal. The apparatus further includes a timer circuit to generate a signal at various intervals of a plurality of intervals and a controller coupled to the sensor circuit. The controller has a first power mode and a second power mode, where the first power mode has a lower power consumption than the second power mode. The controller enters the second power mode in response to the signal from the timer circuit. The controller enables the sensor circuit, captures a plurality of measurements of the varying signal, and returns to the first power mode.

    Abstract translation: 一种装置包括传感器电路，用于在装置的输入处接收变化的信号。 传感器电路提供对应于变化信号的测量的传感器信号。 该装置还包括定时器电路，用于以多个间隔的不同间隔产生信号，以及耦合到传感器电路的控制器。 控制器具有第一功率模式和第二功率模式，其中第一功率模式具有比第二功率模式更低的功率消耗。 响应于来自定时器电路的信号，控制器进入第二功率模式。 控制器使得传感器电路捕获多个测量变化的信号，并返回到第一功率模式。

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