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    • 12. 发明授权
    • Method and device for monitoring a frequency signal
    • 用于监视频率信号的方法和装置
    • US08648622B2
    • 2014-02-11
    • US13522927
    • 2010-11-26
    • Michael BausMichael Stemmler
    • Michael BausMichael Stemmler
    • G01R23/02
    • G01R23/15G01R31/2829H03K5/19
    • A method for monitoring a frequency signal provided within a unit is disclosed. The method comprises a step of receiving one or more binary signal levels of a cycle signal (CLK) or a control signal (CS) from a communication interface (CLK, CS, MOSI, MISO), wherein the communication interface (CLK, CS, MOSI, MISO) is designed to transfer information according to a communication protocol. The method further comprises a step of providing the frequency signal in the unit and comparing the frequency signal to a temporal sequence of signal levels of the cycle signal (CLK) received by the communication interface (CLK, CS, MOSI, MISO) in order to obtain a comparison result or controlling a counter by the control signal (CS) and the frequency signal in order to obtain a counter status. Finally, the method according to the disclosure comprises a step of recognizing a predetermined quality of the frequency signal if the comparison result fulfills a predetermined criterion or if the counter status lies within a predetermined value range in order to monitor by the recognized quality of the frequency signal.
    • 公开了一种用于监视设置在单元内的频率信号的方法。 该方法包括从通信接口(CLK,CS,MOSI,MISO)接收周期信号(CLK)或控制信号(CS)的一个或多个二进制信号电平的步骤,其中通信接口(CLK,CS, MOSI,MISO)旨在根据通信协议传输信息。 该方法还包括在单元中提供频率信号并将频率信号与通信接口(CLK,CS,MOSI,MISO)接收的周期信号(CLK)的信号电平的时间序列进行比较的步骤,以便 通过控制信号(CS)和频率信号获得比较结果或控制计数器,以获得计数器状态。 最后,根据本公开的方法包括如果比较结果满足预定标准则识别频率信号的预定质量或者如果计数器状态位于预定值范围内以便通过所识别的频率质量进行监视的步骤 信号。