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    • 2. 发明申请
    • Method and circuit arrangement for current measurement
    • 电流测量的方法和电路布置
    • US20060164069A1
    • 2006-07-27
    • US10524561
    • 2003-08-07
    • Reinhard MaierJurgen Rupp
    • Reinhard MaierJurgen Rupp
    • G01R15/18
    • G01R19/32G01R15/146G01R19/252
    • A method with corresponding circuit arrangement is disclosed, whereby for evaluation of a measured signal arising as an analogue value with a potential greater than zero potential in a measuring device requiring a supply current, the measured information therefrom is transmitted as a digital signal to an analytical unit lying at earth potential after an A/D conversion. The generated digital signal thus provides the clock signal for a modulation of the supply current and thus also carries out the function of the carrier for the information content of the measured signal. Curved characteristic lines for compression/decompression of the signals are used. Suitable devices for temperature compensation may be similarly provided.
    • 公开了一种具有相应电路装置的方法,其中为了评估在需要电源电流的测量装置中作为具有大于零电势的电位的模拟值产生的测量信号,将其测得的信息作为数字信号发送到分析 A / D转换后的单位处于地电位。 所产生的数字信号因此提供用于电源电流调制的时钟信号,并且因此还对测量信号的信息内容执行载波的功能。 使用用于信号的压缩/解压缩的曲线特征线。 适用于温度补偿的装置可以类似地提供。
    • 5. 发明授权
    • Process for monitoring the output signals from a transmitting device
    • 用于监视来自发送装置的输出信号的处理
    • US5353019A
    • 1994-10-04
    • US823134
    • 1992-01-21
    • Jurgen Rupp
    • Jurgen Rupp
    • G01D5/244G05F1/44G08B29/00G01R25/00
    • G01D5/24466G05F1/44
    • By rectifying, comparing and X-OR gating two signals (A,B) from a transmitting device (G) that are to be sinusoidal and have a corresponding rotational frequency, of the same amplitude, and ideally offset from one another electrically by 90.degree., a binary signal (RD) is generated that is indicative of whether a disturbance of the two signals (A,B) exists. A processing device (VE) determines if errors exist with respect to the amplitude, the offset or the phase relationship of the signals (A,B) by monitoring the mark-to-space ratio of the binary signal (RD) for its adherence to a ratio of 1:1, and generates a signal indicative of a disturbance when an error is determined to exist. Additionally, by dividing the binary signal (RD) via a 1:8 convertor (U) and monitoring that signal, the processing device can determine if a change in the rotational frequency of the two signals (A,B) of the transmitting device occurs.
    • 通过对来自发送装置(G)的两个信号(A,B)进行整流,比较和X-OR门限,这两个信号(A,B)具有相同振幅的正弦曲线并具有相应的旋转频率,理想地相互偏移90° 产生指示是否存在两个信号(A,B)的干扰的二进制信号(RD)。 处理装置(VE)通过监视二进制信号(RD)的标记与空间之比来确定信号(A,B)的幅度,偏移或相位关系是否存在错误, 比例为1:1,并且当确定存在错误时产生表示干扰的信号。 此外,通过经由1:8转换器(U)划分二进制信号(RD)并监视该信号,处理装置可以确定是否发生发送装置的两个信号(A,B)的转动频率的变化 。