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Multi-mode measuring system

  • US 5,144,226 A
  • Filed: 05/17/1991
  • Issued: 09/01/1992
  • Est. Priority Date: 05/17/1991
  • Status: Expired due to Term
First Claim
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1. A multi-mode signal measuring system comprising:

  • means for receiving an input signal to be measured;

    mode selector means, for providing at least one measurement mode selection signal, for selecting at least one signal measurement mode from among a plurality of available signal measurement modes, said plurality of available signal measurement modes including at least a True RMS measurement mode and an Average RMS measurement mode;

    signal measurement means including at least a True RMS signal measurement unit and an Average RMS signal measurement unit, each of said signal measurement units operative for processing an input signal according to said measurement mode selection signal, and for providing a measurement unit output signal corresponding to said input signal processed according to said measurement mode selection signal;

    mode control means, coupled to said signal measurement means, and responsive to said at least one measurement mode selection signal, for controlling the processing of said input signal by a selected signal measurement unit according to said measurement mode selection signal, and for controlling the providing of said measurement unit output signal of said selected signal measurement unit to a display means; and

    signal measurement display means, responsive to said measurement unit output signal, for displaying a value of the measurement of the input signal according to measurement mode selection signal.

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