Multi-mode measuring system
First Claim
Patent Images
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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Abstract
A multi-mode signal measurement system provides at least True RMS and Average RMS signal measurement modes in one system in response to a measurement mode selection made by an operator. The system controls the processing of the input signal by a selected signal measurement unit according to the operator selected signal measurement mode. After signal processing is complete, a display unit displays a value of the measurement of the input signal according to the selected measurement mode. Other measurement modes providing peak value and resistance measurement readings may also be provided.
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Citations
22 Claims
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1. A multi-mode signal measuring system comprising:
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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. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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14. A true RMS and Average RMS signal measuring system comprising:
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means for receiving an input signal to be measured; mode selector means, for providing at least one measurement mode selection signal, for selecting one signal measurement mode from among a plurality of available signal measurement modes, said plurality of available signal measurement modes including a True RMS measurement mode and an Average RMS measurement mode; at least one signal measurement unit, responsive to a measurement mode control signal, and selectably operable as one of a True RMS signal measurement converter and an Average RMS signal measurement converter, said signal measurement converters selectably operative for processing an input signal according to said measurement mode selection signal, and for providing a measurement output signal corresponding to said input signal processed according to said measurement mode selection signal; mode control means, coupled to said at least one signal measurement unit, and responsive to said at least one measurement mode selection signal, for providing a measurement mode control signal for controlling the processing of said input signal by said signal measurement unit according to said measurement mode selection signal, and for providing said measurement output signal to a display means; and signal measurement display means, responsive to said measurement output signal, for displaying a value of the measurement of the input signal according to said measurement mode selection signal. - View Dependent Claims (15, 16, 17)
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18. A True RMS and Average RMS and Peak sensing signal measuring system comprising:
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means for receiving an input signal to be measured; mode selector means, for providing at least one measurement mode selection signal for selecting one signal measurement mode from among a plurality of available signal measurement modes, said plurality of available signal measurement modes including a True RMS measurement mode, an Average RMS measurement mode and a Peak sensing measurement mode; signal measurement means including at least a True RMS signal measurement unit, an Average RMS signal measurement unit, and a Peak sensing 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 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 selecting one signal measurement unit, and for controlling the processing of said input signal by said selected signal measurement unit according to said measurement mode selection signal and for providing said measurement output signal to a display means; and signal measurement display means, responsive to said measurement output signal, for displaying a value of the measurement of the input signal according to said measurement mode selection signal.
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19. A multi-mode measuring system for a power line condition measuring apparatus comprising:
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means for receiving an input signal to be measured; mode selector means, responsive to a signal measurement control signal, for providing at least one measurement mode selection signal sequentially selecting at least first and second signal measurement modes from among a plurality of available signal measurement modes; a plurality of signal measurement units, each of said signal measurement units operative for processing said input signal according to said at least one measurement mode selection signal, and for providing a measurement output signal; mode control means, coupled to said plurality of signal measurement units, and responsive to said at least one measurement mode selection signal, for controlling the sequential processing of said input signal by at least first and second sequentially selected signal measurement units according to said at least one measurement mode selection signal, and for sequentially providing at least first and second measurement output signals of said at least first and second sequentially selected signal measurement units to a signal processing means; processing means, responsive to said at least first and second measurement output signals, for computing at least one power line signal condition, and for providing a power line signal condition measurement signal and a signal measurement control signal; and signal measurement display means, responsive to said power line signal condition measurement signal, for displaying a value of the measurement of the selected power line signal condition. - View Dependent Claims (20, 21, 22)
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Specification