Waveform measuring apparatus with marker zone displaying functio

Details Waveform measuring apparatus with marker zone displaying functio Waveform measuring apparatus with marker zone displaying functio

1988-03-02

1989-01-31

Tokar, Michael J.

Electricity: measuring and testing

Measuring, testing, or sensing electricity, per se

Analysis of complex waves

324 77B, G01R 2316

Patent

active

048018732

ABSTRACT:
An input section outputs a digital signal representing a characteristic value corresponding to a measurement range of an input signal. The digital signal is then stored in a memory. A display displays the digital signal stored in the memory as an image which is developed along one of two-dimensional coordinates axes and represents the predetermined characteristic value. A zone setting section outputs zone width data for setting, as a marker zone, a portion including a desired range of the one axis for the image displayed on the display. A zone display controller causes the display to display the marker zone, in accordance with the zone width data. A detector reads out the digital signal within the desired range of the one axis, from the memory, in accordance with the zone width data, and detects the specific characteristic value in the readout digital signal. A display controller causes a display to display detected specific characteristic value data.

REFERENCES:
patent: 4244024 (1981-01-01), Marzalek et al.
patent: 4253152 (1981-02-01), Holdaway
patent: 4257104 (1981-03-01), Martin et al.
patent: 4264958 (1981-04-01), Rowell, Jr.
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patent: 4568878 (1986-02-01), Bales
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patent: 4611164 (1986-09-01), Mitsuyoshi
patent: 4611343 (1986-09-01), Rapaich
patent: 4649496 (1987-03-01), Anderson
patent: 4660150 (1987-04-01), Anderson

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