Digital oscilloscope with high live time recording of signal ano

Computer graphics processing and selective visual display system – Display peripheral interface input device – Light pen for fluid matrix display panel

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324121R, G09G 536

Patent

active

059991631

ABSTRACT:
A method of analyzing and displaying waveforms by acquiring an electrical signal, converting it into a stream of digital data points, and sequentially storing each data point to a memory device. Then, analyzing each of the data points to detect whether the data point is an anomalous data point outside of a preselected range. Until an anomalous data point is detected, the steps of acquiring, converting, storing, and analyzing data are repeated. Shortly after the anomalous data point is detected, storage of the data points to the memory device is stopped, so that the anomalous data point and adjacent data points are preserved in memory. Then, the anomalous data point is displayed, preferably along with the immediately preceding and succeeding data points.

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patent: 5530454 (1996-06-01), Etheridge et al.

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