Waveform storage and display system

Details Waveform storage and display system Waveform storage and display system

G - Physics

01

R

375/34

G01R 13/20 (2006.01) G01R 13/22 (2006.01) G01R 13/34 (2006.01)

Patent

CA 1197333

- 9 - Abstract A waveform storage and display system particu- larly useful in digital oscilloscopes is provided in which successive waveforms of a repetitive signal are compared with a reference waveform, and upon detection of a difference or change within the waveform, the changed waveform is automatically stored. In addition to the conventional acquisition and display waveform memories, a reference-waveform and a changed-waveform memories are provided. Once a reference waveform is selected and stored, comparison of subsequent succes- sive waveforms to detect changes is achieved under microprocessor control. Several display modes to pro- vide a visual indication of changes may be implemented.

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