Signal-envelope display system for a digital oscilloscope

Details Signal-envelope display system for a digital oscilloscope Signal-envelope display system for a digital oscilloscope

1982-10-15

1985-08-20

Brigance, Gerald L.

Communications: electrical

Land vehicle alarms or indicators

Internal alarm or indicator responsive to a condition of the...

340798, 324121R, G09G 100, G09G 300

Patent

active

045367604

ABSTRACT:
A signal-envelope display system for a digital oscilloscope includes a memory for storing minimum and maximum signal values in adjacent storage locations, an address counter for sequentially addressing the memory, and a control circuit for selectively inverting the least significant bit of the address count signal. The values retrieved from the memory are converted to analog values and a low-pass filter connects the analog values to provide a signal envelope display.

REFERENCES:
patent: 4251815 (1981-02-01), Dagostino
patent: 4271486 (1981-06-01), Dagostino et al.
patent: 4396912 (1983-08-01), Pozzi

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