Cursor display for oscilloscopes

Details Cursor display for oscilloscopes Cursor display for oscilloscopes

1984-01-31

1987-08-11

Ruehl, Charles A.

Communications: electrical

Land vehicle alarms or indicators

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

340721, 340722, G09G 302

Patent

active

046865233

ABSTRACT:
A cursor generator for an oscilloscope presents a cursor line or lines in juxtaposition with waveforms on an oscilloscope display, wherein the cursor is formed of a plurality of discrete points or dots. The deflection signal for generating the cursor is preferably supplied from the oscilloscope's character generator, while the analog positioning voltages for the cursor are also used in sweep delay comparison portion of the oscilloscope for initiating the oscilloscope's delayed sweep.

REFERENCES:
patent: 2858475 (1958-10-01), Blake
patent: 2901664 (1959-08-01), Firmenich
patent: 3527031 (1971-05-01), Neil et al.
patent: 3648270 (1972-03-01), Metz et al.
patent: 4295135 (1981-10-01), Sukonick
patent: 4400780 (1983-08-01), Nagao et al.

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