Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – Cathode ray
Patent
1990-01-16
1991-09-10
Wieder, Kenneth A.
Electricity: measuring and testing
Measuring, testing, or sensing electricity, per se
Cathode ray
340706, 340734, G01R 3500
Patent
active
050477099
ABSTRACT:
Calibrated voltage cursors with respect to an input waveform signal are produced for display with the input waveform signal by injecting the cursor signals into the signal path prior to any gain stages in the signal path.
REFERENCES:
patent: 4092567 (1978-05-01), Sharrit
patent: 4550316 (1985-10-01), Whetstone et al.
patent: 4553091 (1985-11-01), Bristol
patent: 4737773 (1988-04-01), Kobayashi
patent: 4748404 (1988-05-01), Heinze et al.
patent: 4754205 (1988-06-01), Diller et al.
"Digital Cursor Generator for Video Displays", by Brock et al, IBM Tech. Disc. Bull., vol. 19, #6, 11/76, p. 1995.
Burns William J.
Gray Francis I.
Tektronix Inc.
Wieder Kenneth A.
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