Alternate sweeping system for use in oscilloscope

Details Alternate sweeping system for use in oscilloscope Alternate sweeping system for use in oscilloscope

1982-02-10

1985-07-16

Blum, Theodore M.

Electric lamp and discharge devices: systems

Cathode ray tube circuits

Cathode-ray deflections circuits

315392, G01R 1326, G01R 1328

Patent

active

045299161

ABSTRACT:
In an alternating sweeping system for use in an oscilloscope of the type wherein a sweeping signal and a delayed sweeping signal are alternately supplied to a horizontal deflection circuit of the oscilloscope, and wherein a unblanking signal and a delayed unblanking signal are alternately supplied to a brightness modulation circuit, widths of the delayed sweeping signal and the delayed unblanking signal made to be less than one half of width of the sweeping signal and the unblanking signal so that the delayed blanking signal and the delayed unblanking signal are used a plurality of times during an interval in which the sweeping signal and the unblanking signal are used once.

REFERENCES:
patent: 3404394 (1968-10-01), Bassett
patent: 3909671 (1975-09-01), Nakaya
patent: 4109182 (1978-08-01), Dalton
patent: 4241340 (1980-12-01), Raney, Jr.
"Understanding Oscilloscopes and Display Waveforms" published by Kendall Webster Sessions, Walter A. Fisher.

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