Cathode-ray display

Details Cathode-ray display Cathode-ray display

1989-02-21

1990-11-13

Issing, Gregory C.

Electric lamp and discharge devices: systems

Cathode ray tube circuits

Cathode-ray deflections circuits

315379, H01J 2952

Patent

active

049704435

ABSTRACT:
A cathode-ray display for displaying a trace has a memory to store portions of digitized input signal. An analogue signal is created from the memory and is added to a ramp signal corresponding to the ramp signal utilized to control the field scanning of the cathode-ray display. A further high frequency signal is added to the superimprosed analogue signal and ramp signal. The resultant combined signal is supplied to voltage discrimination means which control a switch which, in turn, controls the electron gun of the cathode-ray display.

REFERENCES:
patent: 3186403 (1965-06-01), Bassett
Kats et al., Medical Oscilloscope with Digital Storage, Biomed. Eng. (U.S.A.) vol. 13 #4 (Jul.-Aug. 1979).

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