Logic controlled degaussing system

Details Logic controlled degaussing system Logic controlled degaussing system

1982-09-29

1984-07-03

LaRoche, Eugene R.

Electric lamp and discharge devices: systems

Cathode ray tube circuits

Pulse storing

361150, H04N 929

Patent

active

044581785

ABSTRACT:
A CRT in a CRT device is degaussed following a timed period of device inactivity and while the screen of the CRT is darkened, as well as at device turn-on or at manual activation. The screen stays darkened until data is inputted, and degaussing reoccurs during each subsequent timed period of inactivity.

REFERENCES:
patent: 4262232 (1981-04-01), Willis

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