Protection circuitry for cathode ray tubes

Details Protection circuitry for cathode ray tubes Protection circuitry for cathode ray tubes

1973-08-23

1976-05-18

Wilbur, Maynard R.

Electric lamp and discharge devices: systems

Cathode ray tube circuits

Cathode-ray deflections circuits

315386, H01J 2952

Patent

active

039581527

ABSTRACT:
Both velocity and x-y deflection magnitude of a cathode ray tube (CRT) electron beam are continuously sensed, and beam intensity is limited to prevent damage to the CRT during periods of insufficient beam deflection.

REFERENCES:
patent: 3146372 (1964-08-01), Fertig
patent: 3399324 (1968-08-01), Brown
patent: 3510722 (1970-05-01), Curtis
patent: 3535445 (1970-10-01), Griffery
patent: 3588608 (1971-06-01), Halinski et al.
patent: 3784870 (1974-01-01), Dorsey

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