CRT raster reversal board

Details CRT raster reversal board CRT raster reversal board

1987-04-30

1988-11-01

Blum, Theodore M.

Electric lamp and discharge devices: systems

Cathode ray tube circuits

Cathode-ray deflections circuits

340735, H01J 2970, G09G 106

Patent

active

047822708

ABSTRACT:
A system for reversing directions of character displays in a CRT which includes apparatus for generating font signals, disconnecting the supply voltage, reversing the horizontal deflection coil polarity, and reconnecting the supply voltage.

REFERENCES:
patent: 4183063 (1980-01-01), Lewis
patent: 4262291 (1981-04-01), Zammit et al.
patent: 4581611 (1986-04-01), Yang et al.

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