Regulated video display terminal power supply

Details Regulated video display terminal power supply Regulated video display terminal power supply

1980-08-18

1982-03-23

Blum, Theodore M.

Electric lamp and discharge devices: systems

Cathode ray tube circuits

Power supply from deflection circuit source

358190, H01J 2970

Patent

active

043215122

ABSTRACT:
Disclosed is a power supply having transformer isolation which is capable of providing a plurality of precisely regulated output voltage levels. This regulated power supply is particularly adapted for use in a video display terminal because the output voltages may be scan-derived for improved video presentation with a plurality of precise voltage levels for driving various terminal logic levels provided by a single DC signal source.

REFERENCES:
patent: 3629497 (1971-12-01), Soardi
patent: 3641267 (1972-02-01), Cavallari
patent: 3818128 (1974-06-01), Chambers et al.
patent: 4215296 (1980-07-01), Mitamura et al.

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