Television receiver

Details Television receiver Television receiver

1990-01-25

1990-09-18

Blum, Theodore M.

Electric lamp and discharge devices: systems

Cathode ray tube circuits

Cathode-ray deflections circuits

315411, 358190, H01J 2970, H01J 2976

Patent

active

049581104

ABSTRACT:
A television receiver in which a high voltage detection circuit detects the FBT output voltage which is supplied to the cathode ray tube, a comparison circuit compares the detected voltage with a reference voltage, and the supply voltage to the FBT is controlled by a control signal which represents the result of comparison. The control signal provided by the comparison circuit is also used to control the supply voltage to a drive circuit which injects base carriers to a high voltage generating transistor, so that a proper drive control takes place automatically depending on the load condition of the high voltage.

REFERENCES:
patent: 4823052 (1989-04-01), Onozawa et al.
"Color TV Text, 6.4.4 Drive Circuit and Output Circuit", Nippon Hoso Kyokai, pp. 176 to 182; 1st ed. 1977, 24th ed, 1987.English Translation.

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