Horizontal deflection circuit for television camera

Details Horizontal deflection circuit for television camera Horizontal deflection circuit for television camera

1975-10-20

1979-08-28

Blum, Theodore M.

Electric lamp and discharge devices: systems

Cathode ray tube circuits

Cathode-ray deflections circuits

315403, H01J 2956

Patent

active

041662377

ABSTRACT:
A deflection circuit has a switching transistor to switch current from a supply transistor through deflection coils. Both the base and collector current of the supply transistor are sensed to eliminate temperature variations in a linearity correction circuit. The deflection coils have series transformers coupled to them for individual linearity correction. This enables higher values of variable resistors to be used, thus eliminating contact potential problems.

REFERENCES:
patent: 3192433 (1965-06-01), Schneider
patent: 3426241 (1969-02-01), Perkins
patent: 3434002 (1969-04-01), Oliver
patent: 3439221 (1969-04-01), Drummond
patent: 3646393 (1972-02-01), Tarr
patent: 3740611 (1973-06-01), Slavik
patent: 3769542 (1973-10-01), Pieters

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