Regulated deflection circuit

Details Regulated deflection circuit Regulated deflection circuit

1978-01-20

1979-03-27

Blum, Theodore M.

Electric lamp and discharge devices: systems

Cathode ray tube circuits

Cathode-ray deflections circuits

H01J 2970, H01J 2976

Patent

active

041468236

ABSTRACT:
A controllable switch is coupled to a source of energy and a first terminal of a deflection circuit. A second switch is coupled in parallel with the first switch. The controllable switch is poled to conduct forward operating current, while the second switch is poled to conduct return current to the source. A control circuit controls the duration of conduction of the controllable switch for providing a controlled amount of energy to the deflection circuit. The deflection rate voltage at the first terminal commutates off the controllable switch; the second switch then conducts the return current.

REFERENCES:
patent: 3919599 (1975-11-01), Reh et al.
patent: 3950673 (1976-04-01), Gries
patent: 4009426 (1977-02-01), Bohringer

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