Quasi-resonant random access deflection system for a calligraphi

Details Quasi-resonant random access deflection system for a calligraphi Quasi-resonant random access deflection system for a calligraphi

1985-03-25

1986-12-23

Blum, Theodore M.

Electric lamp and discharge devices: systems

Cathode ray tube circuits

Cathode-ray deflections circuits

315365, 340739, H01J 2970

Patent

active

046314547

ABSTRACT:
A quasi-resonant random access deflection system includes a biresonant, bidirectional deflection circuit connected to the deflection yoke of a display monitor picture tube and a control circuit connected to the deflection circuit and being operable to generate signals to actuate the deflection circuit so as to cause, via the magnetic fields of the deflection yoke, selected movement of the electron beam of the picture tube along a bidirectional path and stopping of the beam at any position along the bidirectional path.

REFERENCES:
patent: 3681646 (1972-08-01), Brehm
patent: 3934173 (1976-01-01), Korver
patent: 3976990 (1976-08-01), Haak
patent: 4491835 (1985-01-01), Aron
patent: 4551657 (1985-11-01), Miller et al.
Motorola Application Note, "A Self-Regulating Horizontal Scan System", pp. 2-9.
Dendinger, "Simplified High-Efficiency Motor Drive Systems with New PWM Integrated Circuits", pp. 315-319.

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