Circuit arrangement in an image display apparatus for (horizonta

Details Circuit arrangement in an image display apparatus for (horizonta Circuit arrangement in an image display apparatus for (horizonta

1975-07-22

1977-05-17

Farley, Richard A.

Electric lamp and discharge devices: systems

Cathode ray tube circuits

Cathode-ray deflections circuits

315400, H01J 2956

Patent

active

040244326

ABSTRACT:
Line deflection circuit in which the deflection coil is east-west modulated. In order to cancel an east-west dependent horizontal linearity defect the inductance value of the linearity correction coil is made independent of the field frequency, for example by means of a compensating current. In an embodiment this current is supplied by the shunt coil of the east-west modulator.

REFERENCES:
patent: 3149260 (1964-09-01), Davies
patent: 3440482 (1969-04-01), Lister et al.
patent: 3906305 (1975-09-01), Nillesen

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