Field deflection circuit in a picture display device

Details Field deflection circuit in a picture display device Field deflection circuit in a picture display device

1987-10-08

1989-05-30

Mottola, Steven

Boots, shoes, and leggings

364855, 315370, G06G 726

Patent

active

048357278

ABSTRACT:
A field deflection circuit in a picture display device having a sawtooth generator provided with a storage element, for example a capacitor, a first device for causing the quantity of information stored in the storage element to change in one direction during a first part of a field period, and a second device for causing the quantity to change in the opposite direction during a remaining second part of the field period so that an essentially sawtooth-shaped variation is produced. The sawtooth generator is also provided with a control loop for rendering a mean value of the change during the second part of the field period equal to a mean value of the change during the first part of the field period.

REFERENCES:
patent: 3422363 (1969-01-01), Foote et al.
patent: 4064406 (1977-12-01), Tiemeijer
patent: 4501996 (1985-02-01), Yanuguchi
patent: 4739228 (1988-04-01), Viscardi et al.
Cole et al., "Synchronized Saw-Tooth Generator", IBM Tech. Disc. Bull., vol. 23, No. 3, Aug. 1980, pp. 1246-1247.

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