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

1988-06-24

1990-01-02

Tarcza, Thomas H.

Electric lamp and discharge devices: systems

Cathode ray tube circuits

Cathode-ray deflections circuits

358148, H01J 2970, H04N 504

Patent

active

048915653

ABSTRACT:
A field deflection circuit in a picture display device including a sawtooth generator for generating an essentially sawtooth-shaped voltage. The circuit is provided with a storage element in which information is stored under the influence of applied clock pulses. Per field period the number of times when the content of the storage element is changed is reduced to a predetermined number, e.g. because a number of clock pulses is omitted. The clock pulses applied to the sawtooth generator are then distributed as regularly as possible.

REFERENCES:
patent: 4228461 (1980-10-01), Weissmueller
patent: 4334174 (1982-06-01), Weissmueller

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