Picture display device

Details Picture display device Picture display device

1980-09-10

1982-10-26

Hubler, Malcolm F.

Electric lamp and discharge devices: systems

Cathode ray tube circuits

Cathode-ray deflections circuits

358168, H01J 2952

Patent

active

043564364

ABSTRACT:
A picture display device in which velocity modulation of the electron beam is effected with a deflection correction signal derived from the video signal to be displayed. The brightness distribution influenced by this deflection correction signal in a sudden brightness transient is corrected by adding to the video signal a brightness correction signal which is predominantly proportional to the product of the video signal and a first derivative with respect to time of the deflection correction signal.

REFERENCES:
patent: 2453711 (1948-11-01), Isbister et al.
patent: 2678964 (1954-05-01), Loughlin
patent: 2917659 (1959-12-01), Knoebel
patent: 2993142 (1961-07-01), Harvey

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