Scanning control arrangement for a telecine system using a flyin

Details Scanning control arrangement for a telecine system using a flyin Scanning control arrangement for a telecine system using a flyin

1974-01-29

1976-09-07

Griffin, Robert L.

Telegraphy

Systems

Simplex-reversing periodic

178DIG28, H04N 336

Patent

active

039795560

ABSTRACT:
In a telecine system using a flying spot tube, the latter is used for scanning, at the same time as the film, marker zones delivering, upon being scanned, marker signals characteristic of the vertical position of the horizontal line on which they are located. The marker signals are converted into electrical signals for comparison with a reference signal; the resultant output signal is used for correcting the vertical deflection of the flying spot. The marker zones may be scanned either by an image of the flying spot distinct from that which scan the film, or by the same image.

REFERENCES:
patent: 2818466 (1957-12-01), Larson
patent: 2929956 (1960-03-01), Jacobs et al.
patent: 3267212 (1966-08-01), Goldmark et al.
patent: 3333058 (1967-07-01), Goldmark et al.
patent: 3340359 (1964-04-01), Fredkin
patent: 3358184 (1967-12-01), Vitt, Jr.
patent: 3378635 (1968-04-01), Goldmark et al.
patent: 3447026 (1969-05-01), Townsend
patent: 3693042 (1972-09-01), Fredkin et al.

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