Telecines with simultaneous scanning of a plurality of frames

Details Telecines with simultaneous scanning of a plurality of frames Telecines with simultaneous scanning of a plurality of frames

1994-08-15

1996-09-17

Chin, Tommy P.

Television

Special applications

Film, disc or card scanning

348 91, 348100, 348101, 348107, 348108, 348110, H04N 5253, H04N 5257

Patent

active

055573223

ABSTRACT:
A continuous-motion flying-spot telecine has twin objective lenses (13,14) which provide beams to scan two adjacent film frames simultaneously. Two sets of light detectors (16,17) are provided, one for each frame being scanned. The detector outputs are applied to a multiple frame store (23; FIG. 2). The scans can take place at half the normal speed, while a conventional rate signal is read out of the store. Problems caused at high frequencies as a result of afterglow on the CRT (10) can thereby be substantially reduced.

REFERENCES:
patent: 3751593 (1973-08-01), Rychlewski et al.
patent: 3806645 (1974-04-01), Favreau
patent: 4972274 (1990-11-01), Becker et al.
patent: 5067020 (1991-11-01), Funston
patent: 5179314 (1993-01-01), Walker et al.
patent: 5299014 (1994-03-01), Stansfield et al.
J. D. Millward, TV & Video Engineers Reference Book, "Telecines", Chapter 39, pp. 39/1-39/11.
J. D. Millward, TV & Video Engineers Reference Book, "Telecines", Chp. 39 pp. 39/1-39/11, (Sep. 1982).

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