Scanner with electronically variable raster to produce picture e

Details Scanner with electronically variable raster to produce picture e Scanner with electronically variable raster to produce picture e

1990-01-29

1991-01-08

Brinich, Stephen

Facsimile and static presentation processing

Facsimile

Recording apparatus

358214, H04N 336

Patent

active

049840860

ABSTRACT:
In a flying spot telecine used to generate video signals by scanning a film, the scanning raster is adjustable angularly relative to the film being scanned. The output video signal hence represents the image on the film but angularly displaced relative to the orientation of the film itself. Using this method angular and rotational picture effects can be generated without the need for expensive computer memory or complex processing of picture information. The method can be applied to produce similar angular and rotational effects in a film writer. In such a system, unexposed film is repeatedly scanned by the flying spot scanner, the beam of which is modulated in turn by R, G and B video signals.

REFERENCES:
patent: 3979556 (1976-09-01), Vidal
patent: 4272780 (1981-06-01), Belmares-Sarabia et al.
patent: 4312017 (1982-01-01), Poetsch
patent: 4418360 (1983-11-01), Glasgow
patent: 4485406 (1984-11-01), Browstein
patent: 4660091 (1987-04-01), Nutting

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