Television scanning of wide frame motion picture films

Details Television scanning of wide frame motion picture films Television scanning of wide frame motion picture films

1982-10-13

1985-04-23

Isen, Forester W.

Facsimile and static presentation processing

Facsimile

Recording apparatus

358 54, H04N 336

Patent

active

045133247

ABSTRACT:
Wide screen film frames are scanned in full width and in a first intermediate store a horizontal section of the frame is defined by a read-out start address and expanded by reading out at a lower speed. Only a part of the desired expansion is produced before the picture is stored for interlaced read-out in pairs of television fields. Thereafter the rest of the desired expansion is produced, with a further selection of the portion of each line to be viewed. Varying the read-out start address to shift the section of the picture to be reproduced in television form is done frame by frame in the first store and field by field in the second store and the two shift adjustments can be programmed in combination for smooth transitions.

REFERENCES:
patent: 4205337 (1980-05-01), Millward
patent: 4275422 (1981-07-01), Le Couteur
patent: 4346408 (1982-08-01), Massmann
patent: 4445139 (1984-04-01), Stemme et al.
patent: 4476493 (1984-10-01), Poetsch et al.

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