Trimming area control system in photo-printing

Details Trimming area control system in photo-printing Trimming area control system in photo-printing

1982-11-29

1985-01-29

Britton, Howard W.

Facsimile and static presentation processing

Facsimile

Recording apparatus

358 77, 358 80, H04N 104, H04N 146, H04N 308

Patent

active

044969830

ABSTRACT:
It has heretofore been extremely difficult to adjust the trimming area of a negative film image when printing a picture by a photo-printer. This invention obviates such difficulties by effectively driving and controlling a zoom lens by picking up a negative image with a TV camera provided with a zoom lens so as to facilitate monitoring the trimming areas with a monitor TV, and combining a video signal from the TV camera which corresponds to the carrier aperture of the negative film and a reference position signal which spot-scans the negative image.

REFERENCES:
patent: 3794756 (1974-02-01), Gahn et al.
patent: 4163605 (1979-08-01), Yamada
patent: 4307412 (1981-12-01), Van Den Bussche
patent: 4364084 (1982-12-01), Akimoto et al.

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