Automatic notcher with judging device for film frames to be prin

Details Automatic notcher with judging device for film frames to be prin Automatic notcher with judging device for film frames to be prin

1985-06-03

1987-02-03

Westin, Edward P.

Radiant energy

Photocells; circuits and apparatus

Photocell controls its own optical systems

250215, 354106, 355 29, 356443, G01J 120, G01N 2100

Patent

active

046410198

ABSTRACT:
An automatic notcher which automatically forms a notch on a developed film is provided with a faulty frame judging device and a notcher controlling circuit. The device includes out-of-focus image judging device for making judgement as to whether or not an image on the film is out of focus. The notcher controlling circuit actuates a notcher only for frames which need to be printed on the basis of the judgement made by the out-of-focus image judging device. Accordingly, any out-of-focus image on the film is automatically judged to be one which need not be printed and a notch is not therefore formed for it.

REFERENCES:
patent: 3690765 (1972-09-01), Rickard et al.
patent: 3787701 (1974-01-01), Thaddey

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