G - Physics – 03 – B
Patent
G - Physics
03
B
G03B 27/62 (2006.01) G03D 13/02 (2006.01) G03D 13/12 (2006.01) G03D 15/08 (2006.01)
Patent
CA 2124642
A negative film masking system for use in a photographic processing and printing machine comprises a negative film masking assembly consisiting mainly of a masking and a negative film hold-down and a masking mount to which the negative film masking assembly is loaded, where photographic prints are produced from a negative film loaded in the negative film masking assembly and having standard size frames and panoramic size frames in random combination, the panoramic size frame designated by masking both widthwise edges of the film in shooting to make two unexposed regions in a standard frame. The negative film masking system further comprises a four-sided film gate aperture in the masking which is identical in the size to the panoramic size frame, a four-sided film gate aperture in the negative film hold-down which is identical in the size to the four-sided film gate aperture of the masking, detecting apertures in particular positions of the masking which are off the four-sided film gate aperture and in the unexposed regions for the panoramic size frame and detecting aperture in the negative film hold-down which communicate with the detecting apertures of the masking.
Ikehara Hiroaki
Oka Noriyuki
Macrae & Co.
Noritsu Koki Co. Ltd.
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