Method of producing synchronising marks on film for...

G - Physics – 03 – C

Patent

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95/32.8

G03C 1/00 (2006.01) G03B 27/475 (2006.01) G03B 27/52 (2006.01)

Patent

CA 1101720

ABSTRACT OF THE DISCLOSURE The specification describes a cinematograph film and a method of exposing the film for continuous motion projection. .The method consists of exposing a track of film frames to make a cinematograph record on the film, and exposing a track of optical synchronising marks parallel to the film frame track. Each synchronising mark corresponds to a pertinent respective film frame and is exposed in the same operation as the pertinent film frame.

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