Report of the Subcommittee on Projector Sprocket Design

It has long been known that the projection life of film could be increased considerably if the intermittent sprockets used were at least as large or larger than that required to give perfect mesh with the film being driven. It is on this basis that the SMPE standard sprocket was designed.

Print ISSN
Published
1945-08
Content type
Original Research
DOI
10.5594/J12845