Tonight searching for ideas like Mod-8 Film. Found some! Invention ideas are like film script story ideas, the same ones keep coming up so often! I may however be building the first camera? I am building it because I want to film this way so knowing I am not alone in this way of thinking is reassuring!
"Sprocketless Film Camera" topic, 2013, in "FilmShooting Forum"
https://filmshooting.com/forum/viewtopic.php?t=24342
Very much the same concept, right down to discussing a possible frame size that is close to my diagram:
"wado1942" wrote
"...If you want to shoot 16:9, you can do it without cropping as well since you could probably get a 7.5mm x 4.2mm image...".
I am proposing 7.3mm x 4.1mm
Excellent discussion with good creativity happening. No sign of this getting as far as a working camera so I could still score a first there.
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Doing a google patent search finds
“Non-sprocketed microfilm stepping device”
https://patents.google.com/patent/US3248029A
1963, James B Money, IBM
"...It is therefore an object of the present invention to provide a novel microfilm positioning system which is capable of positioning not only sprocketed microfilm, but non-sprocketed microfilm as well..."
Patents expire after 20 years so this patent is helpful rather than a barrier.
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