Photocopying – Projection printing and copying cameras – Image transferred from individual documents to film strip
Patent
1989-04-06
1990-04-17
Wintercorn, Richard A.
Photocopying
Projection printing and copying cameras
Image transferred from individual documents to film strip
352172, 354218, G03B 2732, G03B 2752, G03B 160
Patent
active
049184857
ABSTRACT:
A roll film camera is disclosed which comprises a supply reel for winding the part of a roll of recording medium yet to be used and a takeup reel for winding the part of the recording medium already used for photographing original images. This camera is constructed so as to be loaded with a plurality of types of recording medium which differs in thickness. The length of the part of the recording medium yet to be used is shown in a displaying part, according to the type of recording medium. When the residual amount of the recording medium of a given type decreases below a prescribed length, an alarm is issued which prompts the operator to make preparation for the loading of a new recording medium.
REFERENCES:
patent: 3816842 (1974-06-01), Glaros et al.
patent: 4576455 (1986-03-01), Fazekas
patent: 4758851 (1988-07-01), Zeth
Fukumoto Fumio
Ishii Kenjiro
Nagata Koichi
Shibata Akira
Minolta Camera Kabushiki Kaisha
Wintercorn Richard A.
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