Negative film carrier device

Details Negative film carrier device Negative film carrier device

1982-01-25

1983-08-02

Hayes, Monroe H.

Photocopying

Projection printing and copying cameras

Detailed holder for original

355 76, G03B 2762

Patent

active

043962815

ABSTRACT:
A negative film carrier device comprising a negative film carrier provided with an inherent signal part corresponding to the size of a negative film to be carried and a negative film carrier supporting base provided with a negative film size senser switch which can be operated by the signal part when the negative film carrier is mounted, in order to prevent the misoperation in the case of changing the size of the negative film and to facilitate the automation of the printer.

REFERENCES:
patent: 2552225 (1951-05-01), Simmons et al.
patent: 4161365 (1979-07-01), Anderson et al.
patent: 4313677 (1982-02-01), Stewart
patent: 4353645 (1982-10-01), Kogane et al.

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