Detection device and method to locate film

Details Detection device and method to locate film Detection device and method to locate film

1995-08-25

1997-08-19

Adams, Russell E.

Photography

With film drive

Film movement limiting means

396398, 396403, G03B 118, G03B 100

Patent

active

056598319

ABSTRACT:
A detection apparatus for locating a film position detects the position with a simple structure. The apparatus uses a plurality of position detection holes for each picture frame in a film. The holes are repeatedly formed in the film in a certain arrangement and correspond to detection bodies located in the camera. The device includes a signal output circuit generating signals indicative of the proper or improper positioning of the film based on alignment between the holes and the detection bodies.

REFERENCES:
patent: 4972214 (1990-11-01), Shibayama et al.
patent: 5023640 (1991-06-01), Diehl
patent: 5136314 (1992-08-01), Kazami et al.
patent: 5398090 (1995-03-01), Ezawa
patent: 5410380 (1995-04-01), Kawamura et al.

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