Method of and apparatus for ascertaining the characteristics of

Details Method of and apparatus for ascertaining the characteristics of Method of and apparatus for ascertaining the characteristics of

1992-05-05

1994-04-12

Hayes, Monroe H.

Photocopying

Projection printing and copying cameras

Identifying, composing, or selecting

355 38, 355 68, 355 69, 355 1, G03B 2752

Patent

active

053030001

ABSTRACT:
Strips of coherent, exposed and developed film frames are advanced past, and discrete frames are placed onto, a window at a monitoring station where successive increments of the film frames are monitored by a device having photocells forming at least one row which extends transversely of the path of advancement of strips. The monitoring device is at a standstill during advancement of strips but is transported past a discrete frame at the monitoring station. Such monitoring device can ascertain the density of film frames, and its photocells generate signals which are used to image the frames onto photographic paper.

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patent: 5093682 (1992-03-01), Hicks

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