Apparatus for processing developed photographic films prior to c

Details Apparatus for processing developed photographic films prior to c Apparatus for processing developed photographic films prior to c

1976-10-05

1978-03-21

Griffin, Donald A.

Photocopying

Projection printing and copying cameras

Multicolor picture

G03B 2778

Patent

active

040800610

ABSTRACT:
Groups of several successive film frames of an exposed and developed photographic film are examined seriatim at an inspecting station which is located ahead of an encoding station or immediately ahead of the copying station in a photographic copying machine. An attendant examines the frames of a group at the inspecting station and actuates one or more buttons on a control panel in order to produce signals which are indicative of necessary adjustment of exposure controls for copying of certain frames. The buttons are actuated subsequent to depression of selected connecting knobs which form a row along the group of frames at the inspecting station and whose mutual spacing is less than the length of a frame; this insures that at least one knob is in register with each frame of a group at the inspecting station. The depression of a knob insures that the buttons on the control panel can transmit signals to the corresponding stage of a shift register. The stored signals are advanced through successive stages of the shift register, and the last stage transmits the signals to the encoding mechanism at the encoding station or directly to the exposure controls of the copying machine, always simultaneously with arrival of the corresponding film frame at the encoding or copying station.

REFERENCES:
patent: RE28046 (1974-06-01), Renold
patent: 3094035 (1963-06-01), Baasner
patent: 3674365 (1972-07-01), Kohler et al.
patent: 3829214 (1974-08-01), Zahn et al.
patent: 3898002 (1975-08-01), Kinder et al.

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