Method and microfilm camera for detecting codes applied to origi

Details Method and microfilm camera for detecting codes applied to origi Method and microfilm camera for detecting codes applied to origi

1988-02-24

1989-04-04

Hix, L. T.

Photocopying

Projection printing and copying cameras

Identifying, composing, or selecting

355 64, 355 77, G03B 2752

Patent

active

048190349

ABSTRACT:
A method and a microfilm camera for detecting codes applied to original copies being screened in the camera in which a code reader detects the codes, and a counter and comparison device is provided, which is connected to the code reader and is adjusted to a predetermined number of the copies. Two intermediate memories are connected to the counter and comparison device. The memories count and store marks for the blip types and codes from the code reader, respectively. The code value, the blip mark value and the copy number value are compared in the counter and comparison device and when coincide, a copy supply which was previously stopped is switched on again.

REFERENCES:
patent: 4116560 (1978-09-01), Dragani et al.
patent: 4577956 (1986-03-01), Klostahuber et al.
patent: 4757352 (1988-07-01), Weinzierl et al.

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