Microprocessor controlled photographic paper cutter

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83371, B26D 538

Patent

active

041288874

ABSTRACT:
The operation of an automatic photographic paper cutter is controlled by a programmable digital processor such as the microprocessor. The microprocessor controls the paper feed, the knife assembly, the display, and other related operations of the automatic paper cutter as a function of a step status signal which indicates whether the stepper motor paper drive has taken a step, a cut status signal which indicates whether a cut mark on the paper has been sensed, and stored control information.

REFERENCES:
patent: 3811768 (1974-05-01), Zahn et al.
patent: 3813976 (1974-06-01), Greer
patent: 3933069 (1976-01-01), Tall et al.
patent: 3992965 (1976-11-01), Hell et al.
patent: 4020406 (1977-04-01), Tokuno et al.
patent: 4034635 (1977-07-01), Woolston

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