Control system for printing machines

Details Control system for printing machines Control system for printing machines

1980-06-16

1984-02-21

Chan, Eddie P.

Electrical pulse counters, pulse dividers, or shift registers: c

Applications

Control

377 8, 377 16, 377 54, 364469, G06F 738

Patent

active

044334265

ABSTRACT:
The control system for periodically synchronizing in a sequential order the operation of a plurality of control elements of a printing machine comprises a control shift register having an input coupled to a fine timing device for generating synchronizing pulses corresponding to predetermined angular positions of the machine and another input connected to a sheet feeding control device. The outputs of a predetermined number of first stages in the control shift register are connected to a gating nonoperative time compensator, the control inputs of which are connected to the rotary speed detector and the output of which is connected to an assigned operation control element in the machine. A transfer shift register is connected in series with the control shift register or with the output of the dead time compensator.

REFERENCES:
patent: 3870868 (1975-03-01), Jones
patent: 3944794 (1976-03-01), Reehil et al.
patent: 4117316 (1978-09-01), Honkawa

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