Timing device for printing machines

Details Timing device for printing machines Timing device for printing machines

1984-06-25

1987-05-12

Gruber, Felix D.

Boots, shoes, and leggings

101184, 364523, G04G 300, G05B 1126, B41F 500

Patent

active

046654984

ABSTRACT:
A central timing device for controlling a plurality of working functions of a printing machine, includes a reference pulse generator, assembled to encoder discs connected to a cycle shaft of the printing machine to produce a sequence of angular increment pulses and at least one single synchronizing pulse. The reference pulse generator is connected to a pulse processing circuit which includes a first address coding device for producing binary coded addresses pertaining to angles of rotation of the machine. A second address coding device is coupled to the encoder for angular increments via a timing circuit including an AND-gate and a monostable multivibrator to produce binary coded addresses pertaining to the angle of rotation/rotary speed of the printing machine. The outputs of the first and second address generating devices are connected to addressing inputs of separate PROMs preprogrammed with desired timing signals.

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patent: 4511797 (1985-04-01), Pohlig et al.
patent: 4549260 (1985-10-01), Saito et al.

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