Timing device for printing machines

Details Timing device for printing machines Timing device for printing machines

1984-06-25

1987-04-28

Gruber, Felix D.

Boots, shoes, and leggings

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

Patent

active

046619186

ABSTRACT:
A timing device for controlling the operation of printing machines comprises: an encoder disc for generating pulses correspnding to angular increments during one rotation of the machine; at least one encoder disc for generating a singular synchronizing or reference signal; address generating means including a counter reset by the singular synchronizing pulse and counting the angular increments to continuously produce a bindary coded address at its outputs; a second counter coupled to the encoder of angular increments via an AND-gate controlled by a monostable multivibrator to produce at its outputs a binary coded address corresponding to the rotary speed of the printing machine. The addresses from respective counters are fed via corresponding data buses to address inputs of a programmable read only memory. From the outputs of the PROM timing output signals are read out as a function of the angular position of the machine or the function of the angular position and of the rotary speed of the machine.

REFERENCES:
patent: 4116125 (1978-09-01), Forster et al.
patent: 4181962 (1980-01-01), West, Jr. et al.
patent: 4496989 (1985-01-01), Hirosawa
patent: 4501008 (1985-02-01), Rosseel et al.
patent: 4511797 (1985-04-01), Pohlig et al.
patent: 4549260 (1985-10-01), Saito et al.

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