Veb Kombinat Polygraph 'werner Lamberz Leipzig'

Veb Kombinat Polygraph 'werner Lamberz'

Volkmar Dittrich

Volker Eichler

Karl-Heinz Foerster

Hartmut Heiber

Falk Buschmann

In a control device for a cyclically operating printing machine, operative for generating time pulses or signals for activating functional units of the printing machine and comprising a pulse generating device, the pulse generating device is formed by an angular encoder connected to a cycle shaft of the machine, and the pulse processing circuit includes a circuit for generating binary addresses corresponding to a rotary speed of the cycle shaft storing predetermined time signals and having addressing inputs, and a PROM memory connected to the circuit for generating binary addresses.

Time pulse generating control device for cyclically operating printing

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.

Timing device for printing machines

A device for generating timing pulses for a rotary printing machine includes generators for generating synchronizing pulses and a pulse sequence corresponding to increments of angle of rotation of the machine. A pulse processing circuit includes address counters connected to the pulse generating means and being preset by an address presetting device. The output of the one address counter is connected to a PROM storing predetermined sequences of timing pulses. In order to provide for shifting of the stored timing pulse sequences in a negative direction, an inverting member is connected in the data bus between the rotary speed counter and the address presetting device of the one address counter. The inverting member can include either negators or storing means programmed with complementary values.

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Coswig, Germany

Volkmar Dittrich