Arrangement for normalized indication of printing ink supply hav

Details Arrangement for normalized indication of printing ink supply hav Arrangement for normalized indication of printing ink supply hav

1986-08-18

1988-08-23

Fisher, J. Reed

Printing

Inkers

Roller

101DIG6, B41F 3106, B41F 3114, B41F 3134

Patent

active

047652411

ABSTRACT:
A method of providing a normalized indication of the printing ink supply to a printing station of a printing machine, which includes main and ductor roller motors respectively operating at a first and a second speed, comprises generating first and second pulse trains having first and second pulse frequencies respectively proportional to the first and second speeds; forming a ratio of the first and second frequencies at predetermined time intervals; storing the thus formed ratio; and displaying the stored ratio. An arrangement for performing the above method includes first and second incremental digital transducers, a first counter having a counting input connected through a first gate circuit to an output of the first transducer and an output which is activated when a settable counting volume has been reached, a second counter having a counting input connected through a second gate circuit to the output of the second transducer and an output connected to a digital storage device, and a triggering circuit having inputs connected to the outputs of the first transducer and of the first counter, the triggering circuit generating a start/stop signal and a resetting signal which are respectively supplied to control inputs of the first and second gate circuits and to resetting inputs of the first and second counters.

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