Circuit arrangement for synchronizing a type carrier in a printe

Details Circuit arrangement for synchronizing a type carrier in a printe Circuit arrangement for synchronizing a type carrier in a printe

1978-04-18

1979-05-22

Robinson, Thomas A.

Telegraphy

Systems

Printing

101 9319, H04L 1534, G06K 1506, B41J 150

Patent

active

041561058

ABSTRACT:
A circuit arrangement is disclosed which compares a preferred position of a type carrier driven by a stepping motor with binary values of signals actuating the stepping motor. If a signal assigned to the preferred position and a signal produced by the binary values of the signals do not coincide, stepping pulse trains are fed to the stepping motor until coincidence is reached. The stepping motor is thereby accelerated in accordance with an acceleration program so that said stepping motor runs with an approximately constant load angle as soon as possible, and that an unequivocal assignment exists between the stepping pulses and the position of the type carrier.

REFERENCES:
patent: 3399753 (1968-09-01), Revelle
patent: 3816656 (1974-06-01), Ludwig
patent: 3823265 (1974-07-01), Ludwig et al.
patent: 4005264 (1977-01-01), Humbs et al.

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