Typewriting machines – Including type-set-assemblage mounted on carrier and... – Imprint by movement of record-medium against type-face
Patent
1987-08-06
1989-03-28
Pieprz, William
Typewriting machines
Including type-set-assemblage mounted on carrier and...
Imprint by movement of record-medium against type-face
250231SE, 101 9321, 4001623, B41J 776
Patent
active
048158739
ABSTRACT:
Disclosed is herein an initializing method for printing type rings in a printer having printing type rings, a sensor disc and a detector portion which constitutes a plurality of main detecting portions and an end detecting portion, the printing type rings being stopped in predetemined positions with pulses provided from the sensor upon opposition of the main detecting portions of the sensor disc to the sensor, followed by printing, characterized in that plural pulses provided from the sensor upon rotation of the sensor disc are counted to determine a minimum pulse interval and the pulse counted just after the omission of pulse counting for a period larger than the minimum pulse interval and smaller than the interval between the main detecting portion located at the terminal end and the end detecting portion is judged to be a pulse provided by the end detecting portion opposedly to the sensor, whereupon the printing type rings and the sensor disc are stopped.
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Alps Electric Co. Ltd
Kallman Nathan N.
Pieprz William
Shoup Guy W.
Winters Paul J.
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