H - Electricity – 04 – L
Patent
H - Electricity
04
L
354/236.131
H04L 13/08 (2006.01) B41J 3/04 (1980.01)
Patent
CA 1086654
CONTROL APPARATUS FOR SERIAL PRINTER ABSTRACT OF THE DISCLOSURE A serial printer comprises a carriage, a print member rotatably mounted to the carriage and including a plurality of character elements, a first drive assembly coupled to the print member for rotating the print member to a desired rotational position in order to place a selected character element at a printing position adjacent a record medium to be printed upon, a second drive assembly coupled to the carriage for moving the carriage along a predetermined path whereby the print member is caused to move to a desired printing position along the path, a first servo control system coupled to the first drive assembly and responsive to a first set of input data and instructions for controlling the direction and speed of rotation of the print member, a second servo control system coupled to the second drive assembly and responsive to a second set of input data and instructions for controlling the direction and speed of movement of the carriage, and a programmed data processor coupled to the first and second servo control systems for supplying at least some of the first set of input data and instructions under program control to the first servo control system and at least some of the second set of data and in- structions to the second servo control system.
325439
Chang Louis H.
Fravel John C.
Ruble Frank D.
Sim & Mcburney
Xerox Corporation
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