Typewriting machines – Including selection of type-face by...
Patent
1976-05-03
1978-05-30
Sewell, Paul T.
Typewriting machines
Including selection of type-face by...
364900, 4001442, B41J 130
Patent
active
040919110
ABSTRACT:
A serial printer comprises a carriage, a print member rotatably mounted to the carriage and including a plurality of character elements, a first drive 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 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 coupled to the first drive means and responsive to a first set of input data and instructions for controlling the direction and speed of rotation of the print member, second servo control means coupled to the second drive 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 system 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 instructions to the second servo control system.
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Chang Louis H.
Fravel John C.
Herendeen Carl E.
Ruble Frank D.
Sewell Paul T.
Smith Barry Paul
Xerox Corporation
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