Carriage position control in a printer of the carriage traveling

Details Carriage position control in a printer of the carriage traveling Carriage position control in a printer of the carriage traveling

1978-01-18

1980-06-17

Pieprz, William

Typewriting machines

Typing by other than type-face or type-die

Character formation by impact

400322, 101 9315, 346 75, 318685, B41J 304, B41J 1930, B41J 1950

Patent

active

042081394

ABSTRACT:
A detection means is provided for generating an analog signal in response to a rotation angle of a servomotor which drives a carriage in a printer. A servomotor drive circuit is responsive to a print command from an input means and the analog signal from the detection means, whereby the carriage is driven to travel forward upon receipt of the print command and to stop upon receipt of a print termination signal. The carriage is then held stationary at a predetermined position suitable for the next character to be printed as determined by the rotation angle of the servomotor which is fed back to the servomotor drive circuit.

REFERENCES:
patent: 3353483 (1967-11-01), Foley
patent: 3443181 (1969-05-01), Kozol et al.
patent: 3586953 (1971-06-01), Markkanen et al.
patent: 3715021 (1973-02-01), Caspari
patent: 3772514 (1973-11-01), Sunderland
patent: 3789971 (1974-02-01), Deyesso et al.
patent: 3822097 (1974-07-01), Allington
patent: 3831728 (1974-08-01), Woods et al.
patent: 3834505 (1974-09-01), Fowler et al.
patent: 3837457 (1974-09-01), Anglin et al.
patent: 3845378 (1974-10-01), Hendrickson et al.
patent: 3925787 (1975-12-01), Suzuki

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