Servo control system for carriage of matrix printer

Details Servo control system for carriage of matrix printer Servo control system for carriage of matrix printer

1982-04-21

1984-07-10

Sewell, Paul T.

Typewriting machines

Typing by other than type-face or type-die

Character formation by impact

400124, 400229, 400322, B41J 312

Patent

active

044590504

ABSTRACT:
A servo control system for the carriage of a matrix impact printer allows printing to occur during both acceleration and deceleration of the carriage. This is especially useful where the carriage is transporting several ribbon cartridges of different colors. In addition, printing may occur during the midrange portion of the carriage which is driven at a variable velocity to compensate for differences in printing and resolution requirements.

REFERENCES:
patent: 4280767 (1981-07-01), Heath
patent: 4326813 (1982-04-01), Lomicka et al.
IBM Tech. Disc. Bulletin, by D. W. Skinner et al., vol. 21, No. 5, Oct. 1978, pp. 1828-1829, 400-240.4.

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