Print element control

Details Print element control Print element control

1986-03-26

1987-08-04

Sewell, Paul T.

Printing

Selective or progressive

Bed and platen machines

101 9309, 400121, 400322, B41J 312

Patent

active

046838180

ABSTRACT:
A control for a dot matrix shuttle printer executing a sinusoidal velocity traversal across a line on a print medium comprises calculating the instantaneous position locations of the print elements during such traversal by making use of a lookup table. A dot image buffer stores information signals representing an entire line of desired dots to be printed. The calculated positions location information and the information signals are used to cause the desired dots to be printed in spatial sequence across a dot line at desired locations at the appropriate time during shuttle motion.

REFERENCES:
patent: 4049997 (1977-09-01), McGhee
patent: 4090206 (1978-05-01), Pfeifer
patent: 4116567 (1978-09-01), San Pietro
patent: 4204777 (1980-05-01), Jen
patent: 4213714 (1980-07-01), Jones et al.
patent: 4284001 (1981-08-01), Leontiades
patent: 4330142 (1981-11-01), Kos
patent: 4415286 (1983-11-01), Jennings
patent: 4461984 (1984-07-01), Whitaker et al.
patent: 4480541 (1984-11-01), Grummett
patent: 4507002 (1985-03-01), Matsumoto et al.
Hewlett-Packard Journal, by E. M. Baily et al., Nov. 1978, pp. 23-31.

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