Method and apparatus for controlling a printer

Details Method and apparatus for controlling a printer Method and apparatus for controlling a printer

1981-11-02

1983-06-28

Coven, Edward M.

Printing

Selective or progressive

Bed and platen machines

101 9303, 346 76PH, 4001573, 400166, 400120, B41J 792, B41J 770

Patent

active

043899358

ABSTRACT:
A method and apparatus for controlling a printer of the type having plural print heads, each being selectively energizable to print an indicium whose relative intensity is determined by the duration of energization of that printer. Data representing the intensity of the indicia to be printed by each of the print heads is received and stored. Respective ones of the print heads are selectively energized over time durations determined by the data. The number of print heads which are energized is detected, and the duration that the respective print heads are energized is varied as a function of the number of print heads which are concurrently energized.

REFERENCES:
patent: 3934695 (1976-01-01), Kovalick
patent: 4071849 (1978-01-01), Koyano et al.
patent: 4162131 (1979-07-01), Carson et al.
patent: 4168421 (1979-09-01), Ito
patent: 4205359 (1980-05-01), Shortridge
patent: 4219824 (1980-08-01), Asai
patent: 4268838 (1981-05-01), Nakano et al.
patent: 4280404 (1981-07-01), Barrus et al.
Barron et al., IBM Tech. Discl. Bulletin, vol. 19, No. 8, Jan., 1977, pp. 3107-3108.

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