Printing methods and apparatus

Details Printing methods and apparatus Printing methods and apparatus

1976-06-17

1977-10-25

Coven, Edward M.

Printing

Selective or progressive

Bed and platen machines

101111, 101 9301, 101 9309, B41J 120

Patent

active

040551172

ABSTRACT:
In printing apparatus in which a line of characters is printed on a record medium, by means of differentially timed operation of a line of print hammers, as the characters pass predetermined columnar positions of the record medium, the character font size can be changed. On each change of front size, a control circuit adjusts the timing of the actuation of the hammers so that the number of printing cycles necessary to print a line of characters is varied according to the font size used.

REFERENCES:
patent: 3247788 (1966-04-01), Wilkins et al.
patent: 3289576 (1966-12-01), Bloom et al.
patent: 3629861 (1971-12-01), Marsh et al.
patent: 3630335 (1971-12-01), Chamness
patent: 3672297 (1972-06-01), Berglund et al.
patent: 3880075 (1975-04-01), Bovett et al.
patent: 3952648 (1976-04-01), Sery et al.

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