Recording/control arrangement for a dot recording machine

Details Recording/control arrangement for a dot recording machine Recording/control arrangement for a dot recording machine

1978-06-12

1980-05-06

Sewell, Paul T.

Typewriting machines

Typing by other than type-face or type-die

Character formation by impact

400124, B41J 310

Patent

active

042014883

ABSTRACT:
A dot printing matrix head having printing elements on multiple rows and columns is moved so the columns of the head are translated relative to a medium on which characters are printed. The elements have a predetermined arrangement so that: (1) in each column and row there is at least one element, and (2) there are no elements in adjoining row positions whereby there is no interference between the elements in response to simultaneous activation of any pair of the elements. The elements in different columns of the matrix are activated at differing times in response to signals from at least one shift register bank, a data bit generator and a shift column control circuit as the different matrix columns become aligned with the same column of dots to be printed.

REFERENCES:
patent: 3157456 (1964-11-01), Kikuchi
patent: 3890623 (1975-06-01), Schmid et al.
patent: 4024506 (1977-05-01), Spaargaren
patent: 4070680 (1978-01-01), Shelley

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