Series-parallel print mechanism for printer

Details Series-parallel print mechanism for printer Series-parallel print mechanism for printer

1979-09-25

1981-10-13

Sewell, Paul T.

Typewriting machines

Annular typewriter

101 9304, 346162, B41J 310, B41J 316

Patent

active

042945518

ABSTRACT:
A print mechanism of the series-parallel type for a line printer permits the displacement at a substantially constant speed of an electrode holder carrying in electrodes each of which can print k consecutive points of a line. An electrical signal for the control of printing by electrodes is supplied by a photodetector which intercepts the light emitted by a light source through one of the k holes in a movable plate, whose displacement is linked with that of the electrode holder.

REFERENCES:
patent: 3644931 (1972-02-01), Stringer et al.
patent: 3797387 (1974-03-01), Decker et al.
patent: 4024506 (1977-05-01), Spaargaren

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