Dot matrix print head

Details Dot matrix print head Dot matrix print head

1991-09-27

1992-06-23

Burr, Edgar S.

Typewriting machines

Typing by other than type-face or type-die

Character formation by impact

101 9305, B41J 2235, B41J 2255

Patent

active

051237598

ABSTRACT:
The present invention provides a compact dot matrix print head comprising a housing internally provided with print wires, electromagnets for driving the print wires, a printed wiring board having a diameter smaller than the outside diameter of the rear end of the housing, fixedly joined to the rear end of the housing and provided with wiring patterns connected to the coils of the electromagnets, connectors connected to the outer surface of the printed wiring board so that the conductors thereof are connected electrically to the wiring patterns, and flexible cables each having one end connected to the connector and the other end connected to a driving unit for driving the electromagnets.

REFERENCES:
patent: 4433927 (1984-02-01), Cavallari
patent: 4723854 (1988-02-01), Sakaida et al.
patent: 4884905 (1989-12-01), Smith
patent: 5009528 (1991-04-01), Horii et al.
patent: 5033885 (1991-07-01), Gugel et al.

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