Printing method for dot impact type serial printer

Details Printing method for dot impact type serial printer Printing method for dot impact type serial printer

1993-05-05

1994-05-10

Burr, Edgard S.

Typewriting machines

Typing by other than type-face or type-die

Character formation by impact

400661, 400689, B41J 222, B41J 2910

Patent

active

053102703

ABSTRACT:
A dot impact type serial printer is provided with a print head which has a plurality of print wires for printing an image. The print wires required to print a particular image are thrust toward a platen successively upon receiving a print timing signal, where each print timing signal is delayed from the previous print timing signal by a predetermined time interval t. The delay of each print timing signal is based on the time required for a surface wave, caused by the impact of print wires on the platen, to pass lengthwise across the platen and is selected to be less than one-half the surface wave travel time.

REFERENCES:
patent: 4247213 (1981-01-01), Wurscher
patent: 4887923 (1989-12-01), Ishikawa et al.
patent: 4984917 (1991-01-01), Hauslaib et al.
patent: 5048984 (1991-09-01), Kringe et al.

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