Typewriting machines – Safety switch or condition-responsive-cutoff switch for...
Patent
1987-08-14
1988-05-10
Sewell, Paul T.
Typewriting machines
Safety switch or condition-responsive-cutoff switch for...
400124, B41J 2938, B41J 312
Patent
active
047431270
ABSTRACT:
A device for distributive dot printing for a printer including a print medium on which printing by printing head is carried out, a printing head having a plurality of head pins arranged in the vertical direction, a carriage carrying the printing head for transporting the printing head in the horizontal direction, and a carriage transportation control unit for causing the printing head to carry out a plurality of printing actions for each row of the head pins. The distributive dot printing is controlled by a head pin selection unit for selecting predetermined head pins from one row of the head pins in each printing action to cause the printing head to perform distributive dot printing.
REFERENCES:
patent: 4360819 (1982-11-01), Saito
IBM Tech Disc. Bulletin, by B. R. Cavill, vol. 24, No. 11A, Apr. 1982, pp. 5430-5432.
Fujitsu Limited
Sewell Paul T.
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