Recorders – Printing – dotting – or punching marker – Ink transfer support or moving means
Patent
1977-07-26
1979-04-24
Lucas, Jay P.
Recorders
Printing, dotting, or punching marker
Ink transfer support or moving means
346 29, 346139C, G03G 1700
Patent
active
041515366
ABSTRACT:
A writing head overlying a recording medium, in the form of a sheet with edges respectively extending in mutually orthogonal directions X and Y, carries a linear array of equispaced electrodes extending in the X direction over a fraction of the width of the sheet. The writing head is displaceable in the Y direction along a supporting bar which in turn may be moved in the X direction. A control unit commands the selective energization of these electrodes to record a dot pattern as the writing head moves in the Y direction to sweep a column of dot positions, the column being wide enough to accommodate several alphanumerical characters and/or graphic symbols read out on a line-by-line basis from a plurality of memory sections. With at least one additional linear electrode array on the writing head, generally transverse to the X direction, heavy lines or curves may be traced on the recording medium.
REFERENCES:
patent: 2933559 (1960-04-01), Campbell
patent: 3119919 (1964-01-01), Pratt
patent: 3413647 (1968-11-01), Polster
patent: 3436476 (1969-04-01), Bixby
patent: 3553714 (1971-01-01), Birken
patent: 3732573 (1973-05-01), Merka
Compagnie d'Informatique Militaire Spatiale et Aeronautique
Lucas Jay P.
Ross Karl F.
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