Recorders – Markers and/or driving means therefor – With ink supply to marker
Patent
1996-08-16
1998-04-28
Hartary, Joseph W.
Recorders
Markers and/or driving means therefor
With ink supply to marker
B41J 2005
Patent
active
057451281
ABSTRACT:
An ink transfer printing device in which ink transfer is driven by a viscosity change in ink. The ink transfer printing device includes an ink reservoir for retaining ink held under pressure. The ink reservoir is associated with an ink transfer surface which has a plurality of perforations. Under ambient conditions, the viscosity of the ink prevents flow of the ink through the perforations. The ink transfer printing device also includes a viscosity control unit for inducing a change in the viscosity of the ink near certain perforations thereby enabling a controlled amount of the ink near each of these certain perforations to flow through these certain perforations to an outer surface of the ink transfer surface. The ink which has flowed onto the outer surface can then be transferred to an intermediate surface or a printing media. A method for viscosity-driven ink transfer printing is also disclosed. The present invention enables a printer, a copier, or the like to provide low cost, high speed, high resolution printed images.
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Lam Si-Ty
You Young-Soo
Croll Timothy Rex
Hartary Joseph W.
Hewlett -Packard Company
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