Recorders – Markers and/or driving means therefor – With ink supply to marker
Patent
1997-08-27
1999-12-28
Le, N.
Recorders
Markers and/or driving means therefor
With ink supply to marker
G01D 1518
Patent
active
060088257
ABSTRACT:
A microfluidic printing apparatus includes at least one ink reservoir; a structure defining a plurality of chambers arranged so that the chambers form an array with each chamber being arranged to form an ink pixel; a plurality of microchannels connecting the reservoir to a chamber; and a plurality of microfluidic pumps each being associated with a single microchannel for supplying ink from an ink reservoir through a microchannel for delivery to a particular chamber. The printing apparatus provides an electrical signal representing the orientation of the printing apparatus; and control circuit responsive to the electrical signal and for controlling the microfluidic pumps for causing an array of pixels to be printed when the microfluidic pumps supply ink through the microchannels to the chambers so that the correct amount of ink is delivered into each chamber.
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patent: 5603351 (1997-02-01), Cherukuri et al.
patent: 5611847 (1997-03-01), Guistina et al.
Dasgupta et al., see "Electroosmosis: A Reliable Fluid Propulsion System for Flow Injection Analyses", Anal. Chem. 66, pp. 1792-1798 (1994).
DeBoer Charles D.
Fassler Werner
Wen Xin
Eastman Kodak Company
Le N.
Nguyen Lamson D.
Owens Raymond L.
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