Recorders – Markers and/or driving means therefor – With ink supply to marker
Patent
1992-12-27
1993-06-01
Grimley, A. T.
Recorders
Markers and/or driving means therefor
With ink supply to marker
400126, B41J 2045
Patent
active
052164519
ABSTRACT:
The free ink surface levels of acoustic ink printers are controlled by cap structures that have substantially non-retroreflective aperture configurations. The non-retroreflective configurations of the apertures of these cap structures cause diffusive scattering or directional deflection of the reflected surface ripple waves, thereby significantly reducing the time that is required for the oscillatory perturbations, which are caused by reflection of the surface ripple waves that are generated during the droplet ejection process, to dissipate to a negligibly low amplitude in the critical local areas of the ejection sites. This, in turn, increases the droplet ejection rates at which printers having such cap structures can be operated asynchronously.
REFERENCES:
patent: 4751530 (1988-06-01), Elrod et al.
patent: 5028937 (1991-07-01), Khuri-Yakub et al.
patent: 5041849 (1991-08-01), Quate et al.
Elrod Scott A.
Hadimioglu Babur B.
Khuri-Yakub Butrus T.
Quate Calvin F.
Rawson Eric G.
Barlow Jr. J. E.
Grimley A. T.
Xerox Corporation
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