Title:
INK JET AT COINCIDENT GATE
Document Type and Number:
Japanese Patent JPS5579176
Kind Code:
A
Abstract:
In a coincidence vector gate ink jet, a droplet is expressed from an outlet orifice by a coincident pressure produced by a pair of transducers at an outlet orifice. In this type of ink jet, it is normal for one of a cooperating pair of transducers to be activated in a non-coincident mode. In the non-coincident mode, a droplet is not expressed from an outlet orifice as long as the pressure produced by the one transducer remains below a given threshold. A pressure absorbing chamber is provided which permits this threshold pressure to be substantially increased to a level substantially above the minimum coincident pressure produced by the pair of transducers to express a droplet from the orifice. This increase in the threshold pressure is an increase in the operating window. A greater operating window permits greater latitudes in manufacturing variation and permits greater latitudes in pressure variation to change the size of a droplet to effect halftoning.
Inventors:
KENESU ETSUCHI FUITSUSHIBETSUK
GANESHIYU ERU HAAPABATSUTO
MAAKASU EMU SHIYUNAA
GANESHIYU ERU HAAPABATSUTO
MAAKASU EMU SHIYUNAA
Application Number:
JP15549479A
Publication Date:
June 14, 1980
Filing Date:
November 30, 1979
Export Citation:
Assignee:
XEROX CORP
International Classes:
B41J2/045; B41J2/055; B41J2/14; B41J2/01; G01D15/18; G06K15/10; (IPC1-7): B41J3/04; G01D15/18; G06K15/02
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