Recorders – Performance of multiple functions of steam and gas engines – Pressure responsive element
Patent
1988-05-04
1989-07-18
Hartary, Joseph W.
Recorders
Performance of multiple functions of steam and gas engines
Pressure responsive element
68205R, 118315, 346 75, 427280, G01D 1516
Patent
active
048497681
ABSTRACT:
The fluid jet applicator of the present invention utilizes a piezoelectric crystal to artificially stimulate the fluid supply chamber with coherent acoustic energy to pruposely generate and exploit the acoustic standing waves therein. As a result, although sized droplets will be formed at substantially the same frequency from each orifice, individual droplets will be formed so as to be out of phase with its adjacent neighbors in accordance with the standing acoustic wave pattern. By selecting only a very short print time, e.g., such that only one or two drops are formed within such a time and by controlling the frequency of such print time, a wide range of aesthetically appealing, unique, random interference of patterns can be created. Patterns closely simulating natural wood grains including knot holes can be readily produced by the present invention. More, the present invention allows patterns to be modified with relative ease and remarkable flexibility.
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Burlington Industries Inc.
Hartary Joseph W.
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