Suppression of cross-coupling in multi-orifice pressure pulse dr

Details Suppression of cross-coupling in multi-orifice pressure pulse dr Suppression of cross-coupling in multi-orifice pressure pulse dr

1978-11-24

1980-07-29

Miller, Jr., George H.

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G01D 1518

Patent

active

042153549

ABSTRACT:
In a multi-orifice drop-ejecting system, several fluidic circuits are connected by fluid passages, for example, to a common fluid supply or to the interconnections required in a fluid coincidence system. A pressure pulse directed to one fluid channel can, through "cross-coupling", be transmitted to another channel causing drop ejection where there should have been none. A system is described for reducing or eliminating this cross-coupling by the establishment of high flow-impedance areas within the fluid circuits.

REFERENCES:
patent: 4024544 (1977-05-01), Vernon
patent: 4104645 (1978-08-01), Fischbeck
patent: 4121227 (1978-10-01), Fischbeck et al.

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