Recorders – Markers and/or driving means therefor – With ink supply to marker
Patent
1982-01-04
1984-07-10
Hartary, Joseph W.
Recorders
Markers and/or driving means therefor
With ink supply to marker
G01D 1518
Patent
active
044596014
ABSTRACT:
An ink jet includes a variable volume chamber with an ink droplet ejecting orifice. The volume of the chamber is varied by a transducer which expands and contracts in a direction having at least a component extending parallel with the axis ink droplet ejection from the orifice. The transducer communicates with a moveable wall of the chamber which has a sufficiently small area such that the difference in the pressure pulse transit times from each point on the wall to the ink droplet ejection orifice is less than 1 microsecond.
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Lee et al., High-Speed Droplet Generator, IBM TDB vol. 15, No. 3, Aug. 1972, p. 909.
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Exxon Research and Engineering Co.
Hartary Joseph W.
Norris Norman L.
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