Recorders – Performance of multiple functions of steam and gas engines – Pressure responsive element
Patent
1975-11-28
1977-03-15
Hartary, Joseph W.
Recorders
Performance of multiple functions of steam and gas engines
Pressure responsive element
346 75, G01D 1800
Patent
active
040127451
ABSTRACT:
An improved system for determining the optimal phase time to charge a liquid stream emitted from a jet as it evolves in form from a continuum to a separatuum of droplets wherein the optimal time for achieving the desired level of charge on a given droplet may be had by applying the charge immediately prior to break-off of droplets. A particular use of the system is in an ink jet droplet apparatus having a controlled liquid stream of ink that is separated into droplets by a sonic transducer and then charged by a pair of charging plates in a dynamically controlled manner at an optimal phase time as correctably tested by the system for subsequent static deflection of the charged droplets to a desired portion of a document to form printed characters.
REFERENCES:
patent: 3596276 (1971-07-01), Lovelady
patent: 3769630 (1973-10-01), Hill et al.
patent: 3769632 (1973-10-01), Jolisburger et al.
patent: 3898673 (1975-08-01), Haskell
Brown Michael K.
Bullis Leonard P.
Lundquist David E.
McGregor Arvin D.
Burroughs Corporation
Fissell, Jr. Carl
Hartary Joseph W.
Taylor Ronald L.
Tuttle Robert C. J.
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