Recorders – Markers and/or driving means therefor – With ink supply to marker
Patent
1980-06-18
1982-06-01
Hartary, Joseph W.
Recorders
Markers and/or driving means therefor
With ink supply to marker
G01D 1518
Patent
active
043330860
ABSTRACT:
Ink is supplied into a discharge passageway (46) which tapers inwardly from the inlet (47) to the outlet (48) thereof with insufficient pressure to cause the ink to be ejected from the passageway (46). Inlet and outlet electrodes (49), (51) are provided at the inlet (47) and outlet (48) of the passageway (46) respectively. Another electrode (52) is provided external of the passageway (46). An electric potential is applied between the inlet and outlet electrodes (49), (51) to polarize the ink in the passageway (46). An opposite electric potential is applied to the external electrode (52) to cause the ink to be electrically attracted and discharged from the passageway (46) onto a sheet of paper (53) for printing. The external electrode (52) may be disposed either in front of or behind the sheet (53).
REFERENCES:
patent: 3060429 (1962-10-01), Winston
patent: 3553719 (1971-01-01), Miyazaki
patent: 3750564 (1973-08-01), Bettin
patent: 3787879 (1974-01-01), Ichioka
patent: 3911448 (1975-10-01), Ohno
patent: 4263601 (1981-04-01), Nishimura
Alexander David G.
Hartary Joseph W.
Ricoh & Company, Ltd.
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