Ink-jet type recorder having an ink carrier and letting ink by combined heat and eletrostatic force
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United States of America Patent
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Aug 13, 1996
Issued Date -
N/A
app pub date -
Mar 9, 1995
filing date -
Nov 13, 1991
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The present invention discloses an ink-jet type recorder that forms an ink image on a recording medium comprising a porous ink carrier withholding ink in the pores, an ink tank at a soaking position a transferring device for transferring ink carrier from the soaking position to a recording position where the ink carrier and the recording medium face each other, a heating device for heating the ink withheld in pores of the ink carrier to a certain temperature, the heating device including a contact heater which is in contact with the ink carrier at the recording position so as to conduct heat from the contact heater to the withheld ink, and the certain temperature being sufficiently high to lower the viscosity of the ink but insufficiently high to boil the ink, and an electric field generating device for generating an electric field in order to activate an electrostatic force in such a way that the ink is attracted onto the recording medium from the ink carrier. In one embodiment, the electric field generating device includes an electrode in contact with the porous member between the soaking position and the recording position. In a further embodiment, the ink carrier is fixedly provided and extends from the soaking position to the recording position.
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