ATE523816T1 - BACKFLOW BINARY IMAGE DEVELOPMENT - Google Patents

BACKFLOW BINARY IMAGE DEVELOPMENT

Info

Publication number
ATE523816T1
ATE523816T1 AT05709117T AT05709117T ATE523816T1 AT E523816 T1 ATE523816 T1 AT E523816T1 AT 05709117 T AT05709117 T AT 05709117T AT 05709117 T AT05709117 T AT 05709117T AT E523816 T1 ATE523816 T1 AT E523816T1
Authority
AT
Austria
Prior art keywords
gap
toner
liquid toner
inlet
binary image
Prior art date
Application number
AT05709117T
Other languages
German (de)
Inventor
Dror Kella
Zvi Cohen
Original Assignee
Hewlett Packard Development Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hewlett Packard Development Co filed Critical Hewlett Packard Development Co
Application granted granted Critical
Publication of ATE523816T1 publication Critical patent/ATE523816T1/en

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G15/00—Apparatus for electrographic processes using a charge pattern
    • G03G15/06—Apparatus for electrographic processes using a charge pattern for developing
    • G03G15/10—Apparatus for electrographic processes using a charge pattern for developing using a liquid developer
    • G03G15/101—Apparatus for electrographic processes using a charge pattern for developing using a liquid developer for wetting the recording material
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G2215/00—Apparatus for electrophotographic processes
    • G03G2215/06—Developing structures, details
    • G03G2215/0634—Developing device
    • G03G2215/0658—Liquid developer devices

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Wet Developing In Electrophotography (AREA)

Abstract

A binary image development printing system (100) using liquid toner, the system comprising: a) a developer member (104) configured so its surface moves in a first direction; b) at least one electrode (106, 108), separated from the developer surface by a gap (110) running part of the way around the developer surface; c) an inlet (111) for introducing the liquid toner into the gap (110); d) a voltage source (109) configured to apply a voltage difference between the electrode (106, 108) and the developer surface, sufficient to cause at least some toner particles in the liquid toner to be deposited in a toner layer (112) on the developer surface, when the liquid toner is introduced into the gap through the inlet (111); and e) a pump (138, 140) which causes a portion of the liquid toner introduced into the gap (110) through the inlet (111) to flow along the gap in a second direction opposite to the first direction, wherein the portion is more than 30% and/or wherein the portion is sufficiently great so that, when the voltage difference is applied, most of the toner particles deposited in the toner layer (112) come from said portion.
AT05709117T 2005-02-22 2005-02-22 BACKFLOW BINARY IMAGE DEVELOPMENT ATE523816T1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/IL2005/000217 WO2006090352A1 (en) 2005-02-22 2005-02-22 Reverse flow binary image development

Publications (1)

Publication Number Publication Date
ATE523816T1 true ATE523816T1 (en) 2011-09-15

Family

ID=34981505

Family Applications (1)

Application Number Title Priority Date Filing Date
AT05709117T ATE523816T1 (en) 2005-02-22 2005-02-22 BACKFLOW BINARY IMAGE DEVELOPMENT

Country Status (4)

Country Link
EP (1) EP1864189B1 (en)
JP (1) JP4603051B2 (en)
AT (1) ATE523816T1 (en)
WO (1) WO2006090352A1 (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2153285B1 (en) 2007-04-30 2018-11-21 Hewlett-Packard Development Company, L.P. Development monitoring method and system
WO2008133628A1 (en) 2007-04-30 2008-11-06 Hewlett-Packard Development Company, L.P. Method and system for active decrease of ghost appearance
US7920810B2 (en) 2007-08-15 2011-04-05 Hewlett-Packard Development Company, L.P. Electrophotography device with electric field applicator
US7792444B2 (en) 2008-05-12 2010-09-07 Hewlett-Packard Development Company, L.P. Method for calibrating BID current in electro-photographic printer
US8874006B2 (en) 2009-08-31 2014-10-28 Hewlett-Packard Development Company, L.P. Liquid marking agent development assemblies, hard imaging devices, and liquid marking agent hard imaging methods
DE102013100843B3 (en) 2013-01-29 2014-02-27 Océ Printing Systems GmbH & Co. KG High-speed digital printer i.e. roll-roll-printer, for printing e.g. web-like recording medium, has dosing unit providing spring unit, which exerts pressure force that is adjustable in direction of developer roller, on dosing roller
WO2016020015A1 (en) * 2014-08-08 2016-02-11 Hewlett-Packard Indigo B.V. Wet null cycle printing
DE102015101851B4 (en) 2015-02-10 2016-10-13 Océ Printing Systems GmbH & Co. KG Method for adjusting the print quality of print images in an electrophoretic digital printer
US10466609B2 (en) 2016-05-09 2019-11-05 Hp Indigo B.V. Empty separation printing
US11016419B2 (en) * 2017-03-13 2021-05-25 Hp Indigo B.V. Printing fluid developer assembly

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS526090B2 (en) * 1971-12-07 1977-02-18
JPS5293340A (en) * 1976-02-02 1977-08-05 Ricoh Co Ltd Electronic photographic picture adjustment
JPS5418751A (en) * 1977-07-13 1979-02-13 Canon Inc Method and apparatus of liquid developing of electrostatic images
JPS5929868B2 (en) * 1978-08-31 1984-07-24 キヤノン株式会社 Electrostatic image developing device
US6108513A (en) * 1995-04-03 2000-08-22 Indigo N.V. Double sided imaging
EP1287406B1 (en) * 2000-06-01 2006-07-26 Hewlett-Packard Indigo B.V. Liquid toner application system
WO2003014834A2 (en) * 2001-08-08 2003-02-20 Indigo N.V. Coating especially for liquid toner imaging system components

Also Published As

Publication number Publication date
JP4603051B2 (en) 2010-12-22
EP1864189A1 (en) 2007-12-12
EP1864189B1 (en) 2011-09-07
WO2006090352A1 (en) 2006-08-31
JP2008532063A (en) 2008-08-14

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Legal Events

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RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties