DE68908956D1 - Verfahren zur Herstellung von zweifarbigen Bildern. - Google Patents

Verfahren zur Herstellung von zweifarbigen Bildern.

Info

Publication number
DE68908956D1
DE68908956D1 DE89305029T DE68908956T DE68908956D1 DE 68908956 D1 DE68908956 D1 DE 68908956D1 DE 89305029 T DE89305029 T DE 89305029T DE 68908956 T DE68908956 T DE 68908956T DE 68908956 D1 DE68908956 D1 DE 68908956D1
Authority
DE
Germany
Prior art keywords
producing
tone images
tone
images
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
Application number
DE89305029T
Other languages
English (en)
Other versions
DE68908956T2 (de
Inventor
Keith P Watson
Ian D Morrison
Melvin D Croucher
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Xerox Corp
Original Assignee
Xerox Corp
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 Xerox Corp filed Critical Xerox Corp
Publication of DE68908956D1 publication Critical patent/DE68908956D1/de
Application granted granted Critical
Publication of DE68908956T2 publication Critical patent/DE68908956T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G13/00—Electrographic processes using a charge pattern
    • G03G13/06—Developing
    • G03G13/10—Developing using a liquid developer, e.g. liquid suspension
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G13/00—Electrographic processes using a charge pattern
    • G03G13/01—Electrographic processes using a charge pattern for multicoloured copies
    • 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
    • G03G2215/04—Arrangements for exposing and producing an image
    • G03G2215/0495—Plural charge levels of latent image produced, e.g. trilevel
DE89305029T 1988-05-23 1989-05-18 Verfahren zur Herstellung von zweifarbigen Bildern. Expired - Fee Related DE68908956T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/197,131 US4877698A (en) 1988-05-23 1988-05-23 Electrophotographic process for generating two-color images using liquid developer

Publications (2)

Publication Number Publication Date
DE68908956D1 true DE68908956D1 (de) 1993-10-14
DE68908956T2 DE68908956T2 (de) 1994-03-10

Family

ID=22728171

Family Applications (1)

Application Number Title Priority Date Filing Date
DE89305029T Expired - Fee Related DE68908956T2 (de) 1988-05-23 1989-05-18 Verfahren zur Herstellung von zweifarbigen Bildern.

Country Status (4)

Country Link
US (1) US4877698A (de)
EP (1) EP0343853B1 (de)
JP (1) JPH0820792B2 (de)
DE (1) DE68908956T2 (de)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5012300A (en) * 1988-06-06 1991-04-30 Spectrum Sciences B.V. Two-color imaging system and process
DE68926393T2 (de) * 1988-06-06 1996-11-21 Indigo Nv Doppelfarbbildverfahren und vorrichtung
JPH087469B2 (ja) * 1988-09-12 1996-01-29 富士写真フイルム株式会社 静電写真用液体現像剤
US4985329A (en) * 1988-12-30 1991-01-15 E. I. Du Pont De Nemours And Company Bipolar liquid electrostatic developer
GB2238395B (en) * 1989-11-02 1994-04-06 Fuji Xerox Co Ltd Two-color developer for electrophotography
US5023160A (en) * 1989-11-08 1991-06-11 Xerox Corporation Liquid developer compositions
US5570173A (en) * 1994-10-31 1996-10-29 Xerox Corporation Color printer using liquid developer
US5650253A (en) * 1995-09-29 1997-07-22 Minnesota Mining And Manufacturing Company Method and apparatus having improved image transfer characteristics for producing an image on a receptor medium such as a plain paper
JP2000515254A (ja) * 1995-09-29 2000-11-14 イメイション・コーポレイション 電子写真システムにおいて多色画像を形成する方法および装置
US7247379B2 (en) 1997-08-28 2007-07-24 E Ink Corporation Electrophoretic particles, and processes for the production thereof
US7002728B2 (en) 1997-08-28 2006-02-21 E Ink Corporation Electrophoretic particles, and processes for the production thereof
US5893658A (en) * 1997-10-17 1999-04-13 Kellie; Truman F. Image plane registration system for electrographic systems
US5970273A (en) * 1998-07-07 1999-10-19 Imation Corp. Ink cartridge for liquid electrographic imaging devices
US6088560A (en) * 1998-07-07 2000-07-11 Imation Corp. Liquid ink replenishment system for liquid electrographic imaging devices
US7230750B2 (en) 2001-05-15 2007-06-12 E Ink Corporation Electrophoretic media and processes for the production thereof
WO2002093246A1 (en) 2001-05-15 2002-11-21 E Ink Corporation Electrophoretic particles
US6806013B2 (en) 2001-08-10 2004-10-19 Samsung Electronics Co. Ltd. Liquid inks comprising stabilizing plastisols

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL223481A (de) * 1956-12-21
US3013890A (en) * 1958-07-08 1961-12-19 Xerox Corp Process of developing electrostatic images and composition therefor
GB1070748A (en) * 1963-07-11 1967-06-01 Commw Of Australia Electrophotographic developer
AU425595B2 (en) * 1968-12-30 1972-06-29 The Commonwealth Of Australia Edge and latitude developer
US4078929A (en) * 1976-11-26 1978-03-14 Xerox Corporation Method for two-color development of a xerographic charge pattern
US4250239A (en) * 1977-06-09 1981-02-10 Ricoh Company, Ltd. Color electrostatographic process and material
JPS6032191B2 (ja) * 1978-05-24 1985-07-26 株式会社リコー 二色現像方法
JPS55124156A (en) * 1979-03-19 1980-09-25 Ricoh Co Ltd Two-color developing method
JPS5687061A (en) * 1979-12-18 1981-07-15 Fujitsu Ltd Magnetic toner two-color developing method
US4312932A (en) * 1980-08-18 1982-01-26 Xerox Corporation Toners, developers for use in a single pass color image development
US4500616A (en) * 1982-09-20 1985-02-19 Konishiroku Photo Industry Co., Ltd. Extraction developing method for electrostatic latent images
US4476210A (en) * 1983-05-27 1984-10-09 Xerox Corporation Dyed stabilized liquid developer and method for making
JPS6011854A (ja) * 1983-06-30 1985-01-22 Mita Ind Co Ltd ２色画像形成方法
GB2169416B (en) * 1984-12-10 1989-01-11 Savin Corp Toner particles for use in liquid compositions for developing latent electrostatic images
US4686163A (en) * 1984-12-26 1987-08-11 Eastman Kodak Company Electrophotographic color imaging method
US4731634A (en) * 1986-11-03 1988-03-15 Xerox Corporation Apparatus for printing black and plural highlight color images in a single pass

Also Published As

Publication number Publication date
EP0343853B1 (de) 1993-09-08
DE68908956T2 (de) 1994-03-10
EP0343853A1 (de) 1989-11-29
JPH0219865A (ja) 1990-01-23
JPH0820792B2 (ja) 1996-03-04
US4877698A (en) 1989-10-31

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee