DE68913171D1 - Verfahren und Vorrichtung zur Bilderzeugung. - Google Patents

Verfahren und Vorrichtung zur Bilderzeugung.

Info

Publication number
DE68913171D1
DE68913171D1 DE89313454T DE68913171T DE68913171D1 DE 68913171 D1 DE68913171 D1 DE 68913171D1 DE 89313454 T DE89313454 T DE 89313454T DE 68913171 T DE68913171 T DE 68913171T DE 68913171 D1 DE68913171 D1 DE 68913171D1
Authority
DE
Germany
Prior art keywords
image forming
forming method
image
forming
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
DE89313454T
Other languages
English (en)
Other versions
DE68913171T2 (de
Inventor
Dan A Hays
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 DE68913171D1 publication Critical patent/DE68913171D1/de
Application granted granted Critical
Publication of DE68913171T2 publication Critical patent/DE68913171T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • G03G15/00—Apparatus for electrographic processes using a charge pattern
    • G03G15/01—Apparatus for electrographic processes using a charge pattern for producing multicoloured copies
    • G03G15/0105—Details of unit
    • G03G15/0126—Details of unit using a solid developer
    • 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
    • G03G15/01—Apparatus for electrographic processes using a charge pattern for producing multicoloured copies
    • G03G15/0105—Details of unit
    • G03G15/0121—Details of unit for developing
DE68913171T 1988-12-22 1989-12-21 Verfahren und Vorrichtung zur Bilderzeugung. Expired - Lifetime DE68913171T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/288,319 US4913348A (en) 1988-12-22 1988-12-22 Method and apparatus for creating contrasting images at substantially full contrast voltage

Publications (2)

Publication Number Publication Date
DE68913171D1 true DE68913171D1 (de) 1994-03-24
DE68913171T2 DE68913171T2 (de) 1994-06-30

Family

ID=23106605

Family Applications (1)

Application Number Title Priority Date Filing Date
DE68913171T Expired - Lifetime DE68913171T2 (de) 1988-12-22 1989-12-21 Verfahren und Vorrichtung zur Bilderzeugung.

Country Status (4)

Country Link
US (1) US4913348A (de)
EP (1) EP0375432B1 (de)
JP (1) JPH02306272A (de)
DE (1) DE68913171T2 (de)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4868600A (en) * 1988-03-21 1989-09-19 Xerox Corporation Scavengeless development apparatus for use in highlight color imaging
US5031570A (en) * 1989-10-20 1991-07-16 Xerox Corporation Printing apparatus and toner/developer delivery system therefor
US5032872A (en) * 1989-10-30 1991-07-16 Xerox Corporation Developing device with dual donor rollers including electrically biased electrodes for each donor roller
US5010368A (en) * 1990-02-20 1991-04-23 Xerox Corporation Magnetic transport roll for supplying toner or carrier and toner to a donor and magnetic developer roll respectively
US5134442A (en) * 1990-07-26 1992-07-28 Xerox Corporation Electrode wire contamination prevention and detection
US5121172A (en) * 1990-09-04 1992-06-09 Xerox Corporation Method and apparatus for producing single pass highlight and custom color images
US5194905A (en) * 1990-11-29 1993-03-16 Xerox Corporation Color printer apparatus for printing selected portions of latent images in various colors
US5119147A (en) * 1990-12-24 1992-06-02 Xerox Corporation Selective coloring of bi-level latent electostatic images
US5206693A (en) * 1991-08-16 1993-04-27 Xerox Corporation Development unit having an asymmetrically biased electrode wires
US5119131A (en) * 1991-09-05 1992-06-02 Xerox Corporation Electrostatic voltmeter (ESV) zero offset adjustment
US5208632A (en) * 1991-09-05 1993-05-04 Xerox Corporation Cycle up convergence of electrostatics in a tri-level imaging apparatus
CA2076791C (en) * 1991-09-05 1999-02-23 Mark A. Scheuer Charged area (cad) image loss control in a tri-level imaging apparatus
US5212029A (en) * 1991-09-05 1993-05-18 Xerox Corporation Ros assisted toner patch generation for use in tri-level imaging
US5223897A (en) * 1991-09-05 1993-06-29 Xerox Corporation Tri-level imaging apparatus using different electrostatic targets for cycle up and runtime
US5138378A (en) * 1991-09-05 1992-08-11 Xerox Corporation Electrostatic target recalculation in a xerographic imaging apparatus
US5132730A (en) * 1991-09-05 1992-07-21 Xerox Corporation Monitoring of color developer housing in a tri-level highlight color imaging apparatus
US5157441A (en) * 1991-09-05 1992-10-20 Xerox Corporation Dark decay control system utilizing two electrostatic voltmeters
US5227270A (en) * 1991-09-05 1993-07-13 Xerox Corporation Esv readings of toner test patches for adjusting ird readings of developed test patches
US5236795A (en) * 1991-09-05 1993-08-17 Xerox Corporation Method of using an infra-red densitometer to insure two-pass cleaning
US6959161B2 (en) * 2003-10-28 2005-10-25 Xerox Corporation Photoreceptor for highlight color printing machine
US6970673B2 (en) * 2003-10-28 2005-11-29 Xerox Corporation Highlight color printing machine

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4459009A (en) * 1981-07-27 1984-07-10 Xerox Corporation Apparatus, process for charging toner particles
JPS5857154A (ja) * 1981-09-30 1983-04-05 Toshiba Corp 静電潜像現像装置
US4478505A (en) * 1981-09-30 1984-10-23 Tokyo Shibaura Denki Kabushiki Kaisha Developing apparatus for improved charging of flying toner
JPS6125170A (ja) * 1984-07-13 1986-02-04 Fuji Xerox Co Ltd 現像装置
JPS61203474A (ja) * 1985-03-06 1986-09-09 Canon Inc カラ−画像形成装置
US4710016B1 (en) * 1985-03-26 1997-02-25 Toshiba Kk Developing apparatus
JPS62116969A (ja) * 1985-11-18 1987-05-28 Canon Inc 画像形成装置
JPH07107619B2 (ja) * 1986-06-10 1995-11-15 ミノルタ株式会社 現像装置
US4742373A (en) * 1986-06-12 1988-05-03 Minolta Camera Kabushiki Kaisha Copying machine
US4731634A (en) * 1986-11-03 1988-03-15 Xerox Corporation Apparatus for printing black and plural highlight color images in a single pass
US4811046A (en) * 1987-07-28 1989-03-07 Xerox Corporation Tri-level highlight color printing apparatus with cycle-up and cycle-down control
US4868600A (en) * 1988-03-21 1989-09-19 Xerox Corporation Scavengeless development apparatus for use in highlight color imaging
JPH06125170A (ja) * 1992-10-14 1994-05-06 Toshiba Corp 外部記憶装置

Also Published As

Publication number Publication date
EP0375432B1 (de) 1994-02-16
US4913348A (en) 1990-04-03
DE68913171T2 (de) 1994-06-30
JPH02306272A (ja) 1990-12-19
EP0375432A3 (en) 1990-10-10
EP0375432A2 (de) 1990-06-27

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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