DE69215302D1 - Tonertestmustererzeugung, unterstützt durch Rasterabtastvorrichtung für Verwendung in einem dreistufigen Bilderzeugungsgerät - Google Patents

Tonertestmustererzeugung, unterstützt durch Rasterabtastvorrichtung für Verwendung in einem dreistufigen Bilderzeugungsgerät

Info

Publication number
DE69215302D1
DE69215302D1 DE69215302T DE69215302T DE69215302D1 DE 69215302 D1 DE69215302 D1 DE 69215302D1 DE 69215302 T DE69215302 T DE 69215302T DE 69215302 T DE69215302 T DE 69215302T DE 69215302 D1 DE69215302 D1 DE 69215302D1
Authority
DE
Germany
Prior art keywords
aided
imaging device
test pattern
pattern generation
raster scanner
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
DE69215302T
Other languages
English (en)
Other versions
DE69215302T2 (de
Inventor
Mark A Scheuer
Daniel W Macdonald
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 DE69215302D1 publication Critical patent/DE69215302D1/de
Application granted granted Critical
Publication of DE69215302T2 publication Critical patent/DE69215302T2/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
    • G03G15/00—Apparatus for electrographic processes using a charge pattern
    • G03G15/01—Apparatus for electrographic processes using a charge pattern for producing multicoloured copies
    • 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
    • G03G15/50—Machine control of apparatus for electrographic processes using a charge pattern, e.g. regulating differents parts of the machine, multimode copiers, microprocessor control
    • G03G15/5033—Machine control of apparatus for electrographic processes using a charge pattern, e.g. regulating differents parts of the machine, multimode copiers, microprocessor control by measuring the photoconductor characteristics, e.g. temperature, or the characteristics of an image on the photoconductor
    • G03G15/5041—Detecting a toner image, e.g. density, toner coverage, using a test patch
    • 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
    • G03G2215/00025—Machine control, e.g. regulating different parts of the machine
    • G03G2215/00029—Image density detection
    • G03G2215/00033—Image density detection on recording member
    • G03G2215/00037—Toner image detection
    • G03G2215/00042—Optical detection

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Color Electrophotography (AREA)
  • Testing Of Optical Devices Or Fibers (AREA)
  • Control Or Security For Electrophotography (AREA)
  • Fax Reproducing Arrangements (AREA)
DE69215302T 1991-09-05 1992-08-28 Tonertestmustererzeugung, unterstützt durch Rasterabtastvorrichtung für Verwendung in einem dreistufigen Bilderzeugungsgerät Expired - Fee Related DE69215302T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/755,193 US5212029A (en) 1991-09-05 1991-09-05 Ros assisted toner patch generation for use in tri-level imaging

Publications (2)

Publication Number Publication Date
DE69215302D1 true DE69215302D1 (de) 1997-01-02
DE69215302T2 DE69215302T2 (de) 1997-04-03

Family

ID=25038110

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69215302T Expired - Fee Related DE69215302T2 (de) 1991-09-05 1992-08-28 Tonertestmustererzeugung, unterstützt durch Rasterabtastvorrichtung für Verwendung in einem dreistufigen Bilderzeugungsgerät

Country Status (5)

Country Link
US (1) US5212029A (de)
EP (1) EP0531064B1 (de)
JP (1) JP2804410B2 (de)
CA (1) CA2076845C (de)
DE (1) DE69215302T2 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5285241A (en) * 1982-12-07 1994-02-08 Xerox Corporation Maintaining precise electrostatic control using two ESVs
US5369476A (en) * 1992-01-28 1994-11-29 Cactus Toner control system and method for electrographic printing
US5623715A (en) * 1994-08-23 1997-04-22 Clark; Lloyd D. Liquid toner concentrate management system and method

Family Cites Families (39)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3045644A (en) * 1957-06-06 1962-07-24 Xerox Corp Two-color electrostatic printing apparatus
US3013890A (en) * 1958-07-08 1961-12-19 Xerox Corp Process of developing electrostatic images and composition therefor
US3832170A (en) * 1970-04-01 1974-08-27 Canon Kk Method and apparatus for electronic color photography and photosensitive member used for the same
US3816115A (en) * 1970-06-26 1974-06-11 Xerox Corp Method for forming a plurality of electrostatic latent images on an electrophotographic plate
GB1442234A (en) * 1974-09-24 1976-07-14 Rank Xerox Ltd Xerographic copying machines
US4078929A (en) * 1976-11-26 1978-03-14 Xerox Corporation Method for two-color development of a xerographic charge pattern
US4308821A (en) * 1978-09-22 1982-01-05 Ricoh Company, Ltd. Electrophotographic development apparatus
JPS5911113B2 (ja) * 1979-04-20 1984-03-13 富士通株式会社 電子写真式記録装置
JPS5767943A (en) * 1980-10-16 1982-04-24 Konishiroku Photo Ind Co Ltd Retention type electrostatic recorder
US4403848A (en) * 1982-02-17 1983-09-13 Xerox Corporation Electronic color printing system
US4562130A (en) * 1982-09-28 1985-12-31 Minolta Camera Kabushiki Kaisha Method of forming composite images
US4588667A (en) * 1984-05-15 1986-05-13 Xerox Corporation Electrophotographic imaging member and process comprising sputtering titanium on substrate
US4654284A (en) * 1985-10-24 1987-03-31 Xerox Corporation Electrostatographic imaging member with anti-curl layer comprising a reaction product of a binder bi-functional coupling agent and crystalline particles
JPH0792619B2 (ja) * 1986-02-28 1995-10-09 株式会社リコー カラー複写機の照明装置
US4894685A (en) * 1986-10-07 1990-01-16 Konishiroku Photo Industry Co., Ltd. Multicolor image forming method and apparatus
US4731634A (en) * 1986-11-03 1988-03-15 Xerox Corporation Apparatus for printing black and plural highlight color images in a single pass
US4771314A (en) * 1986-12-29 1988-09-13 Xerox Corporation Developer apparatus for a highlight printing apparatus
US4901114A (en) * 1987-03-30 1990-02-13 Xerox Corporation Tri level xerography using a MICR toner in combination with a non-MICR toner
US4780385A (en) * 1987-04-21 1988-10-25 Xerox Corporation Electrophotographic imaging member containing zirconium in base layer
US4811046A (en) * 1987-07-28 1989-03-07 Xerox Corporation Tri-level highlight color printing apparatus with cycle-up and cycle-down control
US4761672A (en) * 1987-07-28 1988-08-02 Xerox Corporation Ramped developer biases
US4833504A (en) * 1987-08-31 1989-05-23 Xerox Corporation Single pass highlight color printer including a scavengeless developer housing
US4810604A (en) * 1987-09-30 1989-03-07 Xerox Corporation Combination xerographic and direct electrostatic printing apparatus for highlight color imaging
JPH01118863A (ja) * 1987-11-02 1989-05-11 Minolta Camera Co Ltd 複写機
US4984022A (en) * 1987-11-26 1991-01-08 Minolta Camera Kabushiki Kaisha Image forming apparatus having means for attenuating bias voltage of the developing sleeve
US4868611A (en) * 1987-12-10 1989-09-19 Xerox Corporation Highlight color imaging with first image neutralization using a scorotron
US4847655A (en) * 1987-12-11 1989-07-11 Xerox Corporation Highlight color imaging apparatus
US4868608A (en) * 1988-01-04 1989-09-19 Xerox Corporation Highlight color imaging apparatus
JP2642373B2 (ja) * 1988-01-12 1997-08-20 株式会社リコー 画像形成装置
US4868600A (en) * 1988-03-21 1989-09-19 Xerox Corporation Scavengeless development apparatus for use in highlight color imaging
JPH0264665A (ja) * 1988-08-31 1990-03-05 Seiko Epson Corp 二色画像形成装置
US4913348A (en) * 1988-12-22 1990-04-03 Xerox Corporation Method and apparatus for creating contrasting images at substantially full contrast voltage
US4998139A (en) * 1989-04-10 1991-03-05 Xerox Corporation Adaptive bias control for tri-level xerography
US4990955A (en) * 1989-04-10 1991-02-05 Xerox Corporation White level stabilization for tri-level imaging
US5021838A (en) * 1989-08-03 1991-06-04 Xerox Corporation Preferred toner/carrier properties
US5032872A (en) * 1989-10-30 1991-07-16 Xerox Corporation Developing device with dual donor rollers including electrically biased electrodes for each donor roller
US5010367A (en) * 1989-12-11 1991-04-23 Xerox Corporation Dual AC development system for controlling the spacing of a toner cloud
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
US5019859A (en) * 1990-05-14 1991-05-28 Xerox Corporation Process control for highlight color with developer switching

Also Published As

Publication number Publication date
EP0531064B1 (de) 1996-11-20
CA2076845A1 (en) 1993-03-06
EP0531064A3 (en) 1994-09-14
CA2076845C (en) 1999-01-19
JPH05273826A (ja) 1993-10-22
US5212029A (en) 1993-05-18
JP2804410B2 (ja) 1998-09-24
DE69215302T2 (de) 1997-04-03
EP0531064A2 (de) 1993-03-10

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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