DE69637039D1 - Verfahren zur Steuerung der Linienbreite eines Tonerbildes - Google Patents

Verfahren zur Steuerung der Linienbreite eines Tonerbildes

Info

Publication number
DE69637039D1
DE69637039D1 DE69637039T DE69637039T DE69637039D1 DE 69637039 D1 DE69637039 D1 DE 69637039D1 DE 69637039 T DE69637039 T DE 69637039T DE 69637039 T DE69637039 T DE 69637039T DE 69637039 D1 DE69637039 D1 DE 69637039D1
Authority
DE
Germany
Prior art keywords
controlling
toner image
line width
width
toner
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 - Lifetime
Application number
DE69637039T
Other languages
English (en)
Other versions
DE69637039T2 (de
Inventor
Tatsumi Horiuchi
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.)
Konica Minolta Business Technologies Inc
Original Assignee
Konica Minolta Inc
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 Konica Minolta Inc filed Critical Konica Minolta Inc
Publication of DE69637039D1 publication Critical patent/DE69637039D1/de
Application granted granted Critical
Publication of DE69637039T2 publication Critical patent/DE69637039T2/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
    • G03G15/50—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
    • G03G15/00—Apparatus for electrographic processes using a charge pattern
    • G03G15/04—Apparatus for electrographic processes using a charge pattern for exposing, i.e. imagewise exposure by optically projecting the original image on a photoconductive recording material
    • G03G15/04036—Details of illuminating systems, e.g. lamps, reflectors
    • G03G15/04045—Details of illuminating systems, e.g. lamps, reflectors for exposing image information provided otherwise than by directly projecting the original image onto the photoconductive recording material, e.g. digital copiers
    • G03G15/04072—Details of illuminating systems, e.g. lamps, reflectors for exposing image information provided otherwise than by directly projecting the original image onto the photoconductive recording material, e.g. digital copiers by laser
    • 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
    • G03G15/22—Apparatus for electrographic processes using a charge pattern involving the combination of more than one step according to groups G03G13/02 - G03G13/20
    • G03G15/32—Apparatus for electrographic processes using a charge pattern involving the combination of more than one step according to groups G03G13/02 - G03G13/20 in which the charge pattern is formed dotwise, e.g. by a thermal head
    • G03G15/326—Apparatus for electrographic processes using a charge pattern involving the combination of more than one step according to groups G03G13/02 - G03G13/20 in which the charge pattern is formed dotwise, e.g. by a thermal head by application of light, e.g. using a LED array
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/40—Picture signal circuits
    • H04N1/407—Control or modification of tonal gradation or of extreme levels, e.g. background level
    • H04N1/4076—Control or modification of tonal gradation or of extreme levels, e.g. background level dependent on references outside the picture
    • H04N1/4078—Control or modification of tonal gradation or of extreme levels, e.g. background level dependent on references outside the picture using gradational references, e.g. grey-scale test pattern analysis

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Optics & Photonics (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Control Or Security For Electrophotography (AREA)
  • Laser Beam Printer (AREA)
  • Fax Reproducing Arrangements (AREA)
DE69637039T 1995-03-16 1996-03-15 Verfahren zur Steuerung der Linienbreite eines Tonerbildes Expired - Lifetime DE69637039T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP7057323A JPH08254861A (ja) 1995-03-16 1995-03-16 線幅制御方法
JP5732395 1995-03-16

Publications (2)

Publication Number Publication Date
DE69637039D1 true DE69637039D1 (de) 2007-06-06
DE69637039T2 DE69637039T2 (de) 2007-11-22

Family

ID=13052377

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69637039T Expired - Lifetime DE69637039T2 (de) 1995-03-16 1996-03-15 Verfahren zur Steuerung der Linienbreite eines Tonerbildes

Country Status (4)

Country Link
US (1) US5808651A (de)
EP (1) EP0732631B1 (de)
JP (1) JPH08254861A (de)
DE (1) DE69637039T2 (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6081677A (en) * 1996-08-02 2000-06-27 Oce Printing Systems Gmbh Process for optimizing a half-tone reproduction on a photoconductor of electrophotographic printers and copiers
US6034703A (en) * 1997-01-29 2000-03-07 Texas Instruments Incorporated Process control of electrophotographic device
JP3772466B2 (ja) * 1997-06-09 2006-05-10 コニカミノルタフォトイメージング株式会社 固体走査型光書込みヘッドを備えた画像形成装置及び光書込みヘッドの光量測定方法
ATE380671T1 (de) * 2002-07-19 2007-12-15 Seiko Epson Corp Bilderzeugungsgerät und verfahren zur bildherstellung
JP4336949B2 (ja) * 2003-04-17 2009-09-30 セイコーエプソン株式会社 トナー消費量演算装置および方法と画像形成装置
US7058321B2 (en) 2003-03-27 2006-06-06 Seiko Epson Corporation Device and method of calculating toner consumption, and image forming apparatus using the same
US7154517B2 (en) * 2003-11-20 2006-12-26 Konica Minolta Business Technologies, Inc. Image forming apparatus
JP4511324B2 (ja) * 2004-11-25 2010-07-28 シャープ株式会社 画像形成装置
US7588302B2 (en) * 2006-07-31 2009-09-15 Hewlett-Packard Development Company, L.P. System and method for detecting pen-to-paper spacing in a printing system
JP5028076B2 (ja) * 2006-12-05 2012-09-19 キヤノン株式会社 画像形成装置

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3937430A (en) * 1973-03-05 1976-02-10 General Signal Corporation Method and apparatus for controlling the speed of a vehicle
JPH03279971A (ja) * 1990-03-28 1991-12-11 Ricoh Co Ltd 画像形成装置の画像制御方法
JP3030975B2 (ja) * 1991-10-04 2000-04-10 松下電器産業株式会社 画質制御装置
JP2956366B2 (ja) * 1992-08-04 1999-10-04 松下電器産業株式会社 線幅測定装置
US5493321A (en) * 1993-02-25 1996-02-20 Minnesota Mining And Manufacturing Company Method and apparatus of characterization for photoelectric color proofing systems

Also Published As

Publication number Publication date
US5808651A (en) 1998-09-15
EP0732631A3 (de) 2000-03-08
JPH08254861A (ja) 1996-10-01
DE69637039T2 (de) 2007-11-22
EP0732631A2 (de) 1996-09-18
EP0732631B1 (de) 2007-04-25

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Legal Events

Date Code Title Description
8327 Change in the person/name/address of the patent owner

Owner name: KONICA MINOLTA BUSINESS TECHNOLOGIES, INC., TO, JP

8364 No opposition during term of opposition