DE3577362D1 - Verfahren zur feststellung der bilddichte einer vorlage und deren kopierung. - Google Patents

Verfahren zur feststellung der bilddichte einer vorlage und deren kopierung.

Info

Publication number
DE3577362D1
DE3577362D1 DE8585101854T DE3577362T DE3577362D1 DE 3577362 D1 DE3577362 D1 DE 3577362D1 DE 8585101854 T DE8585101854 T DE 8585101854T DE 3577362 T DE3577362 T DE 3577362T DE 3577362 D1 DE3577362 D1 DE 3577362D1
Authority
DE
Germany
Prior art keywords
copying
document
determining
image density
density
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
DE8585101854T
Other languages
English (en)
Inventor
Masahiko Matsunawa
Ltd Abe
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 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=27564230&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE3577362(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority claimed from JP2979784A external-priority patent/JPS60173538A/ja
Priority claimed from JP59029793A external-priority patent/JPS60173563A/ja
Priority claimed from JP59029796A external-priority patent/JPS60173564A/ja
Priority claimed from JP59029791A external-priority patent/JPS60173561A/ja
Priority claimed from JP59029792A external-priority patent/JPS60173562A/ja
Priority claimed from JP59029795A external-priority patent/JPS60173566A/ja
Priority claimed from JP2979484A external-priority patent/JPS60173537A/ja
Application filed by Konica Minolta Inc filed Critical Konica Minolta Inc
Publication of DE3577362D1 publication Critical patent/DE3577362D1/de
Application granted granted Critical
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
    • G03G15/50—Machine control of apparatus for electrographic processes using a charge pattern, e.g. regulating differents parts of the machine, multimode copiers, microprocessor control
    • G03G15/5025—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 original characteristics, e.g. contrast, density
    • 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
    • G03G15/043—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 with means for controlling illumination or exposure
    • 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
    • G03G15/065—Arrangements for controlling the potential of the developing electrode

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Facsimile Image Signal Circuits (AREA)
  • Control Or Security For Electrophotography (AREA)
  • Exposure Or Original Feeding In Electrophotography (AREA)
DE8585101854T 1984-02-20 1985-02-20 Verfahren zur feststellung der bilddichte einer vorlage und deren kopierung. Expired - Fee Related DE3577362D1 (de)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
JP59029793A JPS60173563A (ja) 1984-02-20 1984-02-20 複写装置
JP59029796A JPS60173564A (ja) 1984-02-20 1984-02-20 複写装置
JP59029791A JPS60173561A (ja) 1984-02-20 1984-02-20 複写装置
JP2979784A JPS60173538A (ja) 1984-02-20 1984-02-20 画像識別方法
JP59029792A JPS60173562A (ja) 1984-02-20 1984-02-20 複写装置
JP59029795A JPS60173566A (ja) 1984-02-20 1984-02-20 複写装置
JP2979484A JPS60173537A (ja) 1984-02-20 1984-02-20 複写装置

Publications (1)

Publication Number Publication Date
DE3577362D1 true DE3577362D1 (de) 1990-05-31

Family

ID=27564230

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8585101854T Expired - Fee Related DE3577362D1 (de) 1984-02-20 1985-02-20 Verfahren zur feststellung der bilddichte einer vorlage und deren kopierung.

Country Status (3)

Country Link
US (1) US4733306A (de)
EP (1) EP0162196B2 (de)
DE (1) DE3577362D1 (de)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4903145A (en) * 1986-08-06 1990-02-20 Canon Kabushiki Kaisha Image quality control apparatus capable of density-correcting plural areas of different types
EP0258740B1 (de) * 1986-09-02 1995-07-19 Fuji Photo Film Co., Ltd. Verfahren und Vorrichtung zur Bildverarbeitung mit Gradationskorrektur des Bildsignals
US4857958A (en) * 1987-03-25 1989-08-15 Kabushiki Kaisha Toshiba Electronic copying apparatus having function of partially changing image reproduced from original image
DE68910357T2 (de) * 1988-03-29 1994-05-19 Sharp Kk Bildverarbeitungsgerät.
EP0361428B1 (de) * 1988-09-28 1995-03-15 Fuji Photo Film Co., Ltd. Abbildungsmethode
JPH03263056A (ja) * 1990-03-13 1991-11-22 Canon Inc 自動シート送り装置
US5374996A (en) * 1991-06-26 1994-12-20 Matsushita Electric Industrial Co., Ltd. Image processing system
JPH08307683A (ja) * 1995-04-28 1996-11-22 Minolta Co Ltd 画像処理装置
US8248392B2 (en) * 2004-08-13 2012-08-21 Semiconductor Energy Laboratory Co., Ltd. Light emitting device using light emitting element and driving method of light emitting element, and lighting apparatus
US20090153811A1 (en) * 2007-11-11 2009-06-18 Mark Stephen Braiman Cooperative Pointillistic Projection of a Graphical Image on a Pre-Selected Remote Surface by Using a Multiplicity of Lasers
EP3891508A1 (de) 2018-12-04 2021-10-13 Bristol-Myers Squibb Company Analyseverfahren unter verwendung einer kalibrierungskurve in einer probe durch mehrfache isotopologenreaktionsüberwachung

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4153364A (en) * 1977-01-28 1979-05-08 Ricoh Company, Ltd. Exposure and development control apparatus for electrostatic copying machine
JPS5492742A (en) * 1977-12-29 1979-07-23 Ricoh Co Ltd Control method for copier image quality
JPS6051105B2 (ja) * 1979-12-24 1985-11-12 株式会社東芝 自動画質制御複写機
JPS5745564A (en) * 1980-09-02 1982-03-15 Konishiroku Photo Ind Co Ltd Automatic image quality adjuster in copying machine
GB2115256B (en) * 1981-12-19 1986-01-29 Konishiroku Photo Ind Picture image discriminating apparatus
GB2114847B (en) * 1981-12-26 1986-02-12 Konishiroku Photo Ind Apparatus for discriminating between linear and tonal picture video signals

Also Published As

Publication number Publication date
US4733306A (en) 1988-03-22
EP0162196A1 (de) 1985-11-27
EP0162196B1 (de) 1990-04-25
EP0162196B2 (de) 1993-10-27

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Legal Events

Date Code Title Description
8363 Opposition against the patent
8366 Restricted maintained after opposition proceedings
8339 Ceased/non-payment of the annual fee