ATE169440T1 - Abdruckbewertungsvorrichtung - Google Patents

Abdruckbewertungsvorrichtung

Info

Publication number
ATE169440T1
ATE169440T1 AT91308650T AT91308650T ATE169440T1 AT E169440 T1 ATE169440 T1 AT E169440T1 AT 91308650 T AT91308650 T AT 91308650T AT 91308650 T AT91308650 T AT 91308650T AT E169440 T1 ATE169440 T1 AT E169440T1
Authority
AT
Austria
Prior art keywords
relative movement
print pattern
image reader
photoreceptors
effecting
Prior art date
Application number
AT91308650T
Other languages
English (en)
Inventor
Shinsuke Tsuruoka
Hiroshi Haruyama
Hideaki Uemura
Original Assignee
Canon Kk
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
Priority claimed from JP03132699A external-priority patent/JP3072787B2/ja
Priority claimed from JP3132695A external-priority patent/JP3029142B2/ja
Priority claimed from JP03132700A external-priority patent/JP3119376B2/ja
Priority claimed from JP03132702A external-priority patent/JP3072788B2/ja
Priority claimed from JP3132693A external-priority patent/JP3029141B2/ja
Priority claimed from JP3132701A external-priority patent/JP3039704B2/ja
Priority claimed from JP03132694A external-priority patent/JP3119375B2/ja
Application filed by Canon Kk filed Critical Canon Kk
Application granted granted Critical
Publication of ATE169440T1 publication Critical patent/ATE169440T1/de

Links

Classifications

    • 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
    • H04N1/00002—Diagnosis, testing or measuring; Detecting, analysing or monitoring not otherwise provided for
    • H04N1/00007—Diagnosis, testing or measuring; Detecting, analysing or monitoring not otherwise provided for relating to particular apparatus or devices
    • H04N1/00015—Reproducing apparatus
    • 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
    • H04N1/00002—Diagnosis, testing or measuring; Detecting, analysing or monitoring not otherwise provided for
    • 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
    • H04N1/00002—Diagnosis, testing or measuring; Detecting, analysing or monitoring not otherwise provided for
    • H04N1/00026—Methods therefor
    • H04N1/00031—Testing, i.e. determining the result of a trial
    • 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
    • H04N1/00002—Diagnosis, testing or measuring; Detecting, analysing or monitoring not otherwise provided for
    • H04N1/00026—Methods therefor
    • H04N1/00045—Methods therefor using a reference pattern designed for the purpose, e.g. a test chart
    • 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
    • H04N1/00002—Diagnosis, testing or measuring; Detecting, analysing or monitoring not otherwise provided for
    • H04N1/00026—Methods therefor
    • H04N1/00058—Methods therefor using a separate apparatus
    • 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
    • H04N1/00002—Diagnosis, testing or measuring; Detecting, analysing or monitoring not otherwise provided for
    • H04N1/00026—Methods therefor
    • H04N1/00063—Methods therefor using at least a part of the apparatus itself, e.g. self-testing
    • 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
    • H04N1/04—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa
    • H04N1/047—Detection, control or error compensation of scanning velocity or position
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N2201/00—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
    • H04N2201/04—Scanning arrangements
    • H04N2201/047—Detection, control or error compensation of scanning velocity or position
    • H04N2201/04701—Detection of scanning velocity or position
    • H04N2201/0471—Detection of scanning velocity or position using dedicated detectors
    • H04N2201/04712—Detection of scanning velocity or position using dedicated detectors using unbroken arrays of detectors, i.e. detectors mounted on the same substrate
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N2201/00—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
    • H04N2201/04—Scanning arrangements
    • H04N2201/047—Detection, control or error compensation of scanning velocity or position
    • H04N2201/04701—Detection of scanning velocity or position
    • H04N2201/04715—Detection of scanning velocity or position by detecting marks or the like, e.g. slits
    • H04N2201/04717—Detection of scanning velocity or position by detecting marks or the like, e.g. slits on the scanned sheet, e.g. a reference sheet
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N2201/00—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
    • H04N2201/04—Scanning arrangements
    • H04N2201/047—Detection, control or error compensation of scanning velocity or position
    • H04N2201/04701—Detection of scanning velocity or position
    • H04N2201/04729—Detection of scanning velocity or position in the main-scan direction
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N2201/00—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
    • H04N2201/04—Scanning arrangements
    • H04N2201/047—Detection, control or error compensation of scanning velocity or position
    • H04N2201/04701—Detection of scanning velocity or position
    • H04N2201/04731—Detection of scanning velocity or position in the sub-scan direction
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N2201/00—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
    • H04N2201/04—Scanning arrangements
    • H04N2201/047—Detection, control or error compensation of scanning velocity or position
    • H04N2201/04701—Detection of scanning velocity or position
    • H04N2201/04734—Detecting at frequent intervals, e.g. once per line for sub-scan control

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • General Health & Medical Sciences (AREA)
  • Accessory Devices And Overall Control Thereof (AREA)
  • Investigating, Analyzing Materials By Fluorescence Or Luminescence (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Image Analysis (AREA)
  • Collating Specific Patterns (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Image Processing (AREA)
AT91308650T 1990-09-21 1991-09-23 Abdruckbewertungsvorrichtung ATE169440T1 (de)

Applications Claiming Priority (8)

Application Number Priority Date Filing Date Title
JP25227990 1990-09-21
JP03132699A JP3072787B2 (ja) 1990-09-21 1991-06-04 印字評価方法及び印字評価装置
JP3132695A JP3029142B2 (ja) 1990-09-21 1991-06-04 印字評価方法及び印字評価装置
JP03132700A JP3119376B2 (ja) 1990-09-21 1991-06-04 印字評価方法及び印字評価装置
JP03132702A JP3072788B2 (ja) 1990-09-21 1991-06-04 印字評価方法及び印字評価装置
JP3132693A JP3029141B2 (ja) 1990-09-21 1991-06-04 印字評価及び印字評価装置
JP3132701A JP3039704B2 (ja) 1990-09-21 1991-06-04 印字評価方法及び印字評価装置
JP03132694A JP3119375B2 (ja) 1990-09-21 1991-06-04 印字評価方法及び印字評価装置

Publications (1)

Publication Number Publication Date
ATE169440T1 true ATE169440T1 (de) 1998-08-15

Family

ID=27573145

Family Applications (1)

Application Number Title Priority Date Filing Date
AT91308650T ATE169440T1 (de) 1990-09-21 1991-09-23 Abdruckbewertungsvorrichtung

Country Status (4)

Country Link
US (1) US5327252A (de)
EP (1) EP0477037B1 (de)
AT (1) ATE169440T1 (de)
DE (1) DE69129929T2 (de)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0592501A1 (de) * 1991-07-04 1994-04-20 WOYDICH, Horst Vorlage zum einscannen von flächig gespeicherten daten
JP3222522B2 (ja) * 1992-02-07 2001-10-29 キヤノン株式会社 検査システムおよびその方法
JPH0671864A (ja) * 1992-08-27 1994-03-15 Komori Corp 印刷物検査装置におけるウェブの蛇行認識方法および装置、印刷物検査装置における撮像位置補正方法および装置
JP3132794B2 (ja) * 1993-06-21 2001-02-05 シオノギクオリカプス株式会社 固形製剤の印刷文字検査装置
EP0667594A3 (de) * 1994-02-14 1995-08-23 International Business Machines Corporation Gerät und Verfahren zur Analyse der Bildqualität
US7031020B1 (en) * 1994-04-22 2006-04-18 Canon Kabushiki Kaisha Image processing method, apparatus and controller
JP3658026B2 (ja) * 1995-01-27 2005-06-08 キヤノン株式会社 画像処理装置
US6388768B2 (en) 1996-04-22 2002-05-14 Minolta Co., Ltd. Image forming apparatus which excels in reproducibility of colors, fine lines and gradations even in a copy made from a copied image
JPH10258547A (ja) * 1997-03-19 1998-09-29 Konica Corp 画像記録装置
US6310965B2 (en) * 1997-06-20 2001-10-30 Ricoh Company, Ltd. Manuscript document detecting system and method
US6275600B1 (en) * 1998-03-09 2001-08-14 I.Data International, Inc. Measuring image characteristics of output from a digital printer
US7027185B2 (en) * 2001-07-30 2006-04-11 Hewlett-Packard Development Company, L.P. Linearization of an incremental printer by measurements referred to a media-independent sensor calibration
JP4875936B2 (ja) 2006-07-07 2012-02-15 株式会社日立ハイテクノロジーズ 異物・欠陥検出方法および異物・欠陥検査装置
JP6481323B2 (ja) * 2014-10-07 2019-03-13 富士ゼロックス株式会社 画像評価装置、画像評価システム、及び画像処理プログラム
JPWO2020194448A1 (de) * 2019-03-25 2020-10-01

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4370641A (en) * 1979-08-15 1983-01-25 International Business Machines Corporation Electronic control system
CA1161155A (en) * 1980-02-11 1984-01-24 Arthur G. Wilson Internal test method and apparatus for facsimile tansceiver
FI60786C (fi) * 1980-02-25 1982-03-10 Eero Byckling Foerfarande foer noggrann styrning av ljusstraole vid fotosaettning och andra tillaempningar vid skrivning pao ljuskaenslig yta
JPS5875961A (ja) * 1981-10-31 1983-05-07 Toshiba Corp 画像入力装置
JPS59158667A (ja) * 1983-03-01 1984-09-08 Matsushita Electric Ind Co Ltd 画像信号処理装置
DE3347645C1 (de) * 1983-12-30 1985-10-10 Dr.-Ing. Ludwig Pietzsch Gmbh & Co, 7505 Ettlingen Verfahren und Einrichtung zum opto-elektronischen Pruefen eines Flaechenmusters an einem Objekt
JPS60217186A (ja) * 1984-04-12 1985-10-30 Ricoh Co Ltd 印刷制御装置
JPS60247370A (ja) * 1984-05-22 1985-12-07 Fujitsu Ltd 画像読み取り装置の走査系精度検査方法
GB8507652D0 (en) * 1985-03-25 1985-05-01 Irex Corp Hard copy recorders
JPH0727540B2 (ja) * 1985-08-21 1995-03-29 シャープ株式会社 手動掃引イメ−ジ読み取り装置
JPH07101913B2 (ja) * 1986-05-09 1995-11-01 株式会社東芝 画像形成装置
US4779106A (en) * 1986-12-12 1988-10-18 Eastman Kodak Company Process control for electrostatographic machine
JPS6469159A (en) * 1987-09-10 1989-03-15 Minolta Camera Kk Picture reader
US4849821A (en) * 1987-12-11 1989-07-18 Eastman Kodak Company Page check for copier/printers

Also Published As

Publication number Publication date
DE69129929T2 (de) 1999-01-14
EP0477037A2 (de) 1992-03-25
US5327252A (en) 1994-07-05
EP0477037B1 (de) 1998-08-05
DE69129929D1 (de) 1998-09-10
EP0477037A3 (en) 1993-09-08

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Legal Events

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RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties