CA1204880A - Method of automatically determining and controlling the print quality of a printer - Google Patents

Method of automatically determining and controlling the print quality of a printer

Info

Publication number
CA1204880A
CA1204880A CA000441818A CA441818A CA1204880A CA 1204880 A CA1204880 A CA 1204880A CA 000441818 A CA000441818 A CA 000441818A CA 441818 A CA441818 A CA 441818A CA 1204880 A CA1204880 A CA 1204880A
Authority
CA
Canada
Prior art keywords
print quality
value
pcs
optimum
printer
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
Application number
CA000441818A
Other languages
English (en)
French (fr)
Inventor
Werner Ruppert
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.)
International Business Machines Corp
Original Assignee
International Business Machines 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=8190262&utm_source=***_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=CA1204880(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by International Business Machines Corp filed Critical International Business Machines Corp
Application granted granted Critical
Publication of CA1204880A publication Critical patent/CA1204880A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J7/00—Type-selecting or type-actuating mechanisms
    • B41J7/96—Means checking correctness of setting
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F33/00—Indicating, counting, warning, control or safety devices
    • B41F33/0036—Devices for scanning or checking the printed matter for quality control

Landscapes

  • Engineering & Computer Science (AREA)
  • Quality & Reliability (AREA)
  • Accessory Devices And Overall Control Thereof (AREA)
  • Electronic Switches (AREA)
  • Image Analysis (AREA)
  • Image Processing (AREA)
  • Fax Reproducing Arrangements (AREA)
  • Feedback Control In General (AREA)
  • Dot-Matrix Printers And Others (AREA)
  • Inking, Control Or Cleaning Of Printing Machines (AREA)
CA000441818A 1983-01-26 1983-11-24 Method of automatically determining and controlling the print quality of a printer Expired CA1204880A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP83100692.9 1983-01-26
EP19830100692 EP0115546B1 (de) 1983-01-26 1983-01-26 Verfahren zum automatischen Ermitteln und Einregeln der Druckqualität eines Druckers

Publications (1)

Publication Number Publication Date
CA1204880A true CA1204880A (en) 1986-05-20

Family

ID=8190262

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000441818A Expired CA1204880A (en) 1983-01-26 1983-11-24 Method of automatically determining and controlling the print quality of a printer

Country Status (4)

Country Link
EP (1) EP0115546B1 (de)
JP (1) JPS59138457A (de)
CA (1) CA1204880A (de)
DE (1) DE3382418D1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0527285A2 (de) * 1991-08-12 1993-02-17 KOENIG & BAUER-ALBERT AKTIENGESELLSCHAFT Verfahren zum Beurteilen von bedruckten Bogen

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1226948A (en) * 1984-04-13 1987-09-15 Tohru Ozaki Apparatus for evaluating density and evenness of printed patterns
EP0772145A3 (de) * 1995-11-06 1999-02-24 JOHNSON & QUIN, INC. System und Verfahren zur Qualitätsbestimmung von Drucksachen

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2727426B2 (de) * 1977-06-18 1981-04-30 Heidelberger Druckmaschinen Ag, 6900 Heidelberg Vorrichtung zum Steuern der Farbzuführung einer Bogen-Offsetdruckmaschine
DE2727227A1 (de) * 1977-06-16 1978-12-21 Heidelberger Druckmasch Ag Einrichtung zur qualitaetssicherung von druckerzeugnissen

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0527285A2 (de) * 1991-08-12 1993-02-17 KOENIG & BAUER-ALBERT AKTIENGESELLSCHAFT Verfahren zum Beurteilen von bedruckten Bogen
EP0527285A3 (en) * 1991-08-12 1993-12-08 Koenig & Bauer Ag Method for evaluating the quality of printed sheets
US5317390A (en) * 1991-08-12 1994-05-31 Koenig & Bauer, Aktiengesellschaft Method for judging printing sheets

Also Published As

Publication number Publication date
JPS59138457A (ja) 1984-08-08
DE3382418D1 (de) 1991-10-31
EP0115546A1 (de) 1984-08-15
EP0115546B1 (de) 1991-09-25

Similar Documents

Publication Publication Date Title
US5255085A (en) Adaptive technique for providing accurate tone reproduction control in an imaging system
EP3209010B1 (de) Halbtonkalibriermechanismus
US5293539A (en) Method and apparatus for calibrating tone reproduction in a proofing system
DE69328660T2 (de) Bildverarbeitungsvorrichtung
EP0566300B1 (de) Bildverarbeitungssystem und -methode unter Anwendung adaptiver Abtastung von Halbtonvorlagen um besser druckbare Bilder zu erzeugen
US4001594A (en) Method for controlling the quantity of exposure in photographic printing
DE69416029T2 (de) Verfahren zur Korrektur von Halbtonpunktbilddaten und Bildverarbeitungsgerät das diese Korrektur verwendet
US4835545A (en) Modulating laser intensity in a laser printer proportionately to the velocity of the photoconductive media
US5917614A (en) Method and apparatus for error diffusion screening of images with improved smoothness in highlight and shadow regions
EP0533411A2 (de) Dichtes schwarzes Bild erzeugender Farbdruck
DE69029237T2 (de) Ein Abbildungsgerät
DE69309571T2 (de) Fehlerdiffusion hoher Adressierbarkeit und minimaler Markengrösse
CA1204880A (en) Method of automatically determining and controlling the print quality of a printer
US20040095592A1 (en) Method for printing a halftone digital image
US4594596A (en) Laser beam recording method
EP0484900B1 (de) Verfahren und Vorrichtung zum Ändern der Farbdichte für einen Drucker
US7099044B2 (en) Color image processing apparatus and method and color image forming apparatus and method
US6229624B1 (en) Transform for digital images
WO2001091453A1 (en) Calibrating printing machines
EP0754386B1 (de) Methode und vorrichtung zur selektiven linearisierung von zellen in einer graviermaschine
US4685069A (en) Heat storage correction apparatus
US5131767A (en) Halftone printing system
US6857716B1 (en) Print-controlling method and print-controlling device for printer
CA2037693A1 (en) Laser printer_with parameter switching in accordance with scanning density
US6831756B1 (en) Image processing method and apparatus for performing halftone conversion

Legal Events

Date Code Title Description
MKEX Expiry