EP0264562B1 - Dispositif pour la lecture densitométrique d'un ruban de mesure dans les machines d'impression - Google Patents

Dispositif pour la lecture densitométrique d'un ruban de mesure dans les machines d'impression Download PDF

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Publication number
EP0264562B1
EP0264562B1 EP87111628A EP87111628A EP0264562B1 EP 0264562 B1 EP0264562 B1 EP 0264562B1 EP 87111628 A EP87111628 A EP 87111628A EP 87111628 A EP87111628 A EP 87111628A EP 0264562 B1 EP0264562 B1 EP 0264562B1
Authority
EP
European Patent Office
Prior art keywords
measuring
density
receivers
measured
strip
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
EP87111628A
Other languages
German (de)
English (en)
Other versions
EP0264562A2 (fr
EP0264562A3 (en
Inventor
Claus Dipl.-Ing. Simeth
Peter Dipl.-Ing. Schramm
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.)
Manroland AG
Original Assignee
MAN Roland Druckmaschinen AG
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 MAN Roland Druckmaschinen AG filed Critical MAN Roland Druckmaschinen AG
Priority to AT87111628T priority Critical patent/ATE63858T1/de
Publication of EP0264562A2 publication Critical patent/EP0264562A2/fr
Publication of EP0264562A3 publication Critical patent/EP0264562A3/de
Application granted granted Critical
Publication of EP0264562B1 publication Critical patent/EP0264562B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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

Claims (3)

  1. Dispositif pour machines imprimantes pour la lecture densitométrique d'une bande de mesure, imprimée sur une feuille d'impression, qui peut être explorée au moyen d'une tête de lecture multiple (2) mobile dans un guide le long de la bande de mesure (5),
    caractérisé en ce que, sur la tête de lecture multiple (2), sont prévus l'un à côté de l'autre une pluralité de capteurs (7) de valeurs de mesures densitométriques, agencés transversalement à la bande de mesure (5), en ce qu'un comparateur (16) est prévu, auquel peuvent être amenées les valeurs densitométriques mesurées dans les capteurs individuels (7), grâce à quoi les valeurs densitométriques les plus élevées, représentant la position de la tête de lecture multiple (2) par rapport à la bande de mesure, peuvent être déterminées dans un circuit d'exploitation (17) disposé en aval, et un signal pour la commande d'un affichage (18,20) et/ou du moteur d'entraînement (19) de la tête de lecture multiple (2) peut être initié.
  2. Dispositif selon la revendication 1,
    caractérisé en ce que les val eurs de mesures densitométriques les plus élevées, déterminées par les capteurs (7), choisies et moyennées, sont délivrées à l'affichage.
  3. Dispositif selon la revendication 1,
    caractérisé en ce que les valeurs de mesure s'écartant de la valeur la plus élevée déterminée d'une différence fixée sont éliminées lors de l'exploitation desdites valeurs.
EP87111628A 1986-09-13 1987-08-11 Dispositif pour la lecture densitométrique d'un ruban de mesure dans les machines d'impression Expired - Lifetime EP0264562B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT87111628T ATE63858T1 (de) 1986-09-13 1987-08-11 Vorrichtung an druckmaschinen zur densitometrischen erfassung eines messfeldstreifens.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3631204 1986-09-13
DE3631204A DE3631204C2 (de) 1986-09-13 1986-09-13 Vorrichtung an Druckmaschinen zur densitometrischen Erfassung eines Meßfeldstreifens

Publications (3)

Publication Number Publication Date
EP0264562A2 EP0264562A2 (fr) 1988-04-27
EP0264562A3 EP0264562A3 (en) 1988-12-21
EP0264562B1 true EP0264562B1 (fr) 1991-05-29

Family

ID=6309523

Family Applications (1)

Application Number Title Priority Date Filing Date
EP87111628A Expired - Lifetime EP0264562B1 (fr) 1986-09-13 1987-08-11 Dispositif pour la lecture densitométrique d'un ruban de mesure dans les machines d'impression

Country Status (5)

Country Link
US (1) US4806002A (fr)
EP (1) EP0264562B1 (fr)
JP (1) JPH0627704B2 (fr)
AT (1) ATE63858T1 (fr)
DE (2) DE3631204C2 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6707554B1 (en) 1998-09-29 2004-03-16 Roche Diagnostics Gmbh Method for the photometric analysis of test elements

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3738850A1 (de) * 1987-11-16 1989-05-24 Roland Man Druckmasch Verfahren zur automatischen positionsfindung von druckkontrollstreifen fuer automatisch messende farbdichtemessanlagen
US5078497A (en) * 1989-08-25 1992-01-07 Xerox Corporation Densitometer for a liquid developer material
US5119132A (en) * 1990-10-24 1992-06-02 Xerox Corporation Densitometer and circuitry with improved measuring capabilities of marking particle density on a photoreceptor
DE29721199U1 (de) * 1997-11-29 1998-01-29 Roland Man Druckmasch Meßsystem
US6847451B2 (en) * 2002-05-01 2005-01-25 Lifescan, Inc. Apparatuses and methods for analyte concentration determination
US7636163B2 (en) 2007-07-23 2009-12-22 X-Rite, Inc. Color measurement device with error detection

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3567923A (en) * 1968-04-03 1971-03-02 Hurlectron Inc System for monitoring and controlling the color density of ink during printing
US3756725A (en) * 1970-10-12 1973-09-04 Harris Intertype Corp Measurement and control of ink density
JPS498312A (fr) * 1972-05-13 1974-01-24
US3995958A (en) * 1975-07-21 1976-12-07 Hallmark Cards, Incorporated Automatic densitometer and method of color control in multi-color printing
US4237616A (en) * 1978-10-13 1980-12-09 Tobias Philip E Scanning path alignment arrangement
DD158758A1 (de) * 1981-05-04 1983-02-02 Eva Luebbe Einrichtung zur erfassung und auswertung der zonalen farbdichte von bedruckstoffen
US4512662A (en) * 1981-07-06 1985-04-23 Tobias Philip E Plate scanner for printing plates
ATE26674T1 (de) * 1983-01-29 1987-05-15 Roland Man Druckmasch Vorrichtung zum ermitteln und auswerten von farbmessfeldern auf einem druckbogen.
US4665496A (en) * 1983-11-04 1987-05-12 Gretag Aktiengesellschaft Process and apparatus for the evaluation of the printing quality of a printed product by an offset printing machine
DE3483606D1 (de) * 1983-12-19 1990-12-20 Gretag Ag Verfahren, vorrichtung und farbmessstreifen fuer die druckqualitaetsbeurteilung.

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6707554B1 (en) 1998-09-29 2004-03-16 Roche Diagnostics Gmbh Method for the photometric analysis of test elements

Also Published As

Publication number Publication date
US4806002A (en) 1989-02-21
EP0264562A2 (fr) 1988-04-27
JPH0627704B2 (ja) 1994-04-13
JPS6371638A (ja) 1988-04-01
DE3631204C2 (de) 1993-11-25
DE3631204A1 (de) 1988-03-24
ATE63858T1 (de) 1991-06-15
EP0264562A3 (en) 1988-12-21
DE3770403D1 (de) 1991-07-04

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