EP0095126A2 - Procédé d'analyse colorimétrique d'une feuille imprimée sur les deux faces - Google Patents
Procédé d'analyse colorimétrique d'une feuille imprimée sur les deux faces Download PDFInfo
- Publication number
- EP0095126A2 EP0095126A2 EP83104845A EP83104845A EP0095126A2 EP 0095126 A2 EP0095126 A2 EP 0095126A2 EP 83104845 A EP83104845 A EP 83104845A EP 83104845 A EP83104845 A EP 83104845A EP 0095126 A2 EP0095126 A2 EP 0095126A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- color
- measuring
- colors
- sheet
- assigned
- 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.)
- Granted
Links
Images
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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41P—INDEXING SCHEME RELATING TO PRINTING, LINING MACHINES, TYPEWRITERS, AND TO STAMPS
- B41P2233/00—Arrangements for the operation of printing presses
- B41P2233/50—Marks on printed material
- B41P2233/51—Marks on printed material for colour quality control
Definitions
- the invention relates to a method for colorimetric evaluation of a sheet printed on both sides using a scanning densitometer, the measuring head of which is guided under machine control along a print control strip to be evaluated and thereby generates a large number of color density values representing the color properties of the control strip.
- So-called densitometers are widely used for colorimetric evaluation of a sheet, particularly in the printing industry. They enable the printer to evaluate the quality of the printed products and to adjust the printing units accordingly with regard to the desired result by evaluating a color measurement strip that is also printed and comparing the measured values found with target values.
- both sheets or web pages are printed in one machine pass.
- To monitor or control the individual colors of the two sides using the known measuring devices by means of pressure control strips it was previously necessary to mount separate sets of measuring strips on both sides of the sheet to be printed. This does not create any problems when evaluating using hand densitometers as long as the measured values have been entered on the measuring field itself or in prepared lists.
- When using an automatic measuring system with data output on the screen and / or printer and / or direct data transmission to the control unit of a printing press it is disadvantageous that the measured values determined are not sorted by color and additionally can be output correctly. This complicates the handling of such measuring devices for the printer.
- the object of the invention is to provide a method for colorimetric evaluation of a sheet printed on both sides, in which individual colors are monitored on both sides by means of print control strips and the associated inking units are controlled, such that when using an automatic measuring system with data output on the screen and / or Printer and / or direct data transfer for. Control unit of a printing press, the measured values are sorted by color and additionally output correctly.
- the object is achieved according to the characterizing features of claim 1.
- the advantages of the solution found are that only one set of control strips is required with a measuring system operating according to the described method.
- the measuring points for the individual colors are precisely defined and the measured values are sorted by color and output correctly. Only one data carrier has to be used, which ensures that the color-oriented data transmission to a control unit is unique, because each color code can only be assigned once.
- the method offers the advantage that the different lateral arrangement of the different measuring fields on the front and back of the measuring device automatically detects whether it is the perfect side or the reverse side, so that it does not matter whether the or the reverse side is measured.
- Fig. 1 shows a section of a print control strip 1, in which the individual measuring fields 2 for the respective colors are designated with the letters B, C, M, Y and X. These abbreviations are repeated over and over the length of the print control strip 1.
- Fig. 2 the edge of the printed sheet 3 is shown, namely the face side.
- the measuring fields 4 with the abbreviations B, C and M are provided. These can be the corresponding colors black, cyan and magenta.
- Fig. 3 shows the reverse side of the sheet 3, on the edge of which parts of the print control strip 1 are also printed.
- the measuring fields 5 shown are labeled Y and X, where Y can be provided for yellow and X for a special fifth color.
- the measuring fields applied on the front and back printing sides form a set of control strips with parts of a single print control strip.
Landscapes
- Engineering & Computer Science (AREA)
- Quality & Reliability (AREA)
- Inking, Control Or Cleaning Of Printing Machines (AREA)
- Spectrometry And Color Measurement (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3219743A DE3219743C2 (de) | 1982-05-26 | 1982-05-26 | Verfahren zur farbmetrischen Auswertung eines auf der Schöndruck- und auf der Widerdruckseite in einem Maschinendurchgang bedruckten Bogens |
DE3219743 | 1982-05-26 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0095126A2 true EP0095126A2 (fr) | 1983-11-30 |
EP0095126A3 EP0095126A3 (en) | 1985-05-15 |
EP0095126B1 EP0095126B1 (fr) | 1986-12-17 |
Family
ID=6164521
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP83104845A Expired EP0095126B1 (fr) | 1982-05-26 | 1983-05-17 | Procédé d'analyse colorimétrique d'une feuille imprimée sur les deux faces |
Country Status (4)
Country | Link |
---|---|
US (1) | US4637728A (fr) |
EP (1) | EP0095126B1 (fr) |
JP (1) | JPS58214822A (fr) |
DE (1) | DE3219743C2 (fr) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0272468A2 (fr) * | 1986-12-20 | 1988-06-29 | Heidelberger Druckmaschinen Aktiengesellschaft | Marques de contrôle de l'impression |
EP0274061A2 (fr) * | 1986-12-08 | 1988-07-13 | Komori Corporation | Synchronisation de la position de mesure pour un densitomètre de balayage |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3438325A1 (de) * | 1984-10-19 | 1986-04-24 | Miller-Johannisberg Druckmaschinen Gmbh, 6200 Wiesbaden | Mehrfarben-bogendruckmaschine fuer schoendruck sowie schoen- und widerdruck mit mindestens einer zwischen jeweils zwei druckwerken liegenden bogen-wendeeinrichtung |
DE3643720C2 (de) * | 1986-12-20 | 1994-03-10 | Heidelberger Druckmasch Ag | Verfahren zum Ermitteln von Steuer- /Regelgrößen für das Farbwerk von Druckmaschinen |
DE4338975A1 (de) * | 1993-11-15 | 1995-05-18 | Fogra Forschungsgesellschaft D | Kontrollfeld sowie Verfahren und Vorrichtung zu seiner Herstellung |
US6058201A (en) * | 1995-05-04 | 2000-05-02 | Web Printing Controls Co., Inc. | Dynamic reflective density measuring and control system for a web printing press |
US5774225A (en) | 1996-03-27 | 1998-06-30 | Advanced Vision Technology, Ltd. | System and method for color measurement and control on-press during printing |
US6499402B1 (en) | 2000-05-17 | 2002-12-31 | Web Printing Controls Co., Inc. | System for dynamically monitoring and controlling a web printing press |
JP4072101B2 (ja) * | 2003-06-30 | 2008-04-09 | リョービ株式会社 | 両面カラー印刷物におけるカラーバーの認識方法並びにカラー印刷品質管理システム及びカラー印刷品質評価装置 |
JP2006346955A (ja) * | 2005-06-15 | 2006-12-28 | Dainippon Screen Mfg Co Ltd | 印刷管理スケール、印刷システムおよび印刷方法 |
JP5185545B2 (ja) * | 2006-03-06 | 2013-04-17 | ハイデルベルガー ドルツクマシーネン アクチエンゲゼルシヤフト | 色測定ストライプを識別する方法 |
DE102008056170B4 (de) | 2007-11-30 | 2022-11-10 | Heidelberger Druckmaschinen Ag | Farbmessgerät mit automatischer Seitenerkennung |
DE102008025417A1 (de) * | 2008-05-27 | 2009-12-03 | Manroland Ag | Verfahren zur Ermittlung von Parametern eines Druckprozesses |
CN103465624B (zh) * | 2013-09-03 | 2015-09-16 | 天津市汇源印刷有限公司 | 一种新型印刷油墨优化法 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3970393A (en) * | 1974-07-23 | 1976-07-20 | Harris Corporation | Automatic compensation for densitometer imbalance |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH538680A (de) * | 1971-11-03 | 1973-06-30 | Gretag Ag | Verfahren und Vorrichtung zur maschinellen Messung der Farbdichte von auf eine laufende Bahn aufgebrachten Druckfarben, insbesondere beim Mehrfarben-Tiefdruck |
US4289405A (en) * | 1978-10-13 | 1981-09-15 | Tobias Philip E | Color monitoring system for use in creating colored displays |
DE3024773A1 (de) * | 1980-06-30 | 1982-01-28 | Grapho-Metronic Meß- und Regeltechnik GmbH & Co, KG, 8000 München | Verfahren und einrichtung zur kontrolle und zum steuern der farbgebung einer mehrfarben-druckmaschine |
DE3265740D1 (en) * | 1981-04-03 | 1985-10-03 | Gretag Ag | Method and device for the colorimetric analysis of a printed colour test scale |
DE3219744A1 (de) * | 1982-05-26 | 1983-12-01 | Heidelberger Druckmaschinen Ag, 6900 Heidelberg | Einrichtung fuer die stand- und passgerechte filmmontage von druckkontrollstreifen |
JPS6128089A (ja) * | 1984-07-14 | 1986-02-07 | 吉國織物株式会社 | 後染絣織物の製造法 |
-
1982
- 1982-05-26 DE DE3219743A patent/DE3219743C2/de not_active Expired
-
1983
- 1983-05-17 EP EP83104845A patent/EP0095126B1/fr not_active Expired
- 1983-05-24 JP JP58090124A patent/JPS58214822A/ja active Granted
- 1983-05-25 US US06/497,748 patent/US4637728A/en not_active Expired - Lifetime
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3970393A (en) * | 1974-07-23 | 1976-07-20 | Harris Corporation | Automatic compensation for densitometer imbalance |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0274061A2 (fr) * | 1986-12-08 | 1988-07-13 | Komori Corporation | Synchronisation de la position de mesure pour un densitomètre de balayage |
EP0274061A3 (en) * | 1986-12-08 | 1989-11-29 | Komori Printing Machinery Co., Ltd. | Measurement position synchronization method for a scanning densitometer |
EP0272468A2 (fr) * | 1986-12-20 | 1988-06-29 | Heidelberger Druckmaschinen Aktiengesellschaft | Marques de contrôle de l'impression |
EP0272468A3 (en) * | 1986-12-20 | 1989-03-15 | Heidelberger Druckmaschinen Aktiengesellschaft | Print checking bars |
Also Published As
Publication number | Publication date |
---|---|
JPH0331209B2 (fr) | 1991-05-02 |
DE3219743C2 (de) | 1985-01-10 |
JPS58214822A (ja) | 1983-12-14 |
US4637728A (en) | 1987-01-20 |
EP0095126A3 (en) | 1985-05-15 |
DE3219743A1 (de) | 1983-12-01 |
EP0095126B1 (fr) | 1986-12-17 |
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