DE2963696D1 - Process for mechanically assessing the print quality of a printed product and device for performing the same - Google Patents

Process for mechanically assessing the print quality of a printed product and device for performing the same

Info

Publication number
DE2963696D1
DE2963696D1 DE7979810177T DE2963696T DE2963696D1 DE 2963696 D1 DE2963696 D1 DE 2963696D1 DE 7979810177 T DE7979810177 T DE 7979810177T DE 2963696 T DE2963696 T DE 2963696T DE 2963696 D1 DE2963696 D1 DE 2963696D1
Authority
DE
Germany
Prior art keywords
point
deviations
specimens
electronically
originals
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
DE7979810177T
Other languages
English (en)
Inventor
Kurt Ehrat
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.)
Gretag AG
Original Assignee
Gretag 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 Gretag AG filed Critical Gretag AG
Application granted granted Critical
Publication of DE2963696D1 publication Critical patent/DE2963696D1/de
Expired legal-status Critical Current

Links

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
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07D—HANDLING OF COINS OR VALUABLE PAPERS, e.g. TESTING, SORTING BY DENOMINATIONS, COUNTING, DISPENSING, CHANGING OR DEPOSITING
    • G07D7/00—Testing specially adapted to determine the identity or genuineness of valuable papers or for segregating those which are unacceptable, e.g. banknotes that are alien to a currency
    • G07D7/06—Testing specially adapted to determine the identity or genuineness of valuable papers or for segregating those which are unacceptable, e.g. banknotes that are alien to a currency using wave or particle radiation
    • G07D7/12—Visible light, infrared or ultraviolet radiation
    • G07D7/121—Apparatus characterised by sensor details

Landscapes

  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Quality & Reliability (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Inking, Control Or Cleaning Of Printing Machines (AREA)
  • Image Processing (AREA)
  • Facsimile Image Signal Circuits (AREA)
  • Apparatuses And Processes For Manufacturing Resistors (AREA)
  • General Factory Administration (AREA)
  • Facsimiles In General (AREA)
  • Electric Connection Of Electric Components To Printed Circuits (AREA)
  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
  • Inspection Of Paper Currency And Valuable Securities (AREA)
DE7979810177T 1978-12-18 1979-12-12 Process for mechanically assessing the print quality of a printed product and device for performing the same Expired DE2963696D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1283278 1978-12-18

Publications (1)

Publication Number Publication Date
DE2963696D1 true DE2963696D1 (en) 1982-11-04

Family

ID=4386786

Family Applications (1)

Application Number Title Priority Date Filing Date
DE7979810177T Expired DE2963696D1 (en) 1978-12-18 1979-12-12 Process for mechanically assessing the print quality of a printed product and device for performing the same

Country Status (6)

Country Link
US (1) US4303832A (de)
EP (1) EP0012723B1 (de)
JP (1) JPS5583840A (de)
AT (1) ATE1561T1 (de)
CA (1) CA1127868A (de)
DE (1) DE2963696D1 (de)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3174234D1 (en) * 1981-06-22 1986-05-07 Toshiba Kk System for identifying currency note
JPS5829085A (ja) * 1981-07-24 1983-02-21 富士通株式会社 紙幣鑑別方式
US4545031A (en) 1981-09-17 1985-10-01 Kita Electrics Co., Ltd. Photo-electric apparatus for monitoring printed papers
US4587434A (en) * 1981-10-22 1986-05-06 Cubic Western Data Currency note validator
NL8202920A (nl) * 1982-07-20 1984-02-16 Tno Inrichting voor het herkennen en onderzoeken van bladvormige voorwerpen zoals bankbiljetten of dergelijke.
US4811408A (en) * 1987-11-13 1989-03-07 Light Signatures, Inc. Image dissecting document verification system
US4924507A (en) * 1988-02-11 1990-05-08 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Real-time optical multiple object recognition and tracking system and method
DE4005558A1 (de) * 1990-02-22 1991-09-19 Roland Man Druckmasch Verfahren zur prozessdiagnose einer rotationsdruckmaschine anhand von remissionen von vollton- und rastertonfeldern
US5912988A (en) * 1996-12-27 1999-06-15 Xytec Corporation Image processing method and apparatus for distortion compensation
JP3488603B2 (ja) * 1997-09-16 2004-01-19 株式会社東芝 電子透かしを利用したコピープロテクトシステム
DE102009023963A1 (de) * 2009-06-05 2010-12-09 Robert Bosch Gmbh Verfahren zum Bestimmen eines Qualitätsmaßes für ein von einer Bearbeitungsmaschine bearbeitetes Produkt
JP5678595B2 (ja) * 2010-11-15 2015-03-04 株式会社リコー 検査装置、検査方法、検査プログラム、及びそのプログラムを記録した記録媒体
JP2019203690A (ja) * 2016-09-26 2019-11-28 株式会社日立産機システム 印字検査装置および印字検査方法
CN110501335B (zh) * 2019-08-23 2021-10-26 北京印刷学院 一种星标印品质量的检测与表征方法

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3275985A (en) * 1962-06-14 1966-09-27 Gen Dynamics Corp Pattern recognition systems using digital logic
AT311097B (de) * 1972-03-21 1973-10-25 Gao Ges Automation Org Verfahren zur Messung des Verschmutzungsgrades von Banknoten od.dgl.
FR2196494B1 (de) * 1972-07-28 1979-08-03 Titn
DE2650706A1 (de) * 1975-11-06 1977-05-18 Eduard Dr Ing Krochmann Verfahren und einrichtung zur automatischen fotoelektrischen durchfuehrung des vergleichs von ebenen werkstuecken, bedruckten blaettern oder urkunden mit einem urmuster
CH615031A5 (de) * 1976-04-30 1979-12-28 Gretag Ag
IT1068657B (it) * 1976-11-03 1985-03-21 Nuovo Pignone Spa Metodo perfezionato per il controllo di banconote ed apparecchiature per realizzarlo
US4179685A (en) * 1976-11-08 1979-12-18 Abbott Coin Counter Company, Inc. Automatic currency identification system
GB1592449A (en) * 1976-12-01 1981-07-08 Ferranti Ltd Optical inspection apparatus
JPS5379594A (en) * 1976-12-24 1978-07-14 Hitachi Ltd Surface inspecting apparatus of objects

Also Published As

Publication number Publication date
CA1127868A (en) 1982-07-20
EP0012723B1 (de) 1982-09-15
JPS5583840A (en) 1980-06-24
US4303832A (en) 1981-12-01
EP0012723A1 (de) 1980-06-25
ATE1561T1 (de) 1982-09-15

Similar Documents

Publication Publication Date Title
DE2963696D1 (en) Process for mechanically assessing the print quality of a printed product and device for performing the same
JPS5585992A (en) Examine method of printing quality
MX9400168A (es) Metodo de analisis de una imagen digital para identificar automaticamente un objeto en un fondo.
ATE361508T1 (de) Methode zur texturanalyse von digitalen bildern
CA2077326A1 (en) Scan image processing
EP0118905A3 (de) Adaptive Schwellenschaltung für Bildverarbeitung
MX172127B (es) Metodo y aparato para examinar un objeto
FR2386213A1 (fr) Procede de reproduction a resolution fine a partir d'un balayage a resolution grossiere
JPS5418759A (en) Optical scanner
JPS53146643A (en) Light scanning method
JPS56115073A (en) Picture scanning method
JPS578423A (en) Method for inspecting printed matter
JPS581150A (ja) 印刷用原稿評価方法
JPS63153141A (ja) 中間調画像複写における信号変換方法
JPS5461980A (en) Automatic inspector of surface flaws
GB2022352A (en) Colour printing process previewer
SU202727A1 (ru) Способ цветовой электронной коррекции
JPH01140855A (ja) テストチャートによるシェーディング検査方式
JPH0550910B2 (de)
JPS5528112A (en) Gauge for ptint quality measurement
IL108553A (en) Imaging method for detection of irregular regions
JPS5630366A (en) Picture coding method
JPS6220093A (ja) 印刷文字等の検査装置
GB1087770A (en) Improvements in or relating to image reproduction
JPS6446757A (en) Highly advanced machine for photomechanical process

Legal Events

Date Code Title Description
8339 Ceased/non-payment of the annual fee