DD219731A1 - Einrichtung zur messung der farbdichte - Google Patents

Einrichtung zur messung der farbdichte Download PDF

Info

Publication number
DD219731A1
DD219731A1 DD83256651A DD25665183A DD219731A1 DD 219731 A1 DD219731 A1 DD 219731A1 DD 83256651 A DD83256651 A DD 83256651A DD 25665183 A DD25665183 A DD 25665183A DD 219731 A1 DD219731 A1 DD 219731A1
Authority
DD
German Democratic Republic
Prior art keywords
measuring
light source
color density
reflector
elliptical reflector
Prior art date
Application number
DD83256651A
Other languages
German (de)
English (en)
Inventor
Bernd Morgenstern
Helmut Weigend
Peter Reinhardt
Original Assignee
Polygraph Leipzig
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 Polygraph Leipzig filed Critical Polygraph Leipzig
Priority to DD83256651A priority Critical patent/DD219731A1/de
Priority to DE19843426189 priority patent/DE3426189A1/de
Priority to FR8412481A priority patent/FR2554764B1/fr
Priority to US06/668,074 priority patent/US4690564A/en
Priority to SE8405696A priority patent/SE8405696L/
Publication of DD219731A1 publication Critical patent/DD219731A1/de

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
    • B41F33/0063—Devices for measuring the thickness of liquid films on rollers or cylinders
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B11/00—Measuring arrangements characterised by the use of optical techniques
    • G01B11/02—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
    • G01B11/06—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness for measuring thickness ; e.g. of sheet material
    • G01B11/0616—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness for measuring thickness ; e.g. of sheet material of coating

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Spectrometry And Color Measurement (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Length Measuring Devices By Optical Means (AREA)
DD83256651A 1983-11-14 1983-11-14 Einrichtung zur messung der farbdichte DD219731A1 (de)

Priority Applications (5)

Application Number Priority Date Filing Date Title
DD83256651A DD219731A1 (de) 1983-11-14 1983-11-14 Einrichtung zur messung der farbdichte
DE19843426189 DE3426189A1 (de) 1983-11-14 1984-07-16 Einrichtung zur messung der farbdichte
FR8412481A FR2554764B1 (fr) 1983-11-14 1984-08-07 Installation pour la mesure de l'epaisseur d'une couche de couleur apportee dans une machine a imprimer en marche
US06/668,074 US4690564A (en) 1983-11-14 1984-11-05 Device for measuring ink density on printed surfaces
SE8405696A SE8405696L (sv) 1983-11-14 1984-11-13 Anordning for metning av fergtetheten

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DD83256651A DD219731A1 (de) 1983-11-14 1983-11-14 Einrichtung zur messung der farbdichte

Publications (1)

Publication Number Publication Date
DD219731A1 true DD219731A1 (de) 1985-03-13

Family

ID=5551894

Family Applications (1)

Application Number Title Priority Date Filing Date
DD83256651A DD219731A1 (de) 1983-11-14 1983-11-14 Einrichtung zur messung der farbdichte

Country Status (5)

Country Link
US (1) US4690564A (fr)
DD (1) DD219731A1 (fr)
DE (1) DE3426189A1 (fr)
FR (1) FR2554764B1 (fr)
SE (1) SE8405696L (fr)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5118183A (en) * 1989-02-10 1992-06-02 X-Rite, Incorporated Automated strip reader densitometer
DE3904854C1 (fr) * 1989-02-17 1990-04-26 Jagusch & Co, 8649 Wallenfels, De
US5012346A (en) * 1989-10-16 1991-04-30 Eastman Kodak Company Illumination system for a film scanner
US5047652A (en) * 1990-04-16 1991-09-10 International Paper Company System for on-line measurement of color, opacity and reflectance of a translucent moving web
US5103385A (en) * 1990-07-27 1992-04-07 Eastman Kodak Company Linear light source
US5155596A (en) * 1990-12-03 1992-10-13 Eastman Kodak Company Film scanner illumination system having an automatic light control
US7502116B2 (en) * 2003-09-09 2009-03-10 Hewlett-Packard Development Company, L.P. Densitometers and methods for measuring optical density
US7296518B2 (en) * 2005-04-19 2007-11-20 Sun Chemical Corporation Methods for measurement and control of ink concentration and film thickness
US7077064B1 (en) * 2005-04-19 2006-07-18 Sun Chemical Corporation Methods for measurement and control of ink concentration and film thickness
US8717647B2 (en) * 2005-10-13 2014-05-06 Hewlett-Packard Development Company, L.P. Imaging methods, imaging device calibration methods, imaging devices, and hard imaging device sensor assemblies
WO2009110880A1 (fr) * 2008-03-01 2009-09-11 Hewlett-Packard Development Company, L.P. Détection de colorants dans un liquide support

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR998651A (fr) * 1949-09-30 1952-01-22 Ets Claude Paz & Silva Perfectionnement aux appareils d'éclairage comportant un réflecteur et au moins une source lumineuse
US3191026A (en) * 1962-10-31 1965-06-22 Perret Samuel Leon Projector of radiations
DE2023467A1 (de) * 1970-05-13 1971-11-25 Forschungsges F Druck U Reprod Vorrichtung zur Messung der Farbdichte
DE2634241A1 (de) * 1975-10-06 1977-04-14 Ibm Hochwirksames beleuchtungssystem
US4003660A (en) * 1975-12-03 1977-01-18 Hunter Associates Laboratory, Inc. Sensing head assembly for multi-color printing press on-line densitometer
US4252443A (en) * 1979-08-09 1981-02-24 Domtar Inc. Blackening sensor
FR2503832B1 (fr) * 1981-04-14 1986-04-04 Cibie Projecteurs Projecteur de vehicule automobile a fenetre de sortie etroite
US4422100A (en) * 1982-03-08 1983-12-20 The Mead Corporation Document scanning apparatus

Also Published As

Publication number Publication date
DE3426189A1 (de) 1985-05-30
FR2554764B1 (fr) 1988-10-07
SE8405696L (sv) 1985-05-15
US4690564A (en) 1987-09-01
FR2554764A1 (fr) 1985-05-17
SE8405696D0 (sv) 1984-11-13

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