GB1582490A - Apparatus for determining the optical density distribution of an image bearing member - Google Patents

Apparatus for determining the optical density distribution of an image bearing member Download PDF

Info

Publication number
GB1582490A
GB1582490A GB37996/77A GB3799677A GB1582490A GB 1582490 A GB1582490 A GB 1582490A GB 37996/77 A GB37996/77 A GB 37996/77A GB 3799677 A GB3799677 A GB 3799677A GB 1582490 A GB1582490 A GB 1582490A
Authority
GB
United Kingdom
Prior art keywords
photo
image bearing
transducers
bearing member
electric
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
GB37996/77A
Other languages
English (en)
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.)
Siemens Corp
Original Assignee
Siemens 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
Application filed by Siemens Corp filed Critical Siemens Corp
Publication of GB1582490A publication Critical patent/GB1582490A/en
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/84Systems specially adapted for particular applications
    • G01N21/86Investigating moving sheets
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41FPRINTING MACHINES OR PRESSES
    • B41F33/00Indicating, counting, warning, control or safety devices
    • B41F33/0027Devices for scanning originals, printing formes or the like for determining or presetting the ink supply

Landscapes

  • General Health & Medical Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • Immunology (AREA)
  • General Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Pathology (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
  • Facsimile Scanning Arrangements (AREA)
  • Inking, Control Or Cleaning Of Printing Machines (AREA)
  • Manufacture Or Reproduction Of Printing Formes (AREA)
GB37996/77A 1976-09-13 1977-09-12 Apparatus for determining the optical density distribution of an image bearing member Expired GB1582490A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2641130A DE2641130C3 (de) 1976-09-13 1976-09-13 Einrichtung zur Ermittlung der Dichte einer Druckvorlage

Publications (1)

Publication Number Publication Date
GB1582490A true GB1582490A (en) 1981-01-07

Family

ID=5987788

Family Applications (1)

Application Number Title Priority Date Filing Date
GB37996/77A Expired GB1582490A (en) 1976-09-13 1977-09-12 Apparatus for determining the optical density distribution of an image bearing member

Country Status (5)

Country Link
DE (1) DE2641130C3 (enExample)
FI (1) FI61761C (enExample)
FR (1) FR2364124A1 (enExample)
GB (1) GB1582490A (enExample)
SE (1) SE411867B (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4210343A1 (de) * 1992-03-30 1993-10-14 Berthold Lab Prof Dr Vorrichtung zur optischen Densitometrie

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4180741A (en) * 1978-06-07 1979-12-25 Harris Corporation Apparatus for determining image areas for printing with calibration
DE3029273A1 (de) * 1979-08-03 1981-02-19 Dainippon Printing Co Ltd Vorrichtung zum messen des druckbildbereiches einer offset-druckplatte
DE3009690C2 (de) * 1980-03-13 1982-06-24 Heimann Gmbh, 6200 Wiesbaden Optische Anordnung zum Messen des mittleren Grauwertes einer reflektierenden Fläche
JPS57142548A (en) * 1981-02-27 1982-09-03 Dainippon Screen Mfg Co Ltd Photographic density detector for film
DE3309443A1 (de) * 1982-05-29 1983-12-08 Heidelberger Druckmaschinen Ag, 6900 Heidelberg Verfahren zur ermittlung der flaechendeckung einer druckvorlage oder druckplatte fuer druckmaschinen
DE3322665A1 (de) * 1983-06-23 1985-01-03 Siemens AG, 1000 Berlin und 8000 München Farbdichtemessgeraet
DD276656A1 (de) * 1988-11-07 1990-03-07 Polygraph Leipzig Einrichtung zur ermittlung des druckenden flaechenanteiles fuer druckmaschinen
DE4022020A1 (de) * 1990-07-11 1992-01-16 Gao Ges Automation Org Vorrichtung und verfahren zur pruefung von dokumenten

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4210343A1 (de) * 1992-03-30 1993-10-14 Berthold Lab Prof Dr Vorrichtung zur optischen Densitometrie

Also Published As

Publication number Publication date
SE411867B (sv) 1980-02-11
FR2364124A1 (fr) 1978-04-07
SE7709984L (sv) 1978-03-14
FR2364124B3 (enExample) 1980-06-27
FI772448A7 (fi) 1978-03-14
FI61761B (fi) 1982-05-31
DE2641130A1 (de) 1978-03-16
DE2641130B2 (de) 1979-08-16
DE2641130C3 (de) 1980-05-08
FI61761C (fi) 1982-09-10

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee