IT8967737A0 - DEVICE FOR QUALITY CONTROL OF PRINTED MATERIAL - Google Patents

DEVICE FOR QUALITY CONTROL OF PRINTED MATERIAL

Info

Publication number
IT8967737A0
IT8967737A0 IT8967737A IT6773789A IT8967737A0 IT 8967737 A0 IT8967737 A0 IT 8967737A0 IT 8967737 A IT8967737 A IT 8967737A IT 6773789 A IT6773789 A IT 6773789A IT 8967737 A0 IT8967737 A0 IT 8967737A0
Authority
IT
Italy
Prior art keywords
quality control
printed material
printed
quality
control
Prior art date
Application number
IT8967737A
Other languages
Italian (it)
Other versions
IT1233193B (en
Inventor
Jirschik Uwe Michael
Jirschik Kornelia
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
Publication of IT8967737A0 publication Critical patent/IT8967737A0/en
Application granted granted Critical
Publication of IT1233193B publication Critical patent/IT1233193B/en

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V8/00—Prospecting or detecting by optical means
    • G01V8/10—Detecting, e.g. by using light barriers
    • G01V8/12—Detecting, e.g. by using light barriers using one transmitter and one receiver
    • 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
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H7/00—Controlling article feeding, separating, pile-advancing, or associated apparatus, to take account of incorrect feeding, absence of articles, or presence of faulty articles
    • B65H7/02—Controlling article feeding, separating, pile-advancing, or associated apparatus, to take account of incorrect feeding, absence of articles, or presence of faulty articles by feelers or detectors
    • B65H7/14—Controlling article feeding, separating, pile-advancing, or associated apparatus, to take account of incorrect feeding, absence of articles, or presence of faulty articles by feelers or detectors by photoelectric feelers or detectors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2511/00—Dimensions; Position; Numbers; Identification; Occurrences
    • B65H2511/50—Occurence
    • B65H2511/51—Presence
    • B65H2511/514—Particular portion of element
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2515/00—Physical entities not provided for in groups B65H2511/00 or B65H2513/00
    • B65H2515/60—Optical characteristics, e.g. colour, light
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2515/00—Physical entities not provided for in groups B65H2511/00 or B65H2513/00
    • B65H2515/84—Quality; Condition, e.g. degree of wear
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2553/00—Sensing or detecting means
    • B65H2553/40—Sensing or detecting means using optical, e.g. photographic, elements
    • B65H2553/41—Photoelectric detectors
    • B65H2553/412—Photoelectric detectors in barrier arrangements, i.e. emitter facing a receptor element
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2553/00—Sensing or detecting means
    • B65H2553/40—Sensing or detecting means using optical, e.g. photographic, elements
    • B65H2553/41—Photoelectric detectors
    • B65H2553/414—Photoelectric detectors involving receptor receiving light reflected by a reflecting surface and emitted by a separate emitter
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00—Handled material; Storage means
    • B65H2701/10—Handled articles or webs
    • B65H2701/13—Parts concerned of the handled material
    • B65H2701/131—Edges

Landscapes

  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Geophysics (AREA)
  • Engineering & Computer Science (AREA)
  • Quality & Reliability (AREA)
  • Controlling Sheets Or Webs (AREA)
IT8967737A 1988-09-02 1989-09-04 DEVICE FOR QUALITY CONTROL OF THE PRINTED MATERIAL IT1233193B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DD88319455A DD275229A1 (en) 1988-09-02 1988-09-02 DEVICE FOR MONITORING THE PRINT QUALITY

Publications (2)

Publication Number Publication Date
IT8967737A0 true IT8967737A0 (en) 1989-09-04
IT1233193B IT1233193B (en) 1992-03-16

Family

ID=5602164

Family Applications (1)

Application Number Title Priority Date Filing Date
IT8967737A IT1233193B (en) 1988-09-02 1989-09-04 DEVICE FOR QUALITY CONTROL OF THE PRINTED MATERIAL

Country Status (3)

Country Link
DD (1) DD275229A1 (en)
DE (1) DE3929085A1 (en)
IT (1) IT1233193B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4041363A1 (en) * 1990-12-20 1992-07-02 Hermann Gmbh Co Heinrich Transparent object detection arrangement for moving glass bottles - has two light barriers inclined at acute angle with logic circuit for combining their output signals
DE59208787D1 (en) * 1991-03-21 1997-09-18 Wifag Maschf Process for setting the screen dot sizes for an offset rotary printing press
DE19536026A1 (en) * 1995-09-27 1996-05-23 Siemens Nixdorf Inf Syst Light barrier system with contamination detection
DE19839305B4 (en) 1998-08-28 2009-01-15 Siemens Ag Retroreflex
DE10128557A1 (en) * 2001-06-14 2002-12-19 Nexpress Solutions Llc Method and device for recognizing a more opaque area or object by means of a light barrier

Also Published As

Publication number Publication date
DE3929085A1 (en) 1990-03-29
IT1233193B (en) 1992-03-16
DD275229A1 (en) 1990-01-17

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