JPS53110547A - Printing drop-out detection method - Google Patents

Printing drop-out detection method

Info

Publication number
JPS53110547A
JPS53110547A JP2525377A JP2525377A JPS53110547A JP S53110547 A JPS53110547 A JP S53110547A JP 2525377 A JP2525377 A JP 2525377A JP 2525377 A JP2525377 A JP 2525377A JP S53110547 A JPS53110547 A JP S53110547A
Authority
JP
Japan
Prior art keywords
detection method
out detection
printing drop
advancing direction
blank part
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.)
Pending
Application number
JP2525377A
Other languages
Japanese (ja)
Inventor
Takanobu Morita
Takashi Hasebe
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.)
Omron Corp
Original Assignee
Omron Tateisi Electronics Co
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 Omron Tateisi Electronics Co filed Critical Omron Tateisi Electronics Co
Priority to JP2525377A priority Critical patent/JPS53110547A/en
Publication of JPS53110547A publication Critical patent/JPS53110547A/en
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/84—Systems specially adapted for particular applications
    • G01N21/88—Investigating the presence of flaws or contamination
    • G01N21/89—Investigating the presence of flaws or contamination in moving material, e.g. running paper or textiles
    • G01N21/8901—Optical details; Scanning details

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Inking, Control Or Cleaning Of Printing Machines (AREA)
  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)

Abstract

PURPOSE:To automatically detect printing drop-out through discrimination of blank part and printed part and from the length in the advancing direction of the blank part by repeatedly scanning a strip form sheet printed with specified marks at repetitive patterns optically at a suitable angle to its advancing direction.
JP2525377A 1977-03-08 1977-03-08 Printing drop-out detection method Pending JPS53110547A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2525377A JPS53110547A (en) 1977-03-08 1977-03-08 Printing drop-out detection method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2525377A JPS53110547A (en) 1977-03-08 1977-03-08 Printing drop-out detection method

Publications (1)

Publication Number Publication Date
JPS53110547A true JPS53110547A (en) 1978-09-27

Family

ID=12160827

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2525377A Pending JPS53110547A (en) 1977-03-08 1977-03-08 Printing drop-out detection method

Country Status (1)

Country Link
JP (1) JPS53110547A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59128418A (en) * 1983-01-13 1984-07-24 Toppan Printing Co Ltd Printed material inspecting device
EP0311990A2 (en) * 1987-10-15 1989-04-19 Futec Incorporated Method and apparatus for detecting disparity of cyclic length of printed patterns

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59128418A (en) * 1983-01-13 1984-07-24 Toppan Printing Co Ltd Printed material inspecting device
EP0311990A2 (en) * 1987-10-15 1989-04-19 Futec Incorporated Method and apparatus for detecting disparity of cyclic length of printed patterns
US5060281A (en) * 1987-10-15 1991-10-22 Futec, Inc. Method and apparatus for detecting disparity of cyclic length of printed patterns

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