GB1380452A - Method of detecting faults - Google Patents

Method of detecting faults

Info

Publication number
GB1380452A
GB1380452A GB3353272A GB3353272A GB1380452A GB 1380452 A GB1380452 A GB 1380452A GB 3353272 A GB3353272 A GB 3353272A GB 3353272 A GB3353272 A GB 3353272A GB 1380452 A GB1380452 A GB 1380452A
Authority
GB
United Kingdom
Prior art keywords
detectors
web
array
detector
output
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
GB3353272A
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.)
GAO Gesellschaft fuer Automation und Organisation mbH
Original Assignee
GAO Gesellschaft fuer Automation und Organisation mbH
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 GAO Gesellschaft fuer Automation und Organisation mbH filed Critical GAO Gesellschaft fuer Automation und Organisation mbH
Publication of GB1380452A publication Critical patent/GB1380452A/en
Expired 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
    • G01N21/95—Investigating the presence of flaws or contamination characterised by the material or shape of the object to be examined
    • G01N21/956—Inspecting patterns on the surface of objects

Landscapes

  • 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)
  • Inspection Of Paper Currency And Valuable Securities (AREA)
  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
GB3353272A 1971-07-30 1972-07-18 Method of detecting faults Expired GB1380452A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT665271A AT338544B (de) 1971-07-30 1971-07-30 Einrichtung zum erkennen von fehlern in papierbahnen

Publications (1)

Publication Number Publication Date
GB1380452A true GB1380452A (en) 1975-01-15

Family

ID=3588462

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3353272A Expired GB1380452A (en) 1971-07-30 1972-07-18 Method of detecting faults

Country Status (5)

Country Link
AT (1) AT338544B (show.php)
DE (1) DE2234818C3 (show.php)
FR (1) FR2149120A5 (show.php)
GB (1) GB1380452A (show.php)
IT (1) IT963349B (show.php)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH608628A5 (show.php) * 1975-11-21 1979-01-15 Sick Optik Elektronik Erwin
US4512662A (en) * 1981-07-06 1985-04-23 Tobias Philip E Plate scanner for printing plates
DE3713279C2 (de) * 1987-04-18 1994-01-20 Laser Sorter Gmbh Verfahren zum Erfassen von Dimensionsfehlern und/oder dem Verzug von Papierbahnen oder Formatpapieren
DE4232538A1 (de) * 1992-09-29 1994-03-31 Laser Sorter Gmbh Verfahren und Vorrichtung zum Prüfen von laufenden, opaken Materialbahnen auf das Vorhandensein von Löchern
DE4232550A1 (de) * 1992-09-29 1994-03-31 Laser Sorter Gmbh Verfahren zur Bestimmung der Größe von Fehlern, insbesondere von Löchern, in Materialien
CN109596623B (zh) * 2018-12-21 2021-07-06 无锡先导智能装备股份有限公司 一种缺陷检测方法及装置

Also Published As

Publication number Publication date
ATA665271A (de) 1976-12-15
DE2234818B2 (show.php) 1974-05-30
DE2234818A1 (de) 1973-01-25
AT338544B (de) 1977-08-25
IT963349B (it) 1974-01-10
DE2234818C3 (de) 1975-01-16
FR2149120A5 (show.php) 1973-03-23

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees