DE3772614D1 - Vorrichtung zur guetepruefung. - Google Patents

Vorrichtung zur guetepruefung.

Info

Publication number
DE3772614D1
DE3772614D1 DE8787302987T DE3772614T DE3772614D1 DE 3772614 D1 DE3772614 D1 DE 3772614D1 DE 8787302987 T DE8787302987 T DE 8787302987T DE 3772614 T DE3772614 T DE 3772614T DE 3772614 D1 DE3772614 D1 DE 3772614D1
Authority
DE
Germany
Prior art keywords
sheet
good testing
facet
radiation
testing
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 - Fee Related
Application number
DE8787302987T
Other languages
English (en)
Inventor
Robert Noel West
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.)
Sira Ltd
Original Assignee
Sira Ltd
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 Sira Ltd filed Critical Sira Ltd
Application granted granted Critical
Publication of DE3772614D1 publication Critical patent/DE3772614D1/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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)
  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • Measurement Of Radiation (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
  • Non-Silver Salt Photosensitive Materials And Non-Silver Salt Photography (AREA)
  • Control Of High-Frequency Heating Circuits (AREA)
DE8787302987T 1986-04-28 1987-04-06 Vorrichtung zur guetepruefung. Expired - Fee Related DE3772614D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB868610305A GB8610305D0 (en) 1986-04-28 1986-04-28 Inspection apparatus

Publications (1)

Publication Number Publication Date
DE3772614D1 true DE3772614D1 (de) 1991-10-10

Family

ID=10596952

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8787302987T Expired - Fee Related DE3772614D1 (de) 1986-04-28 1987-04-06 Vorrichtung zur guetepruefung.

Country Status (7)

Country Link
US (1) US4797558A (de)
EP (1) EP0244102B1 (de)
JP (1) JPH07117500B2 (de)
AT (1) ATE67035T1 (de)
CA (1) CA1269739A (de)
DE (1) DE3772614D1 (de)
GB (1) GB8610305D0 (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3925614A1 (de) * 1989-08-02 1991-02-07 Sick Optik Elektronik Erwin Optische abtastvorrichtung zur fehlersuche an durchlaufenden materialbahnen
US5168167A (en) * 1991-01-31 1992-12-01 International Business Machines Corporation Optical scanner having controllable light sources
US5293162A (en) * 1992-03-09 1994-03-08 Bachalo William D Laser based tracking device for detecting the distance between a vehicle and a roadway marker
DE69706964T2 (de) * 1996-03-07 2002-04-04 Accu Sort Systems Inc Dynamisches fokussierungsgeraet fuer optische abbildungssysteme
US5847834A (en) * 1997-09-11 1998-12-08 Webview, Inc. Expandable, continuous illumination source for a web inspection assembly and method
US6723816B2 (en) * 2001-11-02 2004-04-20 Bausch & Lomb Incorporated High refractive index aromatic-based siloxane difunctional macromonomers
US7023542B2 (en) * 2002-04-03 2006-04-04 3M Innovative Properties Company Imaging method and apparatus

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50151189A (de) * 1974-05-24 1975-12-04
US4018504A (en) * 1975-05-02 1977-04-19 Sweda International, Inc. Retro-reflective multiple-X optical scanning system
US4170398A (en) * 1978-05-03 1979-10-09 Koester Charles J Scanning microscopic apparatus with three synchronously rotating reflecting surfaces
GB2054835B (en) * 1979-07-30 1983-07-20 Sira Institute Scanning apparatus for flaw detection
US4523093A (en) * 1981-09-03 1985-06-11 Excellon Industries Scanning beam reference and read system
GB8424084D0 (en) * 1984-09-24 1984-10-31 Sira Ltd Inspection apparatus

Also Published As

Publication number Publication date
JPH07117500B2 (ja) 1995-12-18
JPS6326561A (ja) 1988-02-04
GB8610305D0 (en) 1986-06-04
CA1269739A (en) 1990-05-29
US4797558A (en) 1989-01-10
EP0244102A1 (de) 1987-11-04
EP0244102B1 (de) 1991-09-04
ATE67035T1 (de) 1991-09-15

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee