DE69714401T2 - Optisches Verfahren und Vorrichtung zum Erkennen von Fehlstellen - Google Patents

Optisches Verfahren und Vorrichtung zum Erkennen von Fehlstellen

Info

Publication number
DE69714401T2
DE69714401T2 DE69714401T DE69714401T DE69714401T2 DE 69714401 T2 DE69714401 T2 DE 69714401T2 DE 69714401 T DE69714401 T DE 69714401T DE 69714401 T DE69714401 T DE 69714401T DE 69714401 T2 DE69714401 T2 DE 69714401T2
Authority
DE
Germany
Prior art keywords
optical object
point
shadow pattern
optical
image
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
DE69714401T
Other languages
English (en)
Other versions
DE69714401D1 (de
Inventor
Peter Vokhmin
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.)
Prolaser Ltd
Original Assignee
Prolaser 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 Prolaser Ltd filed Critical Prolaser Ltd
Publication of DE69714401D1 publication Critical patent/DE69714401D1/de
Application granted granted Critical
Publication of DE69714401T2 publication Critical patent/DE69714401T2/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
    • G01N21/95—Investigating the presence of flaws or contamination characterised by the material or shape of the object to be examined
    • G01N21/958—Inspecting transparent materials or objects, e.g. windscreens

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)
  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
  • Testing Electric Properties And Detecting Electric Faults (AREA)
  • Testing Of Optical Devices Or Fibers (AREA)
DE69714401T 1996-12-17 1997-10-15 Optisches Verfahren und Vorrichtung zum Erkennen von Fehlstellen Expired - Fee Related DE69714401T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IL11985096A IL119850A (en) 1996-12-17 1996-12-17 Optical method and apparatus for detecting low frequency defects

Publications (2)

Publication Number Publication Date
DE69714401D1 DE69714401D1 (de) 2002-09-05
DE69714401T2 true DE69714401T2 (de) 2003-09-18

Family

ID=11069591

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69714401T Expired - Fee Related DE69714401T2 (de) 1996-12-17 1997-10-15 Optisches Verfahren und Vorrichtung zum Erkennen von Fehlstellen

Country Status (6)

Country Link
US (1) US6075591A (de)
EP (1) EP0856728B1 (de)
AT (1) ATE221650T1 (de)
DE (1) DE69714401T2 (de)
ES (1) ES2180901T3 (de)
IL (1) IL119850A (de)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102011078833A1 (de) * 2011-07-07 2013-01-10 3D-Micromac Ag Verfahren und Vorrichtung zum Detektieren einer Markierung an einem Objekt
DE102011119806A1 (de) * 2011-11-25 2013-05-29 Carl Zeiss Vision International Gmbh Verfahren und Vorrichtung zum Sichtbarmachen eines Signierzeichens auf einem Brillenglas
DE102015115735B3 (de) * 2015-09-17 2017-03-23 Carl Zeiss Vision International Gmbh Vorrichtung und Verfahren zum Sichtbarmachen eines Signierzeichens auf einem Brillenglas

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2807522B1 (fr) * 2000-04-07 2002-06-14 Aerospatiale Matra Airbus Dispositif pour determiner les valeurs d'au moins un parametre de particules, notamment de gouttelettes d'eau
US6671039B2 (en) * 2000-06-22 2003-12-30 Hoya Corporation Spectacle lens image sensing processing apparatus and spectacle lens positioning method
US6661506B2 (en) * 2000-08-24 2003-12-09 Og Technologies, Inc. Engine bearing inspection system
US7023542B2 (en) * 2002-04-03 2006-04-04 3M Innovative Properties Company Imaging method and apparatus
US7142295B2 (en) * 2003-03-05 2006-11-28 Corning Incorporated Inspection of transparent substrates for defects
GB0307345D0 (en) * 2003-03-29 2003-05-07 Pilkington Plc Glazing inspection
WO2005017489A2 (en) * 2003-07-11 2005-02-24 Svt Associates, Inc. Film mapping system
EP1739472A4 (de) 2004-03-31 2011-01-12 Topcon Corp Einspann-vorrichtungs-anbringvorrichtung
EP1605241A1 (de) 2004-06-09 2005-12-14 Automation & Robotics Apparat zur optischen Kontrolle von transparenten oder reflektierenden Proben
US7991242B2 (en) 2005-05-11 2011-08-02 Optosecurity Inc. Apparatus, method and system for screening receptacles and persons, having image distortion correction functionality
EP1886257A1 (de) 2005-05-11 2008-02-13 Optosecurity Inc. Verfahren und system zum prüfen von gepäckstücken, frachtcontainern oder personen
US7899232B2 (en) 2006-05-11 2011-03-01 Optosecurity Inc. Method and apparatus for providing threat image projection (TIP) in a luggage screening system, and luggage screening system implementing same
US8494210B2 (en) 2007-03-30 2013-07-23 Optosecurity Inc. User interface for use in security screening providing image enhancement capabilities and apparatus for implementing same
DE102006051538B4 (de) * 2006-10-27 2009-04-09 Schott Ag Verfahren und Vorrichtung zur Bestimmung der Waviness von Glasscheiben
JP4970149B2 (ja) * 2007-05-31 2012-07-04 株式会社ニデック カップ取付け装置
US20110193954A1 (en) * 2010-02-08 2011-08-11 Sunrise Optical Llc Apparatus for the measurement of the topography and photoelectric properties of transparent surfaces
JP2012243805A (ja) * 2011-05-16 2012-12-10 Toshiba Corp パターン形成方法
CA3069211C (en) 2011-09-07 2022-06-21 Rapiscan Systems, Inc. X-ray inspection system that integrates manifest data with imaging/detection processing
FR3017964B1 (fr) 2014-02-27 2016-03-25 Essilor Int Instrument optique pour reperer au moins un point caracteristique d'une lentille ophtalmique
FR3017963B1 (fr) 2014-02-27 2016-03-25 Essilor Int Instrument optique pour identifier et localiser des microgravures presentes sur une lentille ophtalmique
JP6776899B2 (ja) * 2016-02-05 2020-10-28 東レ株式会社 シート状物の検査装置およびシート状物の検査方法
GB2564038B (en) 2016-02-22 2021-11-10 Rapiscan Systems Inc Systems and methods for detecting threats and contraband in cargo

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3743431A (en) * 1972-05-09 1973-07-03 Philco Ford Corp Radiation sensitive means for detecting flaws in glass
GB1403911A (en) * 1972-07-26 1975-08-28 Sira Institute Method and apparatus for testing optical components
IL63264A (en) * 1980-11-04 1986-07-31 Israel Atomic Energy Comm Topographical mapping system and method
US4547073A (en) * 1981-02-17 1985-10-15 Matsushita Electric Industrial Co., Ltd. Surface examining apparatus and method
DE3237511A1 (de) * 1982-10-09 1984-04-12 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V., 8000 München Verfahren zur pruefung von glaserzeugnissen
DE3406066A1 (de) * 1984-02-20 1985-08-22 Siemens AG, 1000 Berlin und 8000 München Anordnung zur optischen erfassung raeumlicher unebenheiten in der struktur eines zu untersuchenden objekts
US4810895A (en) * 1987-01-13 1989-03-07 Rotlex Optics Ltd. Method and apparatus for optical examination of an object particularly by moire ray deflection mapping
DE3816392A1 (de) * 1988-05-13 1989-11-23 Ver Glaswerke Gmbh Verfahren zur bestimmung der optischen qualitaet von flachglas oder flachglasprodukten
DE3838954A1 (de) * 1988-11-17 1990-05-23 Siemens Ag Optikanordnung zur dreidimensionalen formerfassung
DE3926349A1 (de) * 1989-08-09 1991-02-14 Sick Optik Elektronik Erwin Optische fehlerinspektionsvorrichtung
US5309222A (en) * 1991-07-16 1994-05-03 Mitsubishi Denki Kabushiki Kaisha Surface undulation inspection apparatus

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102011078833A1 (de) * 2011-07-07 2013-01-10 3D-Micromac Ag Verfahren und Vorrichtung zum Detektieren einer Markierung an einem Objekt
DE102011119806A1 (de) * 2011-11-25 2013-05-29 Carl Zeiss Vision International Gmbh Verfahren und Vorrichtung zum Sichtbarmachen eines Signierzeichens auf einem Brillenglas
DE102011119806B4 (de) * 2011-11-25 2020-10-15 Carl Zeiss Vision International Gmbh Verfahren und Vorrichtung zum Sichtbarmachen eines Signierzeichens auf einem Brillenglas
DE102015115735B3 (de) * 2015-09-17 2017-03-23 Carl Zeiss Vision International Gmbh Vorrichtung und Verfahren zum Sichtbarmachen eines Signierzeichens auf einem Brillenglas

Also Published As

Publication number Publication date
EP0856728A2 (de) 1998-08-05
EP0856728A3 (de) 1998-09-09
ATE221650T1 (de) 2002-08-15
DE69714401D1 (de) 2002-09-05
EP0856728B1 (de) 2002-07-31
IL119850A (en) 2000-11-21
US6075591A (en) 2000-06-13
ES2180901T3 (es) 2003-02-16
IL119850A0 (en) 1997-03-18

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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