JPH0314122B2 - - Google Patents

Info

Publication number
JPH0314122B2
JPH0314122B2 JP58227598A JP22759883A JPH0314122B2 JP H0314122 B2 JPH0314122 B2 JP H0314122B2 JP 58227598 A JP58227598 A JP 58227598A JP 22759883 A JP22759883 A JP 22759883A JP H0314122 B2 JPH0314122 B2 JP H0314122B2
Authority
JP
Japan
Prior art keywords
windshield
data
bits
glass
bright
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 - Lifetime
Application number
JP58227598A
Other languages
English (en)
Japanese (ja)
Other versions
JPS60119404A (ja
Inventor
Katsuhiko Kitatani
Osayoshi Ichinose
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.)
Nippon Sheet Glass Co Ltd
Original Assignee
Nippon Sheet Glass Co 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 Nippon Sheet Glass Co Ltd filed Critical Nippon Sheet Glass Co Ltd
Priority to JP58227598A priority Critical patent/JPS60119404A/ja
Priority to US06/674,608 priority patent/US4647197A/en
Priority to CA000469021A priority patent/CA1227276A/en
Priority to FR8418353A priority patent/FR2556097B1/fr
Priority to GB08430351A priority patent/GB2152210B/en
Priority to DE19843443816 priority patent/DE3443816A1/de
Publication of JPS60119404A publication Critical patent/JPS60119404A/ja
Priority to MYPI87001132A priority patent/MY100429A/en
Publication of JPH0314122B2 publication Critical patent/JPH0314122B2/ja
Granted 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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B11/00—Measuring arrangements characterised by the use of optical techniques
    • G01B11/30—Measuring arrangements characterised by the use of optical techniques for measuring roughness or irregularity of surfaces
    • G01B11/303—Measuring arrangements characterised by the use of optical techniques for measuring roughness or irregularity of surfaces using photoelectric detection means
    • 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
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/41—Refractivity; Phase-affecting properties, e.g. optical path length
    • 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
    • G01N21/8806—Specially adapted optical and illumination features
    • G01N2021/8829—Shadow projection or structured background, e.g. for deflectometry
    • G01N2021/8832—Structured background, e.g. for transparent objects
    • 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
    • G01N2021/9586—Windscreens

Landscapes

  • Physics & Mathematics (AREA)
  • General 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)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
  • Length Measuring Devices By Optical Means (AREA)
JP58227598A 1983-01-12 1983-12-01 板ガラスの歪検査装置 Granted JPS60119404A (ja)

Priority Applications (7)

Application Number Priority Date Filing Date Title
JP58227598A JPS60119404A (ja) 1983-12-01 1983-12-01 板ガラスの歪検査装置
US06/674,608 US4647197A (en) 1983-01-12 1984-11-26 Distortion inspection apparatus of a glass plate
CA000469021A CA1227276A (en) 1983-12-01 1984-11-30 Distortion inspection apparatus of a glass plate
FR8418353A FR2556097B1 (fr) 1983-12-01 1984-11-30 Appareil de recherche de distorsions dans une plaque de verre
GB08430351A GB2152210B (en) 1983-12-01 1984-11-30 Distortion inspection apparatus for a glass sheet
DE19843443816 DE3443816A1 (de) 1983-12-01 1984-11-30 Anordnung zur ueberpruefung der durch eine glasscheibe hervorgerufenen verzerrung
MYPI87001132A MY100429A (en) 1983-12-01 1987-07-27 Distortion inspection apparatus of a glass plate

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58227598A JPS60119404A (ja) 1983-12-01 1983-12-01 板ガラスの歪検査装置

Publications (2)

Publication Number Publication Date
JPS60119404A JPS60119404A (ja) 1985-06-26
JPH0314122B2 true JPH0314122B2 (https=) 1991-02-26

Family

ID=16863436

Family Applications (1)

Application Number Title Priority Date Filing Date
JP58227598A Granted JPS60119404A (ja) 1983-01-12 1983-12-01 板ガラスの歪検査装置

Country Status (7)

Country Link
US (1) US4647197A (https=)
JP (1) JPS60119404A (https=)
CA (1) CA1227276A (https=)
DE (1) DE3443816A1 (https=)
FR (1) FR2556097B1 (https=)
GB (1) GB2152210B (https=)
MY (1) MY100429A (https=)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000018922A (ja) * 1998-07-02 2000-01-21 Toshiba Eng Co Ltd 厚み欠陥検査装置及びその検査方法
JP2012150079A (ja) * 2011-01-21 2012-08-09 Canon Chemicals Inc 透明部材の欠陥検出装置及び欠陥検出方法

Families Citing this family (57)

* Cited by examiner, † Cited by third party
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GB8424074D0 (en) * 1984-09-24 1984-10-31 British Aerospace Testing light transmitting articles
US4748330A (en) * 1986-12-22 1988-05-31 Rca Licensing Corporation Method and apparatus for measuring periodic matrix spaces
US4853777A (en) * 1987-07-07 1989-08-01 Ashland Oil, Inc. Method for evaluating smooth surfaces
JPH01173809A (ja) * 1987-12-28 1989-07-10 Toyota Motor Corp ウインドシールドガラスの歪み測定方法及び装置
DE3816392A1 (de) * 1988-05-13 1989-11-23 Ver Glaswerke Gmbh Verfahren zur bestimmung der optischen qualitaet von flachglas oder flachglasprodukten
FR2637067B1 (fr) * 1988-09-23 1991-07-05 Sgn Soc Gen Tech Nouvelle Dispositif de determination de la forme du bord d'un objet galbe
NL192484C (nl) * 1989-08-08 1997-08-04 Samsung Electronics Co Ltd Schakeling voor het opwekken van een door een zebrasignaal gestuurd videozoekersignaal voor een videocamera.
JPH0726833B2 (ja) * 1989-08-11 1995-03-29 旭硝子株式会社 湾曲板状体の形状検査装置
DE3937559A1 (de) * 1989-09-02 1991-03-14 Flachglas Ag Verfahren zum ermitteln von optischen fehlern in scheiben aus einem transparenten material, insbesondere aus glas
FR2663744B1 (fr) * 1990-06-25 1993-05-28 Saint Gobain Vitrage Int Procede et dispositif de mesure de la qualite optique d'un vitrage.
US5142648A (en) * 1990-08-02 1992-08-25 General Motors Corporation Method and apparatus for paint inspection
USH999H (en) 1990-09-13 1991-12-03 The United States Of America As Represented By The Secretary Of The Air Force Transparency distortion measurement process
FR2668599B1 (fr) * 1990-10-31 1992-12-31 Saint Gobain Vitrage Int Procede et dispositif de mesure de la qualite optique d'un vitrage.
US5184190A (en) * 1991-05-28 1993-02-02 Winzen International, Inc. Method and apparatus for detecting flaws and defects in heat seals
FR2688310A1 (fr) * 1992-03-03 1993-09-10 Saint Gobain Vitrage Int Procede et dispositif de controle de la transparence d'un vitrage feuillete.
US5446536A (en) * 1992-05-06 1995-08-29 Nippon Sheet Glass Co., Ltd. System of detecting optical distortion of a light-transmitting plate-like member
JP2795595B2 (ja) * 1992-06-26 1998-09-10 セントラル硝子株式会社 透明板状体の欠点検出方法
US5343288A (en) * 1992-11-23 1994-08-30 Libbey-Owens-Ford Co. Optical evaluation of automotive glass
US5471297A (en) * 1993-08-31 1995-11-28 Asahi Glass Company Ltd. Method of and apparatus for measuring optical distortion
US5445787A (en) * 1993-11-02 1995-08-29 Friedman; Ira Method of extruding refractory metals and alloys and an extruded product made thereby
FR2720831B3 (fr) * 1994-06-02 1996-07-12 Saint Gobain Vitrage Procédé de mesure de la qualité optique d'un vitrage.
US5642198A (en) * 1995-04-03 1997-06-24 Long; William R. Method of inspecting moving material
US5812260A (en) * 1995-10-16 1998-09-22 Corning Incorporated Method and system for measuring optical distortion
US5726749A (en) * 1996-09-20 1998-03-10 Libbey-Owens-Ford Co. Method and apparatus for inspection and evaluation of angular deviation and distortion defects for transparent sheets
DE29724139U1 (de) * 1996-10-18 2000-02-24 Innomess Gesellschaft für Messtechnik mbH, 45768 Marl Vorrichtung für die Ermittlung von optischen Fehlern in grossflächigen Scheiben
US6509967B1 (en) * 1996-10-18 2003-01-21 Innomess Gelsellschaft Fur Messtechnik Mbh Method for detecting optical errors in large surface panels
DE19741384A1 (de) * 1997-09-19 1999-03-25 Heuft Systemtechnik Gmbh Verfahren zum Erkennen von diffus streuenden Materialien, Verunreinigungen und sonstigen Fehlern bei transparenten Gegenständen
DE19813073A1 (de) * 1998-03-25 1999-09-30 Laser Sorter Gmbh Verfahren und Vorrichtung zur Bestimmung der optischen Qualität und zur Detektion von Fehlern von Flachglas und anderen optisch transparenten Materialien, insbesondere von Drips, Fäden und Linien
US6100990A (en) * 1999-06-14 2000-08-08 Ford Motor Company Method and apparatus for determining reflective optical quality using gray-scale patterns
US6208412B1 (en) * 1999-06-14 2001-03-27 Visteon Global Technologies, Inc. Method and apparatus for determining optical quality
WO2002018980A2 (en) * 2000-09-01 2002-03-07 Applied Process Technologies Optical system for imaging distortions in moving reflective sheets
GB0307345D0 (en) * 2003-03-29 2003-05-07 Pilkington Plc Glazing inspection
GB2408572A (en) * 2003-11-27 2005-06-01 Isis Innovation Method and apparatus for measuring surface configuration
US7365838B2 (en) * 2004-04-02 2008-04-29 Lockheed Martin Corporation System and method for the measurement of optical distortions
GB2415776B (en) * 2004-06-28 2009-01-28 Carglass Luxembourg Sarl Zug Investigation of vehicle glazing panels
GB0415916D0 (en) 2004-07-16 2004-08-18 Pilkington Plc Glazing inspection
JPWO2006095519A1 (ja) * 2005-03-07 2008-08-14 日本板硝子株式会社 光透過性パネルの透視歪検査装置および検査方法
JP4730836B2 (ja) 2005-09-15 2011-07-20 Ｊｆｅスチール株式会社 面歪の測定装置及び方法
GB0520251D0 (en) * 2005-10-05 2005-11-16 Isis Innovation Apparatus and method for measuring surface configuration
KR100749829B1 (ko) * 2006-05-26 2007-08-16 장민준 3차원 광측정장치
DE102006025312A1 (de) * 2006-05-31 2007-12-06 GM Global Technology Operations, Inc., Detroit Verfahren und Anordnung zur Erfassung der optischen Qualität einer transparenten Scheibe
JP2008116470A (ja) * 2007-12-25 2008-05-22 Olympus Corp 基板検査装置
CN101963586B (zh) * 2009-07-23 2014-05-07 林嘉宏 浮法玻璃在线波纹检测设备
FR2971588B1 (fr) * 2011-02-11 2013-03-08 Peugeot Citroen Automobiles Sa Procede de detection de defaut optique dans un pare-brise
JP5594697B2 (ja) * 2012-02-22 2014-09-24 中日本高速道路株式会社 透視歪の測定方法
CN102706899B (zh) * 2012-06-05 2014-03-26 福耀玻璃工业集团股份有限公司 一种汽车玻璃副像检测系统及方法
DE102013105570A1 (de) * 2013-05-29 2014-12-04 Isra Surface Vision Gmbh Verfahren zur Bestimmung der Brechkraft eines transparenten Objekts sowie entsprechende Vorrichtung
DE102013216571A1 (de) * 2013-08-21 2015-02-26 Bayerische Motoren Werke Aktiengesellschaft Verfahren zum Detektieren von Flüssigkeiten auf einer Scheibe eines Fahrzeugs
US9799949B2 (en) * 2014-09-30 2017-10-24 Nidec Corporation On-vehicle radar device and vehicle
DE102017123243B4 (de) * 2017-10-06 2022-09-29 Webasto SE Verfahren zur Ausbildung eines Glaselements mit einem Trägerelement
FR3078161B1 (fr) 2018-02-22 2020-03-27 Saint-Gobain Glass France Methode de simulation de la puissance optique d'un verre feuillete
JP7180177B2 (ja) * 2018-07-31 2022-11-30 株式会社リコー ステレオカメラシステム、移動体及びステレオカメラ装置の形成方法
FR3090088B1 (fr) 2018-12-12 2021-06-18 Saint Gobain Procédé de mesure des écarts géométriques entre les surfaces incurvées d'une pluralité de matériaux à évaluer et une surface incurvée d’un matériau de référence
FR3101420B1 (fr) 2019-09-30 2023-12-29 Saint Gobain Méthode d’évaluation de la qualité optique d’une zone délimitée d’un vitrage
EP4092409A1 (en) 2021-05-20 2022-11-23 Saint-Gobain Glass France Method for detecting optical defects within windshield
EP4170327A1 (en) 2021-10-22 2023-04-26 Saint-Gobain Glass France Method and system for detecting optical defects within a glass windshield
EP4231001A1 (en) * 2022-02-16 2023-08-23 Carl Zeiss Vision International GmbH Testing device and testing method

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US2871756A (en) * 1953-12-28 1959-02-03 Northrop Aircraft Inc Mechano-optical method for inspecting transparent flat or contoured panels
US2902898A (en) * 1954-07-28 1959-09-08 Gen Dynamics Corp Optical inspection device for transparent sheet material
FR1308013A (fr) * 1961-09-20 1962-11-03 Saint Gobain Procédé et dispositif pour le contrôle des propriétés optiques des feuilles de verre et particulièrement des pare-brise
US3688235A (en) * 1965-03-31 1972-08-29 Inst Nat Du Verre Apparatus for detecting the angular deflection imparted to a beam passing through a transparent sheet
US4076426A (en) * 1976-06-29 1978-02-28 Rca Corporation Method for inspecting cathode-ray-tube window for objectionable cord
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JPS5676004A (en) * 1979-11-26 1981-06-23 Toyota Central Res & Dev Lab Inc Measuring device of flatness
US4310242A (en) * 1980-04-01 1982-01-12 The United States Of America As Represented By The Secretary Of The Air Force Field test unit for windscreen optical evaluation
JPS56166452A (en) * 1980-05-27 1981-12-21 Nippon Sheet Glass Co Ltd Detecting method for distortion defect of transparent plate
US4377341A (en) * 1981-03-11 1983-03-22 The United States Of America As Represented By The Secretary Of The Air Force System for measuring angular deviation in a transparency
DE3111728A1 (de) * 1981-03-25 1982-10-07 Philips Patentverwaltung Gmbh, 2000 Hamburg "pruefverfahren fuer werkstuecke"
DE3203984C2 (de) * 1982-02-05 1984-10-31 Siemens AG, 1000 Berlin und 8000 München Verfahren und Anordnung zur Darstellung der Abbildungsgüte von optischen Systemen
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DE3237511A1 (de) * 1982-10-09 1984-04-12 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V., 8000 München Verfahren zur pruefung von glaserzeugnissen

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000018922A (ja) * 1998-07-02 2000-01-21 Toshiba Eng Co Ltd 厚み欠陥検査装置及びその検査方法
JP2012150079A (ja) * 2011-01-21 2012-08-09 Canon Chemicals Inc 透明部材の欠陥検出装置及び欠陥検出方法

Also Published As

Publication number Publication date
FR2556097B1 (fr) 1988-12-02
GB2152210B (en) 1987-04-23
GB2152210A (en) 1985-07-31
FR2556097A1 (fr) 1985-06-07
GB8430351D0 (en) 1985-01-09
CA1227276A (en) 1987-09-22
JPS60119404A (ja) 1985-06-26
DE3443816A1 (de) 1985-06-13
MY100429A (en) 1990-09-29
US4647197A (en) 1987-03-03

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