PT685733E - Processo de medida da qualidade optica de uma vidraca - Google Patents

Processo de medida da qualidade optica de uma vidraca

Info

Publication number
PT685733E
PT685733E PT95401171T PT95401171T PT685733E PT 685733 E PT685733 E PT 685733E PT 95401171 T PT95401171 T PT 95401171T PT 95401171 T PT95401171 T PT 95401171T PT 685733 E PT685733 E PT 685733E
Authority
PT
Portugal
Prior art keywords
glass
quality process
optional quality
optional
quality
Prior art date
Application number
PT95401171T
Other languages
English (en)
Inventor
Paul-Henri Guering
Patrick Gayout
Jean-Michel Florentin
Michel Pichon
Original Assignee
Saint Gobain
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 Saint Gobain filed Critical Saint Gobain
Publication of PT685733E publication Critical patent/PT685733E/pt

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
    • 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

  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Physics & Mathematics (AREA)
  • Pathology (AREA)
  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Image Processing (AREA)
  • Image Analysis (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
PT95401171T 1994-06-02 1995-05-19 Processo de medida da qualidade optica de uma vidraca PT685733E (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9406774A FR2720831B3 (fr) 1994-06-02 1994-06-02 Procédé de mesure de la qualité optique d'un vitrage.

Publications (1)

Publication Number Publication Date
PT685733E true PT685733E (pt) 2002-04-29

Family

ID=9463824

Family Applications (1)

Application Number Title Priority Date Filing Date
PT95401171T PT685733E (pt) 1994-06-02 1995-05-19 Processo de medida da qualidade optica de uma vidraca

Country Status (7)

Country Link
US (1) US5694479A (pt)
EP (1) EP0685733B1 (pt)
JP (1) JPH07333162A (pt)
DE (1) DE69523667T2 (pt)
ES (1) ES2165409T3 (pt)
FR (1) FR2720831B3 (pt)
PT (1) PT685733E (pt)

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
DE10111450B4 (de) * 2001-03-09 2005-02-10 Schott Ag Verfahren und Vorrichtung zur Bewertung von Schlieren
US6520049B2 (en) 2001-04-27 2003-02-18 Hallmark Cards Incorporated Method of digitizing emboss dies and the like
US7289655B2 (en) * 2001-08-29 2007-10-30 Seiko Epson Corporation Device for inspecting illumination optical device and method for inspecting illumination optical device
US6909502B2 (en) * 2001-12-27 2005-06-21 General Electric Method and apparatus for measuring ripple and distortion in a transparent material
CA2457366A1 (en) * 2003-02-12 2004-08-12 Mattel, Inc. Packaging for toy and lithophane combinations
GB0306259D0 (en) * 2003-03-19 2003-04-23 Pilkington Plc Method to determine the optical quality of a glazing
GB0307345D0 (en) * 2003-03-29 2003-05-07 Pilkington Plc Glazing inspection
US20050105789A1 (en) * 2003-11-17 2005-05-19 Isaacs Hugh S. Method and apparatus for detecting, monitoring, and quantifying changes in a visual image over time
US7339664B2 (en) * 2004-09-29 2008-03-04 General Electric Company System and method for inspecting a light-management film and method of making the light-management film
US7496241B1 (en) * 2005-09-08 2009-02-24 Goodrich Corporation Precision optical systems with performance characterization and uses thereof
US8122878B1 (en) * 2006-10-20 2012-02-28 Energy Innovations, Inc. Solar concentrator with camera alignment and tracking
US7899236B2 (en) * 2006-11-09 2011-03-01 The Boeing Company Evaluation of optical distortion in a transparency
EP1980843A1 (en) 2007-04-13 2008-10-15 Essilor International (Compagnie Generale D'optique) Method and apparatus for detecting defects in optical components.
GB0914651D0 (en) * 2009-08-21 2009-09-30 Pilkington Automotive D Gmbh Heatable glazing inspection
DE102009041544A1 (de) * 2009-09-15 2011-03-24 GFE Gesellschaft für Fertigungstechnik u. Entwicklung Schmalkalden e.V. Einrichtung zum Prüfen und Bewerten von Scheibenwischerblättern
CN102338752B (zh) * 2010-07-27 2013-04-17 深圳奔迅汽车玻璃有限公司 汽车夹层玻璃检验系统
JP5891773B2 (ja) * 2011-01-06 2016-03-23 岩崎電気株式会社 照射装置
US9488597B2 (en) * 2011-11-30 2016-11-08 Corning Incorporated Apparatus and methods for determining surface compliance for a glass surface
CN103743761B (zh) * 2013-12-31 2017-06-23 江苏大学附属医院 一种镜片水印疵病图像检测装置
CN104533222A (zh) * 2014-11-11 2015-04-22 无锡悟莘科技有限公司 一种车窗智能防夹控制系统
CN104574338B (zh) * 2015-01-26 2017-04-26 西安交通大学 基于多角度线阵ccd传感器的遥感图像超分辨率重建方法
CN105973847B (zh) * 2016-06-24 2019-03-01 广州新晖汽车零部件有限公司 一种汽车灯导光条检测装置
TWI766041B (zh) * 2017-06-14 2022-06-01 美商康寧公司 控制壓實的方法
GB201912136D0 (en) 2019-08-23 2019-10-09 Pilkington Group Ltd Method for making a laminated glazing
CN111762181B (zh) * 2019-11-06 2021-06-04 嵊州市万智网络科技有限公司 汽车事故编号映射系统以及方法
EP4092409A1 (en) 2021-05-20 2022-11-23 Saint-Gobain Glass France Method for detecting optical defects within windshield

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4454541A (en) * 1982-06-14 1984-06-12 Rca Corporation Charge coupled device based blemish detection system and method
JPS60119404A (ja) * 1983-12-01 1985-06-26 Nippon Sheet Glass Co Ltd 板ガラスの歪検査装置
GB8424074D0 (en) * 1984-09-24 1984-10-31 British Aerospace Testing light transmitting articles
US4605960A (en) * 1984-10-22 1986-08-12 Rca Corporation Method for avoiding identifying perimeter variations as blemishes in a CCD image
GB2207237A (en) * 1987-07-22 1989-01-25 Philips Nv A method of inspecting apertured mask sheet
DE3816392A1 (de) 1988-05-13 1989-11-23 Ver Glaswerke Gmbh Verfahren zur bestimmung der optischen qualitaet von flachglas oder flachglasprodukten
FR2663744B1 (fr) 1990-06-25 1993-05-28 Saint Gobain Vitrage Int Procede et dispositif de mesure de la qualite optique d'un vitrage.
US5088270A (en) 1990-12-31 1992-02-18 Mima Incorporated Film-tail heat sealing system
FR2688310A1 (fr) * 1992-03-03 1993-09-10 Saint Gobain Vitrage Int Procede et dispositif de controle de la transparence d'un vitrage feuillete.

Also Published As

Publication number Publication date
FR2720831B3 (fr) 1996-07-12
FR2720831A1 (fr) 1995-12-08
US5694479A (en) 1997-12-02
EP0685733B1 (fr) 2001-11-07
DE69523667D1 (de) 2001-12-13
EP0685733A1 (fr) 1995-12-06
DE69523667T2 (de) 2002-08-01
JPH07333162A (ja) 1995-12-22
ES2165409T3 (es) 2002-03-16

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