PT98086A - Processo e dispositivo de medida da qualidade optica duma vidraca - Google Patents
Processo e dispositivo de medida da qualidade optica duma vidracaInfo
- Publication number
- PT98086A PT98086A PT98086A PT9808691A PT98086A PT 98086 A PT98086 A PT 98086A PT 98086 A PT98086 A PT 98086A PT 9808691 A PT9808691 A PT 9808691A PT 98086 A PT98086 A PT 98086A
- Authority
- PT
- Portugal
- Prior art keywords
- vidraca
- duma
- optical quality
- measuring optical
- measuring
- Prior art date
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
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
-
- 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
- G01N21/8851—Scan or image signal processing specially adapted therefor, e.g. for scan signal adjustment, for detecting different kinds of defects, for compensating for structures, markings, edges
- G01N2021/8887—Scan or image signal processing specially adapted therefor, e.g. for scan signal adjustment, for detecting different kinds of defects, for compensating for structures, markings, edges based on image processing techniques
-
- 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
- Immunology (AREA)
- General Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Biochemistry (AREA)
- Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Analytical Chemistry (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)
- Closed-Circuit Television Systems (AREA)
- Image Analysis (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR9007924A FR2663744B1 (fr) | 1990-06-25 | 1990-06-25 | Procede et dispositif de mesure de la qualite optique d'un vitrage. |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| PT98086A true PT98086A (pt) | 1993-08-31 |
| PT98086B PT98086B (pt) | 1998-12-31 |
Family
ID=9397954
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PT98086A PT98086B (pt) | 1990-06-25 | 1991-06-24 | Processo e dispositivo de medida da qualidade optica duma vidraca |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US5146282A (pt) |
| EP (1) | EP0463940B1 (pt) |
| JP (1) | JP3270491B2 (pt) |
| KR (1) | KR0170781B1 (pt) |
| DE (1) | DE69107128T2 (pt) |
| ES (1) | ES2068531T3 (pt) |
| FR (1) | FR2663744B1 (pt) |
| PT (1) | PT98086B (pt) |
Families Citing this family (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2718232B1 (fr) * | 1994-03-31 | 1996-05-24 | Saint Gobain Vitrage | Procédé et dispositif pour mesurer la qualité optique de la surface d'un objet transparent. |
| FR2720831B3 (fr) | 1994-06-02 | 1996-07-12 | Saint Gobain Vitrage | Procédé de mesure de la qualité optique d'un vitrage. |
| 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 |
| EP0978717A4 (en) * | 1998-02-19 | 2002-01-30 | Asahi Glass Co Ltd | METHOD AND DEVICE FOR SPLITTER TESTING OF GLASS DISCS, RELATED METHOD FOR GRAPHIC REPRESENTATION AND IMAGE SIGNAL PROCESSING METHOD |
| US6909502B2 (en) * | 2001-12-27 | 2005-06-21 | General Electric | Method and apparatus for measuring ripple and distortion in a transparent material |
| GB0306259D0 (en) * | 2003-03-19 | 2003-04-23 | Pilkington Plc | Method to determine the optical quality of a glazing |
| FR2855168B1 (fr) * | 2003-05-19 | 2007-03-30 | Saint Gobain | Bombage de vitrages par gravite sur une multiplicite de supports |
| FI117354B (fi) * | 2003-06-02 | 2006-09-15 | Tamglass Ltd Oy | Menetelmä reunamuotilla taivutettavan lasilevyn taivutuspussikkuuden mittaamiseksi |
| 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 |
| US20060092276A1 (en) * | 2004-10-28 | 2006-05-04 | Ariglio James A | Inspection system and method for identifying surface and body defects in a glass sheet |
| GB0610148D0 (en) | 2006-05-23 | 2006-06-28 | Pilkington Automotive D Gmbh | Glazing inspection method |
| KR100838655B1 (ko) * | 2006-10-27 | 2008-06-16 | (주)쎄미시스코 | 유리기판의 품질 검사장치 및 그 검사방법 |
| DE202013008909U1 (de) * | 2013-10-07 | 2015-01-09 | MÖLLER-WEDEL OPTICAL GmbH | Vorrichtung zum Vermessen von Scheiben, insbesondere von Windschutzscheiben von Fahrzeugen |
| DE202013008910U1 (de) * | 2013-10-07 | 2015-01-09 | MÖLLER-WEDEL OPTICAL GmbH | Vorrichtung zum Vermessen von Scheiben, insbesondere von Windschutzscheiben von Fahrzeugen |
| KR20160002652U (ko) | 2015-01-21 | 2016-07-29 | 조경희 | 넝쿨작물 줄기 유인용 집게 |
| FR3078161B1 (fr) | 2018-02-22 | 2020-03-27 | Saint-Gobain Glass France | Methode de simulation de la puissance optique d'un verre feuillete |
| 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 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4299482A (en) * | 1979-11-01 | 1981-11-10 | The United States Of America As Represented By The Secretary Of The Air Force | Measurement of windscreen distortion using optical diffraction |
| US4453827A (en) * | 1981-08-28 | 1984-06-12 | The United States Of America As Represented By The Secretary Of The Air Force | Optical distortion analyzer system |
| JPS5852504A (ja) * | 1981-09-24 | 1983-03-28 | Nippon Sheet Glass Co Ltd | 透明板の透視歪検査方法 |
| US4398822A (en) * | 1981-12-03 | 1983-08-16 | Task Harry L | Two-axis angular deviation measurement system with target image rotating means |
| JPS60119404A (ja) * | 1983-12-01 | 1985-06-26 | Nippon Sheet Glass Co Ltd | 板ガラスの歪検査装置 |
| DE3816392A1 (de) * | 1988-05-13 | 1989-11-23 | Ver Glaswerke Gmbh | Verfahren zur bestimmung der optischen qualitaet von flachglas oder flachglasprodukten |
-
1990
- 1990-06-25 FR FR9007924A patent/FR2663744B1/fr not_active Expired - Fee Related
-
1991
- 1991-06-20 DE DE69107128T patent/DE69107128T2/de not_active Expired - Fee Related
- 1991-06-20 ES ES91401663T patent/ES2068531T3/es not_active Expired - Lifetime
- 1991-06-20 EP EP91401663A patent/EP0463940B1/fr not_active Expired - Lifetime
- 1991-06-24 JP JP15162491A patent/JP3270491B2/ja not_active Expired - Fee Related
- 1991-06-24 PT PT98086A patent/PT98086B/pt active IP Right Grant
- 1991-06-25 US US07/720,696 patent/US5146282A/en not_active Expired - Lifetime
- 1991-06-25 KR KR1019910010530A patent/KR0170781B1/ko not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| DE69107128T2 (de) | 1995-09-07 |
| ES2068531T3 (es) | 1995-04-16 |
| EP0463940A1 (fr) | 1992-01-02 |
| KR920001191A (ko) | 1992-01-30 |
| DE69107128D1 (de) | 1995-03-16 |
| FR2663744A1 (fr) | 1991-12-27 |
| PT98086B (pt) | 1998-12-31 |
| JPH04232446A (ja) | 1992-08-20 |
| FR2663744B1 (fr) | 1993-05-28 |
| KR0170781B1 (ko) | 1999-05-01 |
| JP3270491B2 (ja) | 2002-04-02 |
| US5146282A (en) | 1992-09-08 |
| EP0463940B1 (fr) | 1995-02-01 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| BB1A | Laying open of patent application |
Effective date: 19930331 |
|
| FG3A | Patent granted, date of granting |
Effective date: 19980901 |