BRPI0407705A - método para determinação da qualidade ótica de uma vidraça - Google Patents

método para determinação da qualidade ótica de uma vidraça

Info

Publication number
BRPI0407705A
BRPI0407705A BRPI0407705-9A BRPI0407705A BRPI0407705A BR PI0407705 A BRPI0407705 A BR PI0407705A BR PI0407705 A BRPI0407705 A BR PI0407705A BR PI0407705 A BRPI0407705 A BR PI0407705A
Authority
BR
Brazil
Prior art keywords
window pane
determining
optical quality
illumination
pane
Prior art date
Application number
BRPI0407705-9A
Other languages
English (en)
Inventor
Barry Raymond Hill
Simon Peter Aldred
Original Assignee
Pilkington Plc
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 Pilkington Plc filed Critical Pilkington Plc
Publication of BRPI0407705A publication Critical patent/BRPI0407705A/pt

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G06T7/0002—Inspection of images, e.g. flaw detection
    • G06T7/0004—Industrial image inspection
    • G06T7/0006—Industrial image inspection using a design-rule based approach
    • 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
    • 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
    • G01N21/45—Refractivity; Phase-affecting properties, e.g. optical path length using interferometric methods; using Schlieren methods
    • G01N21/455—Schlieren methods, e.g. for gradient index determination; Shadowgraph

Landscapes

  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Health & Medical Sciences (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Pathology (AREA)
  • Analytical Chemistry (AREA)
  • Quality & Reliability (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Theoretical Computer Science (AREA)
  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Image Processing (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)

Abstract

MéTODO PARA DETERMINAçõ DA QUALIDADE óTICA DE UMA VIDRAçA. Trata-se de um método para determinação da qualidade ótica de uma vidraça, que inclui pelo menos uma área possuindo uma transmissão de luz reduzida, em que é produzida uma imagem de gráfico de sombras da vidraça e a iluminação da vidraça é medida em uma pluralidade de pontos de medição distribuidos em um arranjo que se estende através da vidraça. O desvio de iluminação relativamente a um valor desejado em cada ponto de medição é determinado e na pelo menos uma área de transmissão de luz reduzida a iluminação é omitida do conjunto de pontos de medição.
BRPI0407705-9A 2003-03-19 2004-03-15 método para determinação da qualidade ótica de uma vidraça BRPI0407705A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB0306259.3A GB0306259D0 (en) 2003-03-19 2003-03-19 Method to determine the optical quality of a glazing
PCT/GB2004/001063 WO2004083835A1 (en) 2003-03-19 2004-03-15 Method to determine the optical quality of a glazing

Publications (1)

Publication Number Publication Date
BRPI0407705A true BRPI0407705A (pt) 2006-02-14

Family

ID=9955051

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0407705-9A BRPI0407705A (pt) 2003-03-19 2004-03-15 método para determinação da qualidade ótica de uma vidraça

Country Status (8)

Country Link
US (1) US7528945B2 (pt)
EP (1) EP1606611A1 (pt)
CN (1) CN100543464C (pt)
BR (1) BRPI0407705A (pt)
CA (1) CA2517697A1 (pt)
GB (1) GB0306259D0 (pt)
MX (1) MXPA05009630A (pt)
WO (1) WO2004083835A1 (pt)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB0914651D0 (en) * 2009-08-21 2009-09-30 Pilkington Automotive D Gmbh Heatable glazing inspection
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
US9311699B2 (en) * 2010-11-30 2016-04-12 Solutia Inc. Clear mottle analyzer for multilayer laminates
GB201020311D0 (en) 2010-12-01 2011-01-12 Pilkington Group Ltd Laminated glazing
EP2803979A1 (en) * 2013-05-17 2014-11-19 Idris Arslan Control method of laminated glasses with resistance wire and a system for the method thereof
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
FR3016699B1 (fr) * 2014-01-22 2016-02-12 Msc & Sgcc Procede et dispositif pour la detection notamment de defauts refractants
KR102063551B1 (ko) * 2016-05-24 2020-01-08 주식회사 엘지화학 광학필름의 결함 검출 시스템 및 광학필름의 결함 검출 방법
GB201812147D0 (en) 2018-07-25 2018-09-05 Pilkington Group Ltd Process
KR102768944B1 (ko) 2019-02-12 2025-02-17 삼성디스플레이 주식회사 표시 장치
GB201912136D0 (en) 2019-08-23 2019-10-09 Pilkington Group Ltd Method for making a laminated glazing
GB202309915D0 (en) 2023-06-29 2023-08-16 Pilkington Group Ltd Method for affecting glass strength
GB202309916D0 (en) 2023-06-29 2023-08-16 Pilkington Group Ltd Method for affecting glass strength

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1352987A (fr) * 1963-01-10 1964-02-21 Saint Gobain Procédé pour la détermination de la qualité du verre et notamment du verre étiré
GB2207237A (en) * 1987-07-22 1989-01-25 Philips Nv A method of inspecting apertured mask sheet
FR2663744B1 (fr) * 1990-06-25 1993-05-28 Saint Gobain Vitrage Int Procede et dispositif de mesure de la qualite optique d'un vitrage.
FR2688310A1 (fr) * 1992-03-03 1993-09-10 Saint Gobain Vitrage Int Procede et dispositif de controle de la transparence d'un vitrage feuillete.
FR2720831B3 (fr) * 1994-06-02 1996-07-12 Saint Gobain Vitrage Procédé de mesure de la qualité optique d'un vitrage.
US5583904A (en) * 1995-04-11 1996-12-10 Hewlett-Packard Co. Continuous linear scan laminography system and method
DE10111450B4 (de) * 2001-03-09 2005-02-10 Schott Ag Verfahren und Vorrichtung zur Bewertung von Schlieren
US6909502B2 (en) * 2001-12-27 2005-06-21 General Electric Method and apparatus for measuring ripple and distortion in a transparent material
GB0307345D0 (en) * 2003-03-29 2003-05-07 Pilkington Plc Glazing inspection

Also Published As

Publication number Publication date
CA2517697A1 (en) 2004-09-30
EP1606611A1 (en) 2005-12-21
US7528945B2 (en) 2009-05-05
CN100543464C (zh) 2009-09-23
US20070036464A1 (en) 2007-02-15
MXPA05009630A (es) 2005-10-18
WO2004083835A1 (en) 2004-09-30
CN1759308A (zh) 2006-04-12
GB0306259D0 (en) 2003-04-23

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Legal Events

Date Code Title Description
B08F Application fees: application dismissed [chapter 8.6 patent gazette]

Free format text: REFERENTE A 12A ANUIDADE.

B08K Patent lapsed as no evidence of payment of the annual fee has been furnished to inpi [chapter 8.11 patent gazette]

Free format text: EM VIRTUDE DO ARQUIVAMENTO PUBLICADO NA RPI 2368 DE 24-05-2016 E CONSIDERANDO AUSENCIA DE MANIFESTACAO DENTRO DOS PRAZOS LEGAIS, INFORMO QUE CABE SER MANTIDO O ARQUIVAMENTO DO PEDIDO DE PATENTE, CONFORME O DISPOSTO NO ARTIGO 12, DA RESOLUCAO 113/2013.