BRPI0405947A - Método e aparelho de inspeção de tela em tempo real utilizando imagens de luz refletidas e transmitidas combinadas - Google Patents

Método e aparelho de inspeção de tela em tempo real utilizando imagens de luz refletidas e transmitidas combinadas

Info

Publication number
BRPI0405947A
BRPI0405947A BR0405947-6A BRPI0405947A BRPI0405947A BR PI0405947 A BRPI0405947 A BR PI0405947A BR PI0405947 A BRPI0405947 A BR PI0405947A BR PI0405947 A BRPI0405947 A BR PI0405947A
Authority
BR
Brazil
Prior art keywords
screen
reflected
light
transmitted light
light images
Prior art date
Application number
BR0405947-6A
Other languages
English (en)
Inventor
Nelson M Rivera
Mario Errico
Carl A Wisniewski
John P Kerwawycz
William A Hammond
Original Assignee
Xerox Corp
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 Xerox Corp filed Critical Xerox Corp
Publication of BRPI0405947A publication Critical patent/BRPI0405947A/pt
Publication of BRPI0405947B1 publication Critical patent/BRPI0405947B1/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
    • G01N21/89—Investigating the presence of flaws or contamination in moving material, e.g. running paper or textiles
    • G01N21/8901—Optical details; Scanning details
    • G01N21/8903—Optical details; Scanning details using a multiple detector array

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • 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)

Abstract

"MéTODO E APARELHO DE INSPEçãO DE TELA EM TEMPO REAL UTILIZANDO IMAGENS DE LUZ REFLETIDAS E TRANSMITIDAS COMBINADAS". A presente invenção refere-se a um aparelho e método para inspeção de tela que utilizam a captura simultânea de imagens de luz refletida e transmitida para misturar em tempo real. Os sistemas de captura de imagem de luz refletida e luz transmitida são registrados um com o outro em termos de campo descendente à tela e transversal à tela sendo representados. Para permitir a aquisição simultânea das imagens de luz refletida e transmitida, a parte representada da tela é uma abrangência não suportada, e a tela é tensionada para impedir folga. Os sistemas de captura de imagem de luz refletida e luz transmitida incluem cada um múltiplas câmeras registradas uma com a outra em termos de campo de formatação de imagem descendente à tela e transversal à tela, e as câmeras para a captura da imagem de luz transmitida são alinhadas diretamente com a fonte de luz, que envia luz que incide na tela em um ângulo.
BRPI0405947A 2003-12-30 2004-12-28 método de inspeção de tela fotorreceptora BRPI0405947B1 (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US10/749,768 US7030400B2 (en) 2003-12-30 2003-12-30 Real-time web inspection method and apparatus using combined reflected and transmitted light images

Publications (2)

Publication Number Publication Date
BRPI0405947A true BRPI0405947A (pt) 2005-08-02
BRPI0405947B1 BRPI0405947B1 (pt) 2016-01-19

Family

ID=34701097

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0405947A BRPI0405947B1 (pt) 2003-12-30 2004-12-28 método de inspeção de tela fotorreceptora

Country Status (4)

Country Link
US (1) US7030400B2 (pt)
JP (1) JP4530837B2 (pt)
CN (1) CN100422725C (pt)
BR (1) BRPI0405947B1 (pt)

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JP6468418B2 (ja) * 2014-10-30 2019-02-13 大日本印刷株式会社 反射型体積ホログラムを含むセキュリティ媒体の真贋判定装置、反射型体積ホログラムを含むセキュリティ媒体の真贋判定方法、及び反射型体積ホログラムを含むセキュリティ媒体
US10404868B2 (en) 2015-07-15 2019-09-03 Hp Indigo B.V. Image defect detection
CN108982530A (zh) * 2018-05-24 2018-12-11 京东方科技集团股份有限公司 一种背光卷料的检测系统
WO2023164711A2 (en) * 2022-02-28 2023-08-31 Aktivax, Inc. Apparatus and method for cleaning materials for medical devices
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Also Published As

Publication number Publication date
JP2005195583A (ja) 2005-07-21
US20050139792A1 (en) 2005-06-30
US7030400B2 (en) 2006-04-18
CN100422725C (zh) 2008-10-01
CN1637622A (zh) 2005-07-13
JP4530837B2 (ja) 2010-08-25
BRPI0405947B1 (pt) 2016-01-19

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Legal Events

Date Code Title Description
B06A Patent application procedure suspended [chapter 6.1 patent gazette]
B09A Decision: intention to grant [chapter 9.1 patent gazette]
B15K Others concerning applications: alteration of classification

Free format text: A CLASSIFICACAO ANTERIOR ERA: G03F 1/02

Ipc: G01N 21/89 (2006.01), G01N 21/892 (2006.01)

B16A Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]

Free format text: PRAZO DE VALIDADE: 10 (DEZ) ANOS CONTADOS A PARTIR DE 19/01/2016, OBSERVADAS AS CONDICOES LEGAIS.

B21F Lapse acc. art. 78, item iv - on non-payment of the annual fees in time

Free format text: REFERENTE A 14A ANUIDADE.

B24J Lapse because of non-payment of annual fees (definitively: art 78 iv lpi, resolution 113/2013 art. 12)

Free format text: EM VIRTUDE DA EXTINCAO PUBLICADA NA RPI 2495 DE 30-10-2018 E CONSIDERANDO AUSENCIA DE MANIFESTACAO DENTRO DOS PRAZOS LEGAIS, INFORMO QUE CABE SER MANTIDA A EXTINCAO DA PATENTE E SEUS CERTIFICADOS, CONFORME O DISPOSTO NO ARTIGO 12, DA RESOLUCAO 113/2013.