ES2134933T3 - Metodo y aparato para la iluminacion y obtencion de una imagen de una superficie. - Google Patents

Metodo y aparato para la iluminacion y obtencion de una imagen de una superficie.

Info

Publication number
ES2134933T3
ES2134933T3 ES94910141T ES94910141T ES2134933T3 ES 2134933 T3 ES2134933 T3 ES 2134933T3 ES 94910141 T ES94910141 T ES 94910141T ES 94910141 T ES94910141 T ES 94910141T ES 2134933 T3 ES2134933 T3 ES 2134933T3
Authority
ES
Spain
Prior art keywords
image
lighting
taking
polarization film
picture
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
ES94910141T
Other languages
English (en)
Inventor
Joe Zheng
John Sussmeier
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.)
United Parcel Service of America Inc
United Parcel Service Inc
Original Assignee
United Parcel Service of America Inc
United Parcel Service Inc
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 United Parcel Service of America Inc, United Parcel Service Inc filed Critical United Parcel Service of America Inc
Application granted granted Critical
Publication of ES2134933T3 publication Critical patent/ES2134933T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
    • G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
    • G06K7/10544—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation by scanning of the records by radiation in the optical part of the electromagnetic spectrum
    • G06K7/10712—Fixed beam scanning
    • G06K7/10722—Photodetector array or CCD scanning
    • G06K7/10732—Light sources

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Toxicology (AREA)
  • General Health & Medical Sciences (AREA)
  • Artificial Intelligence (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Health & Medical Sciences (AREA)
  • Theoretical Computer Science (AREA)
  • Image Input (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
  • Wire Bonding (AREA)
  • Studio Devices (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)

Abstract

UN APARATO PARA ILUMINAR Y TOMAR UNA IMAGEN DE UNA SUPERFICIE QUE INCLUYE UN APARATO PARA ILUMINAR LA SUPERFICIE, UN APARATO PARA TOMAR UNA IMAGEN DE LA SUPERFICIE ILUMINADA Y GENERAL UNA SEÑAL DE SALIDA REPRESENTATIVA DE LA IMAGEN TOMADA Y UN APARATO PARA LIMITAR EL TIEMPO DE EXPOSICION DEL APARATO DE TOMA DE IMAGENES A UN TIEMPO DE EXPOSICION RAPIDA SELECCIONADO INFERIOR A LA VELOCIDAD DE FRECUENCIA DE CUADRO DE VIDEO DEL APARATO DE TOMA DE IMAGENES. EL APARATO DE TOMA DE IMAGENES PUEDE SER UNA CAMARA BASADA EN CCD (40). LA CAMARA BASADA EN CCD Y EL APARATO DE ILUMINACION SE PUEDEN MONTAR EN UN RECUBRIMIENTO (20) QUE TIENE UNA PARED LATERAL OPACA. ENTRE EL APARATO DE ILUMINACION Y LA SUPERFICIE SE PUEDE COLOCAR UNA PRIMERA PELICULA DE POLARIZACION (100) Y ENTRE LA SUPERFICIE Y EL APARATO DE TOMA DE IMAGENES SE PUEDE COLOCAR UNA SEGUNDA PELICULA DE POLARIZACION (102) QUE TIENE UNA ORIENTACION DE POLARIZACION PERPENDICULAR A LA DE LA PRIMERA PELICULA DE POLARIZACION. SE PUEDEN INCLUIR UNOSINTERRUPTORES DE CLAVIJA (130, 132) PARA PREVENIR LA ACTIVACION DEL APARATO DE ILUMINACION Y DEL APARATO DE TOMA DE IMAGENES EXCEPTO CUANDO UN REBORDE INFERIOR DE LA PARED LATERAL DEL RECUBRIMIENTO ENTRA EN CONTACTO CON LA SUPERFICIE.
ES94910141T 1993-02-19 1994-02-18 Metodo y aparato para la iluminacion y obtencion de una imagen de una superficie. Expired - Lifetime ES2134933T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/020,295 US5399852A (en) 1993-02-19 1993-02-19 Method and apparatus for illumination and imaging of a surface employing cross polarization

Publications (1)

Publication Number Publication Date
ES2134933T3 true ES2134933T3 (es) 1999-10-16

Family

ID=21797807

Family Applications (1)

Application Number Title Priority Date Filing Date
ES94910141T Expired - Lifetime ES2134933T3 (es) 1993-02-19 1994-02-18 Metodo y aparato para la iluminacion y obtencion de una imagen de una superficie.

Country Status (11)

Country Link
US (3) US5399852A (es)
EP (1) EP0685092B1 (es)
JP (1) JP2895236B2 (es)
AT (1) ATE180341T1 (es)
AU (1) AU6269794A (es)
CA (1) CA2156153C (es)
DE (1) DE69418598T2 (es)
DK (1) DK0685092T3 (es)
ES (1) ES2134933T3 (es)
GR (1) GR3030935T3 (es)
WO (1) WO1994019766A2 (es)

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US7852519B2 (en) 2007-02-05 2010-12-14 Hand Held Products, Inc. Dual-tasking decoder for improved symbol reading
US8628015B2 (en) 2008-10-31 2014-01-14 Hand Held Products, Inc. Indicia reading terminal including frame quality evaluation processing

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7331523B2 (en) 2001-07-13 2008-02-19 Hand Held Products, Inc. Adaptive optical image reader
US7874485B2 (en) 2003-05-12 2011-01-25 Hand Held Products, Inc. Adaptive optical image reader
US7852519B2 (en) 2007-02-05 2010-12-14 Hand Held Products, Inc. Dual-tasking decoder for improved symbol reading
US8628015B2 (en) 2008-10-31 2014-01-14 Hand Held Products, Inc. Indicia reading terminal including frame quality evaluation processing
US9323969B2 (en) 2008-10-31 2016-04-26 Hand Held Products, Inc. Indicia reading terminal including frame quality evaluation processing
US9990520B2 (en) 2008-10-31 2018-06-05 Hand Held Products, Inc. Indicia reading terminal including frame quality evaluation processing
US10296770B2 (en) 2008-10-31 2019-05-21 Hand Held Products, Inc. Indicia reading terminal including frame quality evaluation processing

Also Published As

Publication number Publication date
DE69418598T2 (de) 1999-11-18
CA2156153C (en) 1999-04-13
JPH08506678A (ja) 1996-07-16
DE69418598D1 (de) 1999-06-24
US5517018A (en) 1996-05-14
DK0685092T3 (da) 1999-11-22
WO1994019766A2 (en) 1994-09-01
AU6269794A (en) 1994-09-14
EP0685092A1 (en) 1995-12-06
US5567934A (en) 1996-10-22
ATE180341T1 (de) 1999-06-15
CA2156153A1 (en) 1994-09-01
JP2895236B2 (ja) 1999-05-24
US5399852A (en) 1995-03-21
WO1994019766A3 (en) 1995-01-12
GR3030935T3 (en) 1999-11-30
EP0685092B1 (en) 1999-05-19

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