DK0685092T3 - Fremgangsmåde og apparat til belysning og billeddannelse af en overflade - Google Patents

Fremgangsmåde og apparat til belysning og billeddannelse af en overflade

Info

Publication number
DK0685092T3
DK0685092T3 DK94910141T DK94910141T DK0685092T3 DK 0685092 T3 DK0685092 T3 DK 0685092T3 DK 94910141 T DK94910141 T DK 94910141T DK 94910141 T DK94910141 T DK 94910141T DK 0685092 T3 DK0685092 T3 DK 0685092T3
Authority
DK
Denmark
Prior art keywords
image
obtaining
illumination
polarizing film
ccd
Prior art date
Application number
DK94910141T
Other languages
English (en)
Inventor
Joe Zheng
John Sussmeier
Original Assignee
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 Inc filed Critical United Parcel Service Inc
Application granted granted Critical
Publication of DK0685092T3 publication Critical patent/DK0685092T3/da

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR 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)
DK94910141T 1993-02-19 1994-02-18 Fremgangsmåde og apparat til belysning og billeddannelse af en overflade DK0685092T3 (da)

Applications Claiming Priority (2)

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
PCT/US1994/001803 WO1994019766A2 (en) 1993-02-19 1994-02-18 Method and apparatus for illumination and imaging of a surface

Publications (1)

Publication Number Publication Date
DK0685092T3 true DK0685092T3 (da) 1999-11-22

Family

ID=21797807

Family Applications (1)

Application Number Title Priority Date Filing Date
DK94910141T DK0685092T3 (da) 1993-02-19 1994-02-18 Fremgangsmåde og apparat til belysning og billeddannelse af en overflade

Country Status (11)

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

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US9990520B2 (en) 2008-10-31 2018-06-05 Hand Held Products, Inc. Indicia reading terminal including frame quality evaluation processing

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
US5399852A (en) 1995-03-21
ATE180341T1 (de) 1999-06-15
JPH08506678A (ja) 1996-07-16
CA2156153C (en) 1999-04-13
EP0685092A1 (en) 1995-12-06
DE69418598T2 (de) 1999-11-18
DE69418598D1 (de) 1999-06-24
US5517018A (en) 1996-05-14
US5567934A (en) 1996-10-22
GR3030935T3 (en) 1999-11-30
WO1994019766A2 (en) 1994-09-01
CA2156153A1 (en) 1994-09-01
JP2895236B2 (ja) 1999-05-24
ES2134933T3 (es) 1999-10-16
AU6269794A (en) 1994-09-14
EP0685092B1 (en) 1999-05-19
WO1994019766A3 (en) 1995-01-12

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