DE69418598T2 - Verfahren und vorrichtung zur beleuchtung und abbildung einer oberflaeche - Google Patents

Verfahren und vorrichtung zur beleuchtung und abbildung einer oberflaeche

Info

Publication number
DE69418598T2
DE69418598T2 DE69418598T DE69418598T DE69418598T2 DE 69418598 T2 DE69418598 T2 DE 69418598T2 DE 69418598 T DE69418598 T DE 69418598T DE 69418598 T DE69418598 T DE 69418598T DE 69418598 T2 DE69418598 T2 DE 69418598T2
Authority
DE
Germany
Prior art keywords
image
obtaining
illumination
polarizing film
ccd
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
DE69418598T
Other languages
English (en)
Other versions
DE69418598D1 (de
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
Publication of DE69418598D1 publication Critical patent/DE69418598D1/de
Application granted granted Critical
Publication of DE69418598T2 publication Critical patent/DE69418598T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
DE69418598T 1993-02-19 1994-02-18 Verfahren und vorrichtung zur beleuchtung und abbildung einer oberflaeche Expired - Lifetime DE69418598T2 (de)

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 (2)

Publication Number Publication Date
DE69418598D1 DE69418598D1 (de) 1999-06-24
DE69418598T2 true DE69418598T2 (de) 1999-11-18

Family

ID=21797807

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69418598T Expired - Lifetime DE69418598T2 (de) 1993-02-19 1994-02-18 Verfahren und vorrichtung zur beleuchtung und abbildung einer oberflaeche

Country Status (11)

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

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US7852519B2 (en) 2007-02-05 2010-12-14 Hand Held Products, Inc. Dual-tasking decoder for improved symbol reading
US7874485B2 (en) 2003-05-12 2011-01-25 Hand Held Products, Inc. Adaptive optical image reader
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 (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
EP0685092B1 (de) 1999-05-19
DE69418598D1 (de) 1999-06-24
EP0685092A1 (de) 1995-12-06
DK0685092T3 (da) 1999-11-22
GR3030935T3 (en) 1999-11-30
AU6269794A (en) 1994-09-14
US5517018A (en) 1996-05-14
CA2156153C (en) 1999-04-13
ES2134933T3 (es) 1999-10-16
WO1994019766A2 (en) 1994-09-01
CA2156153A1 (en) 1994-09-01
ATE180341T1 (de) 1999-06-15
JP2895236B2 (ja) 1999-05-24
US5399852A (en) 1995-03-21
JPH08506678A (ja) 1996-07-16
WO1994019766A3 (en) 1995-01-12
US5567934A (en) 1996-10-22

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