DE602004011979D1 - Omnidirektionalen beleuchtung in einer scanning-einrichtung - Google Patents

Omnidirektionalen beleuchtung in einer scanning-einrichtung

Info

Publication number
DE602004011979D1
DE602004011979D1 DE602004011979T DE602004011979T DE602004011979D1 DE 602004011979 D1 DE602004011979 D1 DE 602004011979D1 DE 602004011979 T DE602004011979 T DE 602004011979T DE 602004011979 T DE602004011979 T DE 602004011979T DE 602004011979 D1 DE602004011979 D1 DE 602004011979D1
Authority
DE
Germany
Prior art keywords
symbol
individually
light source
dark field
lighting elements
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.)
Active
Application number
DE602004011979T
Other languages
English (en)
Other versions
DE602004011979T3 (de
DE602004011979T2 (de
Inventor
Carl W Gerst Iii
William H Equitz
Justin Testa
Sateesh Nadabar
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.)
Cognex Technology and Investment LLC
Original Assignee
Cognex Technology and Investment LLC
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=34556630&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE602004011979(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority claimed from US10/693,626 external-priority patent/US7823783B2/en
Application filed by Cognex Technology and Investment LLC filed Critical Cognex Technology and Investment LLC
Publication of DE602004011979D1 publication Critical patent/DE602004011979D1/de
Application granted granted Critical
Publication of DE602004011979T2 publication Critical patent/DE602004011979T2/de
Publication of DE602004011979T3 publication Critical patent/DE602004011979T3/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • 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
    • G06K7/10821—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 further details of bar or optical code scanning devices
    • G06K7/10851—Circuits for pulse shaping, amplifying, eliminating noise signals, checking the function of the sensing device
    • 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
    • G06K7/14—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation using light without selection of wavelength, e.g. sensing reflected white light
    • 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
    • G06K7/14—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation using light without selection of wavelength, e.g. sensing reflected white light
    • G06K7/1404—Methods for optical code recognition
    • G06K7/146—Methods for optical code recognition the method including quality enhancement steps
DE602004011979T 2003-10-24 2004-10-21 Verfahren und vorrichtung zur bereitstellung einer omnidirektionalen beleuchtung in einer scanning-einrichtung Active DE602004011979T3 (de)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
US911989 1992-07-10
US10/693,626 US7823783B2 (en) 2003-10-24 2003-10-24 Light pipe illumination system and method
US693626 2003-10-24
US10/911,989 US7604174B2 (en) 2003-10-24 2004-08-05 Method and apparatus for providing omnidirectional lighting in a scanning device
EP04795959A EP1687752B2 (de) 2003-10-24 2004-10-21 Verfahren und vorrichtung zur bereitstellung einer omnidirektionalen beleuchtung in einer scanning-einrichtung
PCT/US2004/034872 WO2005043449A1 (en) 2003-10-24 2004-10-21 Method and apparatus for providing omnidirectional lighting in a scanning device

Publications (3)

Publication Number Publication Date
DE602004011979D1 true DE602004011979D1 (de) 2008-04-03
DE602004011979T2 DE602004011979T2 (de) 2009-02-12
DE602004011979T3 DE602004011979T3 (de) 2012-07-26

Family

ID=34556630

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602004011979T Active DE602004011979T3 (de) 2003-10-24 2004-10-21 Verfahren und vorrichtung zur bereitstellung einer omnidirektionalen beleuchtung in einer scanning-einrichtung

Country Status (6)

Country Link
US (5) US7604174B2 (de)
EP (1) EP1687752B2 (de)
JP (1) JP2007509442A (de)
AT (1) ATE386988T1 (de)
DE (1) DE602004011979T3 (de)
WO (1) WO2005043449A1 (de)

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US8282000B2 (en) 2012-10-09
US20120118966A1 (en) 2012-05-17
US20100025469A1 (en) 2010-02-04
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US20060032921A1 (en) 2006-02-16
US20130233926A1 (en) 2013-09-12
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US9298960B2 (en) 2016-03-29
US7604174B2 (en) 2009-10-20
US20150014415A1 (en) 2015-01-15
EP1687752B1 (de) 2008-02-20
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