DE69704782D1 - Optischer Codeabtaster mit sich entlang zwei unterschiedlichen optischen Wegen bewegenden Laserstrahlen - Google Patents

Optischer Codeabtaster mit sich entlang zwei unterschiedlichen optischen Wegen bewegenden Laserstrahlen

Info

Publication number
DE69704782D1
DE69704782D1 DE69704782T DE69704782T DE69704782D1 DE 69704782 D1 DE69704782 D1 DE 69704782D1 DE 69704782 T DE69704782 T DE 69704782T DE 69704782 T DE69704782 T DE 69704782T DE 69704782 D1 DE69704782 D1 DE 69704782D1
Authority
DE
Germany
Prior art keywords
optical
laser beams
moving along
code scanner
optical paths
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
DE69704782T
Other languages
English (en)
Other versions
DE69704782T2 (de
Inventor
Guido Maurizio Oliva
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.)
Datalogic SpA
Original Assignee
Datalogic SpA
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 Datalogic SpA filed Critical Datalogic SpA
Application granted granted Critical
Publication of DE69704782D1 publication Critical patent/DE69704782D1/de
Publication of DE69704782T2 publication Critical patent/DE69704782T2/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
    • G06K7/10554—Moving beam scanning
    • G06K7/10594—Beam path
    • G06K7/10603—Basic scanning using moving elements
    • G06K7/10673—Parallel lines
    • 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
    • G06K7/10554—Moving beam scanning
    • G06K7/10564—Light sources
    • G06K7/10574—Multiple 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
    • G06K7/10792—Special measures in relation to the object to be scanned
    • G06K7/10801—Multidistance reading

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Artificial Intelligence (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Mechanical Optical Scanning Systems (AREA)
  • Mechanical Light Control Or Optical Switches (AREA)
DE69704782T 1997-12-16 1997-12-16 Optischer Codeabtaster mit sich entlang zwei unterschiedlichen optischen Wegen bewegenden Laserstrahlen Expired - Lifetime DE69704782T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP97830674A EP0926615B1 (de) 1997-12-16 1997-12-16 Optischer Codeabtaster mit sich entlang zwei unterschiedlichen optischen Wegen bewegenden Laserstrahlen

Publications (2)

Publication Number Publication Date
DE69704782D1 true DE69704782D1 (de) 2001-06-13
DE69704782T2 DE69704782T2 (de) 2002-03-07

Family

ID=8230896

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69704782T Expired - Lifetime DE69704782T2 (de) 1997-12-16 1997-12-16 Optischer Codeabtaster mit sich entlang zwei unterschiedlichen optischen Wegen bewegenden Laserstrahlen

Country Status (4)

Country Link
US (2) US6177979B1 (de)
EP (1) EP0926615B1 (de)
AT (1) ATE201107T1 (de)
DE (1) DE69704782T2 (de)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69704782T2 (de) * 1997-12-16 2002-03-07 Datalogic Spa Optischer Codeabtaster mit sich entlang zwei unterschiedlichen optischen Wegen bewegenden Laserstrahlen
US6712274B2 (en) * 1998-03-26 2004-03-30 Symbol Technologies, Inc. Permanent visual shock indicator
US6715681B2 (en) * 1998-03-26 2004-04-06 Symbol Technologies, Inc. Scanning module for single line and raster scanning using dual lasers
KR100402043B1 (ko) * 1998-09-30 2003-10-17 가부시키가이샤 히타치세이사쿠쇼 비접촉형 화상 판독 장치 및 그것을 이용한 시스템
US6356081B1 (en) 1998-11-25 2002-03-12 Medrad, Inc. Multimode operation of quadrature phased array MR coil systems
DE10009493A1 (de) * 2000-02-29 2001-08-30 Sick Ag Scanner
US7016551B1 (en) * 2000-04-10 2006-03-21 Fuji Xerox Co., Ltd. Image reader
DE10209269C1 (de) * 2002-03-01 2003-07-03 Leuze Electronic Gmbh & Co Optoelektronische Vorrichtung
US6722566B1 (en) * 2002-11-07 2004-04-20 Symbol Technologies, Inc. Electro-optical scan module using selectable mirrors
DE10331467A1 (de) * 2003-07-11 2005-02-10 Sick Ag Vorrichtung zum optischen Abtasten von Objekten, insbesondere von Markierungen
US7017812B1 (en) 2003-11-26 2006-03-28 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Variable distance angular symbology reader
DE102004009496A1 (de) * 2004-02-27 2005-09-15 Sick Ag Verfahren und Vorrichtung zum optischen Abtasten von Objekten
US7051939B2 (en) * 2004-06-07 2006-05-30 Ncr Corporation Bar code scanner with laser beam oscillator
DE102005056899B4 (de) 2005-11-28 2007-10-18 Schleifring Und Apparatebau Gmbh Polarisationserhaltende optische Drehkupplung
US8056810B2 (en) * 2006-07-12 2011-11-15 Ncr Corporation Methods and apparatus for generating and decoding scan patterns using multiple laser sources
DE102007013923B4 (de) 2006-12-22 2012-02-02 Schleifring Und Apparatebau Gmbh Mehrkanaliger optischer Drehübertrager mit hoher Rückflußdämpfung
DE102007029503A1 (de) 2007-06-25 2009-01-02 Schleifring Und Apparatebau Gmbh Optischer Drehübertrager mit kurzer Baulänge
US9373017B2 (en) 2013-04-26 2016-06-21 Datalogic Automation, Inc. Scanning system
US9759911B2 (en) 2013-08-06 2017-09-12 Datalogic Ip Tech S.R.L. Reading device for reading coded information and method for focusing such a reading device
EP3031007B1 (de) 2013-08-06 2019-10-02 Datalogic IP TECH S.r.l. Laserlichtstrahl-abtastvorrichtung zum auslesen codierter informationen
CN106054493A (zh) * 2016-05-27 2016-10-26 国芯科技（北京）有限公司 光学系统和扫描枪

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3679828A (en) * 1969-10-08 1972-07-25 Westinghouse Air Brake Co Electronic scanner
US4224509A (en) * 1978-10-19 1980-09-23 Ncr Corporation Holographic scanning system
US5091744A (en) * 1984-02-13 1992-02-25 Canon Kabushiki Kaisha Illumination optical system
IT1242584B (it) * 1990-10-09 1994-05-16 Datalogic Spa Lettore di codici a barre a raggio laser.
CA2052251A1 (en) * 1990-12-24 1992-06-25 Edward Barkan Multi-laser scanning system and method of utilization thereof
US5719948A (en) * 1994-06-24 1998-02-17 Angstrom Technologies, Inc. Apparatus and methods for fluorescent imaging and optical character reading
US6106498A (en) * 1995-07-06 2000-08-22 Disetronic Licensing Ag Disposable cassette for connection to a liquid drug infusion pump
CN1130602C (zh) * 1996-02-23 2003-12-10 Asm石版印刷公司 光学系统的照明单元和用于重复地将掩模图案成像在基片上的装置
DE69704782T2 (de) * 1997-12-16 2002-03-07 Datalogic Spa Optischer Codeabtaster mit sich entlang zwei unterschiedlichen optischen Wegen bewegenden Laserstrahlen
US6275718B1 (en) * 1999-03-23 2001-08-14 Philip Lempert Method and apparatus for imaging and analysis of ocular tissue

Also Published As

Publication number Publication date
US6527184B1 (en) 2003-03-04
DE69704782T2 (de) 2002-03-07
EP0926615A1 (de) 1999-06-30
EP0926615B1 (de) 2001-05-09
ATE201107T1 (de) 2001-05-15
US6177979B1 (en) 2001-01-23

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