ATE265697T1 - Autofokus-system mit 2d oder 3d-kompensation - Google Patents

Autofokus-system mit 2d oder 3d-kompensation

Info

Publication number
ATE265697T1
ATE265697T1 AT01935604T AT01935604T ATE265697T1 AT E265697 T1 ATE265697 T1 AT E265697T1 AT 01935604 T AT01935604 T AT 01935604T AT 01935604 T AT01935604 T AT 01935604T AT E265697 T1 ATE265697 T1 AT E265697T1
Authority
AT
Austria
Prior art keywords
optical path
plane
image sensor
axis
optical
Prior art date
Application number
AT01935604T
Other languages
English (en)
Inventor
Kurt Hecht
Thomas J Brobst
Ronald C Wurz
Original Assignee
Accu Sort Systems 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 Accu Sort Systems Inc filed Critical Accu Sort Systems Inc
Application granted granted Critical
Publication of ATE265697T1 publication Critical patent/ATE265697T1/de

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
    • G02B7/02—Mountings, adjusting means, or light-tight connections, for optical elements for lenses
    • G02B7/04—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
    • G02B7/28—Systems for automatic generation of focusing signals
    • 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
    • G06K7/10792—Special measures in relation to the object to be scanned
    • G06K7/10801—Multidistance reading
    • G06K7/10811—Focalisation

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Optics & Photonics (AREA)
  • Electromagnetism (AREA)
  • Theoretical Computer Science (AREA)
  • General Health & Medical Sciences (AREA)
  • Artificial Intelligence (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Facsimile Scanning Arrangements (AREA)
  • Prostheses (AREA)
  • Mechanical Optical Scanning Systems (AREA)
  • Eye Examination Apparatus (AREA)
  • Automatic Focus Adjustment (AREA)
  • Instruments For Viewing The Inside Of Hollow Bodies (AREA)
  • Image Input (AREA)
  • Compounds Of Unknown Constitution (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
AT01935604T 2000-05-16 2001-05-16 Autofokus-system mit 2d oder 3d-kompensation ATE265697T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US20461000P 2000-05-16 2000-05-16
PCT/US2001/015889 WO2001088588A2 (en) 2000-05-16 2001-05-16 Auto-focus system with 2-d or 3-d compensation

Publications (1)

Publication Number Publication Date
ATE265697T1 true ATE265697T1 (de) 2004-05-15

Family

ID=22758645

Family Applications (1)

Application Number Title Priority Date Filing Date
AT01935604T ATE265697T1 (de) 2000-05-16 2001-05-16 Autofokus-system mit 2d oder 3d-kompensation

Country Status (7)

Country Link
US (1) US7026606B2 (de)
EP (1) EP1307775B1 (de)
JP (1) JP2003534564A (de)
AT (1) ATE265697T1 (de)
AU (1) AU2001261683A1 (de)
DE (1) DE60103067T2 (de)
WO (1) WO2001088588A2 (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005115833A (ja) * 2003-10-10 2005-04-28 Denso Wave Inc 光学情報読取装置
DE102004033649A1 (de) * 2004-07-12 2006-02-09 Siemens Ag Vorrichtung und Verfahren zum Einstellen einer Orientierung eines Detektorelements einer elektromagnetischen Strahlung und Kamera mit der Vorrichtung
US7726573B2 (en) * 2007-05-25 2010-06-01 Symbol Technologies, Inc. Compact autofocus bar code reader with moving mirror
IT201600068779A1 (it) 2016-07-01 2018-01-01 Datalogic IP Tech Srl Lettore di codici ottici
AU2018339006B2 (en) * 2017-09-29 2024-02-15 Leica Biosystems Imaging, Inc. Real-time autofocus focusing algorithm

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3854035A (en) * 1972-07-31 1974-12-10 Ferranti Packard Ltd Method and means for reading coded information
US3873812A (en) * 1972-07-31 1975-03-25 Ferranti Packard Ltd Reader for coded information
US3902047A (en) * 1973-08-31 1975-08-26 Ferranti Packard Ltd Label reader with rotatable television scan
US5872354A (en) * 1989-01-31 1999-02-16 Norand Corporation Hand-held data capture system with interchangable modules including autofocusing data file reader using the slope of the image signal to determine focus
WO1993002428A1 (en) * 1991-07-23 1993-02-04 Norand Corporation Method and apparatus for reading and focusing a bar code and data collection and communications module
US5453784A (en) * 1993-02-10 1995-09-26 Krishnan; Arun Imaging apparatus and method for determining range and determining focus information
US5523552A (en) * 1994-10-19 1996-06-04 Symbol Technologies, Inc. Method and apparatus to scan randomly oriented two-dimensional bar code symbols
US5796089A (en) * 1995-09-21 1998-08-18 Symbol Technologies, Inc. Bar code scanner with simplified auto-focus capability
DE19637629A1 (de) * 1996-09-16 1998-03-19 Eastman Kodak Co Elektronische Kamera zur Realisierung der Abbildungseigenschaften einer Studio-Balgenkamera
US6075242A (en) * 1998-11-03 2000-06-13 Mustek Systems Inc. Optical scanning module with adjustable optical path
US6688525B1 (en) * 1999-09-22 2004-02-10 Eastman Kodak Company Apparatus and method for reading a coded pattern
US6729544B2 (en) * 2001-05-02 2004-05-04 International Business Machines Corporation Fast barcode search

Also Published As

Publication number Publication date
WO2001088588A3 (en) 2003-03-13
DE60103067D1 (de) 2004-06-03
AU2001261683A1 (en) 2001-11-26
EP1307775A2 (de) 2003-05-07
DE60103067T2 (de) 2004-10-14
EP1307775B1 (de) 2004-04-28
US7026606B2 (en) 2006-04-11
WO2001088588A2 (en) 2001-11-22
JP2003534564A (ja) 2003-11-18
US20040124347A1 (en) 2004-07-01

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Legal Events

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