WO2004057521A3 - Optical code reader having variable depth of field - Google Patents
Optical code reader having variable depth of field Download PDFInfo
- Publication number
- WO2004057521A3 WO2004057521A3 PCT/US2003/040459 US0340459W WO2004057521A3 WO 2004057521 A3 WO2004057521 A3 WO 2004057521A3 US 0340459 W US0340459 W US 0340459W WO 2004057521 A3 WO2004057521 A3 WO 2004057521A3
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- field
- imaging
- optical code
- code reader
- variable depth
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
- G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
- G06K19/08—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code using markings of different kinds or more than one marking of the same kind in the same record carrier, e.g. one marking being sensed by optical and the other by magnetic means
- G06K19/10—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code using markings of different kinds or more than one marking of the same kind in the same record carrier, e.g. one marking being sensed by optical and the other by magnetic means at least one kind of marking being used for authentication, e.g. of credit or identity cards
- G06K19/14—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code using markings of different kinds or more than one marking of the same kind in the same record carrier, e.g. one marking being sensed by optical and the other by magnetic means at least one kind of marking being used for authentication, e.g. of credit or identity cards the marking being sensed by radiation
-
- 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
- G06K7/0004—Hybrid readers
-
- 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
- G06K7/0008—General problems related to the reading of electronic memory record carriers, independent of its reading method, e.g. power transfer
-
- 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
- G06K7/10009—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves
- G06K7/10366—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves the interrogation device being adapted for miscellaneous applications
- G06K7/10376—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves the interrogation device being adapted for miscellaneous applications the interrogation device being adapted for being moveable
- G06K7/10386—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves the interrogation device being adapted for miscellaneous applications the interrogation device being adapted for being moveable the interrogation device being of the portable or hand-handheld type, e.g. incorporated in ubiquitous hand-held devices such as PDA or mobile phone, or in the form of a portable dedicated RFID reader
-
- 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
-
- 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
- G06K7/10811—Focalisation
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Artificial Intelligence (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Toxicology (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Studio Devices (AREA)
- Automatic Focus Adjustment (AREA)
- Microscoopes, Condenser (AREA)
- Facsimile Scanning Arrangements (AREA)
- Silicon Polymers (AREA)
- Electrochromic Elements, Electrophoresis, Or Variable Reflection Or Absorption Elements (AREA)
Abstract
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU2003297990A AU2003297990B2 (en) | 2002-12-18 | 2003-12-17 | Optical code reader having variable depth of field |
EP03797063A EP1584061B1 (en) | 2002-12-18 | 2003-12-17 | Optical code reader having variable depth of field |
CA002508602A CA2508602C (en) | 2002-12-18 | 2003-12-17 | Optical code reader having variable depth of field |
AT03797063T ATE456104T1 (en) | 2002-12-18 | 2003-12-17 | OPTICAL CODE READER WITH VARIABLE DEPTH OF FOCUS |
DE60331105T DE60331105D1 (en) | 2002-12-18 | 2003-12-17 | OPTICAL CODELESER WITH VARIABLE DEEP SHARP |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US43451902P | 2002-12-18 | 2002-12-18 | |
US60/434,519 | 2002-12-18 | ||
US10/405,812 | 2003-04-02 | ||
US10/405,812 US7025271B2 (en) | 2002-12-18 | 2003-04-02 | Imaging optical code reader having selectable depths of field |
Publications (3)
Publication Number | Publication Date |
---|---|
WO2004057521A2 WO2004057521A2 (en) | 2004-07-08 |
WO2004057521A3 true WO2004057521A3 (en) | 2004-09-30 |
WO2004057521B1 WO2004057521B1 (en) | 2004-12-16 |
Family
ID=32599816
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US2003/040459 WO2004057521A2 (en) | 2002-12-18 | 2003-12-17 | Optical code reader having variable depth of field |
Country Status (7)
Country | Link |
---|---|
US (1) | US7025271B2 (en) |
EP (1) | EP1584061B1 (en) |
AT (1) | ATE456104T1 (en) |
AU (1) | AU2003297990B2 (en) |
CA (1) | CA2508602C (en) |
DE (1) | DE60331105D1 (en) |
WO (1) | WO2004057521A2 (en) |
Families Citing this family (36)
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US7823783B2 (en) | 2003-10-24 | 2010-11-02 | Cognex Technology And Investment Corporation | Light pipe illumination system and method |
US9536124B1 (en) | 2003-10-24 | 2017-01-03 | Cognex Corporation | Integrated illumination assembly for symbology reader |
US7604174B2 (en) | 2003-10-24 | 2009-10-20 | Cognex Technology And Investment Corporation | Method and apparatus for providing omnidirectional lighting in a scanning device |
US7874487B2 (en) | 2005-10-24 | 2011-01-25 | Cognex Technology And Investment Corporation | Integrated illumination assembly for symbology reader |
US7823789B2 (en) | 2004-12-21 | 2010-11-02 | Cognex Technology And Investment Corporation | Low profile illumination for direct part mark readers |
US9070031B2 (en) | 2003-10-24 | 2015-06-30 | Cognex Technology And Investment Llc | Integrated illumination assembly for symbology reader |
US8316068B2 (en) * | 2004-06-04 | 2012-11-20 | Telefonaktiebolaget Lm Ericsson (Publ) | Memory compression |
US7617984B2 (en) | 2004-12-16 | 2009-11-17 | Cognex Technology And Investment Corporation | Hand held symbology reader illumination diffuser |
US9292724B1 (en) | 2004-12-16 | 2016-03-22 | Cognex Corporation | Hand held symbology reader illumination diffuser with aimer optics |
US8061610B2 (en) * | 2005-10-24 | 2011-11-22 | Cognex Technology And Investment Corporation | System and method for employing color illumination and color filtration in a symbology reader |
US7965887B2 (en) * | 2005-12-01 | 2011-06-21 | Cognex Technology And Investment Corp. | Method of pattern location using color image data |
US8181878B2 (en) * | 2006-01-25 | 2012-05-22 | Cognex Technology And Investment Corporation | Method and apparatus for providing a focus indication for optical imaging of visual codes |
US7549582B1 (en) | 2006-05-30 | 2009-06-23 | Cognex Technology And Investment Corporation | Method and apparatus for adjusting focus in a symbology reader |
US8033670B2 (en) * | 2006-12-29 | 2011-10-11 | Cognex Corporation | Manually adjustable ruggedized focus mechanism |
US20080265035A1 (en) * | 2007-04-25 | 2008-10-30 | Symbol Technologies, Inc. | Dual imaging lens system for bar code reader |
US8302864B2 (en) | 2007-12-28 | 2012-11-06 | Cognex Corporation | Method and apparatus using aiming pattern for machine vision training |
US8646689B2 (en) | 2007-12-28 | 2014-02-11 | Cognex Corporation | Deformable light pattern for machine vision system |
US7762466B2 (en) * | 2008-12-18 | 2010-07-27 | Symbol Technologies, Inc. | Two position zoom lens assembly for an imaging-based bar code reader |
US8134116B2 (en) | 2009-01-12 | 2012-03-13 | Cognex Corporation | Modular focus system for image based code readers |
US8322617B2 (en) * | 2009-02-04 | 2012-12-04 | Datalogic ADC, Inc. | Systems and methods for selectively masking a scan volume of a data reader |
US8746887B2 (en) * | 2009-07-24 | 2014-06-10 | Samsung Electronics Co., Ltd. | Stereoscopic image projection system |
DE202009017346U1 (en) * | 2009-12-21 | 2011-05-12 | Sick Ag | Optics device for an optoelectronic sensor |
US20110290886A1 (en) * | 2010-05-27 | 2011-12-01 | Symbol Technologies, Inc. | Imaging bar code reader having variable aperture |
US8632011B2 (en) | 2011-01-18 | 2014-01-21 | Datalogic ADC, Inc. | Systems and methods for illuminating a scan volume of an optical code reader |
US9224024B2 (en) | 2011-11-11 | 2015-12-29 | Honeywell International, Inc. | Invariant design image capture device |
US11366284B2 (en) | 2011-11-22 | 2022-06-21 | Cognex Corporation | Vision system camera with mount for multiple lens types and lens module for the same |
US10498933B2 (en) | 2011-11-22 | 2019-12-03 | Cognex Corporation | Camera system with exchangeable illumination assembly |
US8947590B2 (en) | 2011-11-22 | 2015-02-03 | Cognex Corporation | Vision system camera with mount for multiple lens types |
US9746636B2 (en) | 2012-10-19 | 2017-08-29 | Cognex Corporation | Carrier frame and circuit board for an electronic device |
USD726186S1 (en) * | 2013-10-25 | 2015-04-07 | Symbol Technologies, Inc. | Scanner |
US9697401B2 (en) | 2015-11-24 | 2017-07-04 | Hand Held Products, Inc. | Add-on device with configurable optics for an image scanner for scanning barcodes |
US11095868B1 (en) | 2016-07-01 | 2021-08-17 | Cognex Corporation | Vision systems and methods of making and using the same |
US10592712B2 (en) * | 2017-12-01 | 2020-03-17 | Datalogic Ip Tech S.R.L. | Compact camera module with multilevel zoom and focus distance utilizing a switchable mirror |
DE202021103066U1 (en) | 2021-06-07 | 2022-09-08 | Sick Ag | Camera for capturing objects moving through a detection area |
DE102021114556A1 (en) | 2021-06-07 | 2022-12-08 | Sick Ag | Camera and method for detecting objects moving through a detection area |
US20230401403A1 (en) * | 2022-06-13 | 2023-12-14 | Datalogic Ip Tech S.R.L. | Dynamic diffusive illumination systems and methods |
Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5210398A (en) * | 1991-06-14 | 1993-05-11 | Symbol Technologies, Inc. | Optical scanner with extended depth of focus |
DE4142701A1 (en) * | 1991-12-21 | 1993-07-01 | Leuze Electronic Gmbh & Co | FOCUS ADJUSTMENT DEVICE FOR ADJUSTING THE DEPTH OF AN OPTICAL SCANNER DEVICE |
WO1994027172A1 (en) * | 1993-05-11 | 1994-11-24 | Norand Corporation | Focusing method and apparatus for reading two dimensional optical information sets and the like |
US5397885A (en) * | 1993-01-11 | 1995-03-14 | Reflexion Plus | Hand-held barcode label reader with increased depth of field |
US5414461A (en) * | 1991-11-15 | 1995-05-09 | Nissan Motor Co., Ltd. | Vehicle navigation apparatus providing simultaneous forward and rearward views |
WO2001029836A1 (en) * | 1999-10-21 | 2001-04-26 | 3M Innovative Properties Company | Autofocus z stage |
WO2002044790A1 (en) * | 2000-11-28 | 2002-06-06 | Psc Scanning, Inc. | Micro-optical system for an auto-focus scanner having an improved depth of field |
US6431452B2 (en) * | 1997-01-31 | 2002-08-13 | Metanetics Corporation | Portable data collection device with variable focusing module for optic assembly |
US6437900B1 (en) * | 1999-04-20 | 2002-08-20 | Koninklijke Philips Electronics N.V. | Transflective display device |
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US3812459A (en) | 1972-03-08 | 1974-05-21 | Optical Business Machines | Opticscan arrangement for optical character recognition systems |
US4251798A (en) | 1978-05-31 | 1981-02-17 | Symbol Technologies | Portable laser scanning arrangement for and method of evaluating and validating bar code symbols |
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US4877949A (en) | 1986-08-08 | 1989-10-31 | Norand Corporation | Hand-held instant bar code reader system with automated focus based on distance measurements |
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-
2003
- 2003-04-02 US US10/405,812 patent/US7025271B2/en not_active Expired - Lifetime
- 2003-12-17 CA CA002508602A patent/CA2508602C/en not_active Expired - Lifetime
- 2003-12-17 AT AT03797063T patent/ATE456104T1/en not_active IP Right Cessation
- 2003-12-17 DE DE60331105T patent/DE60331105D1/en not_active Expired - Lifetime
- 2003-12-17 WO PCT/US2003/040459 patent/WO2004057521A2/en not_active Application Discontinuation
- 2003-12-17 AU AU2003297990A patent/AU2003297990B2/en not_active Expired
- 2003-12-17 EP EP03797063A patent/EP1584061B1/en not_active Expired - Lifetime
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5210398A (en) * | 1991-06-14 | 1993-05-11 | Symbol Technologies, Inc. | Optical scanner with extended depth of focus |
US5414461A (en) * | 1991-11-15 | 1995-05-09 | Nissan Motor Co., Ltd. | Vehicle navigation apparatus providing simultaneous forward and rearward views |
DE4142701A1 (en) * | 1991-12-21 | 1993-07-01 | Leuze Electronic Gmbh & Co | FOCUS ADJUSTMENT DEVICE FOR ADJUSTING THE DEPTH OF AN OPTICAL SCANNER DEVICE |
US5397885A (en) * | 1993-01-11 | 1995-03-14 | Reflexion Plus | Hand-held barcode label reader with increased depth of field |
WO1994027172A1 (en) * | 1993-05-11 | 1994-11-24 | Norand Corporation | Focusing method and apparatus for reading two dimensional optical information sets and the like |
US6431452B2 (en) * | 1997-01-31 | 2002-08-13 | Metanetics Corporation | Portable data collection device with variable focusing module for optic assembly |
US6437900B1 (en) * | 1999-04-20 | 2002-08-20 | Koninklijke Philips Electronics N.V. | Transflective display device |
WO2001029836A1 (en) * | 1999-10-21 | 2001-04-26 | 3M Innovative Properties Company | Autofocus z stage |
WO2002044790A1 (en) * | 2000-11-28 | 2002-06-06 | Psc Scanning, Inc. | Micro-optical system for an auto-focus scanner having an improved depth of field |
Also Published As
Publication number | Publication date |
---|---|
EP1584061A2 (en) | 2005-10-12 |
WO2004057521B1 (en) | 2004-12-16 |
US7025271B2 (en) | 2006-04-11 |
AU2003297990B2 (en) | 2010-07-01 |
WO2004057521A2 (en) | 2004-07-08 |
ATE456104T1 (en) | 2010-02-15 |
CA2508602C (en) | 2008-09-30 |
US20040118918A1 (en) | 2004-06-24 |
EP1584061B1 (en) | 2010-01-20 |
AU2003297990A1 (en) | 2004-07-14 |
DE60331105D1 (en) | 2010-03-11 |
CA2508602A1 (en) | 2004-07-08 |
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