CA2288758A1 - Optical scanner and image reader for reading images and decoding optical information including one and two dimensional symbologies at variable depth of field - Google Patents

Optical scanner and image reader for reading images and decoding optical information including one and two dimensional symbologies at variable depth of field Download PDF

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Publication number
CA2288758A1
CA2288758A1 CA002288758A CA2288758A CA2288758A1 CA 2288758 A1 CA2288758 A1 CA 2288758A1 CA 002288758 A CA002288758 A CA 002288758A CA 2288758 A CA2288758 A CA 2288758A CA 2288758 A1 CA2288758 A1 CA 2288758A1
Authority
CA
Canada
Prior art keywords
field
variable depth
image reader
information including
reading images
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.)
Granted
Application number
CA002288758A
Other languages
French (fr)
Other versions
CA2288758C (en
Inventor
Alexander R. Roustaei
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.)
Symbol Technologies LLC
Original Assignee
Alexander R. Roustaei
Semiconductor Insights Inc.
Orisar Inc.
Symagery Microsystems Inc.
Symbol Technologies, 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 Alexander R. Roustaei, Semiconductor Insights Inc., Orisar Inc., Symagery Microsystems Inc., Symbol Technologies, Inc. filed Critical Alexander R. Roustaei
Priority to CA002577235A priority Critical patent/CA2577235A1/en
Publication of CA2288758A1 publication Critical patent/CA2288758A1/en
Application granted granted Critical
Publication of CA2288758C publication Critical patent/CA2288758C/en
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
    • G06K7/10821—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
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B26/00—Optical devices or arrangements for the control of light using movable or deformable optical elements
    • G02B26/08—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light
    • G02B26/10—Scanning systems
    • G02B26/101—Scanning systems with both horizontal and vertical deflecting means, e.g. raster or XY scanners
    • 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
    • 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
    • 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
    • G06K7/1098—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 the scanning arrangement having a modular construction

Abstract

An integrated system and method for reading image data. An optical scanner/image reader (15) is provided for reading images and decoding optical information or code, including one (28) and two dimensional (27) symbologies at variable depth of field, including memory (212) and image processing (210) for high speed applications.
CA002288758A 1997-05-05 1998-05-05 Optical scanner and image reader for reading images and decoding optical information including one and two dimensional symbologies at variable depth of field Expired - Lifetime CA2288758C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA002577235A CA2577235A1 (en) 1997-05-05 1998-05-05 Optical scanner and image reader for reading images and decoding optical information including one and two dimensional symbologies at variable depth of field

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US4554297P 1997-05-05 1997-05-05
US60/045,542 1997-05-05
PCT/US1998/009092 WO1998050814A1 (en) 1997-05-05 1998-05-05 Optical scanner and image reader for reading images and decoding optical information including one and two dimensional symbologies at variable depth of field

Related Child Applications (1)

Application Number Title Priority Date Filing Date
CA002577235A Division CA2577235A1 (en) 1997-05-05 1998-05-05 Optical scanner and image reader for reading images and decoding optical information including one and two dimensional symbologies at variable depth of field

Publications (2)

Publication Number Publication Date
CA2288758A1 true CA2288758A1 (en) 1998-11-12
CA2288758C CA2288758C (en) 2007-07-17

Family

ID=21938505

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002288758A Expired - Lifetime CA2288758C (en) 1997-05-05 1998-05-05 Optical scanner and image reader for reading images and decoding optical information including one and two dimensional symbologies at variable depth of field

Country Status (6)

Country Link
US (1) US6123261A (en)
EP (1) EP0980537B1 (en)
AU (1) AU7564698A (en)
CA (1) CA2288758C (en)
DE (1) DE69838714T2 (en)
WO (1) WO1998050814A1 (en)

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CA2288758C (en) 2007-07-17
DE69838714T2 (en) 2008-10-30
EP0980537A1 (en) 2000-02-23
AU7564698A (en) 1998-11-27
DE69838714D1 (en) 2007-12-27
WO1998050814A1 (en) 1998-11-12
EP0980537B1 (en) 2007-11-14
US6123261A (en) 2000-09-26

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