DE3566053D1 - Optical scanner having multiple, simultaneous scan lines with different focal lengths - Google Patents

Optical scanner having multiple, simultaneous scan lines with different focal lengths

Info

Publication number
DE3566053D1
DE3566053D1 DE8585100004T DE3566053T DE3566053D1 DE 3566053 D1 DE3566053 D1 DE 3566053D1 DE 8585100004 T DE8585100004 T DE 8585100004T DE 3566053 T DE3566053 T DE 3566053T DE 3566053 D1 DE3566053 D1 DE 3566053D1
Authority
DE
Germany
Prior art keywords
scan lines
optical scanner
focal lengths
different focal
simultaneous scan
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
Application number
DE8585100004T
Other languages
English (en)
Inventor
Eric Charles Broockman
Robert Thomas Cato
Leroy David Dickson
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.)
International Business Machines Corp
Original Assignee
International Business Machines Corp
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 International Business Machines Corp filed Critical International Business Machines Corp
Application granted granted Critical
Publication of DE3566053D1 publication Critical patent/DE3566053D1/de
Expired 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
    • G06K7/10861—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 sensing of data fields affixed to objects or articles, e.g. coded labels
    • G06K7/10871—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 sensing of data fields affixed to objects or articles, e.g. coded labels randomly oriented data-fields, code-marks therefore, e.g. concentric circles-code
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K2207/00—Other aspects
    • G06K2207/1013—Multi-focal
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K2207/00—Other aspects
    • G06K2207/1018—Source control
DE8585100004T 1984-02-13 1985-01-02 Optical scanner having multiple, simultaneous scan lines with different focal lengths Expired DE3566053D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/579,634 US4591242A (en) 1984-02-13 1984-02-13 Optical scanner having multiple, simultaneous scan lines with different focal lengths

Publications (1)

Publication Number Publication Date
DE3566053D1 true DE3566053D1 (en) 1988-12-08

Family

ID=24317714

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8585100004T Expired DE3566053D1 (en) 1984-02-13 1985-01-02 Optical scanner having multiple, simultaneous scan lines with different focal lengths

Country Status (4)

Country Link
US (1) US4591242A (de)
EP (1) EP0152733B1 (de)
JP (1) JPS60178587A (de)
DE (1) DE3566053D1 (de)

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US4748316A (en) * 1986-06-13 1988-05-31 International Business Machines Corporation Optical scanner for reading bar codes detected within a large depth of field
US4818886A (en) * 1986-11-12 1989-04-04 Quential, Inc. Method and apparatus for self-referencing and self-focusing a bar-code reader
US4800256A (en) * 1986-12-08 1989-01-24 International Business Machines Corporation Halographic scanner having adjustable sampling rate
US4728789A (en) * 1986-12-08 1988-03-01 International Business Machines Corporation System for adjusting holographic scanner lockout voltage
US4758058A (en) * 1987-01-12 1988-07-19 International Business Machines Corporation Holographic disk scanner having special position-indicating holograms
US4808804A (en) * 1987-01-28 1989-02-28 Symbol Technologies, Inc. Bar code symbol readers with variable spot size and/or working distance
JP2737143B2 (ja) * 1988-03-08 1998-04-08 日本電気株式会社 バーコード読取装置
US5175421A (en) * 1989-05-01 1992-12-29 International Business Machines Corporation Dual depth of field deflector for bar code scanners
US5258605A (en) * 1990-03-13 1993-11-02 Symbol Technologies, Inc. Scan generators for bar code reader using linear array of lasers
US5073702A (en) * 1990-03-26 1991-12-17 Ncr Corporation Multiple beam bar code scanner
CA2056272C (en) * 1991-06-14 2001-10-16 Patrick Salatto, Jr. Combined range laser scanner
US5210398A (en) * 1991-06-14 1993-05-11 Symbol Technologies, Inc. Optical scanner with extended depth of focus
US5162929A (en) * 1991-07-05 1992-11-10 Eastman Kodak Company Single-beam, multicolor hologon scanner
US5495096A (en) * 1991-09-20 1996-02-27 Omron Corporation Multi-focus optical device
US5491328A (en) 1991-09-24 1996-02-13 Spectra-Physics Scanning Systems, Inc. Checkout counter scanner having multiple scanning surfaces
US5438187A (en) * 1991-11-01 1995-08-01 Spectra-Physics Scanning Systems, Inc. Multiple focus optical system for data reading applications
WO1993017396A1 (en) * 1992-02-21 1993-09-02 Spectra-Physics Scanning Systems, Inc. Bar code scanner
US6000619A (en) * 1992-02-21 1999-12-14 Spectra-Physics Scanning Systems, Inc. Scanner assembly
US5354977A (en) * 1992-02-27 1994-10-11 Alex Roustaei Optical scanning head
US5756981A (en) * 1992-02-27 1998-05-26 Symbol Technologies, Inc. Optical scanner for reading and decoding one- and-two-dimensional symbologies at variable depths of field including memory efficient high speed image processing means and high accuracy image analysis means
IL102996A (en) * 1992-08-30 1996-10-31 Scitex Corp Ltd scanner
US5361158A (en) * 1992-09-14 1994-11-01 At&T Global Information Solutions (Fka Ncr Corporation) Multiple source optical scanner
US5347121A (en) * 1992-12-18 1994-09-13 Spectra-Physics Scanning Systems, Inc. Variable focus optical system for data reading
US5479011A (en) * 1992-12-18 1995-12-26 Spectra-Physics Scanning Systems, Inc. Variable focus optical system for data reading
US5412195A (en) * 1992-12-29 1995-05-02 Hughes Aircraft Company High security spectral code strip
JPH06242715A (ja) * 1993-02-17 1994-09-02 Komatsu Ltd ３次元画像表示装置
US5404002A (en) * 1993-05-17 1995-04-04 At&T Global Information Solutions Company Backup method for multiple source optical scanner
US5484990A (en) * 1993-12-15 1996-01-16 Ncr Corporation Information Solutions Company Multiple depth of field laser optical scanner
JP2718442B2 (ja) * 1993-12-20 1998-02-25 富士通株式会社 バーコード復調方法及び装置
US6073846A (en) * 1994-08-17 2000-06-13 Metrologic Instruments, Inc. Holographic laser scanning system and process and apparatus and method
US6006993A (en) * 1994-08-17 1999-12-28 Metrologic Instruments, Inc. Holographic laser scanning system for carrying out laser beam scanning operations with improved scan angle multiplication efficiency and carrying out light collection operations with improved light collection efficiency
US6547144B1 (en) 1994-08-17 2003-04-15 Metrologic Instruments, Inc. Holographic laser scanning system for carrying out light collection operations with improved light collection efficiency
US6199759B1 (en) 1994-08-17 2001-03-13 Metrologic Instruments, Inc. Bar code symbol scanning system having a holographic laser scanning disc utilizing maximum light collection surface area thereof and having scanning facets with optimized light collection efficiency
US6003772A (en) * 1994-08-17 1999-12-21 Metrologic Instruments, Inc. Holographic laser scanning system employing holographic scanning disc having dual-fringe contrast regions for optimized laser beam scanning and light collection operations
US6158659A (en) 1994-08-17 2000-12-12 Metrologic Instruments, Inc. Holographic laser scanning system having multiple laser scanning stations for producing a 3-D scanning volume substantially free of spatially and temporally coincident scanning planes
US6758402B1 (en) 1994-08-17 2004-07-06 Metrologic Instruments, Inc. Bioptical holographic laser scanning system
US6085978A (en) * 1994-08-17 2000-07-11 Metrologic Instruments, Inc. Holographic laser scanners of modular construction and method and apparatus for designing and manufacturing the same
US7051922B2 (en) * 1994-08-17 2006-05-30 Metrologic Instruments, Inc. Compact bioptical laser scanning system
US6543693B1 (en) 1995-02-27 2003-04-08 Symbol Technologies, Inc. Bar code readers using surface emitting laser diode
US6422467B2 (en) * 1995-12-18 2002-07-23 Metrologic Instruments, Inc. Reading system a variable pass-band
US6619550B1 (en) 1995-12-18 2003-09-16 Metrologic Instruments, Inc. Automated tunnel-type laser scanning system employing corner-projected orthogonal laser scanning patterns for enhanced reading of ladder and picket fence oriented bar codes on packages moving therethrough
US6134039A (en) * 1998-01-27 2000-10-17 Psc Scanning, Inc. Wavelength dependent thermally compensated optical system
US6193157B1 (en) * 1998-07-27 2001-02-27 Cimatrix Frequency division multiplexed bar code scanner
US6279829B1 (en) * 1999-06-09 2001-08-28 Psc Scanning, Inc. Method and apparatus for reducing bandwidth limited noise in an optical scanner
US6290135B1 (en) 1999-07-23 2001-09-18 Psc Scanning, Inc. Multiple source/dense pattern optical scanner
JP3548463B2 (ja) * 1999-07-29 2004-07-28 ペンタックス株式会社 マルチビーム走査光学装置の同期信号検出方法及び検出装置
US6695209B1 (en) * 1999-10-04 2004-02-24 Psc Scanning, Inc. Triggerless optical reader with signal enhancement features
JP4330762B2 (ja) 2000-04-21 2009-09-16 富士フイルム株式会社 マルチビーム露光装置
US6585161B1 (en) 2000-08-30 2003-07-01 Psc Scanning, Inc. Dense pattern optical scanner
FR3025913B1 (fr) 2014-09-12 2016-09-09 Biomerieux Sa Dispositif de lecture de codes-barres et machine pour l'analyse automatise d'un echantillon comprenant un tel dispositif
US9562763B2 (en) * 2014-10-29 2017-02-07 Sunmoon University Industry—University Cooperation Apparatus for inspecting curvature

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5734541B2 (de) * 1974-08-16 1982-07-23
JPS5918753B2 (ja) * 1977-05-13 1984-04-28 富士通株式会社 光走査装置
JPS5820406B2 (ja) * 1975-06-10 1983-04-22 富士通株式会社 ヒカリソウサソウチ
JPS5360520A (en) * 1976-11-12 1978-05-31 Nippon Electric Ind Optical scanner for reading bar code
US4266846A (en) * 1976-12-28 1981-05-12 University Of Delaware Two-dimensional scanners
JPS5444552A (en) * 1977-09-14 1979-04-09 Fujitsu Ltd Information reader
US4474422A (en) * 1979-11-13 1984-10-02 Canon Kabushiki Kaisha Optical scanning apparatus having an array of light sources
US4333006A (en) * 1980-12-12 1982-06-01 Ncr Corporation Multifocal holographic scanning system

Also Published As

Publication number Publication date
JPH0132550B2 (de) 1989-07-05
US4591242A (en) 1986-05-27
JPS60178587A (ja) 1985-09-12
EP0152733A1 (de) 1985-08-28
EP0152733B1 (de) 1988-11-02

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee