CA1323425C - Optical beam scanner for bar-code - Google Patents

Optical beam scanner for bar-code

Info

Publication number
CA1323425C
CA1323425C CA000603617A CA603617A CA1323425C CA 1323425 C CA1323425 C CA 1323425C CA 000603617 A CA000603617 A CA 000603617A CA 603617 A CA603617 A CA 603617A CA 1323425 C CA1323425 C CA 1323425C
Authority
CA
Canada
Prior art keywords
rotary mirror
bar
code
laser beam
mirror
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 - Fee Related
Application number
CA000603617A
Other languages
English (en)
French (fr)
Inventor
Yoshitaka Murakawa
Yuichiro Takashima
Shigeru Noda
Ichiro Sebata
Mitsuharu Ishii
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.)
Fujitsu Ltd
Original Assignee
Fujitsu Ltd
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 Fujitsu Ltd filed Critical Fujitsu Ltd
Application granted granted Critical
Publication of CA1323425C publication Critical patent/CA1323425C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • G06K7/10821—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

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)
CA000603617A 1988-06-24 1989-06-22 Optical beam scanner for bar-code Expired - Fee Related CA1323425C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP63154961A JPH01321581A (ja) 1988-06-24 1988-06-24 バーコード用光学読み取り装置
JP63-154961 1988-06-24

Publications (1)

Publication Number Publication Date
CA1323425C true CA1323425C (en) 1993-10-19

Family

ID=15595690

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000603617A Expired - Fee Related CA1323425C (en) 1988-06-24 1989-06-22 Optical beam scanner for bar-code

Country Status (6)

Country Link
US (1) US5039184A (en, 2012)
EP (1) EP0348232B1 (en, 2012)
JP (1) JPH01321581A (en, 2012)
AU (1) AU609619B2 (en, 2012)
CA (1) CA1323425C (en, 2012)
DE (1) DE68908795T2 (en, 2012)

Families Citing this family (46)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2005862C (en) * 1988-12-20 1995-09-05 Hirokazu Aritake Optical scanner using planar reflecting holograms
JP3198103B2 (ja) * 1989-12-07 2001-08-13 株式会社東芝 光偏向装置の製造方法
US6182898B1 (en) 1993-11-24 2001-02-06 Metrologic Instruments, Inc. Bar code scanner with intuitive head aiming and collimated scan volume
US6257492B1 (en) 1990-09-10 2001-07-10 Peter Bressler Combination hand-held and counter-top omni-directional scanner
US5844227A (en) * 1993-11-24 1998-12-01 Metrologic Instruments, Inc. Automatic hand-supportable omnidirectional laser projection scanner with scan-head directed projection axis for intuitive hand-supported omnidirectional scanning of bar code symbols within a narrowly confined scanning volume extending thereabout
US6098885A (en) * 1990-09-10 2000-08-08 Metrologic Instruments Countertop projection laser scanning system for omnidirectional scanning volume projected above a countertop surface of code symbols within a narrowly-confined scanning
US5942743A (en) * 1994-08-17 1999-08-24 Metrologic Instruments, Inc. Portable automatic hand-supportable omnidirectional laser projection scanner with power conserving control system
US6286760B1 (en) 1994-08-17 2001-09-11 Metrologic Instruments, Inc. Automatic hand-supportable laser projection scanner for omni-directional reading of bar code symbols within a narrowly confined scanning volume
US5796091A (en) * 1993-11-24 1998-08-18 Metrologic Instruments, Inc. Automatic hand-supportable omnidirectional laser projection scanner with handle-controllable projection axis
US5216232A (en) * 1990-09-10 1993-06-01 Metrologic Instruments, Inc. Projection laser scanner producing a narrow scan volume
US6651890B2 (en) 1990-09-10 2003-11-25 Sung Ho Byun Combination hand-held and counter-top omnidirectional scanner
JP3126137B2 (ja) * 1990-11-01 2001-01-22 松下電器産業株式会社 ポストオブジェクティブ型走査光学系及び画像形成装置
JP3354162B2 (ja) * 1991-04-26 2002-12-09 富士通株式会社 走査装置
US5574592A (en) * 1992-12-24 1996-11-12 Fuji Electric Co., Ltd. Rotatable polygon mirror
US6604684B1 (en) 1993-11-24 2003-08-12 Metrologic Instruments Inc. Automatic optical projection scanner for omni-directional reading of bar code symbols within a confined scanning volume
US6860427B1 (en) 1993-11-24 2005-03-01 Metrologic Instruments, Inc. Automatic optical projection scanner for omni-directional reading of bar code symbols within a confined scanning volume
JPH0844816A (ja) * 1994-07-27 1996-02-16 Zeburatsuku:Kk 回転式タッチスキャナ
US7051922B2 (en) * 1994-08-17 2006-05-30 Metrologic Instruments, Inc. Compact bioptical laser scanning system
US6758402B1 (en) 1994-08-17 2004-07-06 Metrologic Instruments, Inc. Bioptical holographic laser scanning system
US5610385A (en) * 1995-02-23 1997-03-11 Ncr Corporation Optical bar code scanner which produces substantially perpendicular scan lines
JPH0991368A (ja) * 1995-07-20 1997-04-04 Fujitsu Ltd 光学読取装置
US5650869A (en) * 1995-05-05 1997-07-22 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Point relay scanner utilizing ellipsoidal mirrors
US6237851B1 (en) * 1999-03-29 2001-05-29 Ncr Corporation Dual mode barcode scanner
US6918540B2 (en) * 2000-04-18 2005-07-19 Metrologic Instruments, Inc. Bioptical point-of-sale (pos) scanning system employing dual polygon-based laser scanning platforms disposed beneath horizontal and vertical scanning windows for 360° omni-directional bar code scanning
US20030132291A1 (en) * 2002-01-11 2003-07-17 Metrologic Instruments, Inc. Point of sale (POS) station having bar code reading system with integrated internet-enabled customer-kiosk terminal
US7100832B2 (en) * 2000-04-18 2006-09-05 Metrologic Instruments, Inc. Bioptical laser scanning system providing 360° of omnidirectional bar code symbol scanning coverage at point of sale station
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
US6874690B2 (en) * 2002-01-11 2005-04-05 Metrologic Instruments, Inc. Modular omnidirectional bar code symbol scanning system with at least one service port for removable installation of scan module insert
US7083102B2 (en) * 2002-01-11 2006-08-01 Metrologic Instruments, Inc. Bioptical laser scanner for six-sided 360° Pos-based scanning
US7296748B2 (en) * 2002-01-11 2007-11-20 Metrologic Instruments, Inc. Bioptical laser scanning system providing 360° of omnidirectional bar code symbol scanning coverage at point of sale station
US6786413B2 (en) * 2002-12-19 2004-09-07 Symbol Technologies, Inc. Production of aiming spot with enhanced visibility in electro-optical readers for reading indicia
US7111785B2 (en) * 2003-06-05 2006-09-26 Symbol Technologies, Inc. Compact, omni-directional scan pattern generator and method in a reader for electro-optically reading indicia
US7617983B1 (en) * 2004-12-23 2009-11-17 Ncr Corporation Methods and apparatus for dynamic adjustment of scanner parameters
US20070069025A1 (en) * 2005-09-27 2007-03-29 Jerry Liao Bar code reader with polygon mirror having curved reflection surfaces
KR20080088222A (ko) * 2007-03-29 2008-10-02 삼성전자주식회사 화상형성장치와 이에 구비되는 광주사장치 및 폴리곤미러
US8408469B2 (en) 2010-10-07 2013-04-02 Metrologic Instruments, Inc. Laser scanning assembly having an improved scan angle-multiplication factor
US8678285B2 (en) * 2011-09-20 2014-03-25 Metrologic Instruments, Inc. Method of and apparatus for multiplying raster scanning lines by modulating a multi-cavity laser diode
JP5729358B2 (ja) * 2011-09-22 2015-06-03 株式会社リコー 光ビームスキャナ及びレーザレーダユニット
US8523076B2 (en) * 2012-01-10 2013-09-03 Metrologic Instruments, Inc. Omnidirectional laser scanning bar code symbol reader generating a laser scanning pattern with a highly non-uniform scan density with respect to line orientation
JP6025014B2 (ja) * 2012-02-22 2016-11-16 株式会社リコー 距離測定装置
CN103760669A (zh) * 2014-02-18 2014-04-30 苏州德沃智能系统有限公司 激光扫描器用多面旋转棱镜马达装置
US9625709B1 (en) 2015-09-29 2017-04-18 Datalogic Usa, Inc. Reduced windage prismatic polygonal reflector for scanning
CN106778423A (zh) * 2016-12-31 2017-05-31 沈炜 防抖动条形码扫描器
JP7129203B2 (ja) 2018-04-24 2022-09-01 キヤノン株式会社 ポリゴンミラー、偏向器、光走査装置、および画像形成装置
WO2020066402A1 (ja) * 2018-09-25 2020-04-02 株式会社小糸製作所 光照射装置
CN110568612B (zh) * 2019-09-26 2025-01-24 威海北洋电气集团股份有限公司 一种旋转反射头、激光扫描装置

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3520586A (en) * 1966-06-20 1970-07-14 Ampex Entrant beam optical scanner
US3718761A (en) * 1968-03-27 1973-02-27 Hughes Aircraft Co Omnidirectional planar optical code reader
US3818444A (en) * 1972-06-29 1974-06-18 Pitney Bowes Inc Optical bar code reading method and apparatus having an x scan pattern
US3988573A (en) * 1975-06-09 1976-10-26 Schiller Industries, Inc. Three line scanner for bar code symbols
JPS5820411B2 (ja) * 1976-06-12 1983-04-22 富士電機株式会社 光学的読取装置
JPS59187315A (ja) * 1983-04-08 1984-10-24 Fujitsu Ltd 光走査装置
JPS6184294A (ja) * 1984-10-02 1986-04-28 富士通株式会社 Ｘ―ｙプロッタ
JPS61118299A (ja) * 1984-11-14 1986-06-05 富士通株式会社 Ｘ―ｙプロッタのペンホルダ
US4624528A (en) * 1985-02-21 1986-11-25 Xerox Corporation Scanning systems with polygon scanner having curved facets
US4713532A (en) * 1985-11-21 1987-12-15 Metrologic Instruments, Inc. Compact omnidirectional laser scanner
JP2502314B2 (ja) * 1987-07-06 1996-05-29 株式会社テック ポストオブジェクティブ型光偏向器

Also Published As

Publication number Publication date
JPH0528877B2 (en, 2012) 1993-04-27
DE68908795D1 (de) 1993-10-07
AU3675589A (en) 1990-03-15
EP0348232B1 (en) 1993-09-01
EP0348232A2 (en) 1989-12-27
DE68908795T2 (de) 1993-12-16
AU609619B2 (en) 1991-05-02
EP0348232A3 (en) 1990-03-21
US5039184A (en) 1991-08-13
JPH01321581A (ja) 1989-12-27

Similar Documents

Publication Publication Date Title
CA1323425C (en) Optical beam scanner for bar-code
US4647143A (en) Light-beam scanning apparatus
US5406060A (en) Bar code reader for sensing at an acute angle
US4999482A (en) Optical scanning system for a bar code reader
JPH0628508A (ja) 光学読取方法および光学読取装置
EP0490604B1 (en) Optical scanning apparatus
KR100329535B1 (ko) 광학주사장치
US5498862A (en) Side scanning bar code reader with vertical and horizontal scan patterns
US5179271A (en) Compact optical scan pattern generator for bar code reading systems
WO1989005013A1 (en) Optical scanning apparatus
US5192857A (en) Compact optical scanner rotatable between horizontal and vertical positions
US5464972A (en) Omnidirectional bar code label scanner
US5298729A (en) Multiple depth of field optical scanner
JPS6448017A (en) Optical reader
KR100444814B1 (ko) 광주사장치및방법과광원모듈
US5081364A (en) Multifocal scanning system
EP0404412B1 (en) Bar code scanning system
EP0435100B1 (en) Symbol reader
US5223700A (en) Bar code reader having a polygon mirror providing different scan line lengths
EP0373934A2 (en) Hand-held bar code reader
US6237851B1 (en) Dual mode barcode scanner
US7264167B2 (en) Optical scanner having micro-electro-mechanical systems mirror array and associated method
US7051939B2 (en) Bar code scanner with laser beam oscillator
US5610385A (en) Optical bar code scanner which produces substantially perpendicular scan lines
US6905070B1 (en) Bar code scanner

Legal Events

Date Code Title Description
MKLA Lapsed
MKLA Lapsed

Effective date: 20051019