DE112006001171T5 - Verfahren und System zum Erfassen eines Strichcodes - Google Patents

Verfahren und System zum Erfassen eines Strichcodes Download PDF

Info

Publication number
DE112006001171T5
DE112006001171T5 DE112006001171T DE112006001171T DE112006001171T5 DE 112006001171 T5 DE112006001171 T5 DE 112006001171T5 DE 112006001171 T DE112006001171 T DE 112006001171T DE 112006001171 T DE112006001171 T DE 112006001171T DE 112006001171 T5 DE112006001171 T5 DE 112006001171T5
Authority
DE
Germany
Prior art keywords
threshold
results
cases
digitizing
optical signal
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.)
Withdrawn
Application number
DE112006001171T
Other languages
German (de)
English (en)
Inventor
Susumu Nakano
Kentaro Takahashi
Hiroshi Hayakawa
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.)
Optoelectronics Co Ltd
Opticon Inc
Original Assignee
Optoelectronics Co Ltd
Opticon 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 Optoelectronics Co Ltd, Opticon Inc filed Critical Optoelectronics Co Ltd
Publication of DE112006001171T5 publication Critical patent/DE112006001171T5/de
Withdrawn legal-status Critical Current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
    • G06K7/14—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation using light without selection of wavelength, e.g. sensing reflected white light
    • G06K7/1404—Methods for optical code recognition
    • G06K7/146—Methods for optical code recognition the method including quality enhancement steps
    • G06K7/1465—Methods for optical code recognition the method including quality enhancement steps using several successive scans of the optical code
    • 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
    • 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
    • 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
    • G06K7/10851—Circuits for pulse shaping, amplifying, eliminating noise signals, checking the function of the sensing device

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Artificial Intelligence (AREA)
  • Toxicology (AREA)
  • General Health & Medical Sciences (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Health & Medical Sciences (AREA)
  • Theoretical Computer Science (AREA)
  • Quality & Reliability (AREA)
  • Optics & Photonics (AREA)
  • Image Input (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Character Input (AREA)
DE112006001171T 2005-05-05 2006-05-03 Verfahren und System zum Erfassen eines Strichcodes Withdrawn DE112006001171T5 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US11/125,399 2005-05-05
US11/125,399 US7354000B2 (en) 2005-05-05 2005-05-05 Method and system for sensing a barcode
PCT/US2006/017002 WO2006121730A1 (en) 2005-05-05 2006-05-03 Method and system for sensing a barcode

Publications (1)

Publication Number Publication Date
DE112006001171T5 true DE112006001171T5 (de) 2008-04-10

Family

ID=37393204

Family Applications (1)

Application Number Title Priority Date Filing Date
DE112006001171T Withdrawn DE112006001171T5 (de) 2005-05-05 2006-05-03 Verfahren und System zum Erfassen eines Strichcodes

Country Status (5)

Country Link
US (1) US7354000B2 (enExample)
JP (1) JP2008541236A (enExample)
DE (1) DE112006001171T5 (enExample)
GB (1) GB2440080B (enExample)
WO (1) WO2006121730A1 (enExample)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9038917B2 (en) 2012-02-01 2015-05-26 Optoelectronics Co. Ltd. System and method for noise reduction in a bar code signal
CN104205125A (zh) 2012-04-03 2014-12-10 Opto电子有限公司 条形码读取器所用的可变增益放大器
CN108171118B (zh) * 2017-12-05 2020-10-02 东软集团股份有限公司 眨眼信号数据处理方法、装置、可读存储介质及电子设备

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53122327A (en) * 1977-03-31 1978-10-25 Omron Tateisi Electronics Co Bar code reader
JPS53129534A (en) * 1977-04-18 1978-11-11 Hokushin Electric Works Read signal discriminator for bar code reader
JPS5461420A (en) * 1977-10-25 1979-05-17 Fujitsu Ltd Data input system
JPS6065383A (ja) 1983-09-20 1985-04-15 Fujitsu Ltd バ−コ−ド読取装置
JPS6126185A (ja) * 1984-07-16 1986-02-05 Ricoh Co Ltd バ−コ−ドスキヤニング方式
JPS6235986A (ja) * 1985-08-10 1987-02-16 Fujitsu Ltd バ−コ−ド読取装置
US4800256A (en) * 1986-12-08 1989-01-24 International Business Machines Corporation Halographic scanner having adjustable sampling rate
JPS6441079U (enExample) 1987-08-28 1989-03-10
JPH0325585A (ja) 1989-06-22 1991-02-04 Hitachi Electron Eng Co Ltd バーコード読取り装置における誤読防止装置
KR950013780B1 (ko) * 1990-05-22 1995-11-16 후루까와 뗀끼 고요교오 가부시끼가이샤 이동하고 있는 길다란 물건의 길이를 측정하는 장치 및 그 방법
JPH04181384A (ja) 1990-11-15 1992-06-29 Sumitomo Electric Ind Ltd 記号読取装置
US5272322A (en) * 1990-08-21 1993-12-21 Dai Nippon Insatsu Kabushiki Kaisha Identification mark reading apparatus
US5278397A (en) * 1991-07-25 1994-01-11 Symbol Technologies, Inc. Multi-resolution bar code reader
JPH056455A (ja) * 1991-06-27 1993-01-14 Ricoh Res Inst Of Gen Electron パルスノイズ除去回路
US6213399B1 (en) * 1991-07-25 2001-04-10 Symbol Technologies, Inc. Multi-channel signal processing in an optical reader
JP2971636B2 (ja) * 1991-09-25 1999-11-08 オリンパス光学工業株式会社 バーコードシンボル読取装置
US6082621A (en) * 1992-04-02 2000-07-04 Symbol Technologies, Inc. Interface between threshold processing digitizer for bar code reader
JP2727037B2 (ja) * 1992-04-20 1998-03-11 富士通株式会社 バーコード読取り装置
KR940002697A (ko) * 1992-07-13 1994-02-19 시모야마 도시로오 바 코드 주사 스티치
US5371361A (en) 1993-02-01 1994-12-06 Spectra-Physics Scanning Systems, Inc. Optical processing system
US6527180B1 (en) 1993-11-17 2003-03-04 Symbol Technologies, Inc. Compact dual optical and scan modules in bar code readers
US5767501A (en) * 1993-11-24 1998-06-16 Metrologic Instruments, Inc. Mass-balanced automatic hand-supportable laser projection scanner for fatigue-free omnidirectional scanning of bar code symbols
GB9325439D0 (en) * 1993-12-13 1994-02-16 Ncr Int Inc Barcode reading method and apparatus
JP2713126B2 (ja) 1993-12-20 1998-02-16 日本電気株式会社 光受信装置
US5457309A (en) * 1994-03-18 1995-10-10 Hand Held Products Predictive bar code decoding system and method
US6708883B2 (en) * 1994-06-30 2004-03-23 Symbol Technologies, Inc. Apparatus and method for reading indicia using charge coupled device and scanning laser beam technology
US6343741B1 (en) * 1995-10-26 2002-02-05 Psc Scanning, Inc. Method and apparatus for detecting transitions in an input signal
US6729543B1 (en) * 1998-03-06 2004-05-04 Audiovelocity, Inc. Page identification system and method
US6616043B2 (en) * 1998-04-07 2003-09-09 Victor Zazzu Multi sensor information reader
JPH11316794A (ja) 1998-05-06 1999-11-16 Aisin Aw Seimitsu Kk セグメント情報読み取り判定方法
JP2000151290A (ja) 1998-11-05 2000-05-30 Nec Corp 初段増幅回路
US6830190B2 (en) 1999-02-02 2004-12-14 Metrologic Instruments, Inc. Multipath scan data signal processor having multiple signal processing paths with different operational characteristics to enable processing of signals having increased dynamic range
JP3881809B2 (ja) 1999-06-10 2007-02-14 Ｎｅｃインフロンティア株式会社 Ａｇｃ回路を備えた信号波形の処理回路
DE69941872D1 (de) * 1999-10-26 2010-02-11 Datalogic Spa Verfahren zum Wiederaufbau eines Streifenkodes durch aufeinanderfolgende Abtastungen
JP3456574B2 (ja) 1999-11-10 2003-10-14 日本電気株式会社 バーストモード光受信システム及び方法
JP2001196877A (ja) 2000-01-06 2001-07-19 Mitsubishi Electric Corp 前置増幅回路
ATE337586T1 (de) 2000-11-10 2006-09-15 Datalogic Spa Vorrichtung zum lesen kodierter informationen
US6729603B1 (en) * 2001-06-08 2004-05-04 Psc Scanning, Inc. Add-on capture rate in a barcode scanning system
JP2003030577A (ja) 2001-07-16 2003-01-31 Toshiba Tec Corp バーコード読取装置
JP2003337941A (ja) 2002-05-20 2003-11-28 Matsushita Electric Ind Co Ltd 画像認識装置と画像認識方法とプログラム
US6827266B2 (en) * 2002-10-04 2004-12-07 Ncr Corporation Methods and apparatus for using imaging information to improve scanning accuracy in bar code scanners

Also Published As

Publication number Publication date
US20060249583A1 (en) 2006-11-09
US7354000B2 (en) 2008-04-08
GB2440080A (en) 2008-01-16
WO2006121730A1 (en) 2006-11-16
GB2440080B (en) 2011-05-04
GB0721593D0 (en) 2007-12-12
JP2008541236A (ja) 2008-11-20

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Legal Events

Date Code Title Description
8110 Request for examination paragraph 44
R120 Application withdrawn or ip right abandoned

Effective date: 20120614