FR2735891B1 - Systeme de lecture de symboles de donnee - Google Patents

Systeme de lecture de symboles de donnee

Info

Publication number
FR2735891B1
FR2735891B1 FR9607689A FR9607689A FR2735891B1 FR 2735891 B1 FR2735891 B1 FR 2735891B1 FR 9607689 A FR9607689 A FR 9607689A FR 9607689 A FR9607689 A FR 9607689A FR 2735891 B1 FR2735891 B1 FR 2735891B1
Authority
FR
France
Prior art keywords
data symbols
reading data
reading
symbols
data
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 - Lifetime
Application number
FR9607689A
Other languages
English (en)
Other versions
FR2735891A1 (fr
Inventor
Takeharu Shin
Shuzo Seo
Nobuhiro Tani
Makoto Nukui
Yukihiro Ishizuka
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.)
Pentax Corp
Original Assignee
Asahi Kogaku Kogyo Co 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 Asahi Kogaku Kogyo Co Ltd filed Critical Asahi Kogaku Kogyo Co Ltd
Publication of FR2735891A1 publication Critical patent/FR2735891A1/fr
Application granted granted Critical
Publication of FR2735891B1 publication Critical patent/FR2735891B1/fr
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
    • G06K7/10712—Fixed beam scanning
    • G06K7/10722—Photodetector array or CCD scanning
    • G06K7/10742—Photodetector array or CCD scanning including a diffuser for diffusing the light from the light source to create substantially uniform illumination of the target record carrier
    • 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
    • G06K7/10732—Light sources
    • 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
    • G06K7/10752—Exposure time control
    • 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
    • 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
    • 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
    • G06K7/1092—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 by means of TV-scanning
    • 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

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)
  • Image Input (AREA)
FR9607689A 1995-06-21 1996-06-20 Systeme de lecture de symboles de donnee Expired - Lifetime FR2735891B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7179533A JPH096891A (ja) 1995-06-21 1995-06-21 データシンボル読み取り装置およびデータシンボル読み取りシステム

Publications (2)

Publication Number Publication Date
FR2735891A1 FR2735891A1 (fr) 1996-12-27
FR2735891B1 true FR2735891B1 (fr) 2000-02-18

Family

ID=16067424

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9607689A Expired - Lifetime FR2735891B1 (fr) 1995-06-21 1996-06-20 Systeme de lecture de symboles de donnee

Country Status (5)

Country Link
US (2) US5754670A (fr)
JP (1) JPH096891A (fr)
DE (1) DE19624930C2 (fr)
FR (1) FR2735891B1 (fr)
GB (1) GB2302434B (fr)

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AT21U3 (de) * 1994-06-20 1995-01-25 Techno Circle Produktions Und Rollschuh
JPH096891A (ja) * 1995-06-21 1997-01-10 Asahi Optical Co Ltd データシンボル読み取り装置およびデータシンボル読み取りシステム
JP3776989B2 (ja) * 1996-08-30 2006-05-24 ペンタックス株式会社 シンボル読み取り装置
JP3635829B2 (ja) * 1996-12-10 2005-04-06 松下電器産業株式会社 バーコード読み取り装置
JPH10224616A (ja) * 1997-02-04 1998-08-21 Fuji Xerox Co Ltd 画像読取装置
JP2834113B1 (ja) * 1997-06-16 1998-12-09 日本電気精器株式会社 コード読取方法及び装置
US6598797B2 (en) * 1998-09-11 2003-07-29 Jason J. Lee Focus and illumination analysis algorithm for imaging device
JP2000099702A (ja) * 1998-09-24 2000-04-07 Olympus Optical Co Ltd ラインセンサを用いた画像処理システム
US6078698A (en) 1999-09-20 2000-06-20 Flir Systems, Inc. System for reading data glyphs
JP3607131B2 (ja) 1999-05-26 2005-01-05 株式会社デンソー 情報コード画像取込装置、光学情報読取装置及び画像取込タイミング設定システム
US6455840B1 (en) * 1999-10-28 2002-09-24 Hewlett-Packard Company Predictive and pulsed illumination of a surface in a micro-texture navigation technique
DE19953918C1 (de) * 1999-11-10 2001-04-12 Laetus Geschaeftsbereich Der R Verfahren und Vorrichtung zur optischen Erfassung von Bildinhalten
DE10009493A1 (de) * 2000-02-29 2001-08-30 Sick Ag Scanner
US6912076B2 (en) 2000-03-17 2005-06-28 Accu-Sort Systems, Inc. Coplanar camera scanning system
US6601772B1 (en) * 2000-07-14 2003-08-05 Intellidot Corporation Compact matrix code and one-touch device and method for code reading
DE10050368A1 (de) * 2000-10-11 2002-04-18 Sick Ag Vorrichtung und Verfahren zur Erkennung von Codes
US7140543B2 (en) * 2000-11-24 2006-11-28 Metrologic Instruments, Inc. Planar light illumination and imaging device with modulated coherent illumination that reduces speckle noise induced by coherent illumination
US7540424B2 (en) * 2000-11-24 2009-06-02 Metrologic Instruments, Inc. Compact bar code symbol reading system employing a complex of coplanar illumination and imaging stations for omni-directional imaging of objects within a 3D imaging volume
US8042740B2 (en) * 2000-11-24 2011-10-25 Metrologic Instruments, Inc. Method of reading bar code symbols on objects at a point-of-sale station by passing said objects through a complex of stationary coplanar illumination and imaging planes projected into a 3D imaging volume
US7464877B2 (en) * 2003-11-13 2008-12-16 Metrologic Instruments, Inc. Digital imaging-based bar code symbol reading system employing image cropping pattern generator and automatic cropped image processor
US7513428B2 (en) * 2001-11-21 2009-04-07 Metrologic Instruments, Inc. Planar laser illumination and imaging device employing laser current modulation to generate spectral components and reduce temporal coherence of laser beam, so as to achieve a reduction in speckle-pattern noise during time-averaged detection of images of objects illuminated thereby during imaging operations
US6880759B2 (en) * 2003-05-23 2005-04-19 Symagery Microsystems Inc. Optical reader station
US7841533B2 (en) 2003-11-13 2010-11-30 Metrologic Instruments, Inc. Method of capturing and processing digital images of an object within the field of view (FOV) of a hand-supportable digitial image capture and processing system
US20050236488A1 (en) * 2004-04-26 2005-10-27 Kricorissian Gregg R Motion induced blur minimization in a portable image reader
US7578444B2 (en) * 2004-10-29 2009-08-25 Symbol Technologies Inc Methods and apparatus for dynamic signal processing
US7568628B2 (en) 2005-03-11 2009-08-04 Hand Held Products, Inc. Bar code reading device with global electronic shutter control
US7770799B2 (en) 2005-06-03 2010-08-10 Hand Held Products, Inc. Optical reader having reduced specular reflection read failures
US7261238B1 (en) * 2006-05-26 2007-08-28 Symbol Technologies, Inc. Method of locating imaged bar codes for an imaging-based bar code reader
US20090001163A1 (en) * 2007-06-27 2009-01-01 Symbol Technologies, Inc. Imaging scanner with illumination and exposure control
US8028917B2 (en) * 2008-12-18 2011-10-04 Symbol Technologies, Inc. Adaptive optimizations for signal processing in imaging readers
US8939374B2 (en) * 2010-12-30 2015-01-27 Hand Held Products, Inc. Terminal having illumination and exposure control
JP6358888B2 (ja) * 2014-07-31 2018-07-18 株式会社キーエンス 光学的情報読取装置、光学的情報読取方法およびプログラム
US9836635B2 (en) 2014-10-09 2017-12-05 Cognex Corporation Systems and methods for tracking optical codes
JP6358057B2 (ja) * 2014-11-25 2018-07-18 株式会社デンソーウェーブ 光学的情報読取装置
US9652653B2 (en) * 2014-12-27 2017-05-16 Hand Held Products, Inc. Acceleration-based motion tolerance and predictive coding
JP6928458B2 (ja) * 2017-02-23 2021-09-01 株式会社キーエンス 光学的情報読取装置
JP6893092B2 (ja) 2017-02-23 2021-06-23 株式会社キーエンス 光学的情報読取装置
GB2574418B (en) * 2018-06-05 2022-08-31 Dyson Technology Ltd A mobile robot and method of controlling a mobile robot illumination system
US11594018B2 (en) 2019-10-03 2023-02-28 United States Postal Service Intelligent item receptacle

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US4205781A (en) * 1975-10-02 1980-06-03 Interroll Fordertechnik Gmbh & Co. K.G. Arrangement for synchronizing an information reading device with the speed of an information medium
DE2544119A1 (de) * 1975-10-02 1977-04-14 Interroll Foerdertechnik Gmbh Anordnung zur synchronisierung einer informations-leseeinrichtung mit der geschwindigkeit eines informationstraegers
JPS54153513A (en) * 1978-05-25 1979-12-03 Ricoh Co Ltd Video information reader
DE3503443A1 (de) * 1984-02-02 1985-08-08 Sharp K.K., Osaka Steuersystem zur bestimmung der kartengeschwindigkeit in einem kartenleser
US4819083A (en) * 1986-01-31 1989-04-04 Konishiroku Photo Industry Co., Ltd. Moving type image recording apparatus
US4949391A (en) * 1986-09-26 1990-08-14 Everex Ti Corporation Adaptive image acquisition system
GB2205672B (en) * 1987-05-05 1992-01-08 Checkmate Electronics Inc Manually operable magnetic character recognition system
US4793812A (en) * 1987-10-05 1988-12-27 Xerox Corporation Hand held optical scanner for omni-font character recognition
US5478997A (en) * 1988-10-21 1995-12-26 Symbol Technologies, Inc. Symbol scanning system and method having adaptive pattern generation
US5327171A (en) * 1992-05-26 1994-07-05 United Parcel Service Of America, Inc. Camera system optics
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JP3495410B2 (ja) * 1994-03-16 2004-02-09 ペンタックス株式会社 データシンボル読み取り装置
JPH096891A (ja) * 1995-06-21 1997-01-10 Asahi Optical Co Ltd データシンボル読み取り装置およびデータシンボル読み取りシステム

Also Published As

Publication number Publication date
FR2735891A1 (fr) 1996-12-27
US5754670A (en) 1998-05-19
DE19624930C2 (de) 2003-07-03
GB2302434B (en) 1998-12-16
DE19624930A1 (de) 1997-01-02
US6128420A (en) 2000-10-03
GB9613057D0 (en) 1996-08-28
JPH096891A (ja) 1997-01-10
GB2302434A (en) 1997-01-15

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