DE69029837T2 - Strichcodeleser - Google Patents

Strichcodeleser

Info

Publication number
DE69029837T2
DE69029837T2 DE69029837T DE69029837T DE69029837T2 DE 69029837 T2 DE69029837 T2 DE 69029837T2 DE 69029837 T DE69029837 T DE 69029837T DE 69029837 T DE69029837 T DE 69029837T DE 69029837 T2 DE69029837 T2 DE 69029837T2
Authority
DE
Germany
Prior art keywords
barcode reader
barcode
reader
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
DE69029837T
Other languages
English (en)
Other versions
DE69029837D1 (de
Inventor
Shinichi Sato
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 DE69029837D1 publication Critical patent/DE69029837D1/de
Publication of DE69029837T2 publication Critical patent/DE69029837T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • 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
    • G06K7/01—Details
    • G06K7/016—Synchronisation of sensing process
    • G06K7/0166—Synchronisation of sensing process by means of clock-signals derived from the code marks, e.g. self-clocking code
DE69029837T 1989-11-07 1990-11-07 Strichcodeleser Expired - Fee Related DE69029837T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1289261A JP2761265B2 (ja) 1989-11-07 1989-11-07 バーコード読取方式

Publications (2)

Publication Number Publication Date
DE69029837D1 DE69029837D1 (de) 1997-03-13
DE69029837T2 true DE69029837T2 (de) 1997-05-15

Family

ID=17740868

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69029837T Expired - Fee Related DE69029837T2 (de) 1989-11-07 1990-11-07 Strichcodeleser

Country Status (5)

Country Link
US (1) US5142130A (de)
EP (1) EP0427528B1 (de)
JP (1) JP2761265B2 (de)
KR (1) KR930006799B1 (de)
DE (1) DE69029837T2 (de)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5210397A (en) * 1990-05-03 1993-05-11 Psc, Inc. Differentiating and integrating circuit for translating bar code signals into corresponding pulses
DE69231012T2 (de) * 1991-02-08 2000-09-28 Fujitsu Ltd Strichkodeleser mit hoher Abtastgeschwindigkeit, der mehr als einen Typ Strichkode lesen kann
US5479586A (en) * 1992-12-28 1995-12-26 Pitney Bowes Inc. Mailing machine including means for selectively changing the marginal distance from the leading edge of an envelope or tape for printing indicia thereon
US5382783A (en) * 1993-05-10 1995-01-17 Psc Inc. False bar code inhibitor circuit
JP2815290B2 (ja) * 1993-08-11 1998-10-27 富士通株式会社 バーコードリーダーにおける二値化装置
US5506411A (en) * 1993-12-29 1996-04-09 Opticon, Inc. Optical reader with improved response to change in reflected signal
US5468946A (en) * 1994-04-29 1995-11-21 Eastman Kodak Company Method and apparatus for decoding multi-level bar codes or bi-level bar codes
US5818024A (en) * 1996-02-05 1998-10-06 Advanced Micro Devices, Inc. Pulse width demodulation device and method
US6305602B1 (en) * 1997-12-01 2001-10-23 Diebold, Incorporated Light monitoring system and method for automated transaction machine
NL1009156C2 (nl) 1998-05-13 1999-11-16 Scantech Bv Optische inrichting voor het uitlezen en decoderen van volgens een barcode aangebrachte en aan elkaar grenzende stroken van verschillende reflectiviteit.
US6533175B1 (en) * 1999-05-28 2003-03-18 Barcode Graphic Inc. Automatic compliance-testing system for desktop designed consumer packaging
JP4356144B2 (ja) * 1999-07-15 2009-11-04 富士通株式会社 二値化回路及びコード読取装置
EP1413971B1 (de) * 2000-02-23 2009-04-08 Datalogic S.P.A. Vorrichtung und Verfahren zum Lesen und Dekodieren optischer Codes mit Anzeige des Resultats
JP2002335292A (ja) * 2001-05-08 2002-11-22 Nec Microsystems Ltd Ｆｓｋ復調方法及びシステム
JP4213490B2 (ja) * 2003-02-21 2009-01-21 富士通株式会社 バーコード読取装置
JP4254724B2 (ja) 2005-02-16 2009-04-15 株式会社デンソーウェーブ バーコード読取り方法及びコンピュータプログラム
JP2010027172A (ja) * 2008-07-23 2010-02-04 Sony Corp 情報処理装置および方法、並びにプログラム

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5342499B2 (de) * 1973-10-09 1978-11-11
US3986000A (en) * 1975-08-01 1976-10-12 Recognition Equipment Incorporated Logarithmically normalized cross-correlation bar-code reader
JPS57136280A (en) * 1981-02-16 1982-08-23 Fujitsu Ltd Bar code reading system
JPS6011973A (ja) * 1983-07-01 1985-01-22 Nec Corp バ−コ−ド読取装置
JPS6168675A (ja) * 1984-09-12 1986-04-09 Tokyo Electric Co Ltd バ−コ−ド読取り装置
US5036183A (en) * 1988-08-25 1991-07-30 Alps Electric Co., Ltd. Code reading device
JPH06168675A (ja) * 1992-11-30 1994-06-14 Hitachi Ltd 偏向ヨーク

Also Published As

Publication number Publication date
JP2761265B2 (ja) 1998-06-04
DE69029837D1 (de) 1997-03-13
KR930006799B1 (ko) 1993-07-23
US5142130A (en) 1992-08-25
EP0427528B1 (de) 1997-01-29
KR910010351A (ko) 1991-06-29
EP0427528A3 (en) 1991-09-04
JPH03149680A (ja) 1991-06-26
EP0427528A2 (de) 1991-05-15

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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