DE3687859T2 - Verfahren und geraet zum lesen von strichcode. - Google Patents

Verfahren und geraet zum lesen von strichcode.

Info

Publication number
DE3687859T2
DE3687859T2 DE8686107705T DE3687859T DE3687859T2 DE 3687859 T2 DE3687859 T2 DE 3687859T2 DE 8686107705 T DE8686107705 T DE 8686107705T DE 3687859 T DE3687859 T DE 3687859T DE 3687859 T2 DE3687859 T2 DE 3687859T2
Authority
DE
Germany
Prior art keywords
reading barcode
barcode
reading
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
DE8686107705T
Other languages
English (en)
Other versions
DE3687859D1 (de
Inventor
Masataka Ohta
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.)
Sato Corp
Original Assignee
Sato 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 Sato Corp filed Critical Sato Corp
Application granted granted Critical
Publication of DE3687859D1 publication Critical patent/DE3687859D1/de
Publication of DE3687859T2 publication Critical patent/DE3687859T2/de
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
    • G06K7/14—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
    • G06K7/1486—Setting the threshold-width for bar codes to be decoded
    • 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
    • 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
    • G06K7/14—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
DE8686107705T 1985-06-06 1986-06-06 Verfahren und geraet zum lesen von strichcode. Expired - Lifetime DE3687859T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP60121570A JPH0762858B2 (ja) 1985-06-06 1985-06-06 バーコード読取方法および装置

Publications (2)

Publication Number Publication Date
DE3687859D1 DE3687859D1 (de) 1993-04-08
DE3687859T2 true DE3687859T2 (de) 1993-06-17

Family

ID=14814502

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8686107705T Expired - Lifetime DE3687859T2 (de) 1985-06-06 1986-06-06 Verfahren und geraet zum lesen von strichcode.

Country Status (4)

Country Link
US (1) US4687912A (de)
EP (1) EP0204341B1 (de)
JP (1) JPH0762858B2 (de)
DE (1) DE3687859T2 (de)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4782220A (en) * 1986-09-29 1988-11-01 Mars, Incorporated Method and apparatus for bar code data autodiscrimination
US4748330A (en) * 1986-12-22 1988-05-31 Rca Licensing Corporation Method and apparatus for measuring periodic matrix spaces
US4728784A (en) * 1987-01-30 1988-03-01 Federal Express Corporation Apparatus and method of encoding and decoding barcodes
US4879456A (en) * 1987-06-18 1989-11-07 Spectra-Physics, Inc. Method of decoding a binary scan signal
JPH0782519B2 (ja) * 1988-05-18 1995-09-06 アルプス電気株式会社 符号読取装置
GB9012343D0 (en) * 1990-06-02 1990-07-25 Prestek Ltd Bar code reader
GB2246225B (en) * 1990-06-02 1994-04-20 Prestek Ltd Binary bar code reader
US5272322A (en) * 1990-08-21 1993-12-21 Dai Nippon Insatsu Kabushiki Kaisha Identification mark reading apparatus
US5166500A (en) * 1990-08-31 1992-11-24 Goldstar Co., Ltd. Barcode reader decoder system
US5481098A (en) * 1993-11-09 1996-01-02 Spectra-Physics Scanning Systems, Inc. Method and apparatus for reading multiple bar code formats
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
US5455410A (en) * 1994-05-03 1995-10-03 Schneider; Eric D. Filing system scanner and improved bar code
US5537431A (en) * 1994-06-15 1996-07-16 International Business Machines Corporation Method and apparatus for bar code reading and decoding
US5770847A (en) * 1994-12-23 1998-06-23 Spectra-Physics Scanning Systems, Inc. Bar code reader with multi-focus lens
US5814803A (en) * 1994-12-23 1998-09-29 Spectra-Physics Scanning Systems, Inc. Image reader with multi-focus lens
FR2799856B1 (fr) * 1999-10-14 2001-11-23 Commissariat Energie Atomique Procede et dispositif d'identification et de gestion chronologiques a distance d'etiquettes mobiles dans un champ d'interrogation
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
DE102007003180B4 (de) * 2007-01-22 2009-01-08 Heckler & Koch Gmbh Waffe mit Rückstoßdämpfung

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US180152A (en) * 1876-07-25 Improvement in washing-machines
US3838251A (en) * 1971-06-29 1974-09-24 Monarch Marking Systems Inc Method of interpreting a coded record
US3792236A (en) * 1973-03-26 1974-02-12 Monarch Marking Systems Inc Record reading system
US4146046A (en) * 1973-11-16 1979-03-27 Monarch Marking Systems, Inc. Coded record and methods of and apparatus for encoding and decoding records
JPS5336429A (en) * 1976-09-16 1978-04-04 Matsushita Electric Ind Co Ltd Bar code decision circuit
JPS53124923A (en) * 1977-04-06 1978-10-31 Shinko Electric Co Ltd Method of reading bar code
JPS5452420A (en) * 1977-10-03 1979-04-25 Sharp Corp Discriminator for bar code
JPS5588171A (en) * 1978-12-27 1980-07-03 Toshiba Corp Bar-code reader
US4411016A (en) * 1981-06-01 1983-10-18 Recognition Equipment Incorporated Barcode width measurement system

Also Published As

Publication number Publication date
US4687912A (en) 1987-08-18
EP0204341A3 (en) 1989-03-29
JPS6290776A (ja) 1987-04-25
EP0204341B1 (de) 1993-03-03
EP0204341A2 (de) 1986-12-10
JPH0762858B2 (ja) 1995-07-05
DE3687859D1 (de) 1993-04-08

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition