FR2387478A1 - Procede et appareil permettant la lecture et le decodage d'un code de barres rectilignes a forte densite - Google Patents

Procede et appareil permettant la lecture et le decodage d'un code de barres rectilignes a forte densite

Info

Publication number
FR2387478A1
FR2387478A1 FR7810765A FR7810765A FR2387478A1 FR 2387478 A1 FR2387478 A1 FR 2387478A1 FR 7810765 A FR7810765 A FR 7810765A FR 7810765 A FR7810765 A FR 7810765A FR 2387478 A1 FR2387478 A1 FR 2387478A1
Authority
FR
France
Prior art keywords
decoding
bar code
reading
ratios
line bar
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.)
Granted
Application number
FR7810765A
Other languages
English (en)
French (fr)
Other versions
FR2387478B1 (enExample
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.)
MSI Data Corp
Original Assignee
MSI Data 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 MSI Data Corp filed Critical MSI Data Corp
Publication of FR2387478A1 publication Critical patent/FR2387478A1/fr
Application granted granted Critical
Publication of FR2387478B1 publication Critical patent/FR2387478B1/fr
Granted 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
    • G06K7/10881—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 constructional details of hand-held scanners
    • 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
    • G06K7/01—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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Artificial Intelligence (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Electromagnetism (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Character Discrimination (AREA)
  • Printers Characterized By Their Purpose (AREA)
FR7810765A 1977-04-15 1978-04-12 Procede et appareil permettant la lecture et le decodage d'un code de barres rectilignes a forte densite Granted FR2387478A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US78785577A 1977-04-15 1977-04-15

Publications (2)

Publication Number Publication Date
FR2387478A1 true FR2387478A1 (fr) 1978-11-10
FR2387478B1 FR2387478B1 (enExample) 1984-05-25

Family

ID=25142714

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7810765A Granted FR2387478A1 (fr) 1977-04-15 1978-04-12 Procede et appareil permettant la lecture et le decodage d'un code de barres rectilignes a forte densite

Country Status (7)

Country Link
JP (1) JPS53129535A (enExample)
BE (1) BE866018A (enExample)
CA (1) CA1110362A (enExample)
DE (1) DE2811701C2 (enExample)
FR (1) FR2387478A1 (enExample)
GB (1) GB1604063A (enExample)
NL (1) NL182105C (enExample)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0043124A3 (en) * 1980-06-26 1982-01-13 E.I. Du Pont De Nemours And Company Method for decoding bar-coded labels
EP0066680A1 (en) * 1981-05-18 1982-12-15 International Business Machines Corporation Systematic error correction in bar code scanner
EP0029456A4 (en) * 1979-05-30 1983-08-24 Ncr Corp SCAN SYSTEM WITH WINDING SLOT.
EP0067414A3 (en) * 1981-06-11 1985-12-04 Nippondenso Co., Ltd. Method and apparatus for reading a bar code
EP0072910A3 (en) * 1981-08-20 1986-02-05 International Business Machines Corporation Decoding method for multicharacter labels

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4272675A (en) * 1979-05-30 1981-06-09 Ncr Corporation Symbol processing system
JPS61152149U (enExample) * 1986-02-27 1986-09-20
JP2718442B2 (ja) * 1993-12-20 1998-02-25 富士通株式会社 バーコード復調方法及び装置

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3784792A (en) * 1972-03-29 1974-01-08 Monarch Marking Systems Inc Coded record and methods of and apparatus for encoding and decoding records
US3854036A (en) * 1974-02-27 1974-12-10 Singer Co Tag reader to digital processor interface circuit
US3887792A (en) * 1973-12-04 1975-06-03 Scope Inc Method and device for reading and decoding a delta-distance code
US3909787A (en) * 1974-07-01 1975-09-30 Ibm Candidate selection processor
US3916154A (en) * 1975-01-06 1975-10-28 Singer Co Method and circuitry for decoding a high density bar code

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2310412C3 (de) * 1973-03-02 1979-04-12 Erwin Sick Gmbh Optik-Elektronik, 7808 Waldkirch Verfahren zum Lesen von Codes und Vorrichtungen zur Durchführung des Verfahrens
US4058708A (en) * 1975-12-05 1977-11-15 Msi Data Corporation Bar code reader and decoder

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3784792A (en) * 1972-03-29 1974-01-08 Monarch Marking Systems Inc Coded record and methods of and apparatus for encoding and decoding records
US3887792A (en) * 1973-12-04 1975-06-03 Scope Inc Method and device for reading and decoding a delta-distance code
US3854036A (en) * 1974-02-27 1974-12-10 Singer Co Tag reader to digital processor interface circuit
US3909787A (en) * 1974-07-01 1975-09-30 Ibm Candidate selection processor
US3916154A (en) * 1975-01-06 1975-10-28 Singer Co Method and circuitry for decoding a high density bar code

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
EXBK/74 *

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0029456A4 (en) * 1979-05-30 1983-08-24 Ncr Corp SCAN SYSTEM WITH WINDING SLOT.
EP0043124A3 (en) * 1980-06-26 1982-01-13 E.I. Du Pont De Nemours And Company Method for decoding bar-coded labels
EP0066680A1 (en) * 1981-05-18 1982-12-15 International Business Machines Corporation Systematic error correction in bar code scanner
EP0067414A3 (en) * 1981-06-11 1985-12-04 Nippondenso Co., Ltd. Method and apparatus for reading a bar code
EP0072910A3 (en) * 1981-08-20 1986-02-05 International Business Machines Corporation Decoding method for multicharacter labels

Also Published As

Publication number Publication date
BE866018A (fr) 1978-07-31
CA1110362A (en) 1981-10-06
NL7803679A (nl) 1978-10-17
NL182105B (nl) 1987-08-03
GB1604063A (en) 1981-12-02
DE2811701A1 (de) 1978-10-19
NL182105C (nl) 1991-05-16
DE2811701C2 (de) 1983-10-06
JPS6242316B2 (enExample) 1987-09-08
FR2387478B1 (enExample) 1984-05-25
JPS53129535A (en) 1978-11-11

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