GB2000346B - Bar code reader - Google Patents

Bar code reader

Info

Publication number
GB2000346B
GB2000346B GB7827334A GB7827334A GB2000346B GB 2000346 B GB2000346 B GB 2000346B GB 7827334 A GB7827334 A GB 7827334A GB 7827334 A GB7827334 A GB 7827334A GB 2000346 B GB2000346 B GB 2000346B
Authority
GB
United Kingdom
Prior art keywords
bar code
code reader
reader
bar
code
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
Application number
GB7827334A
Other versions
GB2000346A (en
Inventor
Bruce A Brady
Thomas R Wells
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.)
Bell and Howell Co
Original Assignee
Bell and Howell Co
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 Bell and Howell Co filed Critical Bell and Howell Co
Publication of GB2000346A publication Critical patent/GB2000346A/en
Application granted granted Critical
Publication of GB2000346B publication Critical patent/GB2000346B/en
Expired 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
    • G06K7/01—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
    • G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
    • G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
    • G06K19/06009—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code with optically detectable marking
    • G06K19/06018—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code with optically detectable marking one-dimensional coding
    • G06K19/06028—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code with optically detectable marking one-dimensional coding using bar codes

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Artificial Intelligence (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Control Of Position, Course, Altitude, Or Attitude Of Moving Bodies (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • Control Of Conveyors (AREA)
GB7827334A 1977-06-20 1978-06-20 Bar code reader Expired GB2000346B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US80820577A 1977-06-20 1977-06-20

Publications (2)

Publication Number Publication Date
GB2000346A GB2000346A (en) 1979-01-04
GB2000346B true GB2000346B (en) 1982-08-11

Family

ID=25198164

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7827334A Expired GB2000346B (en) 1977-06-20 1978-06-20 Bar code reader

Country Status (1)

Country Link
GB (1) GB2000346B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4751375A (en) * 1986-04-11 1988-06-14 Ampex Corporation Method and apparatus for reading bar code under rapidly changing scanning speed conditions

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1397995A (en) * 1971-12-13 1975-06-18 Bendix Corp System for processing coded pulse data
GB1413534A (en) * 1971-11-16 1975-11-12 Monarch Marking Systems Inc Coded record method of encoding and method of and system for interpreting the record
GB1427811A (en) * 1972-04-12 1976-03-10 Monarch Marking Systems Inc Method of and apparattus for interpreting a coded record
GB1447127A (en) * 1973-12-26 1976-08-25 Ibm Apparatus for recovering data from a double frequency encoded signal train
GB1502108A (en) * 1974-07-01 1978-02-22 Ibm Signal analyser

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1413534A (en) * 1971-11-16 1975-11-12 Monarch Marking Systems Inc Coded record method of encoding and method of and system for interpreting the record
GB1397995A (en) * 1971-12-13 1975-06-18 Bendix Corp System for processing coded pulse data
GB1427811A (en) * 1972-04-12 1976-03-10 Monarch Marking Systems Inc Method of and apparattus for interpreting a coded record
GB1447127A (en) * 1973-12-26 1976-08-25 Ibm Apparatus for recovering data from a double frequency encoded signal train
GB1502108A (en) * 1974-07-01 1978-02-22 Ibm Signal analyser

Also Published As

Publication number Publication date
GB2000346A (en) 1979-01-04

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee