GB1372633A - System for identifying distant objects carrying coded information - Google Patents

System for identifying distant objects carrying coded information

Info

Publication number
GB1372633A
GB1372633A GB818172A GB818172A GB1372633A GB 1372633 A GB1372633 A GB 1372633A GB 818172 A GB818172 A GB 818172A GB 818172 A GB818172 A GB 818172A GB 1372633 A GB1372633 A GB 1372633A
Authority
GB
United Kingdom
Prior art keywords
signal
pulses
fed
noise
decoder
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
GB818172A
Other languages
English (en)
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.)
Thales SA
Original Assignee
Thomson CSF SA
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 Thomson CSF SA filed Critical Thomson CSF SA
Publication of GB1372633A publication Critical patent/GB1372633A/en
Expired 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
    • G06K7/10861—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 of data fields affixed to objects or articles, e.g. coded labels
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L25/00—Recording or indicating positions or identities of vehicles or trains or setting of track apparatus
    • B61L25/02—Indicating or recording positions or identities of vehicles or trains
    • B61L25/04—Indicating or recording train identities
    • B61L25/041—Indicating or recording train identities using reflecting tags
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G47/00—Article or material-handling devices associated with conveyors; Methods employing such devices
    • B65G47/34—Devices for discharging articles or materials from conveyor 
    • B65G47/46—Devices for discharging articles or materials from conveyor  and distributing, e.g. automatically, to desired points
    • B65G47/48—Devices for discharging articles or materials from conveyor  and distributing, e.g. automatically, to desired points according to bodily destination marks on either articles or load-carriers
    • B65G47/49—Devices for discharging articles or materials from conveyor  and distributing, e.g. automatically, to desired points according to bodily destination marks on either articles or load-carriers without bodily contact between article or load carrier and automatic control device, e.g. the destination marks being electrically or electronically detected
    • B65G47/493—Devices for discharging articles or materials from conveyor  and distributing, e.g. automatically, to desired points according to bodily destination marks on either articles or load-carriers without bodily contact between article or load carrier and automatic control device, e.g. the destination marks being electrically or electronically detected by use of light responsive means

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Electromagnetism (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)
  • Optical Radar Systems And Details Thereof (AREA)
GB818172A 1971-02-23 1972-02-22 System for identifying distant objects carrying coded information Expired GB1372633A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7106091A FR2127096A5 (enrdf_load_stackoverflow) 1971-02-23 1971-02-23

Publications (1)

Publication Number Publication Date
GB1372633A true GB1372633A (en) 1974-11-06

Family

ID=9072336

Family Applications (1)

Application Number Title Priority Date Filing Date
GB818172A Expired GB1372633A (en) 1971-02-23 1972-02-22 System for identifying distant objects carrying coded information

Country Status (6)

Country Link
BE (1) BE779646A (enrdf_load_stackoverflow)
CH (1) CH554022A (enrdf_load_stackoverflow)
FR (1) FR2127096A5 (enrdf_load_stackoverflow)
GB (1) GB1372633A (enrdf_load_stackoverflow)
IT (1) IT948686B (enrdf_load_stackoverflow)
NL (1) NL174921C (enrdf_load_stackoverflow)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4303855A (en) 1978-12-20 1981-12-01 International Business Machines Corporation System for separating an optical signal from ambient light
US4926031A (en) * 1978-07-06 1990-05-15 Gao Gesellschaft Fur Automation Und Organisation Mbh Token such as credit or identification card and an apparatus for testing the token or card
AU633599B2 (en) * 1989-08-03 1993-02-04 Minnesota Mining And Manufacturing Company Retroreflective vehicle identification articles having improved machine legibility

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2756632A1 (de) * 1977-12-19 1979-06-28 Licentia Gmbh Vorrichtung zur faelschungssicheren kennzeichnung von gegenstaenden
DE3279976D1 (en) * 1981-03-30 1989-11-16 Minnesota Mining & Mfg Method and apparatus for sensing and identifying information within a large interrogation zone
FR2594982A1 (fr) * 1986-02-21 1987-08-28 Eram Sarl Manuf Fse Chaussures Mode de realisation de codes a lecture optique, procede de lecture desdits codes et installation pour la mise en oeuvre du procede
FR2656446A1 (fr) * 1989-12-21 1991-06-28 Sansen Hugues Dispositif de support d'informations pour systemes de lecture a distance a reconnaissance artificielle de caracteres.

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4926031A (en) * 1978-07-06 1990-05-15 Gao Gesellschaft Fur Automation Und Organisation Mbh Token such as credit or identification card and an apparatus for testing the token or card
US4982073A (en) * 1978-07-06 1991-01-01 Gao Gesellschaft Fur Automation Und Organisation Mbh Token such as a credit or identification card and an apparatus for testing the token or card
US4303855A (en) 1978-12-20 1981-12-01 International Business Machines Corporation System for separating an optical signal from ambient light
AU633599B2 (en) * 1989-08-03 1993-02-04 Minnesota Mining And Manufacturing Company Retroreflective vehicle identification articles having improved machine legibility

Also Published As

Publication number Publication date
FR2127096A5 (enrdf_load_stackoverflow) 1972-10-13
DE2208606B2 (de) 1974-06-12
NL174921B (nl) 1984-04-02
DE2208606A1 (de) 1972-09-07
NL174921C (nl) 1984-09-03
CH554022A (fr) 1974-09-13
BE779646A (fr) 1972-06-16
NL7202296A (enrdf_load_stackoverflow) 1972-08-25
IT948686B (it) 1973-06-11

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Legal Events

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