FR1344313A - Dispositif de lecture graphique - Google Patents

Dispositif de lecture graphique

Info

Publication number
FR1344313A
FR1344313A FR909306A FR909306A FR1344313A FR 1344313 A FR1344313 A FR 1344313A FR 909306 A FR909306 A FR 909306A FR 909306 A FR909306 A FR 909306A FR 1344313 A FR1344313 A FR 1344313A
Authority
FR
France
Prior art keywords
reading device
graphic reading
graphic
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
Application number
FR909306A
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.)
GTE Sylvania Inc
Original Assignee
Sylvania Electric Products Inc
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
Priority claimed from US137918A external-priority patent/US3225177A/en
Application filed by Sylvania Electric Products Inc filed Critical Sylvania Electric Products Inc
Priority to FR909306A priority Critical patent/FR1344313A/fr
Application granted granted Critical
Publication of FR1344313A publication Critical patent/FR1344313A/fr
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
    • G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
    • G06K7/12—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation using a selected wavelength, e.g. to sense red marks and ignore blue marks
    • 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
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M175/00—Working-up used lubricants to recover useful products ; Cleaning

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electromagnetism (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • General Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Artificial Intelligence (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
FR909306A 1961-09-13 1962-09-12 Dispositif de lecture graphique Expired FR1344313A (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR909306A FR1344313A (fr) 1961-09-13 1962-09-12 Dispositif de lecture graphique

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US137918A US3225177A (en) 1961-09-13 1961-09-13 Mark sensing
FR909306A FR1344313A (fr) 1961-09-13 1962-09-12 Dispositif de lecture graphique

Publications (1)

Publication Number Publication Date
FR1344313A true FR1344313A (fr) 1963-11-29

Family

ID=26197502

Family Applications (1)

Application Number Title Priority Date Filing Date
FR909306A Expired FR1344313A (fr) 1961-09-13 1962-09-12 Dispositif de lecture graphique

Country Status (1)

Country Link
FR (1) FR1344313A (fr)

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