FR1020876A - Cartes ou bandes enregistreuses à marques phosphorescentes - Google Patents

Cartes ou bandes enregistreuses à marques phosphorescentes

Info

Publication number
FR1020876A
FR1020876A FR1020876DA FR1020876A FR 1020876 A FR1020876 A FR 1020876A FR 1020876D A FR1020876D A FR 1020876DA FR 1020876 A FR1020876 A FR 1020876A
Authority
FR
France
Prior art keywords
tapes
cards
phosphorescent
marks
phosphorescent marks
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
Other languages
English (en)
French (fr)
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.)
Compagnie des Machines Bull SA
Original Assignee
Compagnie des Machines Bull 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 Compagnie des Machines Bull SA filed Critical Compagnie des Machines Bull SA
Application granted granted Critical
Publication of FR1020876A publication Critical patent/FR1020876A/fr
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
    • 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
    • G06K19/08—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 using markings of different kinds or more than one marking of the same kind in the same record carrier, e.g. one marking being sensed by optical and the other by magnetic means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V11/00—Screens not covered by groups F21V1/00, F21V3/00, F21V7/00 or F21V9/00
    • 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
    • G06K7/12—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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • General Health & Medical Sciences (AREA)
  • Electromagnetism (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Artificial Intelligence (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • General Engineering & Computer Science (AREA)
  • Credit Cards Or The Like (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
FR1020876D 1937-06-20 1950-06-07 Cartes ou bandes enregistreuses à marques phosphorescentes Expired FR1020876A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1937SC113113 DE686642C (de) 1937-06-20 1937-06-20 Abblendevorrichtung fuer Flach- und Tiefstrahler

Publications (1)

Publication Number Publication Date
FR1020876A true FR1020876A (fr) 1953-02-11

Family

ID=7449784

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1020876D Expired FR1020876A (fr) 1937-06-20 1950-06-07 Cartes ou bandes enregistreuses à marques phosphorescentes

Country Status (5)

Country Link
BE (1) BE503471A (en:Method)
DE (1) DE686642C (en:Method)
FR (1) FR1020876A (en:Method)
GB (1) GB686642A (en:Method)
NL (1) NL157369B (en:Method)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB807343A (en) * 1956-02-06 1959-01-14 Theodorus Reumerman Improvements in and relating to translation of symbols into electric signals
US3057552A (en) * 1958-08-14 1962-10-09 Burroughs Corp Optical apparatus for reading indicia appearing on a record medium
US3176140A (en) * 1959-01-05 1965-03-30 Int Standard Electric Corp Photosensitive document identification apparatus
NL250920A (en:Method) * 1959-03-12
USRE29334E (en) 1971-05-17 1977-08-02 Westinghouse Electric Corporation Phosphor combination and method, particularly adapted for use with explosives, for providing a distinctive information label
US4018635A (en) 1971-05-17 1977-04-19 Westinghouse Electric Corporation Phosphor combination, particularly adapted for use with explosives, for providing a distinctive information label
US4013490A (en) 1973-03-27 1977-03-22 Westinghouse Electric Corporation Phosphor identification method, particularly adapted for use with explosives, for providing a distinctive information label

Also Published As

Publication number Publication date
BE503471A (en:Method)
DE686642C (de) 1940-01-13
GB686642A (en) 1953-01-28
NL157369B (nl)

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