FR1384891A - Improvements made to direct teaching devices - Google Patents

Improvements made to direct teaching devices

Info

Publication number
FR1384891A
FR1384891A FR956191A FR956191A FR1384891A FR 1384891 A FR1384891 A FR 1384891A FR 956191 A FR956191 A FR 956191A FR 956191 A FR956191 A FR 956191A FR 1384891 A FR1384891 A FR 1384891A
Authority
FR
France
Prior art keywords
improvements made
direct teaching
teaching devices
devices
direct
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
FR956191A
Other languages
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.)
International Business Machines Corp
Original Assignee
International Business Machines 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
Priority claimed from US244047A external-priority patent/US3151403A/en
Application filed by International Business Machines Corp filed Critical International Business Machines Corp
Priority to FR956191A priority Critical patent/FR1384891A/en
Application granted granted Critical
Publication of FR1384891A publication Critical patent/FR1384891A/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
    • G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
    • G06K19/04—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the shape

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
FR956191A 1962-12-12 1963-12-05 Improvements made to direct teaching devices Expired FR1384891A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR956191A FR1384891A (en) 1962-12-12 1963-12-05 Improvements made to direct teaching devices

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US244047A US3151403A (en) 1962-12-12 1962-12-12 Self-teaching device
FR956191A FR1384891A (en) 1962-12-12 1963-12-05 Improvements made to direct teaching devices

Publications (1)

Publication Number Publication Date
FR1384891A true FR1384891A (en) 1965-01-08

Family

ID=26204727

Family Applications (1)

Application Number Title Priority Date Filing Date
FR956191A Expired FR1384891A (en) 1962-12-12 1963-12-05 Improvements made to direct teaching devices

Country Status (1)

Country Link
FR (1) FR1384891A (en)

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