CS156685B1 - - Google Patents

Info

Publication number
CS156685B1
CS156685B1 CS166972A CS166972A CS156685B1 CS 156685 B1 CS156685 B1 CS 156685B1 CS 166972 A CS166972 A CS 166972A CS 166972 A CS166972 A CS 166972A CS 156685 B1 CS156685 B1 CS 156685B1
Authority
CS
Czechoslovakia
Application number
CS166972A
Other languages
Czech (cs)
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 filed Critical
Priority to CS166972A priority Critical patent/CS156685B1/cs
Priority to DE19732310521 priority patent/DE2310521A1/en
Publication of CS156685B1 publication Critical patent/CS156685B1/cs

Links

Classifications

    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
    • G09B5/00—Electrically-operated educational appliances
    • G09B5/08—Electrically-operated educational appliances providing for individual presentation of information to a plurality of student stations
    • G09B5/10—Electrically-operated educational appliances providing for individual presentation of information to a plurality of student stations all student stations being capable of presenting the same information simultaneously

Landscapes

  • Engineering & Computer Science (AREA)
  • Business, Economics & Management (AREA)
  • Physics & Mathematics (AREA)
  • Educational Administration (AREA)
  • Educational Technology (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Electrically Operated Instructional Devices (AREA)
CS166972A 1972-03-13 1972-03-13 CS156685B1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CS166972A CS156685B1 (en) 1972-03-13 1972-03-13
DE19732310521 DE2310521A1 (en) 1972-03-13 1973-03-02 CIRCUIT OF A CONTROL SYSTEM FOR GROUP LESSONS

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CS166972A CS156685B1 (en) 1972-03-13 1972-03-13

Publications (1)

Publication Number Publication Date
CS156685B1 true CS156685B1 (en) 1974-08-23

Family

ID=5351628

Family Applications (1)

Application Number Title Priority Date Filing Date
CS166972A CS156685B1 (en) 1972-03-13 1972-03-13

Country Status (2)

Country Link
CS (1) CS156685B1 (en)
DE (1) DE2310521A1 (en)

Also Published As

Publication number Publication date
DE2310521A1 (en) 1973-09-27

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