DK149187D0 - VISUAL AID FOR EDUCATIONAL USE, ISSUES FOR DEMONSTRATION BY SPACE GEOMETRY - Google Patents

VISUAL AID FOR EDUCATIONAL USE, ISSUES FOR DEMONSTRATION BY SPACE GEOMETRY

Info

Publication number
DK149187D0
DK149187D0 DK149187A DK149187A DK149187D0 DK 149187 D0 DK149187 D0 DK 149187D0 DK 149187 A DK149187 A DK 149187A DK 149187 A DK149187 A DK 149187A DK 149187 D0 DK149187 D0 DK 149187D0
Authority
DK
Denmark
Prior art keywords
demonstration
issues
visual aid
space geometry
educational use
Prior art date
Application number
DK149187A
Other languages
Danish (da)
Other versions
DK149187A (en
Inventor
Istvan Lenart
Original Assignee
Orszagos Tanszergyarto Ertekes
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 Orszagos Tanszergyarto Ertekes filed Critical Orszagos Tanszergyarto Ertekes
Publication of DK149187A publication Critical patent/DK149187A/en
Publication of DK149187D0 publication Critical patent/DK149187D0/en

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
    • G09B27/00—Planetaria; Globes
    • G09B27/08—Globes
    • 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
    • G09B23/00—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes
    • G09B23/02—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for mathematics
    • G09B23/04—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for mathematics for geometry, trigonometry, projection or perspective

Landscapes

  • General Physics & Mathematics (AREA)
  • Physics & Mathematics (AREA)
  • Computational Mathematics (AREA)
  • Mathematical Analysis (AREA)
  • Engineering & Computer Science (AREA)
  • Pure & Applied Mathematics (AREA)
  • Mathematical Optimization (AREA)
  • Mathematical Physics (AREA)
  • Educational Technology (AREA)
  • Theoretical Computer Science (AREA)
  • Business, Economics & Management (AREA)
  • Educational Administration (AREA)
  • Geometry (AREA)
  • Algebra (AREA)
  • Astronomy & Astrophysics (AREA)
  • Drawing Aids And Blackboards (AREA)
  • Toys (AREA)
DK149187A 1985-07-25 1987-03-24 VISUAL AID FOR EDUCATIONAL USE, ISSUES FOR DEMONSTRATION BY SPACE GEOMETRY DK149187D0 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
HU852826A HU192681B (en) 1985-07-25 1985-07-25 Object-teaching instrument first of all for making solid geometric ideas known
PCT/HU1986/000042 WO1987000668A1 (en) 1985-07-25 1986-07-15 Educational visual aid particularly for demonstration in solid geometry

Publications (2)

Publication Number Publication Date
DK149187A DK149187A (en) 1987-03-24
DK149187D0 true DK149187D0 (en) 1987-03-24

Family

ID=10961272

Family Applications (1)

Application Number Title Priority Date Filing Date
DK149187A DK149187D0 (en) 1985-07-25 1987-03-24 VISUAL AID FOR EDUCATIONAL USE, ISSUES FOR DEMONSTRATION BY SPACE GEOMETRY

Country Status (11)

Country Link
EP (1) EP0267911A1 (en)
JP (1) JPS63501175A (en)
KR (1) KR880700376A (en)
AU (1) AU6139586A (en)
DD (1) DD255022A5 (en)
DK (1) DK149187D0 (en)
ES (1) ES2000761A6 (en)
HU (1) HU192681B (en)
IL (1) IL79441A (en)
IN (1) IN163289B (en)
WO (1) WO1987000668A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108731910B (en) * 2018-01-20 2020-10-27 中国科学院深海科学与工程研究所 Tracer ball for solid-liquid two-phase flow test research

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE925433C (en) * 1952-07-03 1955-07-18 Friedrich V Frhr Buddenbrock Dismountable teaching model of a spherical body
DE2228170A1 (en) * 1972-06-09 1974-01-03 Irving J Starworth GLOBE MADE FROM SECTIONS OF BALL SHELLS
SU734799A1 (en) * 1975-05-16 1980-05-15 Войсковая часть 60130 Globe

Also Published As

Publication number Publication date
AU6139586A (en) 1987-02-10
DK149187A (en) 1987-03-24
EP0267911A1 (en) 1988-05-25
HU192681B (en) 1987-06-29
IL79441A (en) 1990-04-29
IN163289B (en) 1988-09-03
WO1987000668A1 (en) 1987-01-29
DD255022A5 (en) 1988-03-16
JPS63501175A (en) 1988-04-28
IL79441A0 (en) 1986-10-31
ES2000761A6 (en) 1988-03-16
KR880700376A (en) 1988-03-15

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Legal Events

Date Code Title Description
A0 Application filed
AHB Application shelved due to non-payment