DD255022A5 - Unterrichtssehhilfe, besonders fuer die demonstration von geometrie - Google Patents
Unterrichtssehhilfe, besonders fuer die demonstration von geometrie Download PDFInfo
- Publication number
- DD255022A5 DD255022A5 DD86292756A DD29275686A DD255022A5 DD 255022 A5 DD255022 A5 DD 255022A5 DD 86292756 A DD86292756 A DD 86292756A DD 29275686 A DD29275686 A DD 29275686A DD 255022 A5 DD255022 A5 DD 255022A5
- Authority
- DD
- German Democratic Republic
- Prior art keywords
- ball
- ring
- saddle
- ruler
- curved ruler
- Prior art date
Links
- 239000000463 material Substances 0.000 claims abstract description 11
- 238000000034 method Methods 0.000 claims description 2
- MEKOFIRRDATTAG-UHFFFAOYSA-N 2,2,5,8-tetramethyl-3,4-dihydrochromen-6-ol Chemical compound C1CC(C)(C)OC2=C1C(C)=C(O)C=C2C MEKOFIRRDATTAG-UHFFFAOYSA-N 0.000 abstract 1
- 229920003023 plastic Polymers 0.000 description 4
- 150000001875 compounds Chemical class 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 239000012459 cleaning agent Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000008447 perception Effects 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000002050 diffraction method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 238000002372 labelling Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000003550 marker Substances 0.000 description 1
- 238000009877 rendering Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
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)
- Instructional Devices (AREA)
Applications Claiming Priority (1)
| 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 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DD255022A5 true DD255022A5 (de) | 1988-03-16 |
Family
ID=10961272
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DD86292756A DD255022A5 (de) | 1985-07-25 | 1986-07-22 | Unterrichtssehhilfe, besonders fuer die demonstration von geometrie |
Country Status (11)
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108731910B (zh) * | 2018-01-20 | 2020-10-27 | 中国科学院深海科学与工程研究所 | 用于固液两相流动试验研究的示踪小球 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE925433C (de) * | 1952-07-03 | 1955-07-18 | Friedrich V Frhr Buddenbrock | Zerlegbares Lehrmodell eines sphaerischen Koerpers |
| DE2228170A1 (de) * | 1972-06-09 | 1974-01-03 | Irving J Starworth | Aus kugelschalenabschnitten hergestellter globus |
| SU734799A1 (ru) * | 1975-05-16 | 1980-05-15 | Войсковая часть 60130 | Глобус |
-
1985
- 1985-07-25 HU HU852826A patent/HU192681B/hu not_active IP Right Cessation
-
1986
- 1986-07-15 WO PCT/HU1986/000042 patent/WO1987000668A1/en not_active Application Discontinuation
- 1986-07-15 AU AU61395/86A patent/AU6139586A/en not_active Abandoned
- 1986-07-15 EP EP86904335A patent/EP0267911A1/en not_active Withdrawn
- 1986-07-15 JP JP61504003A patent/JPS63501175A/ja active Pending
- 1986-07-17 IL IL79441A patent/IL79441A/xx unknown
- 1986-07-18 IN IN540/CAL/86A patent/IN163289B/en unknown
- 1986-07-22 DD DD86292756A patent/DD255022A5/de unknown
- 1986-07-24 ES ES8600614A patent/ES2000761A6/es not_active Expired
-
1987
- 1987-03-24 DK DK149187A patent/DK149187A/da not_active Application Discontinuation
- 1987-03-25 KR KR870700268A patent/KR880700376A/ko not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| DK149187D0 (da) | 1987-03-24 |
| KR880700376A (ko) | 1988-03-15 |
| IL79441A (en) | 1990-04-29 |
| DK149187A (da) | 1987-03-24 |
| HU192681B (en) | 1987-06-29 |
| EP0267911A1 (en) | 1988-05-25 |
| AU6139586A (en) | 1987-02-10 |
| IL79441A0 (en) | 1986-10-31 |
| ES2000761A6 (es) | 1988-03-16 |
| IN163289B (enrdf_load_stackoverflow) | 1988-09-03 |
| JPS63501175A (ja) | 1988-04-28 |
| WO1987000668A1 (en) | 1987-01-29 |
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