BE499727A - - Google Patents
Info
- Publication number
- BE499727A BE499727A BE499727DA BE499727A BE 499727 A BE499727 A BE 499727A BE 499727D A BE499727D A BE 499727DA BE 499727 A BE499727 A BE 499727A
- Authority
- BE
- Belgium
- Prior art keywords
- elements
- strips
- teaching device
- materializing
- centimeters
- Prior art date
Links
- 238000004049 embossing Methods 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 4
- 239000000126 substance Substances 0.000 claims description 2
- 238000000354 decomposition reaction Methods 0.000 description 3
- 210000001747 pupil Anatomy 0.000 description 2
- 238000004026 adhesive bonding Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000926 separation method 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
- 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
-
- 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
- G09B21/00—Teaching, or communicating with, the blind, deaf or mute
- G09B21/001—Teaching or communicating with blind persons
- G09B21/003—Teaching or communicating with blind persons using tactile presentation of the information, e.g. Braille displays
Landscapes
- General Physics & Mathematics (AREA)
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Computational Mathematics (AREA)
- Mathematical Analysis (AREA)
- Pure & Applied Mathematics (AREA)
- Mathematical Optimization (AREA)
- Educational Technology (AREA)
- Business, Economics & Management (AREA)
- Theoretical Computer Science (AREA)
- Educational Administration (AREA)
- Mathematical Physics (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Health & Medical Sciences (AREA)
- Geometry (AREA)
- General Health & Medical Sciences (AREA)
- Algebra (AREA)
- Length-Measuring Instruments Using Mechanical Means (AREA)
- Portable Nailing Machines And Staplers (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE499727A true BE499727A (show.php) |
Family
ID=142046
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE499727D BE499727A (show.php) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE499727A (show.php) |
-
0
- BE BE499727D patent/BE499727A/fr unknown
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