FR590384A - - Google Patents
Info
- Publication number
- FR590384A FR590384A FR590384DA FR590384A FR 590384 A FR590384 A FR 590384A FR 590384D A FR590384D A FR 590384DA FR 590384 A FR590384 A FR 590384A
- Authority
- FR
- France
- 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
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
- 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
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- General Health & Medical Sciences (AREA)
- Business, Economics & Management (AREA)
- Physics & Mathematics (AREA)
- Educational Administration (AREA)
- Educational Technology (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR590384A true FR590384A (xx) | 1925-06-16 |
Family
ID=1540038
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR590384D Expired FR590384A (xx) |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR590384A (xx) |
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0
- FR FR590384D patent/FR590384A/fr not_active Expired