NL7201847A - - Google Patents
Info
- Publication number
- NL7201847A NL7201847A NL7201847A NL7201847A NL7201847A NL 7201847 A NL7201847 A NL 7201847A NL 7201847 A NL7201847 A NL 7201847A NL 7201847 A NL7201847 A NL 7201847A NL 7201847 A NL7201847 A NL 7201847A
- Authority
- NL
- Netherlands
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
- G09B5/12—Electrically-operated educational appliances providing for individual presentation of information to a plurality of student stations different stations being capable of presenting different information simultaneously
-
- 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
- G09B19/00—Teaching not covered by other main groups of this subclass
- G09B19/06—Foreign languages
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)
- Entrepreneurship & Innovation (AREA)
- Electrically Operated Instructional Devices (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19712108582 DE2108582C3 (de) | 1971-02-23 | Lehranlage, insbesondere Sprachlehranlage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL7201847A true NL7201847A (OSRAM) | 1972-08-25 |
Family
ID=5799588
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL7201847A NL7201847A (OSRAM) | 1971-02-23 | 1972-02-11 |
Country Status (3)
| Country | Link |
|---|---|
| CH (1) | CH529404A (OSRAM) |
| FR (1) | FR2127645A5 (OSRAM) |
| NL (1) | NL7201847A (OSRAM) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2504295B1 (fr) * | 1981-04-15 | 1985-07-26 | Optique Electro Electromeca | Systeme d'intercommunication bi-directionnel, notamment pour l'enseignement des langues, et procede s'y rapportant |
| FR2673024B1 (fr) * | 1991-01-29 | 1994-11-18 | Sonodac | Dispositif formant laboratoire de langues portable. |
-
1972
- 1972-01-26 CH CH117172A patent/CH529404A/de not_active IP Right Cessation
- 1972-02-11 NL NL7201847A patent/NL7201847A/xx unknown
- 1972-02-18 FR FR7205490A patent/FR2127645A5/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE2108582B2 (de) | 1976-11-25 |
| FR2127645A5 (OSRAM) | 1972-10-13 |
| CH529404A (de) | 1972-10-15 |
| DE2108582A1 (de) | 1972-09-07 |