FR2157360A5 - - Google Patents
Info
- Publication number
- FR2157360A5 FR2157360A5 FR7235420A FR7235420A FR2157360A5 FR 2157360 A5 FR2157360 A5 FR 2157360A5 FR 7235420 A FR7235420 A FR 7235420A FR 7235420 A FR7235420 A FR 7235420A FR 2157360 A5 FR2157360 A5 FR 2157360A5
- 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
- G09B7/00—Electrically-operated teaching apparatus or devices working with questions and answers
- G09B7/06—Electrically-operated teaching apparatus or devices working with questions and answers of the multiple-choice answer-type, i.e. where a given question is provided with a series of answers and a choice has to be made from the answers
Landscapes
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Business, Economics & Management (AREA)
- Physics & Mathematics (AREA)
- Educational Administration (AREA)
- Educational Technology (AREA)
- General Physics & Mathematics (AREA)
- Electrically Operated Instructional Devices (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| BE774066A BE774066A (fr) | 1971-10-18 | 1971-10-18 | Dispositif de commutation et bandes appropriees pour magnetophones a pistes multiples pour usages didactiques par questions et reponses. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR2157360A5 true FR2157360A5 (sr) | 1973-06-01 |
Family
ID=3858763
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7235420A Expired FR2157360A5 (sr) | 1971-10-18 | 1972-10-05 |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE774066A (sr) |
| DE (1) | DE2250662A1 (sr) |
| FR (1) | FR2157360A5 (sr) |
-
1971
- 1971-10-18 BE BE774066A patent/BE774066A/xx unknown
-
1972
- 1972-10-05 FR FR7235420A patent/FR2157360A5/fr not_active Expired
- 1972-10-16 DE DE19722250662 patent/DE2250662A1/de active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| BE774066A (fr) | 1972-02-14 |
| DE2250662A1 (de) | 1973-04-26 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |