SE7500559L - - Google Patents
Info
- Publication number
- SE7500559L SE7500559L SE7500559A SE7500559A SE7500559L SE 7500559 L SE7500559 L SE 7500559L SE 7500559 A SE7500559 A SE 7500559A SE 7500559 A SE7500559 A SE 7500559A SE 7500559 L SE7500559 L SE 7500559L
- Authority
- SE
- Sweden
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
- G09B5/06—Electrically-operated educational appliances with both visual and audible presentation of the material to be studied
- G09B5/067—Combinations of audio and projected visual presentation, e.g. film, slides
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Business, Economics & Management (AREA)
- Physics & Mathematics (AREA)
- Educational Administration (AREA)
- Educational Technology (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Electrically Operated Instructional Devices (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB267674 | 1974-01-21 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| SE7500559L true SE7500559L (pm) | 1975-07-22 |
| SE410243B SE410243B (sv) | 1979-10-01 |
Family
ID=9743810
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE7500559A SE410243B (sv) | 1974-01-21 | 1975-01-20 | Sett for registrering och atervinning av en visuell markering som kan samverka med en audiovisuell presentationsutrustning |
Country Status (3)
| Country | Link |
|---|---|
| DE (1) | DE2502299A1 (pm) |
| DK (1) | DK11275A (pm) |
| SE (1) | SE410243B (pm) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19808585A1 (de) * | 1998-02-28 | 1999-09-02 | Hoermansdoerfer | Verfahren und Vorrichtung für die Zurverfügungstellung von Informationen für Vortragende |
-
1975
- 1975-01-17 DK DK11275*#A patent/DK11275A/da not_active Application Discontinuation
- 1975-01-20 SE SE7500559A patent/SE410243B/xx unknown
- 1975-01-21 DE DE19752502299 patent/DE2502299A1/de active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| SE410243B (sv) | 1979-10-01 |
| DK11275A (pm) | 1975-09-22 |
| DE2502299A1 (de) | 1975-07-24 |