CH480699A - Teaching device - Google Patents
Teaching deviceInfo
- Publication number
- CH480699A CH480699A CH438868A CH438868A CH480699A CH 480699 A CH480699 A CH 480699A CH 438868 A CH438868 A CH 438868A CH 438868 A CH438868 A CH 438868A CH 480699 A CH480699 A CH 480699A
- Authority
- CH
- Switzerland
- Prior art keywords
- teaching device
- teaching
- Prior art date
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)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH438868A CH480699A (en) | 1968-03-25 | 1968-03-25 | Teaching device |
DE19686812106 DE6812106U (en) | 1968-03-25 | 1968-12-18 | TEACHING EQUIPMENT. |
DE19681815562 DE1815562A1 (en) | 1968-03-25 | 1968-12-19 | Teaching device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH438868A CH480699A (en) | 1968-03-25 | 1968-03-25 | Teaching device |
Publications (1)
Publication Number | Publication Date |
---|---|
CH480699A true CH480699A (en) | 1969-10-31 |
Family
ID=4275181
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH438868A CH480699A (en) | 1968-03-25 | 1968-03-25 | Teaching device |
Country Status (2)
Country | Link |
---|---|
CH (1) | CH480699A (en) |
DE (2) | DE6812106U (en) |
-
1968
- 1968-03-25 CH CH438868A patent/CH480699A/en not_active IP Right Cessation
- 1968-12-18 DE DE19686812106 patent/DE6812106U/en not_active Expired
- 1968-12-19 DE DE19681815562 patent/DE1815562A1/en active Pending
Also Published As
Publication number | Publication date |
---|---|
DE6812106U (en) | 1969-10-23 |
DE1815562A1 (en) | 1969-10-16 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PL | Patent ceased |