FR2274065B1 - - Google Patents
Info
- Publication number
- FR2274065B1 FR2274065B1 FR7420047A FR7420047A FR2274065B1 FR 2274065 B1 FR2274065 B1 FR 2274065B1 FR 7420047 A FR7420047 A FR 7420047A FR 7420047 A FR7420047 A FR 7420047A FR 2274065 B1 FR2274065 B1 FR 2274065B1
- 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
- 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
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B31/00—Associated working of cameras or projectors with sound-recording or sound-reproducing means
- G03B31/06—Associated working of cameras or projectors with sound-recording or sound-reproducing means in which sound track is associated with successively-shown still pictures
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Multimedia (AREA)
- Business, Economics & Management (AREA)
- Educational Administration (AREA)
- Educational Technology (AREA)
- Theoretical Computer Science (AREA)
- Projection Apparatus (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7420047A FR2274065A1 (fr) | 1974-06-05 | 1974-06-05 | Valise de projection a bande magnetique sans fin, notamment pour cours audio-visuels |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7420047A FR2274065A1 (fr) | 1974-06-05 | 1974-06-05 | Valise de projection a bande magnetique sans fin, notamment pour cours audio-visuels |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2274065A1 FR2274065A1 (fr) | 1976-01-02 |
| FR2274065B1 true FR2274065B1 (US07923587-20110412-C00001.png) | 1980-01-25 |
Family
ID=9139845
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7420047A Granted FR2274065A1 (fr) | 1974-06-05 | 1974-06-05 | Valise de projection a bande magnetique sans fin, notamment pour cours audio-visuels |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR2274065A1 (US07923587-20110412-C00001.png) |
-
1974
- 1974-06-05 FR FR7420047A patent/FR2274065A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| FR2274065A1 (fr) | 1976-01-02 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| TP | Transmission of property | ||
| ST | Notification of lapse |