NL7306300A - - Google Patents
Info
- Publication number
- NL7306300A NL7306300A NL7306300A NL7306300A NL7306300A NL 7306300 A NL7306300 A NL 7306300A NL 7306300 A NL7306300 A NL 7306300A NL 7306300 A NL7306300 A NL 7306300A NL 7306300 A NL7306300 A NL 7306300A
- 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
- G09B5/06—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
-
- 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)
- Overhead Projectors And Projection Screens (AREA)
- Television Signal Processing For Recording (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2123172A GB1435510A (en) | 1972-05-06 | 1972-05-06 | Data processing apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL7306300A true NL7306300A (xx) | 1973-11-08 |
Family
ID=10159406
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL7306300A NL7306300A (xx) | 1972-05-06 | 1973-05-04 |
Country Status (4)
| Country | Link |
|---|---|
| DE (1) | DE2322215A1 (xx) |
| FR (1) | FR2184294A5 (xx) |
| GB (1) | GB1435510A (xx) |
| NL (1) | NL7306300A (xx) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4146314A (en) * | 1978-01-30 | 1979-03-27 | Polaroid Corporation | Audio visual system having recorded moving light pointer and method |
| US4291954A (en) * | 1980-01-24 | 1981-09-29 | Polaroid Corporation | Audiovisual system with improved moving light pointer |
| GB2161623B (en) * | 1981-12-31 | 1986-07-23 | Bell & Howell Co | Slide projector control apparatus |
-
1972
- 1972-05-06 GB GB2123172A patent/GB1435510A/en not_active Expired
-
1973
- 1973-05-03 DE DE19732322215 patent/DE2322215A1/de active Pending
- 1973-05-04 NL NL7306300A patent/NL7306300A/xx unknown
- 1973-05-04 FR FR7316062A patent/FR2184294A5/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE2322215A1 (de) | 1973-11-22 |
| FR2184294A5 (xx) | 1973-12-21 |
| GB1435510A (en) | 1976-05-12 |