BE729072A - - Google Patents
Info
- Publication number
- BE729072A BE729072A BE729072DA BE729072A BE 729072 A BE729072 A BE 729072A BE 729072D A BE729072D A BE 729072DA BE 729072 A BE729072 A BE 729072A
- Authority
- BE
- Belgium
Links
Classifications
-
- 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
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Electrically Operated Instructional Devices (AREA)
- Overhead Projectors And Projection Screens (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL6802906A NL6802906A (de) | 1968-03-01 | 1968-03-01 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE729072A true BE729072A (de) | 1969-08-27 |
Family
ID=19802909
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE729072D BE729072A (de) | 1968-03-01 | 1969-02-27 |
Country Status (7)
| Country | Link |
|---|---|
| AT (1) | AT288864B (de) |
| BE (1) | BE729072A (de) |
| CH (1) | CH487424A (de) |
| DE (1) | DE1909935A1 (de) |
| FR (1) | FR2002998A1 (de) |
| GB (1) | GB1263758A (de) |
| NL (1) | NL6802906A (de) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ES453984A1 (es) * | 1975-11-28 | 1977-11-16 | Eurafrica S R L Societa Per Ri | Un aparato para la reproduccion audiovisual. |
| GB2203958A (en) * | 1987-04-30 | 1988-11-02 | Grosvenor Innovations Ltd | Audio-visual equipment |
-
1968
- 1968-03-01 NL NL6802906A patent/NL6802906A/xx unknown
-
1969
- 1969-02-26 GB GB1026969A patent/GB1263758A/en not_active Expired
- 1969-02-27 FR FR6905173A patent/FR2002998A1/fr not_active Withdrawn
- 1969-02-27 DE DE19691909935 patent/DE1909935A1/de active Pending
- 1969-02-27 AT AT196969A patent/AT288864B/de not_active IP Right Cessation
- 1969-02-27 BE BE729072D patent/BE729072A/xx unknown
- 1969-02-27 CH CH295769A patent/CH487424A/de not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| AT288864B (de) | 1971-03-25 |
| CH487424A (de) | 1970-03-15 |
| GB1263758A (en) | 1972-02-16 |
| FR2002998A1 (de) | 1969-11-07 |
| NL6802906A (de) | 1969-09-03 |
| DE1909935A1 (de) | 1969-09-25 |