FR2121959A5 - - Google Patents
Info
- Publication number
- FR2121959A5 FR2121959A5 FR7100920A FR7100920A FR2121959A5 FR 2121959 A5 FR2121959 A5 FR 2121959A5 FR 7100920 A FR7100920 A FR 7100920A FR 7100920 A FR7100920 A FR 7100920A FR 2121959 A5 FR2121959 A5 FR 2121959A5
- 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
- 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
- G03B23/00—Devices for changing pictures in viewing apparatus or projectors
- G03B23/18—Devices for changing pictures in viewing apparatus or projectors with fade-in and fade-out effects
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7100920A FR2121959A5 (OSRAM) | 1971-01-13 | 1971-01-13 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7100920A FR2121959A5 (OSRAM) | 1971-01-13 | 1971-01-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR2121959A5 true FR2121959A5 (OSRAM) | 1972-08-25 |
Family
ID=9070177
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7100920A Expired FR2121959A5 (OSRAM) | 1971-01-13 | 1971-01-13 |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR2121959A5 (OSRAM) |
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1971
- 1971-01-13 FR FR7100920A patent/FR2121959A5/fr not_active Expired