FR2149254A2 - - Google Patents
Info
- Publication number
- FR2149254A2 FR2149254A2 FR7128147A FR7128147A FR2149254A2 FR 2149254 A2 FR2149254 A2 FR 2149254A2 FR 7128147 A FR7128147 A FR 7128147A FR 7128147 A FR7128147 A FR 7128147A FR 2149254 A2 FR2149254 A2 FR 2149254A2
- 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.)
- Granted
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
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/14—Details
- G03B21/32—Details specially adapted for motion-picture projection
- G03B21/43—Driving mechanisms
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7128147A FR2149254B2 (enExample) | 1971-07-30 | 1971-07-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7128147A FR2149254B2 (enExample) | 1971-07-30 | 1971-07-30 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2149254A2 true FR2149254A2 (enExample) | 1973-03-30 |
| FR2149254B2 FR2149254B2 (enExample) | 1973-08-10 |
Family
ID=9081279
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7128147A Expired FR2149254B2 (enExample) | 1971-07-30 | 1971-07-30 |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR2149254B2 (enExample) |
-
1971
- 1971-07-30 FR FR7128147A patent/FR2149254B2/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR2149254B2 (enExample) | 1973-08-10 |