FR2143616B1 - - Google Patents
Info
- Publication number
- FR2143616B1 FR2143616B1 FR7124755A FR7124755A FR2143616B1 FR 2143616 B1 FR2143616 B1 FR 2143616B1 FR 7124755 A FR7124755 A FR 7124755A FR 7124755 A FR7124755 A FR 7124755A FR 2143616 B1 FR2143616 B1 FR 2143616B1
- 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
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F7/00—Signs, name or number plates, letters, numerals, or symbols; Panels or boards
-
- 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
- G03B21/54—Accessories
- G03B21/56—Projection screens
- G03B21/58—Projection screens collapsible, e.g. foldable; of variable area
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7124755A FR2143616B1 (cg-RX-API-DMAC10.html) | 1971-06-28 | 1971-06-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7124755A FR2143616B1 (cg-RX-API-DMAC10.html) | 1971-06-28 | 1971-06-28 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2143616A1 FR2143616A1 (cg-RX-API-DMAC10.html) | 1973-02-09 |
| FR2143616B1 true FR2143616B1 (cg-RX-API-DMAC10.html) | 1974-02-15 |
Family
ID=9079927
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7124755A Expired FR2143616B1 (cg-RX-API-DMAC10.html) | 1971-06-28 | 1971-06-28 |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR2143616B1 (cg-RX-API-DMAC10.html) |
-
1971
- 1971-06-28 FR FR7124755A patent/FR2143616B1/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR2143616A1 (cg-RX-API-DMAC10.html) | 1973-02-09 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |