FR2454827B1 - - Google Patents
Info
- Publication number
- FR2454827B1 FR2454827B1 FR7910882A FR7910882A FR2454827B1 FR 2454827 B1 FR2454827 B1 FR 2454827B1 FR 7910882 A FR7910882 A FR 7910882A FR 7910882 A FR7910882 A FR 7910882A FR 2454827 B1 FR2454827 B1 FR 2454827B1
- 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
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/54—Accessories
- G03B21/56—Projection screens
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Overhead Projectors And Projection Screens (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7910882A FR2454827A1 (fr) | 1979-04-27 | 1979-04-27 | Installation pour la projection d'images en haute fidelite optique |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7910882A FR2454827A1 (fr) | 1979-04-27 | 1979-04-27 | Installation pour la projection d'images en haute fidelite optique |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2454827A1 FR2454827A1 (fr) | 1980-11-21 |
| FR2454827B1 true FR2454827B1 (enExample) | 1984-01-27 |
Family
ID=9224875
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7910882A Granted FR2454827A1 (fr) | 1979-04-27 | 1979-04-27 | Installation pour la projection d'images en haute fidelite optique |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR2454827A1 (enExample) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20170089862A (ko) | 2014-11-30 | 2017-08-04 | 돌비 레버러토리즈 라이쎈싱 코오포레이션 | 소셜 미디어 링크형 대형 극장 설계 |
| US9551161B2 (en) | 2014-11-30 | 2017-01-24 | Dolby Laboratories Licensing Corporation | Theater entrance |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH221991A (de) * | 1939-05-31 | 1942-06-30 | Loewe Opta Gmbh | Projektionsanlage. |
| US3580661A (en) * | 1969-04-10 | 1971-05-25 | Bell & Howell Co | Rear projection viewing screen for close viewing |
| GB1316486A (en) * | 1969-05-15 | 1973-05-09 | Midorikai Kk | Curved projection screens |
| US3820873A (en) * | 1973-04-26 | 1974-06-28 | Gen Electric | Screen for producing an enhanced impression of depth |
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1979
- 1979-04-27 FR FR7910882A patent/FR2454827A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| FR2454827A1 (fr) | 1980-11-21 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| CL | Concession to grant licenses | ||
| ST | Notification of lapse |