FR2279127A1 - Appareil pour la projection simultanee de plusieurs images sur plusieurs surfaces differentes - Google Patents
Appareil pour la projection simultanee de plusieurs images sur plusieurs surfaces differentesInfo
- Publication number
- FR2279127A1 FR2279127A1 FR7425038A FR7425038A FR2279127A1 FR 2279127 A1 FR2279127 A1 FR 2279127A1 FR 7425038 A FR7425038 A FR 7425038A FR 7425038 A FR7425038 A FR 7425038A FR 2279127 A1 FR2279127 A1 FR 2279127A1
- Authority
- FR
- France
- Prior art keywords
- projector
- housing
- appts
- projectors
- common axis
- Prior art date
- 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
- 230000000295 complement effect Effects 0.000 abstract 1
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
-
- 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
- G03B21/12—Projectors or projection-type viewers; Accessories therefor adapted for projection of either still pictures or motion pictures
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F19/00—Advertising or display means not otherwise provided for
- G09F19/12—Advertising or display means not otherwise provided for using special optical effects
- G09F19/18—Advertising or display means not otherwise provided for using special optical effects involving the use of optical projection means, e.g. projection of images on clouds
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Business, Economics & Management (AREA)
- Accounting & Taxation (AREA)
- Marketing (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Projection Apparatus (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7425038A FR2279127A1 (fr) | 1974-07-18 | 1974-07-18 | Appareil pour la projection simultanee de plusieurs images sur plusieurs surfaces differentes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7425038A FR2279127A1 (fr) | 1974-07-18 | 1974-07-18 | Appareil pour la projection simultanee de plusieurs images sur plusieurs surfaces differentes |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2279127A1 true FR2279127A1 (fr) | 1976-02-13 |
| FR2279127B1 FR2279127B1 (OSRAM) | 1976-12-24 |
Family
ID=9141446
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7425038A Granted FR2279127A1 (fr) | 1974-07-18 | 1974-07-18 | Appareil pour la projection simultanee de plusieurs images sur plusieurs surfaces differentes |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR2279127A1 (OSRAM) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2426278A1 (fr) * | 1978-05-17 | 1979-12-14 | Butcher Ian | Dispositif sous forme de support avec ecran pour projections audio-visuelles |
| EP0601628A1 (en) * | 1992-12-02 | 1994-06-15 | Koninklijke Philips Electronics N.V. | Optical projection apparatus |
-
1974
- 1974-07-18 FR FR7425038A patent/FR2279127A1/fr active Granted
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2426278A1 (fr) * | 1978-05-17 | 1979-12-14 | Butcher Ian | Dispositif sous forme de support avec ecran pour projections audio-visuelles |
| EP0601628A1 (en) * | 1992-12-02 | 1994-06-15 | Koninklijke Philips Electronics N.V. | Optical projection apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2279127B1 (OSRAM) | 1976-12-24 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |