FR2123175A1 - - Google Patents
Info
- Publication number
- FR2123175A1 FR2123175A1 FR7102755A FR7102755A FR2123175A1 FR 2123175 A1 FR2123175 A1 FR 2123175A1 FR 7102755 A FR7102755 A FR 7102755A FR 7102755 A FR7102755 A FR 7102755A FR 2123175 A1 FR2123175 A1 FR 2123175A1
- 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.)
- Withdrawn
Links
Classifications
-
- 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
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- 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
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)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7102755A FR2123175A1 (Direct) | 1971-01-28 | 1971-01-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7102755A FR2123175A1 (Direct) | 1971-01-28 | 1971-01-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR2123175A1 true FR2123175A1 (Direct) | 1972-09-08 |
Family
ID=9070997
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7102755A Withdrawn FR2123175A1 (Direct) | 1971-01-28 | 1971-01-28 |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR2123175A1 (Direct) |
-
1971
- 1971-01-28 FR FR7102755A patent/FR2123175A1/fr not_active Withdrawn
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |