BE377818A - - Google Patents
Info
- Publication number
- BE377818A BE377818A BE377818DA BE377818A BE 377818 A BE377818 A BE 377818A BE 377818D A BE377818D A BE 377818DA BE 377818 A BE377818 A BE 377818A
- Authority
- BE
- Belgium
- Prior art keywords
- projection
- devices
- screen
- projection apparatus
- alternately
- Prior art date
Links
- 244000027321 Lychnis chalcedonica Species 0.000 claims description 3
- 239000002904 solvent Substances 0.000 claims 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
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
Landscapes
- Business, Economics & Management (AREA)
- Accounting & Taxation (AREA)
- Marketing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Projection Apparatus (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE377818A true BE377818A (enrdf_load_stackoverflow) |
Family
ID=48017
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE377818D BE377818A (enrdf_load_stackoverflow) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE377818A (enrdf_load_stackoverflow) |
-
0
- BE BE377818D patent/BE377818A/fr unknown
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