BE378657A - - Google Patents
Info
- Publication number
- BE378657A BE378657A BE378657DA BE378657A BE 378657 A BE378657 A BE 378657A BE 378657D A BE378657D A BE 378657DA BE 378657 A BE378657 A BE 378657A
- Authority
- BE
- Belgium
- Prior art keywords
- images
- devices
- projectors
- projection
- mirror
- Prior art date
Links
- 230000003287 optical effect Effects 0.000 claims description 5
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000011521 glass Substances 0.000 claims description 3
- 230000010355 oscillation Effects 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 239000005337 ground glass Substances 0.000 claims description 2
- 238000009434 installation Methods 0.000 claims 1
- 229920002160 Celluloid Polymers 0.000 description 1
- 244000027321 Lychnis chalcedonica Species 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 239000005338 frosted glass Substances 0.000 description 1
- 239000012780 transparent 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)
- Illuminated Signs And Luminous Advertising (AREA)
- Displays For Variable Information Using Movable Means (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE378657A true BE378657A (OSRAM) |
Family
ID=48698
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE378657D BE378657A (OSRAM) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE378657A (OSRAM) |
-
0
- BE BE378657D patent/BE378657A/fr unknown
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