BE543599A - - Google Patents
Info
- Publication number
- BE543599A BE543599A BE543599DA BE543599A BE 543599 A BE543599 A BE 543599A BE 543599D A BE543599D A BE 543599DA BE 543599 A BE543599 A BE 543599A
- Authority
- BE
- Belgium
- Prior art keywords
- lenses
- selectors
- block
- projection
- screen
- Prior art date
Links
- 239000007788 liquid Substances 0.000 claims description 20
- 238000011144 upstream manufacturing Methods 0.000 claims description 20
- 239000000463 material Substances 0.000 claims description 16
- 230000003287 optical effect Effects 0.000 claims description 15
- 210000000887 face Anatomy 0.000 claims description 10
- 239000004033 plastic Substances 0.000 claims description 8
- 229920003023 plastic Polymers 0.000 claims description 8
- 239000002966 varnish Substances 0.000 claims description 8
- 230000021615 conjugation Effects 0.000 claims description 6
- 238000000465 moulding Methods 0.000 claims description 6
- 238000003287 bathing Methods 0.000 claims description 5
- 239000011521 glass Substances 0.000 claims description 3
- 210000001747 pupil Anatomy 0.000 claims description 3
- 230000000717 retained effect Effects 0.000 claims description 2
- 239000002131 composite material Substances 0.000 claims 15
- 239000002985 plastic film Substances 0.000 claims 2
- 238000000151 deposition Methods 0.000 claims 1
- 239000000839 emulsion Substances 0.000 claims 1
- 238000009432 framing Methods 0.000 claims 1
- 239000011295 pitch Substances 0.000 description 17
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 8
- 239000000243 solution Substances 0.000 description 7
- 239000007787 solid Substances 0.000 description 5
- 238000010276 construction Methods 0.000 description 4
- 235000011187 glycerol Nutrition 0.000 description 4
- 239000007864 aqueous solution Substances 0.000 description 3
- 229930006000 Sucrose Natural products 0.000 description 2
- CZMRCDWAGMRECN-UGDNZRGBSA-N Sucrose Chemical compound O[C@H]1[C@H](O)[C@@H](CO)O[C@@]1(CO)O[C@@H]1[C@H](O)[C@@H](O)[C@H](O)[C@@H](CO)O1 CZMRCDWAGMRECN-UGDNZRGBSA-N 0.000 description 2
- 238000007792 addition Methods 0.000 description 2
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000002991 molded plastic Substances 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 229960004793 sucrose Drugs 0.000 description 2
- DLKQHBOKULLWDQ-UHFFFAOYSA-N 1-bromonaphthalene Chemical compound C1=CC=C2C(Br)=CC=CC2=C1 DLKQHBOKULLWDQ-UHFFFAOYSA-N 0.000 description 1
- 229920002284 Cellulose triacetate Polymers 0.000 description 1
- 239000000020 Nitrocellulose Substances 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
- 244000088959 Ochrosia oppositifolia Species 0.000 description 1
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 description 1
- FJWGYAHXMCUOOM-QHOUIDNNSA-N [(2s,3r,4s,5r,6r)-2-[(2r,3r,4s,5r,6s)-4,5-dinitrooxy-2-(nitrooxymethyl)-6-[(2r,3r,4s,5r,6s)-4,5,6-trinitrooxy-2-(nitrooxymethyl)oxan-3-yl]oxyoxan-3-yl]oxy-3,5-dinitrooxy-6-(nitrooxymethyl)oxan-4-yl] nitrate Chemical compound O([C@@H]1O[C@@H]([C@H]([C@H](O[N+]([O-])=O)[C@H]1O[N+]([O-])=O)O[C@H]1[C@@H]([C@@H](O[N+]([O-])=O)[C@H](O[N+]([O-])=O)[C@@H](CO[N+]([O-])=O)O1)O[N+]([O-])=O)CO[N+](=O)[O-])[C@@H]1[C@@H](CO[N+]([O-])=O)O[C@@H](O[N+]([O-])=O)[C@H](O[N+]([O-])=O)[C@H]1O[N+]([O-])=O FJWGYAHXMCUOOM-QHOUIDNNSA-N 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 229920002301 cellulose acetate Polymers 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000009713 electroplating Methods 0.000 description 1
- 239000005357 flat glass Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229920001220 nitrocellulos Polymers 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 239000003507 refrigerant Substances 0.000 description 1
- 239000012047 saturated solution Substances 0.000 description 1
- 230000005477 standard model Effects 0.000 description 1
- ILJSQTXMGCGYMG-UHFFFAOYSA-N triacetic acid Chemical compound CC(=O)CC(=O)CC(O)=O ILJSQTXMGCGYMG-UHFFFAOYSA-N 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 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
- G03B21/54—Accessories
- G03B21/56—Projection screens
- G03B21/60—Projection screens characterised by the nature of the surface
- G03B21/606—Projection screens characterised by the nature of the surface for relief projection
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Overhead Projectors And Projection Screens (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE543599A true BE543599A (ru) |
Family
ID=171861
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE543599D BE543599A (ru) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE543599A (ru) |
-
0
- BE BE543599D patent/BE543599A/fr unknown
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