GB1580722A - Projection screens - Google Patents
Projection screens Download PDFInfo
- Publication number
- GB1580722A GB1580722A GB15348/77A GB1534877A GB1580722A GB 1580722 A GB1580722 A GB 1580722A GB 15348/77 A GB15348/77 A GB 15348/77A GB 1534877 A GB1534877 A GB 1534877A GB 1580722 A GB1580722 A GB 1580722A
- Authority
- GB
- United Kingdom
- Prior art keywords
- film
- layer
- texture
- forward surface
- projection screen
- 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.)
- Expired
Links
- 239000000463 material Substances 0.000 claims description 39
- 239000006185 dispersion Substances 0.000 claims description 26
- 238000000034 method Methods 0.000 claims description 21
- 229910052782 aluminium Inorganic materials 0.000 claims description 15
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 15
- 238000000151 deposition Methods 0.000 claims description 7
- 239000012858 resilient material Substances 0.000 claims description 7
- 239000000853 adhesive Substances 0.000 claims description 6
- 230000001070 adhesive effect Effects 0.000 claims description 6
- 239000013618 particulate matter Substances 0.000 claims description 6
- 239000004411 aluminium Substances 0.000 claims description 5
- 239000011248 coating agent Substances 0.000 claims description 5
- 238000000576 coating method Methods 0.000 claims description 5
- 239000000126 substance Substances 0.000 claims description 4
- 230000001680 brushing effect Effects 0.000 claims description 3
- 150000001875 compounds Chemical class 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 claims description 2
- 239000002184 metal Substances 0.000 claims description 2
- 239000011856 silicon-based particle Substances 0.000 claims description 2
- 239000010408 film Substances 0.000 description 40
- 239000011888 foil Substances 0.000 description 9
- 230000006835 compression Effects 0.000 description 5
- 238000007906 compression Methods 0.000 description 5
- 229920002799 BoPET Polymers 0.000 description 2
- 239000005041 Mylar™ Substances 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000001771 impaired effect Effects 0.000 description 2
- 230000001788 irregular Effects 0.000 description 2
- 239000011104 metalized film Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 241000282832 Camelidae Species 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000035508 accumulation Effects 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 235000019504 cigarettes Nutrition 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 239000008162 cooking oil Substances 0.000 description 1
- 238000010410 dusting Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000004922 lacquer Substances 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 239000011253 protective coating Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 230000002459 sustained effect Effects 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Overhead Projectors And Projection Screens (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/679,610 US4089587A (en) | 1974-11-29 | 1976-04-23 | Projection screen surface and method of forming said surface |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1580722A true GB1580722A (en) | 1980-12-03 |
Family
ID=24727598
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB15348/77A Expired GB1580722A (en) | 1976-04-23 | 1977-04-13 | Projection screens |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JPS52130325A (de) |
| DE (1) | DE2718065A1 (de) |
| FR (1) | FR2349155A1 (de) |
| GB (1) | GB1580722A (de) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2297765A (en) * | 1995-02-10 | 1996-08-14 | Nashua Corp | Front projection screens |
| US5837346A (en) * | 1995-11-27 | 1998-11-17 | Nashua Corporation | Projection screens having light collimating and light diffusing properties |
| US5964101A (en) * | 1996-12-10 | 1999-10-12 | Edward R. Schulak | Energy transfer system for refrigerator/freezer components |
| US6346311B1 (en) | 1997-09-10 | 2002-02-12 | Nashua Corporation | Projection screen material and methods of manufacture |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4206969A (en) * | 1979-04-11 | 1980-06-10 | Minnesota Mining And Manufacturing Company | Directional front projection screen |
| DE3403861A1 (de) * | 1984-02-03 | 1985-08-08 | Mechanische Weberei Gmbh, 4792 Bad Lippspringe | Lichtbild-projektionswand |
| NL8602567A (nl) * | 1986-10-13 | 1988-05-02 | Philips Nv | Werkwijze voor het vervaardigen van een diffuse reflector. |
| DE4001458C2 (de) * | 1990-01-19 | 1994-06-01 | Mechanische Weberei Gmbh | Projektionswand |
| WO1996021997A2 (en) * | 1995-01-14 | 1996-07-18 | Optica Nova Onab Ab | 3d-projection |
| US6522374B1 (en) * | 1998-08-25 | 2003-02-18 | Physical Optics Corporation | Passive matrix liquid crystal display |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2203707A1 (de) * | 1971-10-06 | 1973-04-12 | Elbe Kamera Gmbh | Bildwand fuer projektionszwecke |
| US3964822A (en) * | 1973-10-12 | 1976-06-22 | Mitsui Petrochemical Industries, Ltd. | Projection screen and process for production thereof |
-
1977
- 1977-02-07 JP JP1238677A patent/JPS52130325A/ja active Pending
- 1977-04-13 GB GB15348/77A patent/GB1580722A/en not_active Expired
- 1977-04-22 DE DE19772718065 patent/DE2718065A1/de not_active Withdrawn
- 1977-04-22 FR FR7712282A patent/FR2349155A1/fr active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2297765A (en) * | 1995-02-10 | 1996-08-14 | Nashua Corp | Front projection screens |
| US5837346A (en) * | 1995-11-27 | 1998-11-17 | Nashua Corporation | Projection screens having light collimating and light diffusing properties |
| US5964101A (en) * | 1996-12-10 | 1999-10-12 | Edward R. Schulak | Energy transfer system for refrigerator/freezer components |
| US6346311B1 (en) | 1997-09-10 | 2002-02-12 | Nashua Corporation | Projection screen material and methods of manufacture |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2349155A1 (fr) | 1977-11-18 |
| DE2718065A1 (de) | 1977-11-10 |
| JPS52130325A (en) | 1977-11-01 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed [section 19, patents act 1949] | ||
| PCNP | Patent ceased through non-payment of renewal fee |