IT8049616A0 - Materiale in foglio utile come schermo per proiezione - Google Patents
Materiale in foglio utile come schermo per proiezioneInfo
- Publication number
- IT8049616A0 IT8049616A0 IT8049616A IT4961680A IT8049616A0 IT 8049616 A0 IT8049616 A0 IT 8049616A0 IT 8049616 A IT8049616 A IT 8049616A IT 4961680 A IT4961680 A IT 4961680A IT 8049616 A0 IT8049616 A0 IT 8049616A0
- Authority
- IT
- Italy
- Prior art keywords
- sheet material
- projection screen
- material useful
- useful
- projection
- Prior art date
Links
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
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 |
---|---|---|---|
US06/072,661 US4268118A (en) | 1979-09-05 | 1979-09-05 | Sheeting useful as a projection screen |
Publications (2)
Publication Number | Publication Date |
---|---|
IT8049616A0 true IT8049616A0 (it) | 1980-09-04 |
IT1145289B IT1145289B (it) | 1986-11-05 |
Family
ID=22109027
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT49616/80A IT1145289B (it) | 1979-09-05 | 1980-09-04 | Materiale in foglio utile come schermo per proiezione |
Country Status (8)
Country | Link |
---|---|
US (1) | US4268118A (it) |
EP (1) | EP0035033B1 (it) |
JP (1) | JPS56501105A (it) |
CA (1) | CA1138233A (it) |
DE (1) | DE3072108D1 (it) |
FR (1) | FR2464506A1 (it) |
IT (1) | IT1145289B (it) |
WO (1) | WO1981000770A1 (it) |
Families Citing this family (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2098349B (en) * | 1981-05-01 | 1984-08-01 | Philips Electronic Associated | Telescope reflector |
JP3208788B2 (ja) * | 1991-06-17 | 2001-09-17 | 大日本印刷株式会社 | 反射型映写スクリーン |
SE9300958L (sv) * | 1993-03-23 | 1994-09-24 | Nova Onab Optica Ab | Offset projektor |
US6788460B2 (en) * | 1998-04-15 | 2004-09-07 | Duke University | Projection screen apparatus |
AU6245994A (en) * | 1993-07-27 | 1995-02-28 | Physical Optics Corporation | High-brightness directional viewing screen |
CA2168107C (en) * | 1993-07-27 | 2001-02-13 | Joel Petersen | Light source destructuring and shaping device |
US5475533A (en) * | 1993-08-02 | 1995-12-12 | Applied Physics Research, L.P. | Apparatus for enhancing the brightness of an image and method of making the same |
US5425977A (en) * | 1993-08-16 | 1995-06-20 | Monsanto Company | Rough-surfaced interlayer |
US5414558A (en) * | 1994-02-14 | 1995-05-09 | You; Shy-Loong | Screen for a projector |
US6130777A (en) | 1996-05-16 | 2000-10-10 | Dai Nippon Printing Co., Ltd. | Lenticular lens sheet with both a base sheet having lenticular elements and a surface diffusing part having elements of elementary shape smaller than lenticular elements |
US6967779B2 (en) | 1998-04-15 | 2005-11-22 | Bright View Technologies, Inc. | Micro-lens array with precisely aligned aperture mask and methods of producing same |
US6816306B2 (en) | 1998-04-15 | 2004-11-09 | Bright View Technologies Inc. | Micro-lens array based light transmitting screen with high resolution and low imaging artifacts |
US6829087B2 (en) | 1998-04-15 | 2004-12-07 | Bright View Technologies, Inc. | Micro-lens array based light transmitting screen with tunable gain |
US6819486B2 (en) * | 2001-01-17 | 2004-11-16 | 3M Innovative Properties Company | Projection screen having elongated structures |
JP2005522736A (ja) * | 2002-04-12 | 2005-07-28 | デューク ユニヴァーシティー | 投射スクリーン装置 |
KR100500001B1 (ko) * | 2002-05-10 | 2005-07-07 | 주식회사 지.비라이트 | 곡면 반사형 영사스크린의 제조방법 및 그 제조방법에의해 제조된 영사스크린 |
US7110175B2 (en) * | 2004-02-27 | 2006-09-19 | Bose Corporation | Display screens |
US20070030415A1 (en) * | 2005-05-16 | 2007-02-08 | Epstein Kenneth A | Back-lit displays with high illumination uniformity |
US7478913B2 (en) * | 2006-11-15 | 2009-01-20 | 3M Innovative Properties | Back-lit displays with high illumination uniformity |
JP2010510546A (ja) * | 2006-11-15 | 2010-04-02 | スリーエム イノベイティブ プロパティズ カンパニー | 高い照明均一性を有するバックライトディスプレイ |
US7766528B2 (en) * | 2006-11-15 | 2010-08-03 | 3M Innovative Properties Company | Back-lit displays with high illumination uniformity |
US7789538B2 (en) | 2006-11-15 | 2010-09-07 | 3M Innovative Properties Company | Back-lit displays with high illumination uniformity |
JP2012128137A (ja) * | 2010-12-15 | 2012-07-05 | Seiko Epson Corp | 反射型スクリーンおよび反射型スクリーンの製造方法 |
JP2017187561A (ja) * | 2016-04-01 | 2017-10-12 | 王子ホールディングス株式会社 | 反射型スクリーン |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2480031A (en) * | 1944-12-23 | 1949-08-23 | Rca Corp | Rear-projection screen |
US2660927A (en) * | 1949-12-12 | 1953-12-01 | Charles G Burton | Projection screen |
US2984152A (en) * | 1951-11-23 | 1961-05-16 | William T Snyder | Projection screens |
US3063339A (en) * | 1958-06-18 | 1962-11-13 | William J Snyder | Projection screens |
US3214234A (en) * | 1963-05-21 | 1965-10-26 | Phillips Petroleum Co | Oriented foamed polyolefin extrudates and the production and dyeing of the same |
US3408132A (en) * | 1966-11-21 | 1968-10-29 | Eastman Kodak Co | Projection screen |
US3492060A (en) * | 1967-03-08 | 1970-01-27 | Eastman Kodak Co | Projection screen |
US3811750A (en) * | 1972-07-18 | 1974-05-21 | Batzner Coulthard M | Projection screens |
US4025160A (en) * | 1973-09-19 | 1977-05-24 | Robert H. Reibel | Dual purpose projection screen |
US4089587A (en) * | 1974-11-29 | 1978-05-16 | Schudel Conrad R | Projection screen surface and method of forming said surface |
JPS5382330A (en) * | 1976-12-28 | 1978-07-20 | Tokyo Konpou Zairiyou Kk | Projection screen |
JPS54130925A (en) * | 1978-04-01 | 1979-10-11 | Tomoo Kikuchi | High intensity wide expansion screen |
-
1979
- 1979-09-05 US US06/072,661 patent/US4268118A/en not_active Expired - Lifetime
-
1980
- 1980-07-30 WO PCT/US1980/000974 patent/WO1981000770A1/en active IP Right Grant
- 1980-07-30 JP JP50214680A patent/JPS56501105A/ja active Pending
- 1980-07-30 DE DE8080901821T patent/DE3072108D1/de not_active Expired
- 1980-08-05 CA CA000357623A patent/CA1138233A/en not_active Expired
- 1980-09-04 FR FR8019086A patent/FR2464506A1/fr active Granted
- 1980-09-04 IT IT49616/80A patent/IT1145289B/it active
-
1981
- 1981-03-23 EP EP80901821A patent/EP0035033B1/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
WO1981000770A1 (en) | 1981-03-19 |
JPS56501105A (it) | 1981-08-06 |
DE3072108D1 (en) | 1988-09-01 |
IT1145289B (it) | 1986-11-05 |
FR2464506B1 (it) | 1984-11-30 |
FR2464506A1 (fr) | 1981-03-06 |
EP0035033B1 (en) | 1988-07-27 |
EP0035033A1 (en) | 1981-09-09 |
US4268118A (en) | 1981-05-19 |
EP0035033A4 (en) | 1982-01-11 |
CA1138233A (en) | 1982-12-28 |
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