BR7208771D0 - Tela de projecao trazeira aperfeicoamentos em processo para fabrica-la e aparelho para exibicao de imagem - Google Patents
Tela de projecao trazeira aperfeicoamentos em processo para fabrica-la e aparelho para exibicao de imagemInfo
- Publication number
- BR7208771D0 BR7208771D0 BR8771/72A BR877172A BR7208771D0 BR 7208771 D0 BR7208771 D0 BR 7208771D0 BR 8771/72 A BR8771/72 A BR 8771/72A BR 877172 A BR877172 A BR 877172A BR 7208771 D0 BR7208771 D0 BR 7208771D0
- Authority
- BR
- Brazil
- Prior art keywords
- appliance
- manufacture
- image display
- projection screen
- screen brings
- 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
- G03B21/62—Translucent screens
- G03B21/625—Lenticular translucent 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 |
---|---|---|---|
GB5824371A GB1419945A (en) | 1971-12-15 | 1971-12-15 | Reag projection screen |
Publications (1)
Publication Number | Publication Date |
---|---|
BR7208771D0 true BR7208771D0 (pt) | 1973-09-13 |
Family
ID=10481121
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR8771/72A BR7208771D0 (pt) | 1971-12-15 | 1972-12-13 | Tela de projecao trazeira aperfeicoamentos em processo para fabrica-la e aparelho para exibicao de imagem |
Country Status (11)
Country | Link |
---|---|
US (1) | US3830556A (pt) |
JP (1) | JPS4877830A (pt) |
AU (1) | AU5002372A (pt) |
BE (1) | BE792745A (pt) |
BR (1) | BR7208771D0 (pt) |
CA (1) | CA968598A (pt) |
DE (1) | DE2260885A1 (pt) |
FR (1) | FR2167053A5 (pt) |
GB (1) | GB1419945A (pt) |
IT (1) | IT984646B (pt) |
NL (1) | NL7217094A (pt) |
Families Citing this family (49)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4118114A (en) * | 1974-08-21 | 1978-10-03 | Minnesota Mining And Manufacturing Company | Low-glare overhead projector |
JPH0233231Y2 (pt) * | 1979-11-08 | 1990-09-07 | ||
JPH0128500Y2 (pt) * | 1979-11-08 | 1989-08-30 | ||
JPS6347866Y2 (pt) * | 1980-02-08 | 1988-12-09 | ||
JPS56158329A (en) * | 1980-04-08 | 1981-12-07 | Matsushita Electric Ind Co Ltd | Transmission type screen |
JPS56158328A (en) * | 1980-04-08 | 1981-12-07 | Matsushita Electric Ind Co Ltd | Transmission type screen |
DE3018449C2 (de) * | 1980-05-14 | 1983-01-05 | Dr. Johannes Heidenhain Gmbh, 8225 Traunreut | Projektionsschirmeinrichtung |
US4387959A (en) * | 1981-01-06 | 1983-06-14 | Zenith Radio Corporation | Rear projection screen |
US4418986A (en) * | 1981-04-07 | 1983-12-06 | Mitsubishi Rayon Co., Ltd. | Rear projection screen |
US4374609A (en) * | 1981-05-21 | 1983-02-22 | Zenith Radio Corporation | Image projection screen with decreased color shift as a function of viewing angle, and method of manufacture |
US4469402A (en) * | 1981-06-15 | 1984-09-04 | Mitsubishi Rayon Co., Ltd. | Rear projection screen |
JPS5819804A (ja) * | 1981-07-28 | 1983-02-05 | 株式会社東芝 | 照明装置 |
GB2111281B (en) * | 1981-11-26 | 1985-08-21 | English Electric Valve Co Ltd | Display arrangements |
JPS58108523A (ja) * | 1981-12-23 | 1983-06-28 | Toshiba Corp | 光屈折拡散板装置 |
JPS58145933A (ja) * | 1982-02-25 | 1983-08-31 | Mitsubishi Rayon Co Ltd | 背面投影スクリ−ン |
JPS58160939A (ja) * | 1982-03-19 | 1983-09-24 | Dainippon Printing Co Ltd | エンボス焦点板 |
JPS58160940A (ja) * | 1982-03-19 | 1983-09-24 | Dainippon Printing Co Ltd | 透過型映写用スクリ−ン板 |
JPS58141231U (ja) * | 1982-03-19 | 1983-09-22 | 大日本印刷株式会社 | 透過型映写用スクリ−ン板 |
US4452509A (en) * | 1982-04-28 | 1984-06-05 | Rca Corporation | Projection television screen having a selected audience envelope |
JPS58221833A (ja) * | 1982-05-07 | 1983-12-23 | Dainippon Printing Co Ltd | レンチキユラ−シ−ト |
JPS5987042U (ja) * | 1982-12-03 | 1984-06-12 | 大日本印刷株式会社 | レンチキユラ−レンズ板 |
DK162413C (da) * | 1982-06-10 | 1992-03-23 | Dainippon Printing Co Ltd | Bagfra belyst projektionsskaerm |
JPS58216233A (ja) * | 1982-06-10 | 1983-12-15 | Dainippon Printing Co Ltd | 透過型投影スクリ−ン用レンズ板 |
JPS58216235A (ja) * | 1982-06-10 | 1983-12-15 | Dainippon Printing Co Ltd | 透過型投影スクリ−ン |
JPS5923334A (ja) * | 1982-07-29 | 1984-02-06 | Victor Co Of Japan Ltd | 透過式スクリ−ン |
JPS59121034A (ja) * | 1982-12-27 | 1984-07-12 | Mitsubishi Rayon Co Ltd | 透過型スクリ−ン |
JPS59133535A (ja) * | 1983-01-20 | 1984-07-31 | Dainippon Printing Co Ltd | 透過型スクリ−ン |
US4512631A (en) * | 1983-04-21 | 1985-04-23 | Rca Corporation | Rear projection television screen incorporating a prism lens |
US4482206A (en) * | 1983-04-21 | 1984-11-13 | Rca Corporation | Rear projection television screen having a multi-surface Fresnel lens |
AU571663B2 (en) * | 1984-04-05 | 1988-04-21 | Fmc Corporation | Latchable platform attachment to crane boom |
US4606609A (en) * | 1985-08-12 | 1986-08-19 | Hong Sung K | Projection screen |
NL8503526A (nl) * | 1985-12-20 | 1987-07-16 | Philips Nv | Doorzichtprojektiescherm. |
NL8700135A (nl) * | 1987-01-21 | 1988-08-16 | Philips Nv | Doorzichtprojektiescherm en doorzichtprojektiesysteem voorzien van een dergelijk scherm. |
JP2656770B2 (ja) * | 1987-07-21 | 1997-09-24 | 三菱レイヨン株式会社 | 透過型スクリーン |
JP2695422B2 (ja) * | 1988-01-14 | 1997-12-24 | 三菱レイヨン株式会社 | 透過型スクリーン |
JPH0830848B2 (ja) * | 1988-04-15 | 1996-03-27 | 株式会社日立製作所 | マルチスクリーンプロジェクタ |
US4927233A (en) * | 1989-03-06 | 1990-05-22 | Mitsubishi Rayon Co., Ltd. | Rear projection screen |
US5076661A (en) * | 1991-01-23 | 1991-12-31 | North American Philips Corp. | Rear projection screen |
US5642226A (en) * | 1995-01-18 | 1997-06-24 | Rosenthal; Bruce A. | Lenticular optical system |
US5757550A (en) * | 1995-10-31 | 1998-05-26 | Eastman Kodak Company | Dual-view imaging product |
GB9613802D0 (en) * | 1996-07-01 | 1996-09-04 | Nashua Corp | Improvements in or relating to light diffusers |
JPH10239777A (ja) * | 1997-02-28 | 1998-09-11 | Kuraray Co Ltd | 背面投写型映像表示装置 |
JP3822961B2 (ja) * | 1997-09-11 | 2006-09-20 | 大日本印刷株式会社 | レンチキュラーレンズシート及び透過型スクリーン |
EP0941500A1 (en) * | 1997-09-26 | 1999-09-15 | Koninklijke Philips Electronics N.V. | Image projection screen |
JP3931936B2 (ja) * | 1998-05-11 | 2007-06-20 | セイコーエプソン株式会社 | マイクロレンズアレイ基板及びその製造方法並びに表示装置 |
WO2001014927A1 (en) * | 1999-08-24 | 2001-03-01 | U.S. Precision Lens Incorporated | Screen for rear projection display |
US6970289B1 (en) | 2000-08-23 | 2005-11-29 | Corning Incorporated | Screen for rear projection display |
KR100933117B1 (ko) * | 2001-02-07 | 2009-12-21 | 코닝 인코포레이티드 | 스크린 및 스크린 제조방법 |
JP2002311509A (ja) * | 2001-04-16 | 2002-10-23 | Dainippon Printing Co Ltd | レンチキュラーレンズシートおよびこれを用いたスクリーン |
-
0
- BE BE792745D patent/BE792745A/xx unknown
-
1971
- 1971-12-15 GB GB5824371A patent/GB1419945A/en not_active Expired
-
1972
- 1972-12-01 US US00311129A patent/US3830556A/en not_active Expired - Lifetime
- 1972-12-11 CA CA158,593A patent/CA968598A/en not_active Expired
- 1972-12-13 AU AU50023/72A patent/AU5002372A/en not_active Expired
- 1972-12-13 DE DE2260885A patent/DE2260885A1/de active Pending
- 1972-12-13 BR BR8771/72A patent/BR7208771D0/pt unknown
- 1972-12-15 IT IT54751/72A patent/IT984646B/it active
- 1972-12-15 NL NL7217094A patent/NL7217094A/xx unknown
- 1972-12-15 FR FR7244738A patent/FR2167053A5/fr not_active Expired
- 1972-12-15 JP JP47126010A patent/JPS4877830A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
AU5002372A (en) | 1974-07-11 |
BE792745A (fr) | 1973-03-30 |
IT984646B (it) | 1974-11-20 |
GB1419945A (en) | 1975-12-31 |
US3830556A (en) | 1974-08-20 |
JPS4877830A (pt) | 1973-10-19 |
NL7217094A (pt) | 1973-06-19 |
CA968598A (en) | 1975-06-03 |
FR2167053A5 (pt) | 1973-08-17 |
DE2260885A1 (de) | 1973-06-20 |
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