DE2750891C3 - Ruckprojektionsschirm - Google Patents
RuckprojektionsschirmInfo
- Publication number
- DE2750891C3 DE2750891C3 DE2750891A DE2750891A DE2750891C3 DE 2750891 C3 DE2750891 C3 DE 2750891C3 DE 2750891 A DE2750891 A DE 2750891A DE 2750891 A DE2750891 A DE 2750891A DE 2750891 C3 DE2750891 C3 DE 2750891C3
- Authority
- DE
- Germany
- Prior art keywords
- fresnel
- fresnel lens
- image
- screen
- 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
- 230000015572 biosynthetic process Effects 0.000 claims description 11
- 238000000605 extraction Methods 0.000 description 2
- 238000003384 imaging method Methods 0.000 description 1
- 101150085091 lat-2 gene Proteins 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
- G03B21/602—Lenticular screens
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Overhead Projectors And Projection Screens (AREA)
- Transforming Electric Information Into Light Information (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1976155099U JPS5552417Y2 (enExample) | 1976-11-18 | 1976-11-18 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| DE2750891A1 DE2750891A1 (de) | 1978-05-24 |
| DE2750891B2 DE2750891B2 (de) | 1979-09-20 |
| DE2750891C3 true DE2750891C3 (de) | 1980-06-12 |
Family
ID=15598594
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2750891A Expired DE2750891C3 (de) | 1976-11-18 | 1977-11-14 | Ruckprojektionsschirm |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US4152047A (enExample) |
| JP (1) | JPS5552417Y2 (enExample) |
| DE (1) | DE2750891C3 (enExample) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3018449A1 (de) * | 1980-05-14 | 1981-11-19 | Dr. Johannes Heidenhain Gmbh, 8225 Traunreut | Projektionsschirmeinrichtung |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4492442A (en) * | 1979-10-04 | 1985-01-08 | Gaudyn Tad J | Three dimensional projection arrangement |
| JPS5879731U (ja) * | 1981-11-26 | 1983-05-30 | ソニー株式会社 | リアプロジエクタ装置 |
| US4482206A (en) * | 1983-04-21 | 1984-11-13 | Rca Corporation | Rear projection television screen having a multi-surface Fresnel lens |
| US4473355A (en) * | 1983-06-30 | 1984-09-25 | Messerschmitt-Boelkow-Blohm Gesellschaft Mit Beschraenkter Haftung | Visual simulator and display screen for said simulator |
| DK156596C (da) * | 1985-08-30 | 1990-01-29 | Scan Screen Production A S | Transparent baglysprojektionsskaerm |
| JPH03213840A (ja) * | 1988-11-22 | 1991-09-19 | Canon Inc | 背面投射型スクリーン及びこれを用いた背面投射型画像表示装置 |
| NL8600684A (nl) * | 1986-03-18 | 1987-10-16 | Philips Nv | Kompakt doorzichtprojektiesysteem met scheef invallende lichtbundel. |
| NL8801361A (nl) * | 1988-05-27 | 1989-12-18 | Koninkl Philips Electronics Nv | Opzichtprojektiescherm. |
| US5208620A (en) * | 1988-10-04 | 1993-05-04 | Canon Kabushiki Kaisha | Display apparatus |
| US5390050A (en) * | 1988-11-10 | 1995-02-14 | Canon Kabushiki Kaisha | Eccentric Fresnel lens sheet and method of making same |
| JPH0387731A (ja) * | 1988-11-29 | 1991-04-12 | Canon Inc | 画像表示装置 |
| JPH03213841A (ja) * | 1988-11-29 | 1991-09-19 | Canon Inc | 背面投射型スクリーン及び画像表示装置 |
| US6347012B1 (en) | 2000-03-06 | 2002-02-12 | Lockheed Martin Corporation | Display system with improved luminosity |
| DE10207564C1 (de) * | 2002-02-22 | 2003-11-20 | Fraunhofer Ges Forschung | Vorrichtung zur Lichtlenkung aus wenigstens einem teiltransluzentem Flächenmaterial |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2200646A (en) * | 1938-02-28 | 1940-05-14 | John D Strong | Transparent projection screen |
| US3319517A (en) * | 1965-01-18 | 1967-05-16 | Ncr Co | Micro-image storage and retrieval apparatus |
| JPS5084030U (enExample) * | 1973-12-03 | 1975-07-18 |
-
1976
- 1976-11-18 JP JP1976155099U patent/JPS5552417Y2/ja not_active Expired
-
1977
- 1977-11-10 US US05/850,147 patent/US4152047A/en not_active Expired - Lifetime
- 1977-11-14 DE DE2750891A patent/DE2750891C3/de not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3018449A1 (de) * | 1980-05-14 | 1981-11-19 | Dr. Johannes Heidenhain Gmbh, 8225 Traunreut | Projektionsschirmeinrichtung |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5552417Y2 (enExample) | 1980-12-05 |
| DE2750891B2 (de) | 1979-09-20 |
| DE2750891A1 (de) | 1978-05-24 |
| US4152047A (en) | 1979-05-01 |
| JPS5371443U (enExample) | 1978-06-15 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OAP | Request for examination filed | ||
| OD | Request for examination | ||
| C3 | Grant after two publication steps (3rd publication) | ||
| 8339 | Ceased/non-payment of the annual fee |