JPS4830929A - - Google Patents
Info
- Publication number
- JPS4830929A JPS4830929A JP47084175A JP8417572A JPS4830929A JP S4830929 A JPS4830929 A JP S4830929A JP 47084175 A JP47084175 A JP 47084175A JP 8417572 A JP8417572 A JP 8417572A JP S4830929 A JPS4830929 A JP S4830929A
- Authority
- JP
- Japan
- 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.)
- Pending
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
-
- 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
- G03B21/10—Projectors with built-in or built-on screen
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Projection Apparatus (AREA)
- Overhead Projectors And Projection Screens (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US17437371A | 1971-08-24 | 1971-08-24 | |
| US17446171A | 1971-08-24 | 1971-08-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS4830929A true JPS4830929A (de) | 1973-04-23 |
Family
ID=26870149
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP47084175A Pending JPS4830929A (de) | 1971-08-24 | 1972-08-24 |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JPS4830929A (de) |
| DE (1) | DE2238466A1 (de) |
| FR (1) | FR2151328A5 (de) |
| GB (1) | GB1366416A (de) |
| IT (1) | IT962203B (de) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56117743U (de) * | 1980-02-08 | 1981-09-09 | ||
| JPS5846336A (ja) * | 1981-09-14 | 1983-03-17 | Mitsubishi Rayon Co Ltd | 透過型スクリ−ン |
| JPS5865427A (ja) * | 1981-10-14 | 1983-04-19 | Matsushita Electric Ind Co Ltd | スクリ−ン |
| JPS5923334A (ja) * | 1982-07-29 | 1984-02-06 | Victor Co Of Japan Ltd | 透過式スクリ−ン |
| JPS5995525A (ja) * | 1982-11-24 | 1984-06-01 | Mitsubishi Rayon Co Ltd | 背面投影スクリ−ン |
| US5311910A (en) * | 1991-02-20 | 1994-05-17 | Kabushiki Kaisha Showa Seisakusho | Cap attachment structure for accumulator |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4147408A (en) * | 1976-12-23 | 1979-04-03 | Polaroid Corporation | Back projection viewing screen |
| US4171881A (en) * | 1978-01-30 | 1979-10-23 | Gaf Corporation | Hand held motion picture viewer |
| 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 |
| DE3150135A1 (de) * | 1981-12-18 | 1983-06-30 | Homann, Jochen, 4030 Ratingen | Vorrichtung fuer werbe- und/oder informationszwecke |
| NL8600184A (nl) * | 1986-01-28 | 1987-08-17 | Philips Nv | Doorzichtprojektiesysteem. |
-
1972
- 1972-08-04 DE DE2238466A patent/DE2238466A1/de not_active Withdrawn
- 1972-08-09 GB GB3719172A patent/GB1366416A/en not_active Expired
- 1972-08-21 FR FR7229808A patent/FR2151328A5/fr not_active Expired
- 1972-08-23 IT IT52323/72A patent/IT962203B/it active
- 1972-08-24 JP JP47084175A patent/JPS4830929A/ja active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56117743U (de) * | 1980-02-08 | 1981-09-09 | ||
| JPS6347866Y2 (de) * | 1980-02-08 | 1988-12-09 | ||
| JPS5846336A (ja) * | 1981-09-14 | 1983-03-17 | Mitsubishi Rayon Co Ltd | 透過型スクリ−ン |
| JPS5865427A (ja) * | 1981-10-14 | 1983-04-19 | Matsushita Electric Ind Co Ltd | スクリ−ン |
| JPS5923334A (ja) * | 1982-07-29 | 1984-02-06 | Victor Co Of Japan Ltd | 透過式スクリ−ン |
| JPS5995525A (ja) * | 1982-11-24 | 1984-06-01 | Mitsubishi Rayon Co Ltd | 背面投影スクリ−ン |
| JPH0372972B2 (de) * | 1982-11-24 | 1991-11-20 | Mitsubishi Rayon Co | |
| US5311910A (en) * | 1991-02-20 | 1994-05-17 | Kabushiki Kaisha Showa Seisakusho | Cap attachment structure for accumulator |
Also Published As
| Publication number | Publication date |
|---|---|
| DE2238466A1 (de) | 1973-03-08 |
| IT962203B (it) | 1973-12-20 |
| FR2151328A5 (de) | 1973-04-13 |
| GB1366416A (en) | 1974-09-11 |