JPS61114432U - - Google Patents
Info
- Publication number
- JPS61114432U JPS61114432U JP19922084U JP19922084U JPS61114432U JP S61114432 U JPS61114432 U JP S61114432U JP 19922084 U JP19922084 U JP 19922084U JP 19922084 U JP19922084 U JP 19922084U JP S61114432 U JPS61114432 U JP S61114432U
- Authority
- JP
- Japan
- Prior art keywords
- base material
- projection
- parabolic screen
- aluminum foil
- pasted
- 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.)
- Pending
Links
- 239000000463 material Substances 0.000 claims description 9
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 2
- 229910052782 aluminium Inorganic materials 0.000 claims description 2
- 239000011888 foil Substances 0.000 claims description 2
- 229920002522 Wood fibre Polymers 0.000 claims 1
- 239000002025 wood fiber Substances 0.000 claims 1
- 230000002093 peripheral effect Effects 0.000 description 1
Landscapes
- Overhead Projectors And Projection Screens (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19922084U JPS61114432U (de) | 1984-12-28 | 1984-12-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19922084U JPS61114432U (de) | 1984-12-28 | 1984-12-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61114432U true JPS61114432U (de) | 1986-07-19 |
Family
ID=30758940
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19922084U Pending JPS61114432U (de) | 1984-12-28 | 1984-12-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61114432U (de) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5518642A (en) * | 1978-07-27 | 1980-02-08 | Janome Seiki Kk | Production of high illuminance concave screen |
| JPS58112739A (ja) * | 1981-12-25 | 1983-07-05 | 三菱電機株式会社 | 投影スクリ−ンの製造方法 |
-
1984
- 1984-12-28 JP JP19922084U patent/JPS61114432U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5518642A (en) * | 1978-07-27 | 1980-02-08 | Janome Seiki Kk | Production of high illuminance concave screen |
| JPS58112739A (ja) * | 1981-12-25 | 1983-07-05 | 三菱電機株式会社 | 投影スクリ−ンの製造方法 |