JPS644428U - - Google Patents
Info
- Publication number
- JPS644428U JPS644428U JP9833287U JP9833287U JPS644428U JP S644428 U JPS644428 U JP S644428U JP 9833287 U JP9833287 U JP 9833287U JP 9833287 U JP9833287 U JP 9833287U JP S644428 U JPS644428 U JP S644428U
- Authority
- JP
- Japan
- Prior art keywords
- screen
- curvature
- transmission
- utility
- model registration
- 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 5
- 230000005540 biological transmission Effects 0.000 claims 3
- 229920003002 synthetic resin Polymers 0.000 claims 1
- 239000000057 synthetic resin Substances 0.000 claims 1
Landscapes
- Overhead Projectors And Projection Screens (AREA)
- Transforming Electric Information Into Light Information (AREA)
Description
第１図および第２図は本考案の実施例を示す断
面図、第３図および第４図は本考案に用いるスク
リーン基材の実施例を示す斜視図である。
１，１１，１２，１３……スクリーン基材、２
……フレーム、３……枠部材。
FIGS. 1 and 2 are cross-sectional views showing an embodiment of the present invention, and FIGS. 3 and 4 are perspective views showing an embodiment of the screen base material used in the present invention. 1, 11, 12, 13...Screen base material, 2
...Frame, 3...Frame member.
Claims (1)
着して固定される透過型スクリーンであつて、上
記各スクリーン基材相互の界面の曲率が同じよう
に湾曲され、かつその曲率の向きが観察側に凹と
なるように予め賦形されていて、しかも互いが密
接するようにして平坦な枠溝内に、観察側が凹の
状態を保つて強制的に支持されていることを特徴
とする透過型スクリーン。 ２ ４５インチサイズの透過型スクリーンにおい
て、スクリーン基材の最小曲率におけるたわみ量
が５〜１５mmであることを特徴とする実用新案登
録請求の範囲第１項記載の透過型スクリーン。[Claims for Utility Model Registration] 1. A transmission type screen in which two or more synthetic resin screen base materials are closely fixed, and the curvature of the interface between each of the screen base materials is curved in the same way. , and are shaped in advance so that the direction of the curvature is concave toward the viewing side, and are forcibly supported in a flat frame groove so that they are in close contact with each other, with the viewing side maintaining a concave state. A transparent screen characterized by: 2. The transmission screen according to claim 1 of the utility model registration, characterized in that in the transmission screen of 45-inch size, the amount of deflection at the minimum curvature of the screen base material is 5 to 15 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9833287U JPS644428U (en) | 1987-06-26 | 1987-06-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9833287U JPS644428U (en) | 1987-06-26 | 1987-06-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS644428U true JPS644428U (en) | 1989-01-11 |
Family
ID=31324498
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9833287U Pending JPS644428U (en) | 1987-06-26 | 1987-06-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS644428U (en) |
-
1987
- 1987-06-26 JP JP9833287U patent/JPS644428U/ja active Pending
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