JPH0358634U - - Google Patents
Info
- Publication number
- JPH0358634U JPH0358634U JP1989119109U JP11910989U JPH0358634U JP H0358634 U JPH0358634 U JP H0358634U JP 1989119109 U JP1989119109 U JP 1989119109U JP 11910989 U JP11910989 U JP 11910989U JP H0358634 U JPH0358634 U JP H0358634U
- Authority
- JP
- Japan
- Prior art keywords
- fountain
- projection screen
- water curtain
- curved
- forming device
- 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
Landscapes
- Special Spraying Apparatus (AREA)
- Overhead Projectors And Projection Screens (AREA)
Description
第１図は本考案の一実施例を示す概略斜視図、
第２図は噴水管を下から見た平面図、第３図は映
写スクリーンを示す側面図、第４図は他の実施例
を示す側面図である。
図中、１は噴水管、２は映写スクリーン、３は
噴水ノズルである。
FIG. 1 is a schematic perspective view showing an embodiment of the present invention;
FIG. 2 is a plan view of the fountain pipe viewed from below, FIG. 3 is a side view of the projection screen, and FIG. 4 is a side view of another embodiment. In the figure, 1 is a fountain pipe, 2 is a projection screen, and 3 is a fountain nozzle.
Claims (1)
噴水ノズルを有する噴水管を備えた映写スクリー
ン用水幕形成装置において、上記映写スクリーン
を凹面状に形成すべく上記噴水管を湾曲させると
共に、上記噴水ノズルの噴水方向を斜め方向に向
けて形成したことを特徴とする映写スクリーン用
水幕形成装置。 In a water curtain forming device for a projection screen comprising a fountain pipe having a large number of fountain nozzles that form a projection screen with a water curtain, the fountain pipe is curved to form the projection screen in a concave shape, and the fountain nozzle is curved to form the projection screen in a concave shape. 1. A water curtain forming device for a projection screen, characterized in that the fountain is formed with the fountain directed in an oblique direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989119109U JPH0358634U (en) | 1989-10-13 | 1989-10-13 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989119109U JPH0358634U (en) | 1989-10-13 | 1989-10-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0358634U true JPH0358634U (en) | 1991-06-07 |
Family
ID=31667249
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1989119109U Pending JPH0358634U (en) | 1989-10-13 | 1989-10-13 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0358634U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7732046B2 (en) | 2003-11-14 | 2010-06-08 | 3M Innovative Properties Company | Water contact indicator |
-
1989
- 1989-10-13 JP JP1989119109U patent/JPH0358634U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7732046B2 (en) | 2003-11-14 | 2010-06-08 | 3M Innovative Properties Company | Water contact indicator |