JPH0420034U - - Google Patents
Info
- Publication number
- JPH0420034U JPH0420034U JP1990061819U JP6181990U JPH0420034U JP H0420034 U JPH0420034 U JP H0420034U JP 1990061819 U JP1990061819 U JP 1990061819U JP 6181990 U JP6181990 U JP 6181990U JP H0420034 U JPH0420034 U JP H0420034U
- Authority
- JP
- Japan
- Prior art keywords
- projection screen
- forming device
- screen forming
- mixture
- nozzle units
- 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.)
- Granted
Links
- 239000000203 mixture Substances 0.000 claims description 4
- 238000002347 injection Methods 0.000 claims 1
- 239000007924 injection Substances 0.000 claims 1
- 239000007921 spray Substances 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Special Spraying Apparatus (AREA)
- Overhead Projectors And Projection Screens (AREA)
Description
第１図は本考案に係る映写幕の形成装置の第１
実施例を示す斜視図、第２図は本考案に係る映写
幕の形成装置の説明図、第３図は本考案に係る映
写幕の形成装置の第２実施例を示す斜視図、第４
図は従来の映写幕の形成装置の実施例を示す断面
図、第５図は第４図に於ける−線上に沿う断
面図である。
１０……ノズル、１２……ノズルユニツト、１
８……映写幕形成空間、２０……映写幕、４３…
…映像、４４ａ，４４ｂ，４４ｃ，４４ｄ，４４
ｅ，４４ｆ……ノズルユニツト、４６ａ，４６ｂ
，４６ｃ，４６ｄ，４４ｅ，４６ｆ……バルブ、
５０……混合気製造供給装置、５４……制御装置
。
Figure 1 shows the first part of the projection screen forming device according to the present invention.
FIG. 2 is an explanatory diagram of a projection screen forming apparatus according to the present invention; FIG. 3 is a perspective view showing a second embodiment of the projection screen forming apparatus according to the present invention; FIG.
The figure is a sectional view showing an embodiment of a conventional projection screen forming apparatus, and FIG. 5 is a sectional view taken along the - line in FIG. 4. 10... Nozzle, 12... Nozzle unit, 1
8...Projection screen forming space, 20...Projection screen, 43...
...Video, 44a, 44b, 44c, 44d, 44
e, 44f... Nozzle unit, 46a, 46b
, 46c, 46d, 44e, 46f... valve,
50... Mixture production and supply device, 54... Control device.
Claims (1)
して霧状の映写幕を形成する映写幕の形成装置に
於いて、 前記複数のノズルを直線状に配列して長尺状の
ノズルユニツトを構成し、このノズルユニツトを
放射状に配置したことを特徴とする映写幕の形成
装置。 (2) 前記複数本のノズルユニツト毎に前記混合
気の供給、停止を行うバルブを取付け、このバル
ブにバルブの開閉を制御する制御装置を設けてノ
ズルユニツト毎に混合気の噴射を制御することを
特徴とする請求項(1)記載の映写幕の形成装置。 (3) 前記映写幕に画像光を投影する映写機が移
動可能に設置されたことを特徴とする請求項(2)
記載の映写幕の形成装置。[Claims for Utility Model Registration] (1) In a projection screen forming device that sprays a mixture of water and air from a plurality of nozzles to form a fog-like projection screen, the plurality of nozzles are arranged in a straight line. 1. A projection screen forming device characterized in that long nozzle units are arranged and the nozzle units are arranged radially. (2) A valve for supplying and stopping the mixture is installed in each of the plurality of nozzle units, and a control device for controlling opening and closing of the valve is provided to control the injection of the mixture for each nozzle unit. The projection screen forming device according to claim (1), characterized in that: (3) Claim (2) characterized in that a projector for projecting image light onto the projection screen is movably installed.
The projection screen forming device described above.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990061819U JP2501902Y2 (en) | 1990-06-12 | 1990-06-12 | Projection screen forming device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990061819U JP2501902Y2 (en) | 1990-06-12 | 1990-06-12 | Projection screen forming device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0420034U true JPH0420034U (en) | 1992-02-19 |
| JP2501902Y2 JP2501902Y2 (en) | 1996-06-19 |
Family
ID=31590406
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990061819U Expired - Lifetime JP2501902Y2 (en) | 1990-06-12 | 1990-06-12 | Projection screen forming device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2501902Y2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4651085B2 (en) * | 2005-03-03 | 2011-03-16 | Ｋｄｄｉ株式会社 | Projection device |
-
1990
- 1990-06-12 JP JP1990061819U patent/JP2501902Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JP2501902Y2 (en) | 1996-06-19 |
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