JPH0420033U - - Google Patents
Info
- Publication number
- JPH0420033U JPH0420033U JP1990062355U JP6235590U JPH0420033U JP H0420033 U JPH0420033 U JP H0420033U JP 1990062355 U JP1990062355 U JP 1990062355U JP 6235590 U JP6235590 U JP 6235590U JP H0420033 U JPH0420033 U JP H0420033U
- Authority
- JP
- Japan
- Prior art keywords
- screen
- view
- projection
- state
- showing
- 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
- Overhead Projectors And Projection Screens (AREA)
Description
第１図ないし第５図は本考案による投影用スク
リーンの一実施例を示す図であり、第１図は投影
用スクリーンの正面図、第２図はその断面図、第
３図は張設枠への張設状態の斜視図、第４図はそ
の折畳み状態の斜視図、第５図はケースへの収納
状態の斜視図、第６図ないし第８図は本考案の他
の実施例を示す図であり、第６図は円形のスクリ
ーン枠への張設状態を示す正面図、第７図はスク
リーン枠をひねつて縮径させるよう折畳んだ状態
を示す正面図、第８図は折り畳んでケースへ収納
した状態を示す斜視図、第９図および第１０図は
投影装置としてのオーバーヘツドプロジエクタの
各例の斜視図、第１１図は従来の投影用スクリー
ンの折畳み状態の斜視図、第１２図はその折り癖
の状態を示す正面図である。
１……投影用スクリーン、２……基材層、３…
…ゴム層、４……折り目、６０，７０……オーバ
ーヘツドプロジエクタ（投影装置）。
1 to 5 are diagrams showing an embodiment of the projection screen according to the present invention, in which FIG. 1 is a front view of the projection screen, FIG. 2 is a sectional view thereof, and FIG. 3 is a tension frame. FIG. 4 is a perspective view of the folded state, FIG. 5 is a perspective view of the case stored in the case, and FIGS. 6 to 8 show other embodiments of the present invention. Fig. 6 is a front view showing the state in which the screen frame is stretched over a circular screen frame, Fig. 7 is a front view showing the state in which the screen frame is twisted and folded to reduce its diameter, and Fig. 8 is a front view showing the state in which the screen frame is folded to reduce its diameter. 9 and 10 are perspective views of each example of an overhead projector as a projection device. FIG. 11 is a perspective view of a conventional projection screen in a folded state. FIG. 12 is a front view showing the state of the fold. 1... Projection screen, 2... Base material layer, 3...
...Rubber layer, 4...Fold line, 60, 70...Overhead projector (projection device).
Claims (1)
開および折り畳み自在なスクリーンであつて、こ
の表面に周期性のない方向性を有する細かな折り
目が多数形成されていることを特徴とする投影用
スクリーン。 A projection screen that is used for image projection from a projection device and is expandable and foldable, and is characterized in that a large number of fine folds with non-periodic directionality are formed on the surface of the screen. .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990062355U JPH0420033U (en) | 1990-06-13 | 1990-06-13 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990062355U JPH0420033U (en) | 1990-06-13 | 1990-06-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0420033U true JPH0420033U (en) | 1992-02-19 |
Family
ID=31591428
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990062355U Pending JPH0420033U (en) | 1990-06-13 | 1990-06-13 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0420033U (en) |
-
1990
- 1990-06-13 JP JP1990062355U patent/JPH0420033U/ja active Pending
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