JPH03129948U - - Google Patents
Info
- Publication number
- JPH03129948U JPH03129948U JP3704690U JP3704690U JPH03129948U JP H03129948 U JPH03129948 U JP H03129948U JP 3704690 U JP3704690 U JP 3704690U JP 3704690 U JP3704690 U JP 3704690U JP H03129948 U JPH03129948 U JP H03129948U
- Authority
- JP
- Japan
- Prior art keywords
- screen plate
- screen
- outer periphery
- flange portion
- sensor
- 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
- 230000003287 optical effect Effects 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 4
Landscapes
- Overhead Projectors And Projection Screens (AREA)
Description
第１図〜第３図は、本考案による映写用スクリ
ーンの実施例を示した図であつて、第１図は正面
図、第２図は第１図のＡ部拡大図、第３図は第２
図のＢ−Ｂ拡大断面図である。第４図〜第７図は
、従来の映写用スクリーンの一例を示した図であ
つて、第４図は正面図、第５図は拡大断面図、第
６図はセンサを示した図、第７図は光源自動調整
装置を示したブロツク図である。第８図、第９図
は、従来の映写用スクリーンのセンサ取付部の他
の例を示した図である。
１……スクリーン、２……支持体、３……テン
シヨン機構、４……センサ取付部、５……光源自
動調節装置、６……光源。
1 to 3 are views showing an embodiment of the projection screen according to the present invention, in which FIG. 1 is a front view, FIG. 2 is an enlarged view of section A in FIG. 1, and FIG. Second
It is a BB enlarged sectional view of a figure. 4 to 7 are diagrams showing an example of a conventional projection screen, in which FIG. 4 is a front view, FIG. 5 is an enlarged sectional view, FIG. 6 is a diagram showing a sensor, and FIG. FIG. 7 is a block diagram showing the automatic light source adjustment device. FIGS. 8 and 9 are diagrams showing other examples of the sensor mounting portion of the conventional projection screen. DESCRIPTION OF SYMBOLS 1... Screen, 2... Support body, 3... Tension mechanism, 4... Sensor mounting part, 5... Light source automatic adjustment device, 6... Light source.
Claims (1)
ン板と、前記スクリーン板のフランジ部を支持す
る支持体とからなる映写用スクリーンであつて、
前記スクリーン板の外周部の一部分にフランジ部
のない切欠部を設け、その切欠部に前記スクリー
ン板面での光学特性を検出するセンサを取り付け
るセンサ取付部を設けたことを特徴とする映写用
スクリーン。 (2) 外周部にフランジ部が設けられたスクリー
ン板と、前記スクリーン板の少なくとも１辺のフ
ランジ部をスライド自在に支持する支持体と、前
記スクリーン板に外方向へ向かう張力を与えるテ
ンシヨン機構とからなる映写用スクリーンであつ
て、前記スクリーン板の外周部の一部分にフラン
ジ部のない切欠部を設け、その切欠部に前記スク
リーン板面での光学特性を検出するセンサを取り
付けるセンサ取付部を設けたことを特徴とする映
写用スクリーン。[Claims for Utility Model Registration] (1) A projection screen comprising a screen plate provided with a flange portion on the outer periphery and a support body supporting the flange portion of the screen plate,
A projection screen characterized in that a cutout without a flange is provided in a part of the outer periphery of the screen plate, and a sensor mounting part is provided in the cutout to attach a sensor for detecting optical characteristics on the surface of the screen plate. . (2) a screen plate provided with a flange portion on its outer periphery; a support body that slidably supports the flange portion on at least one side of the screen plate; and a tension mechanism that applies tension outward to the screen plate. A projection screen comprising: a notch without a flange in a part of the outer periphery of the screen plate, and a sensor mounting part for attaching a sensor for detecting optical characteristics on the screen plate surface to the notch. A projection screen characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3704690U JPH03129948U (en) | 1990-04-06 | 1990-04-06 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3704690U JPH03129948U (en) | 1990-04-06 | 1990-04-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03129948U true JPH03129948U (en) | 1991-12-26 |
Family
ID=31543809
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3704690U Pending JPH03129948U (en) | 1990-04-06 | 1990-04-06 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03129948U (en) |
-
1990
- 1990-04-06 JP JP3704690U patent/JPH03129948U/ja active Pending
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