JPS6090432U - screen - Google Patents
screenInfo
- Publication number
- JPS6090432U JPS6090432U JP18391983U JP18391983U JPS6090432U JP S6090432 U JPS6090432 U JP S6090432U JP 18391983 U JP18391983 U JP 18391983U JP 18391983 U JP18391983 U JP 18391983U JP S6090432 U JPS6090432 U JP S6090432U
- Authority
- JP
- Japan
- Prior art keywords
- screen
- scale
- black frame
- graduations
- occupies
- 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)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
図はこの考案の一実施例を示す正面図である。
１・・・スクリーン、２・・・黒枠、３ａ〜３１・・・
マーク、４・・・縦スケール、５・・・横スケール。The figure is a front view showing an embodiment of this invention. 1...Screen, 2...Black frame, 3a-31...
Mark, 4...vertical scale, 5...horizontal scale.
Claims (1)
色部分の画面を９等分し、それぞれの中心に照度測定位
置を示すマークを付し、また前記画面の適宜部分に４ｗ
ＩＬの目盛をもつ縦スケールと３７ｒｒ！ｎの目盛をも
つ横スケールを付したことを特徴とするスクリーン。A black frame is provided around the outer periphery of the screen, and the white part of the screen that occupies the inside of the black frame is divided into nine equal parts, and a mark indicating the illuminance measurement position is attached to the center of each part.
Vertical scale with IL scale and 37rr! A screen characterized by having a horizontal scale with n graduations.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18391983U JPS6090432U (en) | 1983-11-28 | 1983-11-28 | screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18391983U JPS6090432U (en) | 1983-11-28 | 1983-11-28 | screen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6090432U true JPS6090432U (en) | 1985-06-20 |
Family
ID=30397928
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18391983U Pending JPS6090432U (en) | 1983-11-28 | 1983-11-28 | screen |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6090432U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4918580B1 (en) * | 1970-07-22 | 1974-05-11 |
-
1983
- 1983-11-28 JP JP18391983U patent/JPS6090432U/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4918580B1 (en) * | 1970-07-22 | 1974-05-11 |
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