JPS58138471U - video projector - Google Patents
video projectorInfo
- Publication number
- JPS58138471U JPS58138471U JP3261082U JP3261082U JPS58138471U JP S58138471 U JPS58138471 U JP S58138471U JP 3261082 U JP3261082 U JP 3261082U JP 3261082 U JP3261082 U JP 3261082U JP S58138471 U JPS58138471 U JP S58138471U
- Authority
- JP
- Japan
- Prior art keywords
- video projector
- plane mirror
- screen
- plane
- projection lens
- 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
- Transforming Electric Information Into Light Information (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
第１図は従来の背面投写用ビデオプロジェクタ−の縦断
面図、第２図は本考案の同じくビデオプロジェクタ−の
縦断面図である。
２・・・拡大投写レンズ、３． ４． ７． ８・・・
平面ミラー、５・・・透過形スクリーン、９ｏ１，９Ｌ
２・・・下限光線、９Ｕ１，９Ｕ２，９Ｕ３・・・上限
光線。FIG. 1 is a vertical sectional view of a conventional rear projection video projector, and FIG. 2 is a vertical sectional view of the same video projector of the present invention. 2... Magnifying projection lens, 3. 4. 7. 8...
Plane mirror, 5... Transmissive screen, 9o1, 9L
2... Lower limit ray, 9U1, 9U2, 9U3... Upper limit ray.
Claims (1)
拡大投写用レンズの内に設け、他の１枚の平面ミラーは
、この平面ミラーの一端がスクリーン上端よりも高い所
に位置する様に配置し、他の１枚の平面ミラーは、この
平面ミラーの両端がスクリーンの下端と上端の高さの間
に位置する様に配置した事を特徴としたビデオプロジェ
クタ−０Three plane mirrors are used, one of which is placed inside the enlarged projection lens, and one end of the other plane mirror is located higher than the top of the screen. A video projector-0 characterized in that the other plane mirror is arranged so that both ends of the plane mirror are located between the heights of the lower and upper ends of the screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3261082U JPS58138471U (en) | 1982-03-10 | 1982-03-10 | video projector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3261082U JPS58138471U (en) | 1982-03-10 | 1982-03-10 | video projector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS58138471U true JPS58138471U (en) | 1983-09-17 |
Family
ID=30044207
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3261082U Pending JPS58138471U (en) | 1982-03-10 | 1982-03-10 | video projector |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58138471U (en) |
-
1982
- 1982-03-10 JP JP3261082U patent/JPS58138471U/en active Pending
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