JPH0251346U - - Google Patents
Info
- Publication number
- JPH0251346U JPH0251346U JP1988129332U JP12933288U JPH0251346U JP H0251346 U JPH0251346 U JP H0251346U JP 1988129332 U JP1988129332 U JP 1988129332U JP 12933288 U JP12933288 U JP 12933288U JP H0251346 U JPH0251346 U JP H0251346U
- Authority
- JP
- Japan
- Prior art keywords
- lens type
- screen
- type screen
- projection
- view
- 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
- 125000006850 spacer group Chemical group 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims 1
Landscapes
- Overhead Projectors And Projection Screens (AREA)
- Transforming Electric Information Into Light Information (AREA)
Description
第１図はこの考案に係る投写型スクリーンの一
例を示す斜視図、第２図はその分解斜視図、第３
図はその一部の横断面図、第４図は投写型テレビ
ジヨン装置の概略平面図、第５図はその正面図、
第６図は従来の投写型スクリーンの横断面図、第
７図は投写型スクリーンの正面図、第８図はその
一部の拡大正面図である。
１……投写型テレビジヨン装置、１０……投写
型スクリーン、１２……フレネルレンズ型スクリ
ーン、１２ａ……フレネル面、１４……レンチキ
ラーレンズ型スクリーン、１４ａ，１４ｂ……レ
ンチ面、１６……スペーサ、１６ａ〜１６ｄ……
スペーサ用部材、２１……ＣＲＴ、２３……反射
ミラー。
Fig. 1 is a perspective view showing an example of a projection screen according to this invention, Fig. 2 is an exploded perspective view thereof, and Fig. 3 is an exploded perspective view of the projection screen.
The figure is a cross-sectional view of a part thereof, FIG. 4 is a schematic plan view of the projection television apparatus, and FIG. 5 is a front view thereof.
FIG. 6 is a cross-sectional view of a conventional projection screen, FIG. 7 is a front view of the projection screen, and FIG. 8 is an enlarged front view of a portion thereof. DESCRIPTION OF SYMBOLS 1... Projection television device, 10... Projection screen, 12... Fresnel lens type screen, 12a... Fresnel surface, 14... Wrenchkiller lens type screen, 14a, 14b... Wrench surface, 16... Spacer, 16a to 16d...
Spacer member, 21...CRT, 23...Reflection mirror.
Claims (1)
ンが、その裏面側にフレネルレンズ型のスクリー
ンが使用された投写型スクリーンにおいて、 その周辺部に所定の厚みと幅をもつたスペーサ
を介して、上記レンチキラーレンズ型スクリーン
とフレネルレンズ型スクリーンが積層合体されて
なることを特徴とする投写型スクリーン。[Scope of Claim for Utility Model Registration] A projection screen in which a lenticular lens type screen is used on the image projection surface and a Fresnel lens type screen is used on the back side, and the peripheral part thereof has a predetermined thickness and width. A projection screen characterized in that the Wrenchkiller lens type screen and the Fresnel lens type screen are laminated together via a spacer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988129332U JPH0251346U (en) | 1988-09-30 | 1988-09-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988129332U JPH0251346U (en) | 1988-09-30 | 1988-09-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0251346U true JPH0251346U (en) | 1990-04-11 |
Family
ID=31383513
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988129332U Pending JPH0251346U (en) | 1988-09-30 | 1988-09-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0251346U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04159529A (en) * | 1990-10-24 | 1992-06-02 | Toppan Printing Co Ltd | Three-dimensional image display device |
-
1988
- 1988-09-30 JP JP1988129332U patent/JPH0251346U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04159529A (en) * | 1990-10-24 | 1992-06-02 | Toppan Printing Co Ltd | Three-dimensional image display device |