JPH0271834U - - Google Patents
Info
- Publication number
- JPH0271834U JPH0271834U JP1988149953U JP14995388U JPH0271834U JP H0271834 U JPH0271834 U JP H0271834U JP 1988149953 U JP1988149953 U JP 1988149953U JP 14995388 U JP14995388 U JP 14995388U JP H0271834 U JPH0271834 U JP H0271834U
- Authority
- JP
- Japan
- Prior art keywords
- type screen
- screen
- lens type
- projection
- back side
- 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
- 241000219739 Lens Species 0.000 claims 5
- 235000014647 Lens culinaris subsp culinaris Nutrition 0.000 claims 1
- 230000004927 fusion Effects 0.000 description 1
Landscapes
- Overhead Projectors And Projection Screens (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
図はその平面図、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図はフ
レネルレンズ型スクリーンの正面図である。
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……融着部、１８……開口部。
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.
4 is a schematic plan view of the projection television device, FIG. 5 is a front view thereof, FIG. 6 is a cross-sectional view of a conventional projection screen, and FIG. 7 is a Fresnel lens type screen. FIG. DESCRIPTION OF SYMBOLS 1... Projection television device, 10... Projection screen, 12... Fresnel lens type screen, 12a... Fresnel surface, 14... Wrench killer lens type screen, 14a, 14b... Wrench surface, 16... Fusion part, 18...Opening part.
Claims (1)
ンが、その裏面側にフレネルレンズ型のスクリー
ンが配されて投写型スクリーンが構成されると共
に、 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とが負圧状態で合体されて
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 is constructed by arranging a lentil killer lens type screen on the image projection surface and a Fresnel lens type screen on the back side thereof, and the above lenticiler lens type screen and Fresnel lens type screen are arranged on the back side thereof. A projection screen characterized by being combined with a lens-type screen under negative pressure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988149953U JPH0271834U (en) | 1988-11-17 | 1988-11-17 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988149953U JPH0271834U (en) | 1988-11-17 | 1988-11-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0271834U true JPH0271834U (en) | 1990-05-31 |
Family
ID=31422653
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988149953U Pending JPH0271834U (en) | 1988-11-17 | 1988-11-17 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0271834U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62134637A (en) * | 1985-12-09 | 1987-06-17 | Nec Home Electronics Ltd | Screen for projection television |
-
1988
- 1988-11-17 JP JP1988149953U patent/JPH0271834U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62134637A (en) * | 1985-12-09 | 1987-06-17 | Nec Home Electronics Ltd | Screen for projection television |