JPS63187140U - - Google Patents
Info
- Publication number
- JPS63187140U JPS63187140U JP1987074995U JP7499587U JPS63187140U JP S63187140 U JPS63187140 U JP S63187140U JP 1987074995 U JP1987074995 U JP 1987074995U JP 7499587 U JP7499587 U JP 7499587U JP S63187140 U JPS63187140 U JP S63187140U
- Authority
- JP
- Japan
- Prior art keywords
- lens
- fresnel lens
- observation side
- transmission
- cyular
- 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
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Overhead Projectors And Projection Screens (AREA)
Description
第１図は本考案の一実施例を示す構成図、第２
図は背面投射型プロジエクターの一例を示す構成
図、第３図は透過型スクリーンの一例を示す構成
図である。
１は投射型陰極線管、２は投射レンズ、３〜５
はミラー、６は透過型スクリーン、１０は半透明
板、６１はフレネルレンズ、６２はレンチキユラ
ーレンズ、６３は光拡散剤である。
Fig. 1 is a configuration diagram showing one embodiment of the present invention;
The figure is a configuration diagram showing an example of a rear projection type projector, and FIG. 3 is a configuration diagram showing an example of a transmission type screen. 1 is a projection cathode ray tube, 2 is a projection lens, 3 to 5
6 is a mirror, 6 is a transmissive screen, 10 is a semi-transparent plate, 61 is a Fresnel lens, 62 is a lenticular lens, and 63 is a light diffusing agent.
Claims (1)
キユラーレンズ上に形成される画像を上記フレネ
ルレンズ側とは逆側より観察するようにした透過
型スクリーンにおいて、 上記レンチキユラーレンズの上記観察側に上記
観察側が鏡面とされた半透明板を配することを特
徴とする透過型スクリーン。[Claims for Utility Model Registration] A transmission type screen for observing an image formed on a lenticular lens by image light transmitted through a Fresnel lens from a side opposite to the Fresnel lens side, A transmission screen characterized in that a translucent plate having a mirror surface on the observation side is disposed on the observation side of the cyular lens.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987074995U JPS63187140U (en) | 1987-05-19 | 1987-05-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987074995U JPS63187140U (en) | 1987-05-19 | 1987-05-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63187140U true JPS63187140U (en) | 1988-11-30 |
Family
ID=30920734
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987074995U Pending JPS63187140U (en) | 1987-05-19 | 1987-05-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63187140U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56140335A (en) * | 1980-04-04 | 1981-11-02 | Matsushita Electric Ind Co Ltd | Transmission type projecting screen |
-
1987
- 1987-05-19 JP JP1987074995U patent/JPS63187140U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56140335A (en) * | 1980-04-04 | 1981-11-02 | Matsushita Electric Ind Co Ltd | Transmission type projecting screen |