JPH0167632U - - Google Patents
Info
- Publication number
- JPH0167632U JPH0167632U JP1988019580U JP1958088U JPH0167632U JP H0167632 U JPH0167632 U JP H0167632U JP 1988019580 U JP1988019580 U JP 1988019580U JP 1958088 U JP1958088 U JP 1958088U JP H0167632 U JPH0167632 U JP H0167632U
- Authority
- JP
- Japan
- Prior art keywords
- screen
- projection device
- light incident
- aggregate
- optical fibers
- 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
- 239000000463 material Substances 0.000 claims description 3
- 239000013307 optical fiber Substances 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 4
Landscapes
- Overhead Projectors And Projection Screens (AREA)
Description
第１図は本考案の第１の具体的実施例を示す投
影装置の透過型スクリーン構造図、第２図は本考
案の第２の具体的実施例を示す投影装置の透過型
スクリーン構造図、第３図乃至第５図は従来の技
術の説明に供する図、第６図は従来の投影装置の
透過型スクリーン構造図である。
１……投影機、２……透過型スクリーン（スク
リーン）、６……光調整部（光フアイバーの集積
体）、７……光調整部（偏光材）。
FIG. 1 is a structural diagram of a transmissive screen of a projection device showing a first specific embodiment of the present invention, FIG. 2 is a structural diagram of a transmissive screen of a projection device showing a second specific embodiment of the present invention, 3 to 5 are diagrams used to explain the conventional technology, and FIG. 6 is a diagram showing the structure of a transmission screen of a conventional projection apparatus. 1...Projector, 2...Transmissive screen (screen), 6...Light adjustment section (aggregate of optical fibers), 7...Light adjustment section (polarizing material).
Claims (1)
す投影装置の透過型スクリーン構造において、前
記スクリーンに入射する光の向きを全てスクリー
ン面に対し法線方向に向ける構造から成る光調整
部を光フアイバーの集積体で構成し、該光フアイ
バーの集積体をスクリーン裏面に設けた事を特徴
とする投影装置の透過型スクリーン構造。 (2) 請求項１の投影装置の透過型スクリーン構
造において、前記光調整部を偏光材で構成し、該
偏光材をスクリーン前面に設けてスクリーンに入
射する光の中から直角成分のみを取出すようにし
た事を特徴とする投影装置の透過型スクリーン構
造。[Claims for Utility Model Registration] (1) In a transmission type screen structure of a projection device that transmits and projects image light incident from the back surface, all the light incident on the screen is directed in the normal direction to the screen surface. 1. A transmissive screen structure for a projection apparatus, characterized in that a light adjusting section consisting of a structure is composed of an aggregate of optical fibers, and the aggregate of optical fibers is provided on the back surface of the screen. (2) In the transmission type screen structure of the projection device according to claim 1, the light adjustment section is made of a polarizing material, and the polarizing material is provided in front of the screen so that only the right angle component is extracted from the light incident on the screen. A transparent screen structure for a projection device characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988019580U JPH0167632U (en) | 1987-06-29 | 1988-02-17 |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9986187 | 1987-06-29 | ||
| JP1988019580U JPH0167632U (en) | 1987-06-29 | 1988-02-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0167632U true JPH0167632U (en) | 1989-05-01 |
Family
ID=31717421
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988019580U Pending JPH0167632U (en) | 1987-06-29 | 1988-02-17 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0167632U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5036568A (en) * | 1973-08-03 | 1975-04-05 | ||
| JPS57114131A (en) * | 1981-01-07 | 1982-07-15 | Toshiba Corp | Transmission type screen |
-
1988
- 1988-02-17 JP JP1988019580U patent/JPH0167632U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5036568A (en) * | 1973-08-03 | 1975-04-05 | ||
| JPS57114131A (en) * | 1981-01-07 | 1982-07-15 | Toshiba Corp | Transmission type screen |