JPH01105934U - - Google Patents
Info
- Publication number
- JPH01105934U JPH01105934U JP1987199679U JP19967987U JPH01105934U JP H01105934 U JPH01105934 U JP H01105934U JP 1987199679 U JP1987199679 U JP 1987199679U JP 19967987 U JP19967987 U JP 19967987U JP H01105934 U JPH01105934 U JP H01105934U
- Authority
- JP
- Japan
- Prior art keywords
- narrow bands
- screen
- center
- video projector
- gaps
- 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
- Overhead Projectors And Projection Screens (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Description
第１図は本考案によるビデオプロジエクタ用ス
クリーンの第１実施例の正面図、第２図はその
―線矢視断面図、第３図はその部分拡大断面図
、第４図は第２実施例の正面図、第５図はその
―線矢視断面図、第６図及び第７図はそれぞれ
従来のスクリーンの断面図である。
２……ビデオプロジエクタ、５……スクリーン
、６ａ〜６ｎ……狭小反射体。
FIG. 1 is a front view of a first embodiment of a screen for a video projector according to the present invention, FIG. 2 is a sectional view taken along the line ``--'', FIG. 3 is a partially enlarged sectional view thereof, and FIG. 4 is a second embodiment of the screen. FIG. 5 is a front view of the example, FIG. 5 is a cross-sectional view taken along the line ``--'', and FIGS. 6 and 7 are cross-sectional views of a conventional screen, respectively. 2...Video projector, 5...Screen, 6a-6n...Narrow reflector.
Claims (1)
り周囲に向かつて規則正しく間隙なく配列させる
と共に、 上記各狭小帯の反射面に、中心寄りに配置され
た狭小帯で小さく周囲に配置された狭小帯ほど大
きな内傾斜角を持たせ、上記多数の狭小帯の厚み
をほぼ同一にして全体で一枚の平板状に形成した
ことを特徴とするビデオプロジエクタ用スクリー
ン。[Claims for Utility Model Registration] A large number of narrow bands whose surfaces are subjected to diffuse reflection treatment are arranged regularly from the center toward the periphery without gaps, and on the reflective surface of each of the above narrow bands, narrow bands are arranged near the center. A screen for a video projector, characterized in that the smaller the narrow bands arranged around the circumference are, the larger the inclination angle is, and the thickness of the plurality of narrow bands is approximately the same, and the entire screen is formed into one flat plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987199679U JPH01105934U (en) | 1987-12-29 | 1987-12-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987199679U JPH01105934U (en) | 1987-12-29 | 1987-12-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01105934U true JPH01105934U (en) | 1989-07-17 |
Family
ID=31490122
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987199679U Pending JPH01105934U (en) | 1987-12-29 | 1987-12-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01105934U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS53111728A (en) * | 1977-03-11 | 1978-09-29 | Canon Inc | Preparation of screen |
-
1987
- 1987-12-29 JP JP1987199679U patent/JPH01105934U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS53111728A (en) * | 1977-03-11 | 1978-09-29 | Canon Inc | Preparation of screen |