JPH0221681U - - Google Patents
Info
- Publication number
- JPH0221681U JPH0221681U JP9971888U JP9971888U JPH0221681U JP H0221681 U JPH0221681 U JP H0221681U JP 9971888 U JP9971888 U JP 9971888U JP 9971888 U JP9971888 U JP 9971888U JP H0221681 U JPH0221681 U JP H0221681U
- Authority
- JP
- Japan
- Prior art keywords
- light source
- lens
- elliptical
- linear light
- reflecting surface
- 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
- 229910052736 halogen Inorganic materials 0.000 claims 1
- 150000002367 halogens Chemical class 0.000 claims 1
- 229910001507 metal halide Inorganic materials 0.000 claims 1
- 150000005309 metal halides Chemical class 0.000 claims 1
Landscapes
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Description
第１図および第２図はそれぞれ本考案に係る光
源装置の一例を示す説明用正面図および平面図で
ある。
１０……線状光源、２０……楕円反射鏡、２１
……反射面、２２……一端開口、３０……集光性
レンズ、４０……発散性レンズ、５０……液晶画
面、６０……投影レンズ系、７０……スクリーン
。
FIG. 1 and FIG. 2 are an explanatory front view and a plan view, respectively, showing an example of a light source device according to the present invention. 10... Linear light source, 20... Elliptical reflector, 21
. . . Reflective surface, 22 . . . One end aperture, 30 . . . Condensing lens, 40 .
Claims (1)
、この楕円反射鏡の反射面の第１焦線上に配置さ
れた線状光源と、前記楕円反射鏡の前方に配設さ
れたレンズ系とを備えてなり、 前記レンズ系は、前記線状光源の長手方向に広
がる光を平行化する集光性レンズと、前記楕円反
射鏡の反射面で反射されて当該反射面の第２焦線
に向かう光を平行化する発散性レンズとを有する
ことを特徴とする光源装置。 (2) 集光性レンズが凸のシリンドリカルレンズ
であり、発散性レンズが凹のシリンドリカルレン
ズであることを特徴とする請求項１に記載の光源
装置。 (3) 線状光源が、ハロゲンランプまたはメタル
ハライドランプであることを特徴とする請求項１
または２に記載の光源装置。[Claims for Utility Model Registration] (1) An elliptical reflecting mirror having an elliptical cylindrical reflecting surface, a linear light source disposed on the first focal line of the reflecting surface of the elliptical reflecting mirror, and the elliptical reflecting mirror. a lens system disposed in front of the linear light source; the lens system includes a condensing lens that collimates the light spreading in the longitudinal direction of the linear light source; and a diverging lens that collimates light directed toward the second focal line of the reflecting surface. (2) The light source device according to claim 1, wherein the condensing lens is a convex cylindrical lens, and the diverging lens is a concave cylindrical lens. (3) Claim 1, characterized in that the linear light source is a halogen lamp or a metal halide lamp.
Or the light source device according to 2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9971888U JPH0221681U (en) | 1988-07-29 | 1988-07-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9971888U JPH0221681U (en) | 1988-07-29 | 1988-07-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0221681U true JPH0221681U (en) | 1990-02-14 |
Family
ID=31327141
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9971888U Pending JPH0221681U (en) | 1988-07-29 | 1988-07-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0221681U (en) |
-
1988
- 1988-07-29 JP JP9971888U patent/JPH0221681U/ja active Pending
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