JPS62195137U - - Google Patents
Info
- Publication number
- JPS62195137U JPS62195137U JP8253986U JP8253986U JPS62195137U JP S62195137 U JPS62195137 U JP S62195137U JP 8253986 U JP8253986 U JP 8253986U JP 8253986 U JP8253986 U JP 8253986U JP S62195137 U JPS62195137 U JP S62195137U
- Authority
- JP
- Japan
- Prior art keywords
- reflecting mirror
- umbrella
- shaped
- parabolic
- parabolic reflector
- 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
- 230000003287 optical effect Effects 0.000 claims 1
- 238000007789 sealing Methods 0.000 description 2
Landscapes
- Instruments For Viewing The Inside Of Hollow Bodies (AREA)
- Light Sources And Details Of Projection-Printing Devices (AREA)
Description
第１図および第２図はそれぞれ本考案に係る反
射型光源装置の第１の実施例および第２の実施例
を示す説明用断面図、第３図は従来の反射型光源
装置を示す説明用断面図、第４図は従来の反射型
光源装置において放射光束の平行度を高くした場
合に生ずる問題点についての説明用断面図である
。
１０……シヨートアークランプ、１１……膨出
部、１２，１３……端部封止部、１４……封体、
１５，１６……電極、２０……放物面反射鏡、２
１……反射面、２３……開口、３０……レンズ系
、４０……被照射面、５０……傘状反射鏡、５１
……反射面、５２……光通過用開口、６０……円
錐状反射鏡、６１……反射面、７０……球面反射
鏡、７１……反射面、７３……開口。
1 and 2 are explanatory sectional views showing a first embodiment and a second embodiment of a reflective light source device according to the present invention, respectively, and FIG. 3 is an explanatory sectional view showing a conventional reflective light source device. FIG. 4 is a cross-sectional view for explaining problems that occur when the parallelism of the emitted light beam is increased in a conventional reflective light source device. 10... short arc lamp, 11... bulge, 12, 13... end sealing part, 14... sealing body,
15, 16...electrode, 20...parabolic reflector, 2
1...Reflecting surface, 23...Aperture, 30...Lens system, 40...Irradiated surface, 50...Umbrella-shaped reflecting mirror, 51
. . . Reflective surface, 52 .
Claims (1)
放物面反射鏡の焦点もしくはその近傍にその輝点
が位置するよう配置されたシヨートアークランプ
と、前記放物面反射鏡の前方に配置された、当該
放物面反射鏡よりの環状の放射光束を当該放物面
反射鏡の光軸に接近する方向に反射させる環状の
反射面を有し、かつその中央部に光通過用開口を
有する傘状反射鏡と、その反射面が前記傘状反射
鏡の反射面に対向するよう配置され、前記傘状反
射鏡よりの光を当該傘状反射鏡の光通過用開口を
通過させるよう反視させる円錐状反射鏡とを具え
てなることを特徴とする反射型光源装置。 a parabolic reflector having an opening at the center bottom; a short arc lamp disposed so that its bright spot is located at or near the focal point of the parabolic reflector; and a short arc lamp disposed in front of the parabolic reflector. has an annular reflecting surface that reflects the annular emitted light beam from the parabolic reflecting mirror in a direction approaching the optical axis of the parabolic reflecting mirror, and has a light passage aperture in the center thereof. an umbrella-shaped reflecting mirror having an umbrella-shaped reflecting mirror, the reflecting surface of which is arranged so as to face the reflecting surface of the umbrella-shaped reflecting mirror, and a reflecting mirror that allows light from the umbrella-shaped reflecting mirror to pass through a light passage opening of the umbrella-shaped reflecting mirror. What is claimed is: 1. A reflective light source device comprising: a conical reflecting mirror that allows the user to see the image;
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8253986U JPS62195137U (en) | 1986-06-02 | 1986-06-02 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8253986U JPS62195137U (en) | 1986-06-02 | 1986-06-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62195137U true JPS62195137U (en) | 1987-12-11 |
Family
ID=30935291
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8253986U Pending JPS62195137U (en) | 1986-06-02 | 1986-06-02 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62195137U (en) |
-
1986
- 1986-06-02 JP JP8253986U patent/JPS62195137U/ja active Pending
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