JPH032340U - - Google Patents
Info
- Publication number
- JPH032340U JPH032340U JP6044489U JP6044489U JPH032340U JP H032340 U JPH032340 U JP H032340U JP 6044489 U JP6044489 U JP 6044489U JP 6044489 U JP6044489 U JP 6044489U JP H032340 U JPH032340 U JP H032340U
- Authority
- JP
- Japan
- Prior art keywords
- discharge lamp
- arc
- bulb
- lens system
- concave mirror
- 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 description 4
- 239000002184 metal Substances 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
- 229910052753 mercury Inorganic materials 0.000 description 1
Landscapes
- Light Sources And Details Of Projection-Printing Devices (AREA)
Description
第１図は、本考案光学装置の要部の説明図であ
る。
図において、１……高圧水銀灯、２……陽極、
３……陰極、４……凹面鏡、５……レンズ系、６
……排気チツプ、Ｐ……陰極輝点、Ｘ……光軸を
示す。
FIG. 1 is an explanatory diagram of the main parts of the optical device of the present invention. In the figure, 1... high pressure mercury lamp, 2... anode,
3... Cathode, 4... Concave mirror, 5... Lens system, 6
... Exhaust chip, P ... Cathode bright spot, X ... Optical axis.
Claims (1)
電灯のアーク方向とその光軸が直行関係になるよ
うに配置した凹面鏡と、この放電灯と凹面鏡から
来る光を取込むレンズ系とを含み、 該金属蒸気放電灯のバルブに設けられた排気チ
ツプが、アークの輝度の一番高い位置から該レン
ズ系の光の取込む径を臨む角度θ１より大きく、
該バルブにおいてアークの輝度の一番高い位置か
らその直射光を受ける範囲の角度θ２より小さい
範囲の該バルブの区域に設けられてなる光学装置
。[Claim for Utility Model Registration] A short arc metal vapor discharge lamp, a concave mirror arranged so that the arc direction of this discharge lamp and its optical axis are perpendicular, and light coming from this discharge lamp and concave mirror is captured. and a lens system, the exhaust chip provided on the bulb of the metal vapor discharge lamp has an angle θ greater than 1 when facing the diameter of the light taken in by the lens system from the position of the highest brightness of the arc;
An optical device provided in an area of the bulb that is smaller than the angle θ 2 of the range that receives direct light from the position of the highest arc brightness in the bulb.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6044489U JPH032340U (en) | 1989-05-26 | 1989-05-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6044489U JPH032340U (en) | 1989-05-26 | 1989-05-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH032340U true JPH032340U (en) | 1991-01-10 |
Family
ID=31587813
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6044489U Pending JPH032340U (en) | 1989-05-26 | 1989-05-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH032340U (en) |
-
1989
- 1989-05-26 JP JP6044489U patent/JPH032340U/ja active Pending
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