JPS591046U - Projector floodlight device - Google Patents
Projector floodlight deviceInfo
- Publication number
- JPS591046U JPS591046U JP9378182U JP9378182U JPS591046U JP S591046 U JPS591046 U JP S591046U JP 9378182 U JP9378182 U JP 9378182U JP 9378182 U JP9378182 U JP 9378182U JP S591046 U JPS591046 U JP S591046U
- Authority
- JP
- Japan
- Prior art keywords
- light emitting
- projector
- focal point
- mirror
- filter
- 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
- Microscoopes, Condenser (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図はキセノンランプの分光エネルギー特性図、第２
図は普通ガラスの分光透過率特性図、第３図はガラス製
母材に誘電体物質による薄膜の多層膜を施した赤外線透
過フィルター効果の分光透過率特性図、第４図はアルミ
ニウムの分光反射率特性図、第５図はガラス製母材に誘
電体物質による薄膜の多層膜を施した赤外線反射フィル
ターの分光透過率特性図、第６図は赤外線吸収ガラスの
。
分光透過率特性図、第７図は第５図及び第６図に示した
特性を有するフィルターの組合わせによる分光透過率特
性図、第８図は本考案の実施例を示す光路図、第９図は
第８図に示した複合フィルタ一部分の他の実施例を示す
側面略図である。
図中、１は金属製回転楕円鏡、２は光軸、３はキセノン
ランプ、３ａはその発光部、４は赤外線反射フィルター
、５は赤外線吸収フィルター、６は複合フィールターで
ある。Figure 1 is a spectral energy characteristic diagram of a xenon lamp, Figure 2
The figure is a spectral transmittance characteristic diagram of ordinary glass, Figure 3 is a spectral transmittance characteristic diagram of the infrared transmission filter effect obtained by applying a thin multilayer film made of dielectric material to a glass base material, and Figure 4 is a spectral transmittance characteristic diagram of aluminum. Figure 5 is a spectral transmittance characteristic diagram of an infrared reflective filter with a thin multilayer film made of dielectric material applied to a glass base material, and Figure 6 is a spectral transmittance characteristic diagram of an infrared absorbing glass. A spectral transmittance characteristic diagram; FIG. 7 is a spectral transmittance characteristic diagram of a combination of filters having the characteristics shown in FIGS. 5 and 6; FIG. 8 is an optical path diagram showing an embodiment of the present invention; The figure is a schematic side view showing another embodiment of the part of the composite filter shown in FIG. 8. In the figure, 1 is a metal spheroidal mirror, 2 is an optical axis, 3 is a xenon lamp, 3a is its light emitting part, 4 is an infrared reflection filter, 5 is an infrared absorption filter, and 6 is a composite filter.
Claims (1)
ンランプ等の発光部を設け、ミの発光部からの光線を回
転楕円鏡の第２焦点に集光させることができるようにし
た映写機用投光装置に・おいて、上記回転楕円鏡を金属
製となし、この回転楕円鏡の第２焦点と上記発光部との
間には該発光部からの光線の光路に対向させて赤外線反
射フィルターと赤外線吸収フィルターを組合わせた複合
フィルターを挿入して成ることを特徴とする映写機用投
光装置。A light emitting unit such as a xenon lamp is provided at the first focal point of the elliptical mirror along the optical axis of the elliptical mirror, so that the light rays from the light emitting unit can be focused on the second focal point of the elliptical mirror. In the projection device for a projector, the spheroidal mirror is made of metal, and a space between the second focal point of the spheroidal mirror and the light emitting section is arranged to face the optical path of the light ray from the light emitting section. A projection device for a projector characterized by inserting a composite filter that combines an infrared reflection filter and an infrared absorption filter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9378182U JPS591046U (en) | 1982-06-24 | 1982-06-24 | Projector floodlight device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9378182U JPS591046U (en) | 1982-06-24 | 1982-06-24 | Projector floodlight device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS591046U true JPS591046U (en) | 1984-01-06 |
Family
ID=30224839
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9378182U Pending JPS591046U (en) | 1982-06-24 | 1982-06-24 | Projector floodlight device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS591046U (en) |
-
1982
- 1982-06-24 JP JP9378182U patent/JPS591046U/en active Pending
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