JPS61188140U - - Google Patents
Info
- Publication number
- JPS61188140U JPS61188140U JP7228885U JP7228885U JPS61188140U JP S61188140 U JPS61188140 U JP S61188140U JP 7228885 U JP7228885 U JP 7228885U JP 7228885 U JP7228885 U JP 7228885U JP S61188140 U JPS61188140 U JP S61188140U
- Authority
- JP
- Japan
- Prior art keywords
- outer shell
- light source
- attached
- point light
- lighting device
- 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 3
- 238000005286 illumination Methods 0.000 claims 1
- 239000007787 solid Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
- 239000011521 glass Substances 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
Landscapes
- Optical Elements Other Than Lenses (AREA)
- Microscoopes, Condenser (AREA)
- Exposure Or Original Feeding In Electrophotography (AREA)
- Lenses (AREA)
- Optical Systems Of Projection Type Copiers (AREA)
- Light Sources And Details Of Projection-Printing Devices (AREA)
Description
第１図、第２図は本考案の照明装置のランプ付
近の一部断面概略構成図、第３図は本考案の照明
装置のランプ付近の概略斜視図、第４図は本考案
の照明装置の光路を説明するための説明図、第５
図、第６図は本考案の照明装置の応用例に用いた
ランプの断面構成図、第７図は従来の照明装置の
ランプ付近の概略斜視図である。
１，１′：ハロゲンランプ、２：反射鏡、３：
フレネルレンズ、４：赤外光透過膜、５：点光源
（フイラメント）、６：線状集光手段、７：原稿
、８：赤外光不透過膜、Ａ，Ｂ：ランプ外郭ガラ
スの曲率中心。
1 and 2 are schematic partial cross-sectional configuration diagrams of the lighting device of the present invention near the lamp, FIG. 3 is a schematic perspective view of the lighting device of the present invention near the lamp, and FIG. 4 is the lighting device of the present invention. Explanatory diagram for explaining the optical path of
6 is a cross-sectional configuration diagram of a lamp used in an application example of the lighting device of the present invention, and FIG. 7 is a schematic perspective view of the vicinity of the lamp of a conventional lighting device. 1, 1': Halogen lamp, 2: Reflector, 3:
Fresnel lens, 4: Infrared light transmitting film, 5: Point light source (filament), 6: Linear condensing means, 7: Original, 8: Infrared light non-transparent film, A, B: Center of curvature of lamp outer glass .
Claims (1)
プから発せられた光をコリメート光学要素により
平行光束に変換した後に集光手段により原稿面上
に集光する照明装置において、点光源からコリメ
ート光学要素を臨む立体角に対応する部分を除い
た外郭に反射膜を付着すると共に、前記反射膜を
付着した外郭の曲率中心が、当該点光源を含み前
記平行光束に垂直な平面上の点光源の両側にくる
ように前記外郭を形成したことを特徴とする照明
装置。 (2) 前記反射膜を、可視光を反射し赤外光を透
過させる赤外光透過膜としたことを特徴とする実
用新案登録請求の範囲第１項記載の照明装置。 (3) 前記外郭の赤外線透過膜非付着領域に可視
光を透過し赤外線を透過しない赤外線不透過膜を
付着したことを特徴とする実用新案登録請求の範
囲第２項記載の照明装置。[Claims for Utility Model Registration] (1) Light emitted from a point light source lamp consisting of a point light source and an outer shell is converted into a parallel beam by a collimating optical element, and then condensed onto the document surface by a condensing means. In the illumination device, a reflective film is attached to the outer shell excluding the part corresponding to the solid angle at which the collimating optical element is viewed from the point light source, and the center of curvature of the outer shell to which the reflective film is attached includes the point light source and the parallel light beam. A lighting device characterized in that the outer shell is formed on both sides of a point light source on a plane perpendicular to . (2) The lighting device according to claim 1, wherein the reflective film is an infrared light transmitting film that reflects visible light and transmits infrared light. (3) The lighting device according to claim 2 of the utility model registration, characterized in that an infrared opaque film that transmits visible light but does not transmit infrared rays is attached to the area of the outer shell where the infrared rays transparent film is not attached.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7228885U JPS61188140U (en) | 1985-05-17 | 1985-05-17 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7228885U JPS61188140U (en) | 1985-05-17 | 1985-05-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61188140U true JPS61188140U (en) | 1986-11-22 |
Family
ID=30610561
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7228885U Pending JPS61188140U (en) | 1985-05-17 | 1985-05-17 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61188140U (en) |
-
1985
- 1985-05-17 JP JP7228885U patent/JPS61188140U/ja active Pending
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