JPS6268132U - - Google Patents
Info
- Publication number
- JPS6268132U JPS6268132U JP15215986U JP15215986U JPS6268132U JP S6268132 U JPS6268132 U JP S6268132U JP 15215986 U JP15215986 U JP 15215986U JP 15215986 U JP15215986 U JP 15215986U JP S6268132 U JPS6268132 U JP S6268132U
- Authority
- JP
- Japan
- Prior art keywords
- lighting device
- reflector
- copying machine
- point light
- light source
- 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
- 235000019557 luminance Nutrition 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 7
Landscapes
- Exposure Or Original Feeding In Electrophotography (AREA)
- Optical Systems Of Projection Type Copiers (AREA)
- Light Sources And Details Of Projection-Printing Devices (AREA)
Description
第１図は線状光源を使用する従来例を示す斜視
図、第２図は点状光源を使用する従来例を示す斜
視図、第３図は点状光源の一例を示す正面図、第
４図ａは本考案の原理を説明する図、第４図ｂは
同図ａに示す装置による照度分布曲線図、第５図
ａは本考案の一実施例を要部のみ示す部分構成図
、第５図ｂは同図ａに示す装置による照度分布曲
線図、第６図はスリツト露光型複写機に適用した
場合における本考案の原理を示す構成図、第７図
は第６図に示す装置及び第８図に示す装置におけ
る照度分布曲線図、第８図は本考案の一実施例を
示す斜視図、第９図は全面露光型複写機における
本考案の別の実施例を示す斜視図、第１０図は第
９図に示す実施例の平面図である。
４…点状光源、５…回転２次曲面反射板。
Fig. 1 is a perspective view showing a conventional example using a linear light source, Fig. 2 is a perspective view showing a conventional example using a point light source, Fig. 3 is a front view showing an example of a point light source, and Fig. 4 is a perspective view showing a conventional example using a point light source. Figure a is a diagram explaining the principle of the present invention, Figure 4b is an illuminance distribution curve diagram of the device shown in figure a, Figure 5a is a partial configuration diagram showing only the essential parts of an embodiment of the present invention, Fig. 5b is an illuminance distribution curve diagram of the apparatus shown in Fig. 6a, Fig. 6 is a block diagram showing the principle of the present invention when applied to a slit exposure type copying machine, and Fig. 7 is an illuminance distribution curve diagram of the apparatus shown in Fig. 6 and Fig. 6. FIG. 8 is a diagram of the illuminance distribution curve in the apparatus shown in FIG. 8. FIG. 8 is a perspective view showing one embodiment of the present invention. FIG. FIG. 10 is a plan view of the embodiment shown in FIG. 9. 4... Point light source, 5... Rotating quadratic curved reflector.
Claims (1)
曲面反射板とを備え、該反射板の焦点にそれぞれ
点状光源を配設してなる照明装置であつて、上記
回転２次曲面反射板の主軸を傾斜させることによ
つて、原稿照射部分において隣接する反射板によ
る反射光束が部分的に重畳する位置に、上記光源
と上記反射板とを配置したことを特徴とする複写
機用照明装置。 ２ スリツト露光型照明装置において、該スリツ
トの長手方向に対応して回転２次曲面反射板をそ
れぞれ上記方向に配列したことを特徴とする実用
新案登録請求の範囲第１項記載の複写機用照明装
置。 ３ 複数の点状光源の輝度をそれぞれ異ならせた
ことを特徴とする実用新案登録請求の範囲第１項
記載の複写機用照明装置。[Claims for Utility Model Registration] 1. A lighting device comprising a plurality of point light sources and the same number of rotating quadratic curved reflectors, each of which has a point light source at the focal point of the reflector. By tilting the main axis of the rotating quadratic curved reflector, the light source and the reflector are arranged at a position where the light beams reflected by adjacent reflectors partially overlap in the document irradiation area. A lighting device for a copying machine characterized by the following. 2. A lighting device for a copying machine according to claim 1, which is a slit exposure type lighting device, characterized in that rotating quadratic curved reflectors are arranged in the above-mentioned directions in correspondence with the longitudinal direction of the slit. Device. 3. The lighting device for a copying machine according to claim 1, wherein the plurality of point light sources have different luminances.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15215986U JPS6268132U (en) | 1986-10-03 | 1986-10-03 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15215986U JPS6268132U (en) | 1986-10-03 | 1986-10-03 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6268132U true JPS6268132U (en) | 1987-04-28 |
Family
ID=31069886
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15215986U Pending JPS6268132U (en) | 1986-10-03 | 1986-10-03 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6268132U (en) |
-
1986
- 1986-10-03 JP JP15215986U patent/JPS6268132U/ja active Pending
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