JPS62132548U - - Google Patents
Info
- Publication number
- JPS62132548U JPS62132548U JP1976886U JP1976886U JPS62132548U JP S62132548 U JPS62132548 U JP S62132548U JP 1976886 U JP1976886 U JP 1976886U JP 1976886 U JP1976886 U JP 1976886U JP S62132548 U JPS62132548 U JP S62132548U
- Authority
- JP
- Japan
- Prior art keywords
- light source
- relationship
- exposure
- copying machine
- original
- 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
- 230000004907 flux Effects 0.000 claims 2
- 238000005286 illumination Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 5
- 230000003595 spectral effect Effects 0.000 description 2
- 239000011521 glass Substances 0.000 description 1
- 108091008695 photoreceptors Proteins 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
Landscapes
- Optical Systems Of Projection Type Copiers (AREA)
- Light Sources And Details Of Projection-Printing Devices (AREA)
- Control Of Exposure In Printing And Copying (AREA)
- Exposure Or Original Feeding In Electrophotography (AREA)
Description
第１図は本考案を適用する複写機の概要を示す
説明図、第２図は光源系を示す拡大図、第３図は
有効スリツトにおける露光分布を示す説明図、第
４図はランプ電圧と露光強度の関係を示すグラフ
、第５図は光波長と露光強度の関係を示すグラフ
、第６図はランプ電圧と感光ベルト上での露光強
度の関係を示すグラフ、第７図はランプ電圧と画
像濃度の関係を示すグラフ、第８図は光波長と透
過率の関係を示すグラフ、第９図ａ，ｂ，ｃは光
波長と感光体上の分光分布の関係を示すグラフ、
第１０図はランプ電圧と感光ベルト上のエネルギ
ー強度の関係を示すグラフ、第１１図はランプ電
圧と画像濃度の関係を示すグラフ、第１２図はラ
ンプ電圧と色相の関係を示すグラフ、第１３図ａ
，ｂ，ｃは本考案の各種の実施例を示す第３図と
同様の説明図、第１４図ａ，ｂは有効スリツト内
の分光分布を示すグラフ、第１５図は光源ユニツ
トの移動距離と画像濃度の関係を示すグラフ、で
ある。
１……光源ランプ、２……反射板、３……第２
焦点、４……現像ローラ、５……感光ベルト、６
……コンタクトガラス、９……有効スリツト、１
２，１２ａ……露光分布、２０……光源ユニツト
。
Fig. 1 is an explanatory diagram showing an overview of a copying machine to which the present invention is applied, Fig. 2 is an enlarged view showing the light source system, Fig. 3 is an explanatory diagram showing the exposure distribution in the effective slit, and Fig. 4 is an explanatory diagram showing the lamp voltage and Graph showing the relationship between exposure intensity. Figure 5 is a graph showing the relationship between light wavelength and exposure intensity. Figure 6 is a graph showing the relationship between lamp voltage and exposure intensity on the photosensitive belt. Figure 7 is a graph showing the relationship between lamp voltage and exposure intensity. A graph showing the relationship between image density; FIG. 8 is a graph showing the relationship between light wavelength and transmittance; FIGS. 9 a, b, and c are graphs showing the relationship between light wavelength and spectral distribution on the photoreceptor;
Fig. 10 is a graph showing the relationship between lamp voltage and energy intensity on the photosensitive belt, Fig. 11 is a graph showing the relationship between lamp voltage and image density, Fig. 12 is a graph showing the relationship between lamp voltage and hue, and Fig. 13 is a graph showing the relationship between lamp voltage and image density. Diagram a
, b, c are explanatory diagrams similar to FIG. 3 showing various embodiments of the present invention, FIG. 14 a, b are graphs showing the spectral distribution within the effective slit, and FIG. 2 is a graph showing the relationship between image density. 1...Light source lamp, 2...Reflector, 3...Second
Focus, 4...Developing roller, 5...Photosensitive belt, 6
...Contact glass, 9...Effective slit, 1
2, 12a...Exposure distribution, 20...Light source unit.
Claims (1)
クター等の反射板によつて原稿の有効スリツト内
に集光させ原稿を照明する複写機の照明系におい
て、光源と反射板を設けた光源ユニツトを摺動可
能にし、集光位置に到達する光束を調整して原稿
面上の露光量を可変できるようにしたことを特徴
とする複写機等の露光量調整装置。 In the illumination system of a copying machine that illuminates the original by focusing the luminous flux of the light source within the effective slit of the original using a reflecting plate such as an elliptical reflector or a hyperbolic reflector, a light source unit equipped with a light source and a reflecting plate is made slidable. 1. An exposure amount adjustment device for a copying machine, etc., characterized in that the amount of exposure on the surface of a document can be varied by adjusting the light flux that reaches a condensing position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1976886U JPS62132548U (en) | 1986-02-14 | 1986-02-14 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1976886U JPS62132548U (en) | 1986-02-14 | 1986-02-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62132548U true JPS62132548U (en) | 1987-08-21 |
Family
ID=30814657
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1976886U Pending JPS62132548U (en) | 1986-02-14 | 1986-02-14 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62132548U (en) |
-
1986
- 1986-02-14 JP JP1976886U patent/JPS62132548U/ja active Pending
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