JPH0367332U - - Google Patents
Info
- Publication number
- JPH0367332U JPH0367332U JP12963289U JP12963289U JPH0367332U JP H0367332 U JPH0367332 U JP H0367332U JP 12963289 U JP12963289 U JP 12963289U JP 12963289 U JP12963289 U JP 12963289U JP H0367332 U JPH0367332 U JP H0367332U
- Authority
- JP
- Japan
- Prior art keywords
- document
- light amount
- light source
- light
- illuminating
- 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
- 238000005286 illumination Methods 0.000 claims 1
- 230000003287 optical effect Effects 0.000 claims 1
- 108091008695 photoreceptors Proteins 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 5
Landscapes
- Exposure Or Original Feeding In Electrophotography (AREA)
- Control Of Exposure In Printing And Copying (AREA)
Description
第１図は本考案を応用した複写機の一例におけ
る露光装置の一部を示す概略図、第２図は同複写
機を示す断面図、第３図は本考案を応用した複写
機の他の例における露光装置の一部を示す概略図
、第４図は上記露光装置における光源の配置を説
明するための図、第５図は上記露光装置の光源制
御系を示すブロツク図である。
１５，１６……螢光灯、４２，４３……安定器
、４４，４５……光量検知器、４６……調光制御
部。
Fig. 1 is a schematic diagram showing a part of an exposure device in an example of a copying machine to which the present invention is applied, Fig. 2 is a sectional view showing the same copying machine, and Fig. 3 is a schematic diagram showing a part of an exposure device in an example of a copying machine to which the present invention is applied. FIG. 4 is a schematic diagram showing a part of the exposure apparatus in the example, FIG. 4 is a diagram for explaining the arrangement of light sources in the exposure apparatus, and FIG. 5 is a block diagram showing a light source control system of the exposure apparatus. 15, 16... Fluorescent lamp, 42, 43... Ballast, 44, 45... Light quantity detector, 46... Light control section.
Claims (1)
学系を介して感光体上に投影する露光装置におけ
る原稿照明装置であつて、前記原稿載置台上の原
稿を照明する光源と、この光源の光量を検知する
光量検知器と、この光量検知器の出力信号により
前記光源の光量が所定の光量になるように前記光
源を制御する光量制御手段とを有する原稿照明装
置において、前記光量検知器を前記光源の端部と
対応する位置に配置したことを特徴とする原稿照
明装置。 A document illumination device in an exposure device that illuminates a document on a document tray and projects the document image onto a photoreceptor via an optical system, the light source illuminating the document on the document tray; A document illuminating device comprising: a light amount detector for detecting a light amount of the light amount detector; and a light amount control means for controlling the light source so that the light amount of the light source becomes a predetermined light amount based on an output signal of the light amount detector; A document illuminating device characterized in that: is arranged at a position corresponding to an end of the light source.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12963289U JPH0367332U (en) | 1989-11-06 | 1989-11-06 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12963289U JPH0367332U (en) | 1989-11-06 | 1989-11-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0367332U true JPH0367332U (en) | 1991-07-01 |
Family
ID=31677248
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12963289U Pending JPH0367332U (en) | 1989-11-06 | 1989-11-06 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0367332U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5949562A (en) * | 1982-09-14 | 1984-03-22 | Fuji Xerox Co Ltd | Dimming device provided with moving sensor |
-
1989
- 1989-11-06 JP JP12963289U patent/JPH0367332U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5949562A (en) * | 1982-09-14 | 1984-03-22 | Fuji Xerox Co Ltd | Dimming device provided with moving sensor |
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