JPH01172044U - - Google Patents
Info
- Publication number
- JPH01172044U JPH01172044U JP6808088U JP6808088U JPH01172044U JP H01172044 U JPH01172044 U JP H01172044U JP 6808088 U JP6808088 U JP 6808088U JP 6808088 U JP6808088 U JP 6808088U JP H01172044 U JPH01172044 U JP H01172044U
- Authority
- JP
- Japan
- Prior art keywords
- fluorescent lamp
- exposure
- manuscript paper
- angle
- aperture
- 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
- 108091008695 photoreceptors Proteins 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
Landscapes
- Exposure Or Original Feeding In Electrophotography (AREA)
- Control Of Exposure In Printing And Copying (AREA)
Description
第１図は本考案の実施例に基づくアパーチヤ型
蛍光灯の露光調整装置の概略回路図、第２図は蛍
光灯にステツプモータが軸着されている状態を示
す部分平面図、第３図ａは本考案の装置を適用し
た初期時の露光装置の側面図、第３図ｂは本考案
の装置を適用した長期使用後の露光装置の側面図
である。
２……蛍光灯、４……アパーチヤ、５……光量
センサ、６……蛍光灯制御器、７……ステツプモ
ータ、１０……露光装置、１１……コンタクトガ
ラス、１２……原稿紙、１３……光学系、１４…
…感光体ドラム、ＣＰＵ……中央処理装置。
Fig. 1 is a schematic circuit diagram of an exposure adjustment device for an aperture type fluorescent lamp based on an embodiment of the present invention, Fig. 2 is a partial plan view showing a state in which a step motor is attached to a fluorescent lamp, and Fig. 3 a. 3 is a side view of the exposure apparatus at the initial stage to which the apparatus of the present invention is applied, and FIG. 3b is a side view of the exposure apparatus after long-term use to which the apparatus of the present invention is applied. 2... Fluorescent lamp, 4... Aperture, 5... Light amount sensor, 6... Fluorescent lamp controller, 7... Step motor, 10... Exposure device, 11... Contact glass, 12... Manuscript paper, 13 ...Optical system, 14...
...Photoreceptor drum, CPU...Central processing unit.
Claims (1)
体ドラムに照射させる露光装置において、前記原
稿紙面に対向した位置にアパーチヤ型蛍光灯と該
蛍光灯の光量センサを配置し、該光量センサによ
り蛍光灯制御器の入力デユーテイ比を変更すると
ともに、前記蛍光灯に角度を自由に可変する機構
を連設して前記蛍光灯のアパーチヤ角度を可変と
したことを特徴とする露光ランプの調整装置。 In an exposure device that exposes a manuscript paper to a fluorescent lamp and irradiates a photoreceptor drum with the reflected light, an aperture type fluorescent lamp and a light quantity sensor for the fluorescent lamp are disposed at a position facing the manuscript paper surface. 1. An exposure lamp adjustment device, characterized in that the input duty ratio of a fluorescent lamp controller is changed, and the aperture angle of the fluorescent lamp is made variable by connecting a mechanism to the fluorescent lamp to freely change the angle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6808088U JPH01172044U (en) | 1988-05-25 | 1988-05-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6808088U JPH01172044U (en) | 1988-05-25 | 1988-05-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01172044U true JPH01172044U (en) | 1989-12-06 |
Family
ID=31293408
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6808088U Pending JPH01172044U (en) | 1988-05-25 | 1988-05-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01172044U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5182630A (en) * | 1975-01-16 | 1976-07-20 | Minolta Camera Kk |
-
1988
- 1988-05-25 JP JP6808088U patent/JPH01172044U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5182630A (en) * | 1975-01-16 | 1976-07-20 | Minolta Camera Kk |
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