JPH0318548U - - Google Patents
Info
- Publication number
- JPH0318548U JPH0318548U JP7916389U JP7916389U JPH0318548U JP H0318548 U JPH0318548 U JP H0318548U JP 7916389 U JP7916389 U JP 7916389U JP 7916389 U JP7916389 U JP 7916389U JP H0318548 U JPH0318548 U JP H0318548U
- Authority
- JP
- Japan
- Prior art keywords
- photoreceptor
- lens
- correction filter
- reflection coating
- entire surface
- 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 5
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 238000005286 illumination Methods 0.000 claims 1
- 230000003287 optical effect Effects 0.000 claims 1
- 239000011247 coating layer Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
Landscapes
- Exposure Or Original Feeding In Electrophotography (AREA)
- Projection-Type Copiers In General (AREA)
- Optical Systems Of Projection Type Copiers (AREA)
Description
第１図は本考案が適用される全面同時露光方式
の複写機の露光装置の構成を示す断面図、第２図
は本考案を適用した露光装置のレンズ近傍の構成
を詳細に示す断面図、第３図は上記構成の露光装
置のフレア率測定方法を示す説明図、第４図は補
正フイルタの入射側の面に無反射コート処理を施
した場合と施さない場合のフレア率の比較を示す
グラフである。
１……コンタクトガラス、２……原稿、３……
光源ランプ、５……レンズ、６……照度分布補正
フイルタ、７……照度分布補正層、８……無反射
コート層、１５……感光体。
FIG. 1 is a cross-sectional view showing the structure of an exposure device of a copying machine with full-surface simultaneous exposure to which the present invention is applied, and FIG. 2 is a cross-sectional view showing in detail the structure near the lens of the exposure device to which the present invention is applied. Fig. 3 is an explanatory diagram showing the flare rate measurement method of the exposure apparatus with the above configuration, and Fig. 4 shows a comparison of the flare rate when anti-reflection coating is applied to the incident side surface of the correction filter and when it is not applied. It is a graph. 1...contact glass, 2...manuscript, 3...
Light source lamp, 5... Lens, 6... Illuminance distribution correction filter, 7... Illuminance distribution correction layer, 8... Non-reflection coating layer, 15... Photoreceptor.
Claims (1)
原稿像を感光体表面に投影結像し全面同時露光す
るレンズ及び感光体表面上の照度を均一にするた
め上記レンズと感光体表面との間の光路に挿入さ
れた補正フイルタを有する複写機の露光装置にお
いて、 上記補正フイルタの少なくとも光入射側の面を
無反射コート処理したことを特徴とする露光装置
。 (2) 上記無反射コート処理は、補正フイルタの
補正用処理層に重ねて行なうことを特徴とする請
求項１に記載の露光装置。[Scope of Claim for Utility Model Registration] (1) A lens for simultaneously exposing the entire surface of a photoreceptor by projecting the original image illuminated on the entire surface by an illumination means including a light source onto the surface of the photoreceptor, and the above-mentioned lens for uniformizing the illuminance on the surface of the photoreceptor. An exposure device for a copying machine having a correction filter inserted in an optical path between a lens and a surface of a photoreceptor, characterized in that at least a surface on the light incident side of the correction filter is treated with an anti-reflection coating. (2) The exposure apparatus according to claim 1, wherein the anti-reflection coating treatment is performed on a correction processing layer of a correction filter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7916389U JPH0318548U (en) | 1989-07-06 | 1989-07-06 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7916389U JPH0318548U (en) | 1989-07-06 | 1989-07-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0318548U true JPH0318548U (en) | 1991-02-22 |
Family
ID=31623080
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7916389U Pending JPH0318548U (en) | 1989-07-06 | 1989-07-06 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0318548U (en) |
-
1989
- 1989-07-06 JP JP7916389U patent/JPH0318548U/ja active Pending
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