JPS62193252U - - Google Patents
Info
- Publication number
- JPS62193252U JPS62193252U JP8201586U JP8201586U JPS62193252U JP S62193252 U JPS62193252 U JP S62193252U JP 8201586 U JP8201586 U JP 8201586U JP 8201586 U JP8201586 U JP 8201586U JP S62193252 U JPS62193252 U JP S62193252U
- Authority
- JP
- Japan
- Prior art keywords
- light
- image carrier
- emitting element
- light emitting
- shielding member
- 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.)
- Granted
Links
- 238000005286 illumination Methods 0.000 claims description 6
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Discharging, Photosensitive Material Shape In Electrophotography (AREA)
- Exposure Or Original Feeding In Electrophotography (AREA)
Description
第１図ａは本考案に係る照明装置の使用状態を
示す縦断面図、第１図ｂは遮光部材の他例を示す
断面図、第２図は同照明装置のレンズ部材を取り
除いた状態を示す平面図、第３図はレンズアレイ
を示す斜視図、第４図は同照明装置の照明領域お
よび光量分布特性を示すグラフ図、第５図はＬＥ
Ｄの配列状態を示す平面図、第６図は第５図の状
態における光量分布特性を示すグラフ図、第７図
は本考案の他の実施例を示す部分縦断面図、第８
図は第７図の装置の照明領域および光量分布特性
を示すグラフ図、第９図は本考案のさらに他の実
施例を示すレンズ部材を取り除いた状態を示す平
面図、第１０図は本考案に係る照明装置を適用し
得る画像形成装置を示す概略図、第１１図は従来
の照明装置の使用状態を示す概略図、第１２図は
従来の他の照明装置を示す縦断面図、第１３図は
同装置の発光素子の配列状態を示す平面図、第１
４図は第１３図の状態における光量分布特性を示
すグラフ図である。
符号の説明、１……照明装置、１２……発光素
子、１３……遮光部材、１４……レンズ部材。
Fig. 1a is a vertical sectional view showing the lighting device according to the present invention in use, Fig. 1b is a sectional view showing another example of the light shielding member, and Fig. 2 is the lighting device with the lens member removed. 3 is a perspective view showing the lens array, FIG. 4 is a graph showing the illumination area and light amount distribution characteristics of the lighting device, and FIG. 5 is a LE
FIG. 6 is a graph showing the light intensity distribution characteristics in the state of FIG. 5; FIG. 7 is a partial vertical sectional view showing another embodiment of the present invention; FIG.
The figures are graphs showing the illumination area and light intensity distribution characteristics of the apparatus shown in Fig. 7, Fig. 9 is a plan view showing still another embodiment of the present invention with the lens member removed, and Fig. 10 is the present invention. FIG. 11 is a schematic diagram showing how the conventional illumination device is used; FIG. 12 is a vertical sectional view showing another conventional illumination device; FIG. The figure is a plan view showing the arrangement of the light emitting elements of the same device.
FIG. 4 is a graph showing the light amount distribution characteristics in the state of FIG. 13. Explanation of symbols: 1... illumination device, 12... light emitting element, 13... light shielding member, 14... lens member.
Claims (1)
像担持体を照明することにより、像担持体上の不
要な電荷の除電を行なうための照明装置において
、発光素子と、該発光素子から照射される光が像
担持体上を所定の条件で照明するように光の一部
を遮る遮光部材と、少なくとも遮光部材より像担
持体側に配設されるレンズ部材よりなり、前記遮
光部材が、像担持体上での軸方向の光量分布が略
台形状となるように遮光することを特徴とする照
明装置。 An illumination device that is disposed to face the surface of an image carrier and that eliminates unnecessary charges on the image carrier by illuminating the image carrier includes a light emitting element and a light emitting element that emits light from the light emitting element. a light shielding member that blocks part of the light so that the light illuminates the image carrier under predetermined conditions; and a lens member disposed at least closer to the image carrier than the light shielding member; A lighting device characterized in that light is blocked so that the light amount distribution in the axial direction on the carrier is approximately trapezoidal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986082015U JPH0720677Y2 (en) | 1986-05-30 | 1986-05-30 | Image forming device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986082015U JPH0720677Y2 (en) | 1986-05-30 | 1986-05-30 | Image forming device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62193252U true JPS62193252U (en) | 1987-12-08 |
| JPH0720677Y2 JPH0720677Y2 (en) | 1995-05-15 |
Family
ID=30934287
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1986082015U Expired - Lifetime JPH0720677Y2 (en) | 1986-05-30 | 1986-05-30 | Image forming device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0720677Y2 (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5934557A (en) * | 1982-08-23 | 1984-02-24 | Canon Inc | Process kit |
| JPS60107972U (en) * | 1983-12-26 | 1985-07-23 | 日本電産コパル株式会社 | Illumination device for static elimination in copying machines |
-
1986
- 1986-05-30 JP JP1986082015U patent/JPH0720677Y2/en not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5934557A (en) * | 1982-08-23 | 1984-02-24 | Canon Inc | Process kit |
| JPS60107972U (en) * | 1983-12-26 | 1985-07-23 | 日本電産コパル株式会社 | Illumination device for static elimination in copying machines |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0720677Y2 (en) | 1995-05-15 |
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