JPH0485470U - - Google Patents
Info
- Publication number
- JPH0485470U JPH0485470U JP12825190U JP12825190U JPH0485470U JP H0485470 U JPH0485470 U JP H0485470U JP 12825190 U JP12825190 U JP 12825190U JP 12825190 U JP12825190 U JP 12825190U JP H0485470 U JPH0485470 U JP H0485470U
- Authority
- JP
- Japan
- Prior art keywords
- light
- optical
- photoconductor drum
- emitting element
- eraser device
- 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
- 230000003287 optical effect Effects 0.000 claims description 8
- 108091008695 photoreceptors Proteins 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 3
- 239000000758 substrate Substances 0.000 description 1
Landscapes
- Discharging, Photosensitive Material Shape In Electrophotography (AREA)
- Exposure Or Original Feeding In Electrophotography (AREA)
Description
第１図は一実施例の光イレーサ装置の斜視図、
第２図は一実施例の光イレーサ装置を適用した画
像形成装置の概略構成図、第３図は第２図のＡ−
Ａ断面図、第４図はＬＥＤ１２ａ，１２ｂ、……
の取り付け状態を示す構成図、第５図ａは光イレ
ーサ装置の側面図、第５図ｂは光量特性図、第６
図は光線Ｌ′，Ｌ″を説明する図、第７図は従来
の光イレーサ装置の斜視図である。
１０……光イレーサ装置、１１……基板、１２
ａ，１２ｂ……ＬＥＤ、１３……レンズ部材、１
３′……光放射面。
FIG. 1 is a perspective view of an optical eraser device according to an embodiment;
FIG. 2 is a schematic configuration diagram of an image forming apparatus to which an optical eraser device of one embodiment is applied, and FIG.
A sectional view, FIG. 4 shows LEDs 12a, 12b,...
Fig. 5a is a side view of the optical eraser device, Fig. 5b is a light quantity characteristic diagram, and Fig. 6
The figure is a diagram for explaining the light beams L' and L'', and FIG. 7 is a perspective view of a conventional optical eraser device. 10... optical eraser device, 11... substrate, 12
a, 12b...LED, 13...Lens member, 1
3'...Light emitting surface.
Claims (1)
ラム周面の不用な電荷を消去する光イレーサ装置
において、 前記感光体ドラムの軸方向に所定間隔で複数配
設された発光素子と、 該発光素子を包囲し、透明な光透過性材料で成
形され、前記感光体ドラムに対し該感光体ドラム
との対峙面が平行に形成された光放射面を有する
レンズ部材とからなり、 前記レンズ部材の両端部は円弧状曲面で形成さ
れていることを特徴とする光イレーサ装置。[Scope of Claim for Utility Model Registration] An optical eraser device disposed facing a photoconductor drum to erase unnecessary charges on the circumferential surface of the photoconductor drum, comprising a plurality of optical erasers arranged at predetermined intervals in the axial direction of the photoconductor drum. a light-emitting element, and a lens surrounding the light-emitting element and having a light-emitting surface formed of a transparent light-transmitting material and having a surface facing the photoreceptor drum parallel to the photoreceptor drum. 1. An optical eraser device comprising: a lens member, wherein both ends of the lens member are formed with arcuate curved surfaces.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12825190U JPH0485470U (en) | 1990-11-30 | 1990-11-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12825190U JPH0485470U (en) | 1990-11-30 | 1990-11-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0485470U true JPH0485470U (en) | 1992-07-24 |
Family
ID=31875720
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12825190U Pending JPH0485470U (en) | 1990-11-30 | 1990-11-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0485470U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010008970A (en) * | 2008-06-30 | 2010-01-14 | Kyocera Mita Corp | Light irradiation device and image forming apparatus |
| JP2011043784A (en) * | 2009-07-21 | 2011-03-03 | Kyocera Mita Corp | Image forming apparatus |
| JP2013065057A (en) * | 2013-01-17 | 2013-04-11 | Kyocera Document Solutions Inc | Light radiation device, and image forming apparatus |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57122473A (en) * | 1980-12-26 | 1982-07-30 | Konishiroku Photo Ind Co Ltd | Charge erasing device of electrophotographic copying machine |
| JPH0242309B2 (en) * | 1985-10-24 | 1990-09-21 |
-
1990
- 1990-11-30 JP JP12825190U patent/JPH0485470U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57122473A (en) * | 1980-12-26 | 1982-07-30 | Konishiroku Photo Ind Co Ltd | Charge erasing device of electrophotographic copying machine |
| JPH0242309B2 (en) * | 1985-10-24 | 1990-09-21 |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010008970A (en) * | 2008-06-30 | 2010-01-14 | Kyocera Mita Corp | Light irradiation device and image forming apparatus |
| JP2011043784A (en) * | 2009-07-21 | 2011-03-03 | Kyocera Mita Corp | Image forming apparatus |
| JP2013065057A (en) * | 2013-01-17 | 2013-04-11 | Kyocera Document Solutions Inc | Light radiation device, and image forming apparatus |
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