JPS63132961U - - Google Patents
Info
- Publication number
- JPS63132961U JPS63132961U JP2533887U JP2533887U JPS63132961U JP S63132961 U JPS63132961 U JP S63132961U JP 2533887 U JP2533887 U JP 2533887U JP 2533887 U JP2533887 U JP 2533887U JP S63132961 U JPS63132961 U JP S63132961U
- Authority
- JP
- Japan
- Prior art keywords
- image carrier
- light
- illumination device
- light source
- flux
- 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
- 230000004907 flux Effects 0.000 claims description 4
- 230000001105 regulatory effect Effects 0.000 claims description 2
- 238000005286 illumination Methods 0.000 claims 2
- 230000008030 elimination Effects 0.000 claims 1
- 238000003379 elimination reaction Methods 0.000 claims 1
- 230000003068 static effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
Landscapes
- Exposure Or Original Feeding In Electrophotography (AREA)
Description
第1図は本考案の一実施例に係る照明装置を適
用した画像形成装置を示す概略構成図、第2図は
照明装置の使用状態を示す説明図、第3図は従来
の照明装置の使用状態を示す説明図である。
符号の説明、11……ブランクランプ(光源)
、12……反射ミラー(光束規制部材)、13…
…感光体ドラム(像担持体)、M……駆動源(調
整手段)。
FIG. 1 is a schematic configuration diagram showing an image forming apparatus to which a lighting device according to an embodiment of the present invention is applied, FIG. 2 is an explanatory diagram showing how the lighting device is used, and FIG. 3 is a diagram showing the use of a conventional lighting device. It is an explanatory diagram showing a state. Explanation of symbols, 11...Blank lamp (light source)
, 12...Reflecting mirror (light flux regulating member), 13...
. . . Photosensitive drum (image carrier), M . . . Drive source (adjustment means).
Claims (1)
表面の不要な電荷の除電を行う照明装置において
、 上記光束を規制して上記像担持体における除電
領域を決定する光束規制部材を備え、変倍に伴つ
て変化する該除電領域を照明するよう上記光源の
位置を調整する調整手段を有することを特徴とす
る照明装置。[Claims for Utility Model Registration] An illumination device that illuminates the surface of an image carrier with a light beam of a light source and eliminates unnecessary charges on the surface of the image carrier, which regulates the light flux to eliminate a charge-eliminating area on the image carrier. 1. An illumination device comprising: a light flux regulating member for determining a luminous flux; and an adjusting means for adjusting the position of the light source so as to illuminate the static elimination area that changes with magnification.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1987025338U JPH0731248Y2 (en) | 1987-02-23 | 1987-02-23 | Image forming device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1987025338U JPH0731248Y2 (en) | 1987-02-23 | 1987-02-23 | Image forming device |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS63132961U true JPS63132961U (en) | 1988-08-31 |
JPH0731248Y2 JPH0731248Y2 (en) | 1995-07-19 |
Family
ID=30825400
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1987025338U Expired - Lifetime JPH0731248Y2 (en) | 1987-02-23 | 1987-02-23 | Image forming device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0731248Y2 (en) |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57167055A (en) * | 1981-04-08 | 1982-10-14 | Canon Inc | Copying machine |
JPS59201037A (en) * | 1983-04-30 | 1984-11-14 | Canon Inc | Copying device with variable power |
JPS59201038A (en) * | 1983-04-30 | 1984-11-14 | Canon Inc | Copying device with variable power |
JPS60181773A (en) * | 1984-02-29 | 1985-09-17 | Canon Inc | Picture forming device |
JPS61175631A (en) * | 1985-01-30 | 1986-08-07 | Minolta Camera Co Ltd | Reader printer |
JPS61143152U (en) * | 1985-02-25 | 1986-09-04 |
-
1987
- 1987-02-23 JP JP1987025338U patent/JPH0731248Y2/en not_active Expired - Lifetime
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57167055A (en) * | 1981-04-08 | 1982-10-14 | Canon Inc | Copying machine |
JPS59201037A (en) * | 1983-04-30 | 1984-11-14 | Canon Inc | Copying device with variable power |
JPS59201038A (en) * | 1983-04-30 | 1984-11-14 | Canon Inc | Copying device with variable power |
JPS60181773A (en) * | 1984-02-29 | 1985-09-17 | Canon Inc | Picture forming device |
JPS61175631A (en) * | 1985-01-30 | 1986-08-07 | Minolta Camera Co Ltd | Reader printer |
JPS61143152U (en) * | 1985-02-25 | 1986-09-04 |
Also Published As
Publication number | Publication date |
---|---|
JPH0731248Y2 (en) | 1995-07-19 |
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