JPH0241257U - - Google Patents
Info
- Publication number
- JPH0241257U JPH0241257U JP11921488U JP11921488U JPH0241257U JP H0241257 U JPH0241257 U JP H0241257U JP 11921488 U JP11921488 U JP 11921488U JP 11921488 U JP11921488 U JP 11921488U JP H0241257 U JPH0241257 U JP H0241257U
- Authority
- JP
- Japan
- Prior art keywords
- photoreceptor
- charging
- charging device
- corona discharge
- discharge electrode
- 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 10
- 238000010586 diagram Methods 0.000 description 6
Landscapes
- Electrostatic Charge, Transfer And Separation In Electrography (AREA)
Description
第１図は本考案の一実施例に係る帯電装置の構
成図、第２図は本考案の帯電装置による感光体の
帯電電位の状態を示す図、第３図はグリツド電極
を有する帯電器により感光体を帯電させたときの
帯電電位の状態を示す図、第４図は本考案の効果
を比較説明するための単独の帯電器からなる帯電
装置の構成図、第５図は上記単独の帯電器からな
る帯電装置による感光体の帯電電位の状態を示す
図である。
１……帯電器、２……コロナ放電電極、３……
シールド、４……グリツド電極、５……感光体、
６……コロナ発生用定電流電源、７……制御用電
源。
FIG. 1 is a diagram showing the configuration of a charging device according to an embodiment of the present invention, FIG. 2 is a diagram showing the state of the charging potential of a photoreceptor by the charging device of the present invention, and FIG. A diagram showing the state of the charging potential when the photoreceptor is charged. Figure 4 is a configuration diagram of a charging device consisting of a single charger for comparing and explaining the effects of the present invention. Figure 5 is a diagram showing the state of the charging potential when the photoreceptor is charged. FIG. 2 is a diagram showing the state of the charging potential of a photoreceptor by a charging device consisting of a container. 1... Charger, 2... Corona discharge electrode, 3...
Shield, 4... Grid electrode, 5... Photoreceptor,
6... Constant current power supply for corona generation, 7... Power supply for control.
Claims (1)
せるためのコロナ放電電極と、このコロナ放電電
極を囲み上記感光体への帯電用開放口を有するシ
ールドと、感光体と上記シールドの開放口との間
に配置されたグリツド電極とにより構成された帯
電器を備えた電子写真方式画像形成装置における
帯電装置にあつて、 上記帯電器を複数個用い、かつ上記コロナ放電
電極には定電流電源よりコロナ発生用電圧を印加
し、上記グリツド電極には制御用電源より感光体
への帯電電流を制御するための制御用電圧を印加
したことを特徴とする電子写真方式画像形成装置
における帯電装置。[Claims for Utility Model Registration] A corona discharge electrode provided opposite to a photoreceptor for charging the photoreceptor, a shield surrounding the corona discharge electrode and having an opening for charging the photoreceptor; A charging device for an electrophotographic image forming apparatus equipped with a charger constituted by a photoreceptor and a grid electrode disposed between the open opening of the shield, using a plurality of the above chargers, and the above-mentioned charging device. Electrophotography characterized in that a corona generation voltage is applied to the corona discharge electrode from a constant current power source, and a control voltage for controlling the charging current to the photoreceptor is applied from a control power source to the grid electrode. A charging device in a system image forming apparatus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11921488U JPH0241257U (en) | 1988-09-09 | 1988-09-09 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11921488U JPH0241257U (en) | 1988-09-09 | 1988-09-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0241257U true JPH0241257U (en) | 1990-03-22 |
Family
ID=31364250
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11921488U Pending JPH0241257U (en) | 1988-09-09 | 1988-09-09 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0241257U (en) |
-
1988
- 1988-09-09 JP JP11921488U patent/JPH0241257U/ja active Pending
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