JPH0157760U - - Google Patents
Info
- Publication number
- JPH0157760U JPH0157760U JP15274187U JP15274187U JPH0157760U JP H0157760 U JPH0157760 U JP H0157760U JP 15274187 U JP15274187 U JP 15274187U JP 15274187 U JP15274187 U JP 15274187U JP H0157760 U JPH0157760 U JP H0157760U
- Authority
- JP
- Japan
- Prior art keywords
- corona
- charging device
- grid electrode
- discharge opening
- shield case
- 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 description 1
Landscapes
- Electrostatic Charge, Transfer And Separation In Electrography (AREA)
Description
第１図は、本考案の位置実施例を示す断面図、
第２図は本考案の別の実施例を示す断面図、第３
図は本考案と従来とのコロナ帯電装置における帯
電電位を示すグラフである。
１……コロナ帯電装置、４……感光体、５……
コロナワイヤ、７……開口、８，１８……グリツ
ド電極、１０，２０……高抵抗物質、１１……定
電圧素子、２１……定圧電源。
FIG. 1 is a sectional view showing a positional embodiment of the present invention;
Fig. 2 is a sectional view showing another embodiment of the present invention;
The figure is a graph showing the charging potential in the corona charging device of the present invention and the conventional one. 1... Corona charging device, 4... Photoreceptor, 5...
Corona wire, 7... Opening, 8, 18... Grid electrode, 10, 20... High resistance material, 11... Constant voltage element, 21... Constant voltage power supply.
Claims (1)
隔てて覆い一部にコロナ放電用開口を形成するシ
ールドケースと、そのコロナ放電用開口の近傍に
配置され帯電電圧を制御するためのグリツド電極
とを備えたコロナ帯電装置において、 前記グリツド電極に高抵抗物質を被覆したこと
を特徴とする前記コロナ帯電装置。 (2) 前記高抵抗物質の１００Ｖ／cm印加の固有
抵抗が１０１０Ωcm以上ある、実用新案登録請求
の範囲第１項に記載のコロナ帯電装置。[Claims for Utility Model Registration] (1) A corona wire, a shield case which covers the corona wire at a distance and forms a corona discharge opening in a part thereof, and a shield case which is arranged near the corona discharge opening and has a charging voltage. 1. A corona charging device comprising: a grid electrode for controlling a corona charging device, characterized in that the grid electrode is coated with a high-resistance material. (2) The corona charging device according to claim 1, wherein the high-resistance material has a specific resistance of 10 10 Ωcm or more when applied with 100 V/cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15274187U JPH0157760U (en) | 1987-10-07 | 1987-10-07 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15274187U JPH0157760U (en) | 1987-10-07 | 1987-10-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0157760U true JPH0157760U (en) | 1989-04-11 |
Family
ID=31427938
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15274187U Pending JPH0157760U (en) | 1987-10-07 | 1987-10-07 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0157760U (en) |
-
1987
- 1987-10-07 JP JP15274187U patent/JPH0157760U/ja active Pending