JPS6225958U - - Google Patents
Info
- Publication number
- JPS6225958U JPS6225958U JP11857685U JP11857685U JPS6225958U JP S6225958 U JPS6225958 U JP S6225958U JP 11857685 U JP11857685 U JP 11857685U JP 11857685 U JP11857685 U JP 11857685U JP S6225958 U JPS6225958 U JP S6225958U
- Authority
- JP
- Japan
- Prior art keywords
- corona discharge
- photoreceptor
- chargers
- discharge electrode
- voltage
- 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 5
- 238000010586 diagram Methods 0.000 description 1
Description
第１図は本考案の一実施例を示すコロナ放電装
置を備えた複写機の要部断面図、第２図は同コロ
ナ放電装置の回路構成図、第３図は従来のコロナ
放電装置を備えた複写機の要部断面図である。
１：帯電器、２：感光体、３：現像装置、４：
高圧電源、５：切換制御手段、１１：コロナ放電
電極、１２：シールド板。
Fig. 1 is a cross-sectional view of the main parts of a copying machine equipped with a corona discharge device showing an embodiment of the present invention, Fig. 2 is a circuit diagram of the same corona discharge device, and Fig. 3 is a conventional corona discharge device equipped with a copying machine. FIG. 2 is a sectional view of main parts of a copying machine. 1: Charger, 2: Photoreceptor, 3: Developing device, 4:
High voltage power supply, 5: switching control means, 11: corona discharge electrode, 12: shield plate.
Claims (1)
ド板の内部にコロナ放電電極を配置した帯電器を
感光体表面に対向して平行に複数配置し、上記複
数の帯電器の各コロナ放電電極に高電圧を印加す
るための単一の高圧電源を設け、上記感光体の表
面電位がほぼ一定となる様に各帯電器においてそ
れぞれのコロナ放電電極と感光体の関係位置を設
定し、更に上記複数の帯電器を択一的に切換制御
する手段を設けたことを特徴とする電子写真用コ
ロナ放電装置。 A plurality of chargers each having a corona discharge electrode arranged inside a shield plate having an opening in the direction of the photoreceptor are arranged in parallel facing the surface of the photoreceptor, and a high voltage is applied to each corona discharge electrode of the plurality of chargers. A single high-voltage power supply is provided for applying voltage, and the relative positions of the corona discharge electrodes and the photoreceptor are set in each charger so that the surface potential of the photoreceptor is approximately constant. 1. A corona discharge device for electrophotography, characterized in that it is provided with means for selectively switching and controlling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11857685U JPS6225958U (en) | 1985-07-30 | 1985-07-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11857685U JPS6225958U (en) | 1985-07-30 | 1985-07-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6225958U true JPS6225958U (en) | 1987-02-17 |
Family
ID=31005157
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11857685U Pending JPS6225958U (en) | 1985-07-30 | 1985-07-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6225958U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01145544U (en) * | 1988-03-15 | 1989-10-06 | ||
| JPH0499150U (en) * | 1991-01-25 | 1992-08-27 |
-
1985
- 1985-07-30 JP JP11857685U patent/JPS6225958U/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01145544U (en) * | 1988-03-15 | 1989-10-06 | ||
| JPH0499150U (en) * | 1991-01-25 | 1992-08-27 |
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