JPS5738459A - Corona discharger of electrophotographic copier or the like - Google Patents
Corona discharger of electrophotographic copier or the likeInfo
- Publication number
- JPS5738459A JPS5738459A JP11397380A JP11397380A JPS5738459A JP S5738459 A JPS5738459 A JP S5738459A JP 11397380 A JP11397380 A JP 11397380A JP 11397380 A JP11397380 A JP 11397380A JP S5738459 A JPS5738459 A JP S5738459A
- Authority
- JP
- Japan
- Prior art keywords
- shield
- wire
- current
- discharge
- earth
- 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
Classifications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G15/00—Apparatus for electrographic processes using a charge pattern
- G03G15/02—Apparatus for electrographic processes using a charge pattern for laying down a uniform charge, e.g. for sensitising; Corona discharge devices
- G03G15/0291—Apparatus for electrographic processes using a charge pattern for laying down a uniform charge, e.g. for sensitising; Corona discharge devices corona discharge devices, e.g. wires, pointed electrodes, means for cleaning the corona discharge device
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- General Physics & Mathematics (AREA)
Abstract
PURPOSE:To increase the using efficiency of current and prevent faulty phenomenon such as spark discharge, etc., by connecting a diode between a metallic wire and a shield as well as between a shield and an earth respectively so as to flow the current in the prescribed direction. CONSTITUTION:An AC high voltage power source 5 is applied via a capacitor 4 to a metallic wire 3 which is stretched within a metallic shield 2. At the same time, diodes 7 and 8 are connected between the wire 3 and the shield 2 as well as between the shield 2 and an earth 5 to flow the current only toward the shield 2 from the wire 3 and toward the earth 5 from the shield 2 respectively. The property of AC discharge is never impaired for the wire 3 since the positive voltage is instantaneously applied to the wire 3. In other words, the uneven discharge distribution can be improved by leaving the property of AC discharge. Furthermore, using efficiency of current is greatly increased because the discharged current does not flow toward the shield 2. In such constitution, the faulty phenomenon such as the spark discharge, etc. is prevented.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11397380A JPS5738459A (en) | 1980-08-21 | 1980-08-21 | Corona discharger of electrophotographic copier or the like |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11397380A JPS5738459A (en) | 1980-08-21 | 1980-08-21 | Corona discharger of electrophotographic copier or the like |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5738459A true JPS5738459A (en) | 1982-03-03 |
Family
ID=14625847
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11397380A Pending JPS5738459A (en) | 1980-08-21 | 1980-08-21 | Corona discharger of electrophotographic copier or the like |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5738459A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5993948U (en) * | 1982-12-16 | 1984-06-26 | 三菱自動車工業株式会社 | Vehicle for collection work |
| US10439146B2 (en) | 2015-08-07 | 2019-10-08 | Semiconductor Energy Laboratory Co., Ltd. | Organic compound, light-emitting element, light-emitting device, electronic device, and lighting device |
-
1980
- 1980-08-21 JP JP11397380A patent/JPS5738459A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5993948U (en) * | 1982-12-16 | 1984-06-26 | 三菱自動車工業株式会社 | Vehicle for collection work |
| JPH0113650Y2 (en) * | 1982-12-16 | 1989-04-21 | ||
| US10439146B2 (en) | 2015-08-07 | 2019-10-08 | Semiconductor Energy Laboratory Co., Ltd. | Organic compound, light-emitting element, light-emitting device, electronic device, and lighting device |
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