JPS56113162A - Corona charger - Google Patents
Corona chargerInfo
- Publication number
- JPS56113162A JPS56113162A JP1597080A JP1597080A JPS56113162A JP S56113162 A JPS56113162 A JP S56113162A JP 1597080 A JP1597080 A JP 1597080A JP 1597080 A JP1597080 A JP 1597080A JP S56113162 A JPS56113162 A JP S56113162A
- Authority
- JP
- Japan
- Prior art keywords
- electrode plates
- charged
- unevenness
- axial direction
- 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
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 prevent the uneven charging of the surface to be charged by forming the multiple electrode plates which are electrically divided in an axial direction, within a shield which encloses a corona discharge electrode wire and has an opening in opposition to the surface to be charged. CONSTITUTION:A shield 1 consists of an insulator and a grounded earth electrode 3 is provided to the bottom wall 1a thereof. Plural electrode plates 41, 42, 43, 44, 45- are provided on the inside surfaces of both side walls 1b, 1b thereof respectively by having spaces in the direction (axial direction) along a corona discharge electrode wire 2, and the electrode plates 4, 4 provided to mutually opposing both side walls 1b, 1b are respectively electrically connected. The electrode plates 41, 43- and the electrode plates 42, 44 are electrically connected respectively to the 1st, 2nd wirings 5, 6 in an axial direction. Since in this way bias voltage is applied alternately to the 1st, 2nd wirings, the direction of the electric field becomes alternately opposite, thus despite the existing of axial unevenness (discharge unevenness) in charge quantity, the occurrence of charging unevenness on the surface to be charged is prevented.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1597080A JPS56113162A (en) | 1980-02-14 | 1980-02-14 | Corona charger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1597080A JPS56113162A (en) | 1980-02-14 | 1980-02-14 | Corona charger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS56113162A true JPS56113162A (en) | 1981-09-05 |
Family
ID=11903561
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1597080A Pending JPS56113162A (en) | 1980-02-14 | 1980-02-14 | Corona charger |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS56113162A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6083972A (en) * | 1983-10-14 | 1985-05-13 | Matsushita Graphic Commun Syst Inc | Electrostatic charger for toner |
-
1980
- 1980-02-14 JP JP1597080A patent/JPS56113162A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6083972A (en) * | 1983-10-14 | 1985-05-13 | Matsushita Graphic Commun Syst Inc | Electrostatic charger for toner |
| JPH0327117B2 (en) * | 1983-10-14 | 1991-04-12 | Matsushita Graphic Communic |
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