JPH0270216U - - Google Patents
Info
- Publication number
- JPH0270216U JPH0270216U JP14819588U JP14819588U JPH0270216U JP H0270216 U JPH0270216 U JP H0270216U JP 14819588 U JP14819588 U JP 14819588U JP 14819588 U JP14819588 U JP 14819588U JP H0270216 U JPH0270216 U JP H0270216U
- Authority
- JP
- Japan
- Prior art keywords
- voltage
- voltage output
- output
- medium
- monitor
- 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.)
- Granted
Links
- 238000010586 diagram Methods 0.000 description 4
Landscapes
- Developing For Electrophotography (AREA)
- Electrostatic Charge, Transfer And Separation In Electrography (AREA)
- Rectifiers (AREA)
- Control Of Voltage And Current In General (AREA)
Description
第１図は本考案の第１実施例の回路図、第２図
はその動作を説明するためのタイムチヤート、第
３図は該実施例の高圧電源装置を複写機等のドラ
ム周囲の機器の電源として使用した時の、該機器
に印加される電圧とドラム帯電量とトナー付着量
を示すタイムチヤート、第４図は本考案の第２実
施例の回路図、第５図は従来装置の回路図、第６
図はドラム周りに配置された機器を示す概略図、
第７図は従来の高圧電源装置によつて前記機器に
印加される電圧とドラム帯電量とトナー付着量を
示すタイムチヤートである。
４……比較器、５……駆動制御回路、６……ス
イツチングトランジスタ、３１，３５……トラン
ジスタ。
FIG. 1 is a circuit diagram of the first embodiment of the present invention, FIG. 2 is a time chart for explaining its operation, and FIG. A time chart showing the voltage applied to the device, the drum charge amount, and the toner adhesion amount when used as a power source. Figure 4 is a circuit diagram of the second embodiment of the present invention, and Figure 5 is a circuit diagram of the conventional device. Figure, 6th
The figure is a schematic diagram showing the equipment arranged around the drum,
FIG. 7 is a time chart showing the voltage applied to the device by a conventional high-voltage power supply, the amount of charge on the drum, and the amount of toner adhesion. 4... Comparator, 5... Drive control circuit, 6... Switching transistor, 31, 35... Transistor.
Claims (1)
数の中圧出力回路とを接続し、高圧出力モニタ電
圧に応じて該高圧トランス入力を制御して、高圧
出力および中圧出力を制御するようにした高圧電
源装置において、 前記高圧出力モニタ電圧と基準電圧とを比較す
る手段と、該基準電圧を変化させる手段とを具備
したことを特徴とする高圧電源装置。[Claims for Utility Model Registration] A high-voltage output circuit and an arbitrary number of medium-voltage output circuits are connected to the output side of a high-voltage transformer, and the high-voltage transformer input is controlled according to the high-voltage output monitor voltage, and the high-voltage output and A high-voltage power supply device configured to control medium-voltage output, comprising: means for comparing the high-voltage output monitor voltage with a reference voltage; and means for changing the reference voltage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988148195U JPH0736370Y2 (en) | 1988-11-14 | 1988-11-14 | High voltage power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988148195U JPH0736370Y2 (en) | 1988-11-14 | 1988-11-14 | High voltage power supply |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0270216U true JPH0270216U (en) | 1990-05-29 |
| JPH0736370Y2 JPH0736370Y2 (en) | 1995-08-16 |
Family
ID=31419296
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988148195U Expired - Lifetime JPH0736370Y2 (en) | 1988-11-14 | 1988-11-14 | High voltage power supply |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0736370Y2 (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62115785U (en) * | 1986-01-10 | 1987-07-23 |
-
1988
- 1988-11-14 JP JP1988148195U patent/JPH0736370Y2/en not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62115785U (en) * | 1986-01-10 | 1987-07-23 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0736370Y2 (en) | 1995-08-16 |
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