JPH0175246U - - Google Patents
Info
- Publication number
- JPH0175246U JPH0175246U JP1987170412U JP17041287U JPH0175246U JP H0175246 U JPH0175246 U JP H0175246U JP 1987170412 U JP1987170412 U JP 1987170412U JP 17041287 U JP17041287 U JP 17041287U JP H0175246 U JPH0175246 U JP H0175246U
- Authority
- JP
- Japan
- Prior art keywords
- developing device
- recording medium
- electrophotographic apparatus
- magnetic
- magnetic toner
- 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
- 239000006247 magnetic powder Substances 0.000 claims description 2
- 239000000463 material Substances 0.000 claims description 2
- 230000004907 flux Effects 0.000 claims 1
- 230000035699 permeability Effects 0.000 claims 1
- 239000000843 powder Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
Landscapes
- Magnetic Brush Developing In Electrophotography (AREA)
Description
第１図は本考案装置が用いられている電子写真
装置の概略構成を示す構成図、第２図は同装置の
現像器付近の拡大構成図、第３図は記録媒体上の
静電潜像と現像器の関係を模式的に示す構成図、
第４図は従来装置の説明図である。
１…記録媒体、１１…現像器本体、１２…現像
材、１２Ａ…磁性トナー、１２Ｂ…磁性粉。
Fig. 1 is a block diagram showing the schematic structure of an electrophotographic device in which the device of the present invention is used, Fig. 2 is an enlarged block diagram of the developing unit of the same device, and Fig. 3 is an electrostatic latent image on a recording medium. A configuration diagram schematically showing the relationship between and a developing device,
FIG. 4 is an explanatory diagram of a conventional device. DESCRIPTION OF SYMBOLS 1... Recording medium, 11... Developing device main body, 12... Developing material, 12A... Magnetic toner, 12B... Magnetic powder.
Claims (1)
該記録媒体に対して対向配置されている現像器本
体と、該現像器本体と前記記録媒体との間に配設
されている現像材とを備えてなる電子写真装置の
現像装置において、前記現像材は、抵抗値が１０
５〜１０１５Ωcmの磁性トナーと、該磁性トナー
よりも高い透磁率を有する導電性磁性粉とを有し
、現像時、前記導電性磁束粉が前記現像器本体側
に配設されるように構成されていることを特徴と
する電子写真装置の現像装置。 a recording medium that holds a document image as an electrostatic latent image;
In a developing device of an electrophotographic apparatus, the developing device includes a developing device body disposed opposite to the recording medium, and a developer disposed between the developing device body and the recording medium. The material has a resistance value of 10
It has a magnetic toner of 5 to 10 15 Ωcm and conductive magnetic powder having a higher magnetic permeability than the magnetic toner, and the conductive magnetic flux powder is arranged on the developing device main body side during development. A developing device for an electrophotographic apparatus, characterized in that:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987170412U JPH0175246U (en) | 1987-11-06 | 1987-11-06 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987170412U JPH0175246U (en) | 1987-11-06 | 1987-11-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0175246U true JPH0175246U (en) | 1989-05-22 |
Family
ID=31461330
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987170412U Pending JPH0175246U (en) | 1987-11-06 | 1987-11-06 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0175246U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54147837A (en) * | 1978-05-12 | 1979-11-19 | Minolta Camera Co Ltd | Electrophotogaraphic developing method |
-
1987
- 1987-11-06 JP JP1987170412U patent/JPH0175246U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54147837A (en) * | 1978-05-12 | 1979-11-19 | Minolta Camera Co Ltd | Electrophotogaraphic developing method |
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