JPH0448393B2 - - Google Patents
Info
- Publication number
- JPH0448393B2 JPH0448393B2 JP60229369A JP22936985A JPH0448393B2 JP H0448393 B2 JPH0448393 B2 JP H0448393B2 JP 60229369 A JP60229369 A JP 60229369A JP 22936985 A JP22936985 A JP 22936985A JP H0448393 B2 JPH0448393 B2 JP H0448393B2
- Authority
- JP
- Japan
- Prior art keywords
- coil
- developer
- developing device
- substrate
- density
- 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.)
- Expired - Lifetime
Links
- 238000001514 detection method Methods 0.000 claims description 21
- 239000000758 substrate Substances 0.000 claims description 13
- 230000005291 magnetic effect Effects 0.000 claims description 10
- 230000008878 coupling Effects 0.000 claims description 4
- 238000010168 coupling process Methods 0.000 claims description 4
- 238000005859 coupling reaction Methods 0.000 claims description 4
- 239000000696 magnetic material Substances 0.000 claims description 4
- 239000004020 conductor Substances 0.000 claims description 2
- 230000035699 permeability Effects 0.000 claims description 2
- 238000005259 measurement Methods 0.000 claims 1
- 230000010355 oscillation Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910001035 Soft ferrite Inorganic materials 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000005294 ferromagnetic effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
Landscapes
- Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
- Magnetic Brush Developing In Electrophotography (AREA)
- Dry Development In Electrophotography (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP22936985A JPS6289081A (ja) | 1985-10-15 | 1985-10-15 | 現像装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP22936985A JPS6289081A (ja) | 1985-10-15 | 1985-10-15 | 現像装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6289081A JPS6289081A (ja) | 1987-04-23 |
| JPH0448393B2 true JPH0448393B2 (US08197722-20120612-C00042.png) | 1992-08-06 |
Family
ID=16891087
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP22936985A Granted JPS6289081A (ja) | 1985-10-15 | 1985-10-15 | 現像装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6289081A (US08197722-20120612-C00042.png) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001007969A1 (fr) | 1999-07-23 | 2001-02-01 | Fujitsu Limited | Dispositif de formation d'images et machine a developper |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5999460A (ja) * | 1982-11-29 | 1984-06-08 | Hitachi Metals Ltd | トナ−レベルセンサ |
| JPS60147775A (ja) * | 1984-01-11 | 1985-08-03 | Hitachi Metals Ltd | 現像装置 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60100758U (ja) * | 1983-12-15 | 1985-07-09 | 株式会社東芝 | 現像装置 |
-
1985
- 1985-10-15 JP JP22936985A patent/JPS6289081A/ja active Granted
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5999460A (ja) * | 1982-11-29 | 1984-06-08 | Hitachi Metals Ltd | トナ−レベルセンサ |
| JPS60147775A (ja) * | 1984-01-11 | 1985-08-03 | Hitachi Metals Ltd | 現像装置 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6289081A (ja) | 1987-04-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4660505A (en) | Developing apparatus | |
| JPH0448393B2 (US08197722-20120612-C00042.png) | ||
| US4868601A (en) | Developing unit for electrophotography with toner sensor | |
| JPS63208867A (ja) | 現像方法 | |
| JPS602599Y2 (ja) | トナ−濃度検出装置 | |
| US20230400795A1 (en) | Developing device | |
| JP2646147B2 (ja) | ２成分現像法を用いる現像装置のトナー濃度安定構造設定方法 | |
| JPS62112182A (ja) | 現像剤のトナ−濃度制御装置 | |
| JPH0418306B2 (US08197722-20120612-C00042.png) | ||
| JPS60220374A (ja) | 現像装置 | |
| JPH01210979A (ja) | 現像装置 | |
| JPH0795207B2 (ja) | 現像装置 | |
| JP2966885B2 (ja) | 現像装置 | |
| JPS59164575A (ja) | トナ−濃度検出装置 | |
| KR940005701Y1 (ko) | 복사기의 토너농도 감지장치 | |
| JPH0239179A (ja) | 現像装置 | |
| EP0474409B1 (en) | A magnetic brush developing apparatus | |
| JPH0440485A (ja) | トナー濃度制御装置 | |
| JPS60147775A (ja) | 現像装置 | |
| JPS62201482A (ja) | 現像剤のトナ−濃度検出器 | |
| JPH04174473A (ja) | トナー濃度制御装置 | |
| JPS59164576A (ja) | 現像装置 | |
| JPS63291072A (ja) | 現像装置 | |
| JPS59232375A (ja) | 現像装置 | |
| JPH04174474A (ja) | トナー濃度制御装置 |
