JPH0345832B2 - - Google Patents
Info
- Publication number
- JPH0345832B2 JPH0345832B2 JP18387581A JP18387581A JPH0345832B2 JP H0345832 B2 JPH0345832 B2 JP H0345832B2 JP 18387581 A JP18387581 A JP 18387581A JP 18387581 A JP18387581 A JP 18387581A JP H0345832 B2 JPH0345832 B2 JP H0345832B2
- Authority
- JP
- Japan
- Prior art keywords
- voltage
- concentration
- developer
- coil
- volume
- 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 12
- 239000002131 composite material Substances 0.000 claims description 2
- 230000007423 decrease Effects 0.000 description 18
- 239000003990 capacitor Substances 0.000 description 12
- 238000010586 diagram Methods 0.000 description 9
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 230000003247 decreasing effect Effects 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 230000001965 increasing effect Effects 0.000 description 2
- 230000001939 inductive effect Effects 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 1
- 238000001739 density measurement Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 229910000859 α-Fe Inorganic materials 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/72—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
- Dry Development In Electrophotography (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18387581A JPS5886451A (ja) | 1981-11-18 | 1981-11-18 | 現像剤の濃度検知装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18387581A JPS5886451A (ja) | 1981-11-18 | 1981-11-18 | 現像剤の濃度検知装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5886451A JPS5886451A (ja) | 1983-05-24 |
| JPH0345832B2 true JPH0345832B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1991-07-12 |
Family
ID=16143352
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18387581A Granted JPS5886451A (ja) | 1981-11-18 | 1981-11-18 | 現像剤の濃度検知装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5886451A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60254170A (ja) * | 1984-05-31 | 1985-12-14 | Hitachi Metals Ltd | トナ−濃度等のセンサ− |
-
1981
- 1981-11-18 JP JP18387581A patent/JPS5886451A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5886451A (ja) | 1983-05-24 |