JPS5886451A - 現像剤の濃度検知装置 - Google Patents
現像剤の濃度検知装置Info
- Publication number
- JPS5886451A JPS5886451A JP18387581A JP18387581A JPS5886451A JP S5886451 A JPS5886451 A JP S5886451A JP 18387581 A JP18387581 A JP 18387581A JP 18387581 A JP18387581 A JP 18387581A JP S5886451 A JPS5886451 A JP S5886451A
- Authority
- JP
- Japan
- Prior art keywords
- developer
- coil
- voltage
- current
- concentration
- 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
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 true JPS5886451A (ja) | 1983-05-24 |
| JPH0345832B2 JPH0345832B2 (enrdf_load_stackoverflow) | 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 (enrdf_load_stackoverflow) |
Cited By (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
Cited By (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− |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0345832B2 (enrdf_load_stackoverflow) | 1991-07-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US3475624A (en) | Firing circuit for controlling two circuit parameters | |
| US4157035A (en) | Inductive flow meter | |
| IES20100604A2 (en) | DC & AC current detection circuit | |
| JPS5886451A (ja) | 現像剤の濃度検知装置 | |
| US4059796A (en) | Second harmonic magnetic field detection circuit with means to rectify the sensed signal | |
| US3710135A (en) | Alternating and direct current transformer using harmonic modulator | |
| US2950438A (en) | Apparatus for measuring large d.-c. currents | |
| US4467662A (en) | Signal rectifier, especially for magnetoelastic transducers | |
| US2962658A (en) | Directional tachometer generator | |
| US3728558A (en) | Synchronized trigger generators for use with a switching regulator | |
| US3281672A (en) | Apparatus including an oscillator for detecting faults in coil windings and having means for comparing the frequency and amplitude of the oscillator output signal | |
| US3427471A (en) | Phase angle detector | |
| JPH0345833B2 (enrdf_load_stackoverflow) | ||
| JPS62245152A (ja) | 粉体検出装置 | |
| EP0278635A1 (en) | Negative feedback power supply apparatus | |
| JPH0425500B2 (enrdf_load_stackoverflow) | ||
| JPS59202475A (ja) | 現像剤の濃度検知装置 | |
| JPS62164068A (ja) | 現像剤トナ−濃度の制御方法 | |
| US4218652A (en) | Apparatus for measuring the intensity and direction of external magnetic fields including power supply and recording units having respective semi-conductor devices | |
| JPH0594857U (ja) | 現像剤のトナー濃度検出装置 | |
| JPS60198467A (ja) | 電流検出装置 | |
| JPS6018061B2 (ja) | トナー濃度制御装置 | |
| JPH0122618B2 (enrdf_load_stackoverflow) | ||
| JPH0340348B2 (enrdf_load_stackoverflow) | ||
| RU1770986C (ru) | Блок считывани информации дл запоминающего устройства на цилиндрических магнитных доменах |