JPS58105260A - 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
- JPS58105260A JPS58105260A JP20365081A JP20365081A JPS58105260A JP S58105260 A JPS58105260 A JP S58105260A JP 20365081 A JP20365081 A JP 20365081A JP 20365081 A JP20365081 A JP 20365081A JP S58105260 A JPS58105260 A JP S58105260A
- Authority
- JP
- Japan
- Prior art keywords
- developer
- coil
- magnetic
- concentration
- current
- 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
- 238000001514 detection method Methods 0.000 claims description 11
- 239000003795 chemical substances by application Substances 0.000 claims description 7
- 239000011812 mixed powder Substances 0.000 claims description 3
- 230000007423 decrease Effects 0.000 description 12
- 230000004907 flux Effects 0.000 description 6
- 239000003990 capacitor Substances 0.000 description 5
- 239000006247 magnetic powder Substances 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- WZCQRUWWHSTZEM-UHFFFAOYSA-N 1,3-phenylenediamine Chemical compound NC1=CC=CC(N)=C1 WZCQRUWWHSTZEM-UHFFFAOYSA-N 0.000 description 1
- 241000272201 Columbiformes Species 0.000 description 1
- 241000252233 Cyprinus carpio Species 0.000 description 1
- 206010034972 Photosensitivity reaction Diseases 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000036211 photosensitivity Effects 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 229910000859 α-Fe Inorganic materials 0.000 description 1
Classifications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G15/00—Apparatus for electrographic processes using a charge pattern
- G03G15/06—Apparatus for electrographic processes using a charge pattern for developing
- G03G15/08—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer
- G03G15/0822—Arrangements for preparing, mixing, supplying or dispensing developer
- G03G15/0848—Arrangements for testing or measuring developer properties or quality, e.g. charge, size, flowability
- G03G15/0849—Detection or control means for the developer concentration
- G03G15/0853—Detection or control means for the developer concentration the concentration being measured by magnetic means
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Dry Development In Electrophotography (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20365081A JPS58105260A (ja) | 1981-12-18 | 1981-12-18 | 現像剤の濃度検知装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20365081A JPS58105260A (ja) | 1981-12-18 | 1981-12-18 | 現像剤の濃度検知装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS58105260A true JPS58105260A (ja) | 1983-06-23 |
| JPH0122618B2 JPH0122618B2 (cs) | 1989-04-27 |
Family
ID=16477554
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP20365081A Granted JPS58105260A (ja) | 1981-12-18 | 1981-12-18 | 現像剤の濃度検知装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58105260A (cs) |
-
1981
- 1981-12-18 JP JP20365081A patent/JPS58105260A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0122618B2 (cs) | 1989-04-27 |
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