JPH0122618B2 - - Google Patents
Info
- Publication number
- JPH0122618B2 JPH0122618B2 JP20365081A JP20365081A JPH0122618B2 JP H0122618 B2 JPH0122618 B2 JP H0122618B2 JP 20365081 A JP20365081 A JP 20365081A JP 20365081 A JP20365081 A JP 20365081A JP H0122618 B2 JPH0122618 B2 JP H0122618B2
- Authority
- JP
- Japan
- Prior art keywords
- developer
- concentration
- coil
- magnetic
- cylinder
- 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
Links
- 238000001514 detection method Methods 0.000 claims description 9
- 239000011812 mixed powder Substances 0.000 claims description 4
- 230000007423 decrease Effects 0.000 description 12
- 239000006247 magnetic powder Substances 0.000 description 7
- 239000003990 capacitor Substances 0.000 description 5
- 230000004907 flux Effects 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- 239000000969 carrier Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000001179 sorption measurement Methods 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 JPS58105260A (ja) | 1983-06-23 |
JPH0122618B2 true JPH0122618B2 (enrdf_load_html_response) | 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 (enrdf_load_html_response) |
-
1981
- 1981-12-18 JP JP20365081A patent/JPS58105260A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS58105260A (ja) | 1983-06-23 |
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