JPH048793B2 - - Google Patents
Info
- Publication number
- JPH048793B2 JPH048793B2 JP59182090A JP18209084A JPH048793B2 JP H048793 B2 JPH048793 B2 JP H048793B2 JP 59182090 A JP59182090 A JP 59182090A JP 18209084 A JP18209084 A JP 18209084A JP H048793 B2 JPH048793 B2 JP H048793B2
- Authority
- JP
- Japan
- Prior art keywords
- developer
- sensor
- sleeve
- toner
- magnet
- 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
- 230000001105 regulatory effect Effects 0.000 claims description 24
- 230000035699 permeability Effects 0.000 claims description 23
- 238000001514 detection method Methods 0.000 claims description 19
- 230000001276 controlling effect Effects 0.000 claims description 4
- 230000007423 decrease Effects 0.000 description 11
- 108091008695 photoreceptors Proteins 0.000 description 11
- 238000010586 diagram Methods 0.000 description 10
- 239000003990 capacitor Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 230000033228 biological regulation Effects 0.000 description 4
- 238000009499 grossing Methods 0.000 description 4
- 230000010355 oscillation Effects 0.000 description 3
- 229910000859 α-Fe Inorganic materials 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000010363 phase shift Effects 0.000 description 1
- 230000004043 responsiveness Effects 0.000 description 1
- 238000007493 shaping process Methods 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
-
- 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)
- Magnetic Brush Developing In Electrophotography (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP18209084A JPS6157972A (ja) | 1984-08-29 | 1984-08-29 | 現像剤の濃度制御装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP18209084A JPS6157972A (ja) | 1984-08-29 | 1984-08-29 | 現像剤の濃度制御装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS6157972A JPS6157972A (ja) | 1986-03-25 |
JPH048793B2 true JPH048793B2 (de) | 1992-02-18 |
Family
ID=16112181
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP18209084A Granted JPS6157972A (ja) | 1984-08-29 | 1984-08-29 | 現像剤の濃度制御装置 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6157972A (de) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63201674A (ja) * | 1987-02-17 | 1988-08-19 | Sanyo Electric Co Ltd | 現像装置 |
JPH0656531B2 (ja) * | 1987-02-25 | 1994-07-27 | シャープ株式会社 | 電子写真プロセスにおける現像装置 |
JP2582712Y2 (ja) * | 1992-07-25 | 1998-10-08 | オーデリック株式会社 | 仮設照明装置 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS52123242A (en) * | 1976-04-09 | 1977-10-17 | Hitachi Ltd | Detector for toner mixing ratio of developing agent |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS575628Y2 (de) * | 1972-11-07 | 1982-02-02 |
-
1984
- 1984-08-29 JP JP18209084A patent/JPS6157972A/ja active Granted
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS52123242A (en) * | 1976-04-09 | 1977-10-17 | Hitachi Ltd | Detector for toner mixing ratio of developing agent |
Also Published As
Publication number | Publication date |
---|---|
JPS6157972A (ja) | 1986-03-25 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
LAPS | Cancellation because of no payment of annual fees |