JPH045386B2 - - Google Patents
Info
- Publication number
- JPH045386B2 JPH045386B2 JP59182093A JP18209384A JPH045386B2 JP H045386 B2 JPH045386 B2 JP H045386B2 JP 59182093 A JP59182093 A JP 59182093A JP 18209384 A JP18209384 A JP 18209384A JP H045386 B2 JPH045386 B2 JP H045386B2
- Authority
- JP
- Japan
- Prior art keywords
- developer
- sensor
- magnet
- toner
- sleeve
- 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
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)
- Magnetic Brush Developing In Electrophotography (AREA)
- Dry Development In Electrophotography (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18209384A JPS6157967A (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 |
|---|---|---|---|
| JP18209384A JPS6157967A (ja) | 1984-08-29 | 1984-08-29 | 現像剤の濃度制御装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6157967A JPS6157967A (ja) | 1986-03-25 |
| JPH045386B2 true JPH045386B2 (pm) | 1992-01-31 |
Family
ID=16112227
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18209384A Granted JPS6157967A (ja) | 1984-08-29 | 1984-08-29 | 現像剤の濃度制御装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6157967A (pm) |
Family Cites Families (5)
| 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 |
| JPS53107850A (en) * | 1977-03-02 | 1978-09-20 | Hitachi Ltd | Toner concentration detector of developing powder |
| JPS53125844A (en) * | 1977-04-11 | 1978-11-02 | Matsushita Electric Ind Co Ltd | Developing apparatus for electrostatic photography |
| JPS56168671A (en) * | 1980-05-29 | 1981-12-24 | Hitachi Metals Ltd | Magnetic brush developing device |
| JPH0142107Y2 (pm) * | 1981-05-20 | 1989-12-11 |
-
1984
- 1984-08-29 JP JP18209384A patent/JPS6157967A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6157967A (ja) | 1986-03-25 |
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