JPH0358515B2 - - Google Patents
Info
- Publication number
- JPH0358515B2 JPH0358515B2 JP18736282A JP18736282A JPH0358515B2 JP H0358515 B2 JPH0358515 B2 JP H0358515B2 JP 18736282 A JP18736282 A JP 18736282A JP 18736282 A JP18736282 A JP 18736282A JP H0358515 B2 JPH0358515 B2 JP H0358515B2
- Authority
- JP
- Japan
- Prior art keywords
- toner
- signal
- reference signal
- concentration
- circuit
- 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
- 238000001514 detection method Methods 0.000 claims description 38
- 239000011521 glass Substances 0.000 description 17
- 238000010586 diagram Methods 0.000 description 9
- 230000007423 decrease Effects 0.000 description 6
- 230000008859 change Effects 0.000 description 5
- 230000015556 catabolic process Effects 0.000 description 4
- 239000003990 capacitor Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000001739 density measurement Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 108091008695 photoreceptors Proteins 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000003595 spectral effect Effects 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
- G03G15/0855—Detection or control means for the developer concentration the concentration being measured by optical means
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Dry Development In Electrophotography (AREA)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18736282A JPS5977461A (ja) | 1982-10-27 | 1982-10-27 | トナ−補給装置 |
| US06/543,930 US4648702A (en) | 1982-10-27 | 1983-10-20 | Toner density detector and toner supplier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18736282A JPS5977461A (ja) | 1982-10-27 | 1982-10-27 | トナ−補給装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5977461A JPS5977461A (ja) | 1984-05-02 |
| JPH0358515B2 true JPH0358515B2 (enExample) | 1991-09-05 |
Family
ID=16204661
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18736282A Granted JPS5977461A (ja) | 1982-10-27 | 1982-10-27 | トナ−補給装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5977461A (enExample) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6123178A (ja) * | 1984-07-12 | 1986-01-31 | Ricoh Co Ltd | トナ−補給装置 |
| JPS62127648A (ja) * | 1985-11-28 | 1987-06-09 | Canon Inc | 二成分現像剤の濃度検出方法 |
-
1982
- 1982-10-27 JP JP18736282A patent/JPS5977461A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5977461A (ja) | 1984-05-02 |
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