JPH0322989B2 - - Google Patents
Info
- Publication number
- JPH0322989B2 JPH0322989B2 JP13076781A JP13076781A JPH0322989B2 JP H0322989 B2 JPH0322989 B2 JP H0322989B2 JP 13076781 A JP13076781 A JP 13076781A JP 13076781 A JP13076781 A JP 13076781A JP H0322989 B2 JPH0322989 B2 JP H0322989B2
- Authority
- JP
- Japan
- Prior art keywords
- toner
- voltage
- remaining amount
- developing
- detection
- 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 44
- 239000004020 conductor Substances 0.000 claims description 32
- 239000002184 metal Substances 0.000 claims description 14
- 229910052751 metal Inorganic materials 0.000 claims description 14
- 230000008859 change Effects 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 4
- 230000010355 oscillation Effects 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 15
- 239000003990 capacitor Substances 0.000 description 7
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 6
- 101100365087 Arabidopsis thaliana SCRA gene Proteins 0.000 description 4
- 101150105073 SCR1 gene Proteins 0.000 description 4
- 101100134054 Saccharomyces cerevisiae (strain ATCC 204508 / S288c) NTG1 gene Proteins 0.000 description 4
- 229910052742 iron Inorganic materials 0.000 description 3
- 230000009191 jumping Effects 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 101100286980 Daucus carota INV2 gene Proteins 0.000 description 1
- 101100397045 Xenopus laevis invs-b gene Proteins 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 229920006395 saturated elastomer Polymers 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
- G03G15/0856—Detection or control means for the developer level
-
- 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
- G03G15/0856—Detection or control means for the developer level
- G03G15/086—Detection or control means for the developer level the level being measured by electro-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 |
|---|---|---|---|
| JP13076781A JPS5831363A (ja) | 1981-08-19 | 1981-08-19 | トナ−残量検知装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13076781A JPS5831363A (ja) | 1981-08-19 | 1981-08-19 | トナ−残量検知装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5831363A JPS5831363A (ja) | 1983-02-24 |
| JPH0322989B2 true JPH0322989B2 (US20030199744A1-20031023-C00003.png) | 1991-03-28 |
Family
ID=15042167
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13076781A Granted JPS5831363A (ja) | 1981-08-19 | 1981-08-19 | トナ−残量検知装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5831363A (US20030199744A1-20031023-C00003.png) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0792623B2 (ja) * | 1985-10-17 | 1995-10-09 | キヤノン株式会社 | 現像装置 |
| JPS63149674A (ja) * | 1986-12-15 | 1988-06-22 | Canon Inc | 現像剤検知装置 |
| JPS63208885A (ja) * | 1987-02-26 | 1988-08-30 | Canon Inc | 画像形成装置 |
| JP2648143B2 (ja) * | 1987-02-27 | 1997-08-27 | キヤノン株式会社 | 現像剤残量検知装置 |
| DE10061852A1 (de) * | 2000-12-12 | 2002-06-27 | Bosch Gmbh Robert | Verfahren und Vorrichtung zum Kühlen einer Kraftstoffeinspritzanlage |
-
1981
- 1981-08-19 JP JP13076781A patent/JPS5831363A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5831363A (ja) | 1983-02-24 |
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