DE3309468C2 - - Google Patents
Info
- Publication number
- DE3309468C2 DE3309468C2 DE3309468A DE3309468A DE3309468C2 DE 3309468 C2 DE3309468 C2 DE 3309468C2 DE 3309468 A DE3309468 A DE 3309468A DE 3309468 A DE3309468 A DE 3309468A DE 3309468 C2 DE3309468 C2 DE 3309468C2
- Authority
- DE
- Germany
- Prior art keywords
- toner supply
- toner
- density
- image
- development
- 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 - Fee Related
Links
- 238000005259 measurement Methods 0.000 claims description 7
- 238000012806 monitoring device Methods 0.000 claims description 5
- 230000008859 change Effects 0.000 claims description 4
- 238000012544 monitoring process Methods 0.000 claims description 2
- 108091008695 photoreceptors Proteins 0.000 claims 1
- 238000011161 development Methods 0.000 description 32
- 230000018109 developmental process Effects 0.000 description 32
- 238000000034 method Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 4
- 230000001105 regulatory effect Effects 0.000 description 4
- 238000011109 contamination Methods 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- 230000007423 decrease Effects 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 241001465754 Metazoa Species 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 239000012256 powdered iron Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
- 238000004804 winding 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
- G03G15/0855—Detection or control means for the developer concentration the concentration being measured by optical means
-
- 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
- G03G15/50—Machine control of apparatus for electrographic processes using a charge pattern, e.g. regulating differents parts of the machine, multimode copiers, microprocessor control
- G03G15/5033—Machine control of apparatus for electrographic processes using a charge pattern, e.g. regulating differents parts of the machine, multimode copiers, microprocessor control by measuring the photoconductor characteristics, e.g. temperature, or the characteristics of an image on the photoconductor
- G03G15/5041—Detecting a toner image, e.g. density, toner coverage, using a test patch
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Dry Development In Electrophotography (AREA)
- Control Or Security For Electrophotography (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP57041657A JPS58159560A (ja) | 1982-03-18 | 1982-03-18 | トナ−補給制御装置 |
| JP5961982A JPS58176659A (ja) | 1982-04-12 | 1982-04-12 | トナ−補給制御装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE3309468A1 DE3309468A1 (de) | 1983-09-29 |
| DE3309468C2 true DE3309468C2 (en, 2012) | 1990-12-06 |
Family
ID=26381308
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19833309468 Granted DE3309468A1 (de) | 1982-03-18 | 1983-03-16 | Tonerzufuhr-regelvorrichtung |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US4571068A (en, 2012) |
| DE (1) | DE3309468A1 (en, 2012) |
| GB (1) | GB2119969B (en, 2012) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0789250B2 (ja) * | 1986-02-04 | 1995-09-27 | ミノルタ株式会社 | 画像記録装置 |
| JPS6370875A (ja) * | 1986-09-12 | 1988-03-31 | Sharp Corp | トナ−補給時のトナ−濃度基準レベル設定方法 |
| US4878082A (en) * | 1987-03-12 | 1989-10-31 | Minolta Camera Kabushiki Kaisha | Automatic image density control apparatus |
| US4875078A (en) * | 1988-09-08 | 1989-10-17 | Eastman Kodak Company | Dead time compensation for toner replenishment |
| US4950905A (en) * | 1989-02-06 | 1990-08-21 | Xerox Corporation | Colored toner optical developability sensor with improved sensing latitude |
| US5003327A (en) * | 1989-11-15 | 1991-03-26 | Delphax Systems | Printer autocontrast control |
| JPH06246961A (ja) * | 1993-02-24 | 1994-09-06 | Fuji Xerox Co Ltd | 画像形成装置 |
| JP3043552B2 (ja) * | 1993-10-04 | 2000-05-22 | シャープ株式会社 | 電子写真装置の画質安定化装置 |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2956487A (en) * | 1955-03-23 | 1960-10-18 | Rca Corp | Electrostatic printing |
| US4032227A (en) * | 1976-01-15 | 1977-06-28 | International Business Machines Corporation | Toner concentration control apparatus |
| JPS5426745A (en) * | 1977-07-29 | 1979-02-28 | Eastman Kodak Co | Monitoring method and apparatus of toner concentration |
| JPS5497038A (en) * | 1978-01-17 | 1979-07-31 | Konishiroku Photo Ind Co Ltd | Image density controller for zerographic copier |
| JPS54143144A (en) * | 1978-04-14 | 1979-11-08 | Konishiroku Photo Ind Co Ltd | Image density detecting method and apparatus for zerographic copier |
| JPS54141645A (en) * | 1978-04-26 | 1979-11-05 | Ricoh Co Ltd | Copy image adjusting method |
| US4341461A (en) * | 1980-04-07 | 1982-07-27 | Xerox Corporation | Development control of a reproduction machine |
| JP2970028B2 (ja) * | 1991-04-16 | 1999-11-02 | 松下電器産業株式会社 | 車両動態計測装置 |
-
1983
- 1983-03-11 US US06/474,495 patent/US4571068A/en not_active Expired - Lifetime
- 1983-03-11 GB GB08306821A patent/GB2119969B/en not_active Expired
- 1983-03-16 DE DE19833309468 patent/DE3309468A1/de active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| GB2119969A (en) | 1983-11-23 |
| US4571068A (en) | 1986-02-18 |
| GB8306821D0 (en) | 1983-04-20 |
| GB2119969B (en) | 1986-01-08 |
| DE3309468A1 (de) | 1983-09-29 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8128 | New person/name/address of the agent |
Representative=s name: HENKEL, G., DR.PHIL. FEILER, L., DR.RER.NAT. HAENZ |
|
| 8110 | Request for examination paragraph 44 | ||
| D2 | Grant after examination | ||
| 8327 | Change in the person/name/address of the patent owner |
Owner name: KONICA CORP., TOKIO/TOKYO, JP |
|
| 8328 | Change in the person/name/address of the agent |
Free format text: FEILER, L., DR.RER.NAT. HAENZEL, W., DIPL.-ING., PAT.-ANWAELTE, 8000 MUENCHEN |
|
| 8364 | No opposition during term of opposition | ||
| 8339 | Ceased/non-payment of the annual fee |