DE3220993C2 - - Google Patents
Info
- Publication number
- DE3220993C2 DE3220993C2 DE3220993A DE3220993A DE3220993C2 DE 3220993 C2 DE3220993 C2 DE 3220993C2 DE 3220993 A DE3220993 A DE 3220993A DE 3220993 A DE3220993 A DE 3220993A DE 3220993 C2 DE3220993 C2 DE 3220993C2
- Authority
- DE
- Germany
- Prior art keywords
- toner
- developer
- image
- original
- scale
- 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
Links
- 238000011161 development Methods 0.000 claims description 3
- 238000003384 imaging method Methods 0.000 claims 4
- 238000012986 modification Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 230000002093 peripheral effect Effects 0.000 description 3
- 108091008695 photoreceptors Proteins 0.000 description 3
- 239000013589 supplement Substances 0.000 description 3
- 229910000011 cadmium carbonate Inorganic materials 0.000 description 2
- KOHRTFCSIQIYAE-UHFFFAOYSA-N cadmium;carbonic acid Chemical compound [Cd].OC(O)=O KOHRTFCSIQIYAE-UHFFFAOYSA-N 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 239000010410 layer Substances 0.000 description 2
- 230000036316 preload Effects 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 241000872198 Serjania polyphylla Species 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 239000012780 transparent material Substances 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
- G03G15/065—Arrangements for controlling the potential of the developing electrode
-
- 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
- G03G15/50—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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S222/00—Dispensing
- Y10S222/01—Xerography
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Control Or Security For Electrophotography (AREA)
- Dry Development In Electrophotography (AREA)
- Developing For Electrophotography (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56087733A JPS57202569A (en) | 1981-06-08 | 1981-06-08 | Electrophotographic copier |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE3220993A1 DE3220993A1 (de) | 1982-12-23 |
| DE3220993C2 true DE3220993C2 (en, 2012) | 1987-09-10 |
Family
ID=13923118
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE3220993A Granted DE3220993A1 (de) | 1981-06-08 | 1982-06-03 | Elektrofotografisches kopiergeraet |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US4416535A (en, 2012) |
| JP (1) | JPS57202569A (en, 2012) |
| DE (1) | DE3220993A1 (en, 2012) |
Families Citing this family (26)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59136728A (ja) * | 1983-01-26 | 1984-08-06 | Canon Inc | 画像形成装置 |
| JPH0685044B2 (ja) * | 1983-02-28 | 1994-10-26 | キヤノン株式会社 | 像再生出力装置 |
| US4506973A (en) * | 1983-06-20 | 1985-03-26 | Eastman Kodak Company | Toner concentration monitoring apparatus located behind a transparent photoconductor |
| JPS6021038A (ja) * | 1983-07-15 | 1985-02-02 | Minolta Camera Co Ltd | 複写機における画像濃度制御装置 |
| JPS6045279A (ja) * | 1983-08-22 | 1985-03-11 | Konishiroku Photo Ind Co Ltd | トナ−補給制御方法 |
| JPS61201263A (ja) * | 1985-03-04 | 1986-09-05 | Fuji Xerox Co Ltd | 乾式電子写真複写機における自動画像濃度制御装置 |
| US4800414A (en) * | 1986-03-03 | 1989-01-24 | Minolta Camera Kabushiki Kaisha | Magnification varying device for electro-photographic copying machine |
| US4833506A (en) * | 1986-05-30 | 1989-05-23 | Konishiroku Photo Industry Co., Ltd. | Method and apparatus for controlling toner density of copying device |
| JPS62293267A (ja) * | 1986-06-13 | 1987-12-19 | Fujitsu Ltd | 現像装置 |
| US4786942A (en) * | 1986-08-09 | 1988-11-22 | Minolta Camera Kabushiki Kaisha | Image forming apparatus |
| JPH0811452B2 (ja) * | 1986-10-27 | 1996-02-07 | ミノルタ株式会社 | レーザプリンタ |
| US4835566A (en) * | 1986-11-13 | 1989-05-30 | Minolta Camera Kabushiki Kaisha | Electrophotographic copying apparatus |
| US4785331A (en) * | 1986-11-13 | 1988-11-15 | Minolta Camera Kabushiki Kaisha | Electrophotographic copying method and apparatus |
| US4879576A (en) * | 1987-03-13 | 1989-11-07 | Minolta Camera Kabushiki Kaisha | Exposure control device and method |
| JPS63228180A (ja) * | 1987-03-17 | 1988-09-22 | Minolta Camera Co Ltd | トナ−補給装置 |
| US4872025A (en) * | 1987-03-30 | 1989-10-03 | Minolta Camera Kabushiki Kaisha | Laser printer capable of changing a pixel density |
| JPS63254476A (ja) * | 1987-04-11 | 1988-10-21 | Minolta Camera Co Ltd | 電子写真複写機 |
| US4982232A (en) * | 1987-04-20 | 1991-01-01 | Minolta Camera Kabushiki Kaisha | Exposure control system of image forming apparatus |
| US5006893A (en) * | 1987-12-18 | 1991-04-09 | Minolta Camera Kabushiki Kaisha | Image forming apparatus with improved toner replenishment |
| US4875078A (en) * | 1988-09-08 | 1989-10-17 | Eastman Kodak Company | Dead time compensation for toner replenishment |
| JP3007650B2 (ja) * | 1989-05-30 | 2000-02-07 | 株式会社リコー | 画像形成装置 |
| US5124750A (en) * | 1989-09-05 | 1992-06-23 | Minolta Camera Kabushiki Kaisha | Toner density detecting method, and image forming method and apparatus employing the toner density detecting method |
| DE69212915T2 (de) * | 1991-06-18 | 1997-01-02 | Canon Kk | Bilderzeugungsgerät mit der Einstellvorrichtung für die Bilderzeugungsbedingungen ansprechend auf ein Testmusterbild |
| JPH0553422A (ja) * | 1991-08-29 | 1993-03-05 | Minolta Camera Co Ltd | 画像形成装置 |
| US7421223B2 (en) * | 2004-04-23 | 2008-09-02 | Hewlett-Packard Development Company, L.P. | Printing system |
| CN100430838C (zh) * | 2004-09-30 | 2008-11-05 | 兄弟工业株式会社 | 图像形成装置 |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4050806A (en) * | 1974-05-10 | 1977-09-27 | Ricoh Co., Ltd. | Method and apparatus for electrically biasing developing electrode of electrophotographic device |
| US4226525A (en) * | 1976-10-19 | 1980-10-07 | Ricoh Company, Ltd. | Electrostatic copying machine |
| DE2857218C3 (de) * | 1977-02-23 | 1989-08-10 | Ricoh Co., Ltd., Tokio/Tokyo | Verfahren zum Konstanthalten optimaler Bedingungen bei der elektrografischen Vervielfältigung |
| JPS5461938A (en) * | 1977-10-27 | 1979-05-18 | Konishiroku Photo Ind Co Ltd | Copy concentration controller/paper clogging detector |
| JPS5497044A (en) * | 1978-01-17 | 1979-07-31 | Konishiroku Photo Ind Co Ltd | Toner concentration controller for zerographic copier |
| JPS5497038A (en) * | 1978-01-17 | 1979-07-31 | Konishiroku Photo Ind Co Ltd | Image density controller for zerographic copier |
| JPS54131944A (en) * | 1978-04-05 | 1979-10-13 | Ricoh Co Ltd | Toner concentration detector |
| JPS54141645A (en) * | 1978-04-26 | 1979-11-05 | Ricoh Co Ltd | Copy image adjusting method |
| US4277162A (en) * | 1978-07-13 | 1981-07-07 | Ricoh Company, Ltd. | Electrophotographic apparatus comprising density sensor means |
| JPS5590977A (en) * | 1978-12-29 | 1980-07-10 | Ricoh Co Ltd | Electrophotographic copying method |
| US4304486A (en) * | 1979-10-22 | 1981-12-08 | Nashua Corporation | Automatic bias and registration control system for electrophotographic copier |
| US4341461A (en) * | 1980-04-07 | 1982-07-27 | Xerox Corporation | Development control of a reproduction machine |
| US4348100A (en) * | 1980-09-02 | 1982-09-07 | Xerox Corporation | Control for xerographic system |
-
1981
- 1981-06-08 JP JP56087733A patent/JPS57202569A/ja active Granted
-
1982
- 1982-05-26 US US06/382,354 patent/US4416535A/en not_active Expired - Fee Related
- 1982-06-03 DE DE3220993A patent/DE3220993A1/de active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0343620B2 (en, 2012) | 1991-07-03 |
| DE3220993A1 (de) | 1982-12-23 |
| US4416535A (en) | 1983-11-22 |
| JPS57202569A (en) | 1982-12-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE3220993C2 (en, 2012) | ||
| DE2520810C3 (de) | Einrichtung zum Anlegen einer Vorspannung an eine Entwicklungselektrode einer elektrophotographischen Kopiervorrichtung | |
| DE3304470C2 (en, 2012) | ||
| DE3140853C2 (de) | Elektrographisches Kopiergerät mit einer Einrichtung zur Steuerung der Bilddichte der Kopien | |
| DE2747014A1 (de) | Elektrostatisches kopiergeraet | |
| DE2807317A1 (de) | Verfahren zur einhaltung der optimalbedingungen bei der elektrografie | |
| DE2837268A1 (de) | Elektrostatographisches geraet | |
| DE3138231C2 (en, 2012) | ||
| DE2901891A1 (de) | Verfahren zur einstellung des abbildungsschwaerzungsgrades bei einem elektrophotographischen kopiergeraet | |
| DE3038863A1 (de) | Elektrofotografisches kopiergeraet, bei welchem an die entwicklungselektrode ein veraenderbares potential anlegbar ist | |
| DE2116803A1 (de) | Fühlervorrichtung zur Feststellung von transportiertem Blattmaterial | |
| DE2916945A1 (de) | Kopie-einstellverfahren | |
| DE3415458A1 (de) | Bilderzeugungsgeraet | |
| DE3036731C2 (en, 2012) | ||
| DE2952672A1 (de) | Elektrotatographisches kopiergeraet | |
| DE2361670B2 (de) | Elektrostatische Kopiermaschine mit einer Beleuchtungseinrichtung zum Totalbelichten vorbestimmter bildfreier Bereiche auf dem Aufzeichnungsmaterial | |
| DE3442028A1 (de) | Geraet zur erzeugung von abbildungen von positiv- und negativ-originalen | |
| DE3010789A1 (de) | Automatische steuerung fuer entwickler-verteilervorrichtung | |
| DE3149908A1 (de) | Verfahren zum steuern der tonerkonzentration fuer elektrofotografische kopiergeraete | |
| DE1597385A1 (de) | Regeleinrichtung fuer die Lichtstaerke eines Aufnahmeapparates | |
| DE2934337C2 (en, 2012) | ||
| DE3522089C2 (en, 2012) | ||
| DE3705511A1 (de) | Verfahren zum erzeugen von konturbildern entsprechend den umfangskonturen von originalbildern | |
| DE3340959C2 (en, 2012) | ||
| DE3348081C2 (en, 2012) |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8110 | Request for examination paragraph 44 | ||
| D2 | Grant after examination | ||
| 8364 | No opposition during term of opposition | ||
| 8339 | Ceased/non-payment of the annual fee |