DE3512060C2 - - Google Patents
Info
- Publication number
- DE3512060C2 DE3512060C2 DE3512060A DE3512060A DE3512060C2 DE 3512060 C2 DE3512060 C2 DE 3512060C2 DE 3512060 A DE3512060 A DE 3512060A DE 3512060 A DE3512060 A DE 3512060A DE 3512060 C2 DE3512060 C2 DE 3512060C2
- Authority
- DE
- Germany
- Prior art keywords
- image
- toner
- signal
- recording
- counter
- 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
- 238000011161 development Methods 0.000 claims description 34
- 238000012937 correction Methods 0.000 claims description 8
- 239000000126 substance Substances 0.000 claims description 8
- 230000006870 function Effects 0.000 claims description 5
- 230000007613 environmental effect Effects 0.000 claims 3
- 238000001514 detection method Methods 0.000 claims 1
- 230000018109 developmental process Effects 0.000 description 33
- 230000008859 change Effects 0.000 description 27
- 238000003384 imaging method Methods 0.000 description 12
- 230000004044 response Effects 0.000 description 9
- 238000012546 transfer Methods 0.000 description 8
- 150000002500 ions Chemical class 0.000 description 6
- 239000002245 particle Substances 0.000 description 6
- 238000012360 testing method Methods 0.000 description 6
- 230000033001 locomotion Effects 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 239000004973 liquid crystal related substance Substances 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 229910021417 amorphous silicon Inorganic materials 0.000 description 1
- 238000005513 bias potential Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 239000012777 electrically insulating material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012806 monitoring device Methods 0.000 description 1
- 239000013307 optical fiber Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000001454 recorded image Methods 0.000 description 1
- 230000000284 resting effect Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000012800 visualization 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
- G03G15/50—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
-
- 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
- G03G15/50—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
- G03G15/5037—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 the characteristics being an electrical parameter, e.g. voltage
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/23—Reproducing arrangements
- H04N1/29—Reproducing arrangements involving production of an electrostatic intermediate picture
- H04N1/295—Circuits or arrangements for the control thereof, e.g. using a programmed control device, according to a measured quantity
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G2215/00—Apparatus for electrophotographic processes
- G03G2215/00025—Machine control, e.g. regulating different parts of the machine
- G03G2215/00029—Image density detection
- G03G2215/00033—Image density detection on recording member
- G03G2215/00037—Toner image detection
- G03G2215/00042—Optical detection
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G2215/00—Apparatus for electrophotographic processes
- G03G2215/00025—Machine control, e.g. regulating different parts of the machine
- G03G2215/00029—Image density detection
- G03G2215/00033—Image density detection on recording member
- G03G2215/00054—Electrostatic image detection
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Control Or Security For Electrophotography (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59063262A JPS60208777A (ja) | 1984-04-02 | 1984-04-02 | 電子写真装置 |
| JP59251181A JPS61129669A (ja) | 1984-11-28 | 1984-11-28 | 電子写真装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE3512060A1 DE3512060A1 (de) | 1985-10-03 |
| DE3512060C2 true DE3512060C2 (en, 2012) | 1992-12-03 |
Family
ID=26404346
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19853512060 Granted DE3512060A1 (de) | 1984-04-02 | 1985-04-02 | Bilderzeugungsgeraet |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US4626096A (en, 2012) |
| DE (1) | DE3512060A1 (en, 2012) |
Families Citing this family (25)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4707748A (en) * | 1985-02-14 | 1987-11-17 | Canon Kabushiki Kaisha | Image recording apparatus |
| EP0551966B1 (en) * | 1986-12-24 | 1999-04-14 | Canon Kabushiki Kaisha | Recording device and reproducing device |
| US4989039A (en) * | 1987-01-19 | 1991-01-29 | Canon Kabushiki Kaisha | Image forming apparatus responsive to environmental conditions |
| JP2882529B2 (ja) * | 1988-12-05 | 1999-04-12 | 株式会社リコー | 画像形成装置 |
| DE4021242C2 (de) * | 1989-07-04 | 1996-10-17 | Ricoh Kk | Elektrofotografisches Druck- oder Kopiergerät mit austauschbarer Prozeßeinheit |
| US5006897A (en) * | 1990-07-02 | 1991-04-09 | Eastman Kodak Company | Determination of charge-to-mass ratio |
| US5581326A (en) * | 1991-02-22 | 1996-12-03 | Canon Kabushiki Kaisha | Image forming apparatus which supplies toner based on counted signal value |
| EP0628887A3 (en) * | 1991-02-22 | 1995-07-19 | Canon Kk | Image forming apparatus. |
| US5495315A (en) * | 1991-03-27 | 1996-02-27 | Xerox Corporation | Level sensing apparatus |
| US5183964A (en) * | 1992-01-03 | 1993-02-02 | Eastman Kodak Company | Toner charge control |
| JP3524935B2 (ja) * | 1992-09-09 | 2004-05-10 | セイコーエプソン株式会社 | レーザープリンタ及びそのトナー消費量検出方法 |
| US5668589A (en) * | 1992-09-11 | 1997-09-16 | Fuji Photo Film Co., Ltd. | Thermal recording device with controller for correcting laser beam intensity |
| US5204699A (en) * | 1992-09-14 | 1993-04-20 | Xerox Corporation | Apparatus for estimating toner usage |
| KR0132011B1 (ko) * | 1994-02-28 | 1998-10-01 | 김광호 | 현상제 보유 레벨 검출 장치 |
| JPH0934331A (ja) * | 1995-07-18 | 1997-02-07 | Canon Inc | 画像形成装置 |
| US5923917A (en) | 1995-10-25 | 1999-07-13 | Canon Kabushiki Kaisha | Image forming apparatus, and a cartridge having a developer container detachably mountable on such apparatus |
| DE19642570B4 (de) | 1996-10-15 | 2007-08-16 | OCé PRINTING SYSTEMS GMBH | Vorrichtungen zur Tonerzuführung |
| US5839020A (en) * | 1997-02-11 | 1998-11-17 | Eastman Kodak Company | Method and apparatus for controlling production of full productivity accent color image formation |
| JP3441912B2 (ja) * | 1997-03-06 | 2003-09-02 | キヤノン株式会社 | 画像形成装置 |
| US5862431A (en) * | 1997-04-25 | 1999-01-19 | Hewlett-Packard Company | Toner powder level sensing using element and pulse signal and toner powder presence sensing using piezoelectric film |
| US5995774A (en) * | 1998-09-11 | 1999-11-30 | Lexmark International, Inc. | Method and apparatus for storing data in a non-volatile memory circuit mounted on a printer's process cartridge |
| US6166550A (en) * | 1998-11-16 | 2000-12-26 | Xerox Corporation | Charge measuring instrument |
| US6320387B1 (en) | 1998-11-16 | 2001-11-20 | Xerox Corporation | Charge measuring instrument for flexible materials |
| JP3720720B2 (ja) * | 2000-03-01 | 2005-11-30 | キヤノン株式会社 | 画像形成装置 |
| JP6176277B2 (ja) * | 2015-03-19 | 2017-08-09 | コニカミノルタ株式会社 | 現像装置および画像形成装置 |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4215931A (en) * | 1978-04-18 | 1980-08-05 | Olympus Optical Co., Ltd. | Electrophotographic apparatus |
| US4212530A (en) * | 1978-12-07 | 1980-07-15 | Texaco Inc. | Means and method for printing on light sensitive material |
| JPS55159458A (en) * | 1979-05-31 | 1980-12-11 | Konishiroku Photo Ind Co Ltd | Black belt removing method in composite information recorder |
| US4345835A (en) * | 1980-01-14 | 1982-08-24 | Xerox Corporation | Multiple function reproduction apparatus |
| US4432020A (en) * | 1981-01-27 | 1984-02-14 | Sharp Kabushiki Kaisha | Administration data storage in a facsimile system |
| US4468112A (en) * | 1981-02-18 | 1984-08-28 | Canon Kabushiki Kaisha | Developer concentration controlling device |
| US4462680A (en) * | 1981-05-20 | 1984-07-31 | Canon Kabushiki Kaisha | Apparatus for controlling toner density |
| US4413264A (en) * | 1981-12-28 | 1983-11-01 | Pitney Bowes Inc. | Print material supply control apparatus and method |
| US4466731A (en) * | 1982-06-16 | 1984-08-21 | International Business Machines Corporation | Electrophotographic machine with high density toner concentration control |
| JPS58224363A (ja) * | 1982-06-23 | 1983-12-26 | Ricoh Co Ltd | 現像剤補給方法 |
| US4452174A (en) * | 1982-09-30 | 1984-06-05 | Fedder Richard C | Toner concentration sensor assembly for electro-photographic apparatus |
| US4506973A (en) * | 1983-06-20 | 1985-03-26 | Eastman Kodak Company | Toner concentration monitoring apparatus located behind a transparent photoconductor |
-
1985
- 1985-03-29 US US06/717,952 patent/US4626096A/en not_active Expired - Lifetime
- 1985-04-02 DE DE19853512060 patent/DE3512060A1/de active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| DE3512060A1 (de) | 1985-10-03 |
| US4626096A (en) | 1986-12-02 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8110 | Request for examination paragraph 44 | ||
| D2 | Grant after examination | ||
| 8364 | No opposition during term of opposition |