JPH0127422B2 - - Google Patents
Info
- Publication number
- JPH0127422B2 JPH0127422B2 JP52154623A JP15462377A JPH0127422B2 JP H0127422 B2 JPH0127422 B2 JP H0127422B2 JP 52154623 A JP52154623 A JP 52154623A JP 15462377 A JP15462377 A JP 15462377A JP H0127422 B2 JPH0127422 B2 JP H0127422B2
- Authority
- JP
- Japan
- Prior art keywords
- charging
- constant
- charged
- current
- voltage
- 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
- 238000007600 charging Methods 0.000 claims description 63
- 238000000034 method Methods 0.000 claims description 32
- 230000008569 process Effects 0.000 claims description 23
- 238000001514 detection method Methods 0.000 claims description 12
- 238000004804 winding Methods 0.000 description 12
- 230000007613 environmental effect Effects 0.000 description 9
- 230000008859 change Effects 0.000 description 7
- 108091008695 photoreceptors Proteins 0.000 description 6
- 239000003990 capacitor Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 230000007423 decrease Effects 0.000 description 3
- 238000007781 pre-processing Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 230000010355 oscillation Effects 0.000 description 2
- 238000002203 pretreatment Methods 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010277 constant-current charging Methods 0.000 description 1
- 238000010281 constant-current constant-voltage charging Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000004044 response 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
- G03G15/02—Apparatus for electrographic processes using a charge pattern for laying down a uniform charge, e.g. for sensitising; Corona discharge devices
- G03G15/0266—Arrangements for controlling the amount of charge
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- General Physics & Mathematics (AREA)
- Electrostatic Charge, Transfer And Separation In Electrography (AREA)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15462377A JPS5486339A (en) | 1977-12-22 | 1977-12-22 | Electric charging method and device |
DE19782855410 DE2855410A1 (de) | 1977-12-22 | 1978-12-21 | Verfahren und vorrichtung zur bilderzeugung |
US06/231,110 US4346986A (en) | 1977-12-22 | 1981-02-03 | Image formation method and apparatus |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15462377A JPS5486339A (en) | 1977-12-22 | 1977-12-22 | Electric charging method and device |
Related Child Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP27125284A Division JPS60166971A (ja) | 1984-12-21 | 1984-12-21 | 帯電装置 |
JP59271251A Division JPS60247267A (ja) | 1984-12-21 | 1984-12-21 | 画像形成装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5486339A JPS5486339A (en) | 1979-07-09 |
JPH0127422B2 true JPH0127422B2 (en, 2012) | 1989-05-29 |
Family
ID=15588220
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP15462377A Granted JPS5486339A (en) | 1977-12-22 | 1977-12-22 | Electric charging method and device |
Country Status (3)
Country | Link |
---|---|
US (1) | US4346986A (en, 2012) |
JP (1) | JPS5486339A (en, 2012) |
DE (1) | DE2855410A1 (en, 2012) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4592646A (en) * | 1981-03-27 | 1986-06-03 | Canon Kabushiki Kaisha | Image forming apparatus with control for image forming conditions |
US4417804A (en) * | 1981-06-19 | 1983-11-29 | Xerox Corporation | High voltage comparator for photoreceptor voltage control |
JPS58136063A (ja) * | 1982-02-08 | 1983-08-12 | Fuji Xerox Co Ltd | 電子写真複写機のコロナ放電装置 |
JPS5972067A (ja) * | 1982-10-18 | 1984-04-23 | Toshiba Corp | 帯電装置の異常検出装置 |
US5619308A (en) * | 1992-05-19 | 1997-04-08 | Minolta Camera Kabushiki Kaisha | Electrophotographic image forming apparatus adjusting image forming means based on surface voltage of photoconductor |
JPH09185194A (ja) * | 1995-12-28 | 1997-07-15 | Toshiba Corp | 画像形成装置 |
US6339691B1 (en) * | 2000-03-14 | 2002-01-15 | Toshiba Tec Kabushiki Kaisha | Image forming apparatus with a constant-current power supply |
JP2001305837A (ja) * | 2000-04-18 | 2001-11-02 | Canon Inc | 画像形成装置及びプロセスカートリッジ |
US6564023B2 (en) * | 2000-04-28 | 2003-05-13 | Canon Kabushiki Kaisha | Image forming apparatus with AC current detector |
JP2007241244A (ja) * | 2006-02-13 | 2007-09-20 | Sharp Corp | 帯電装置、画像形成装置、および帯電方法 |
US7647014B2 (en) * | 2006-02-13 | 2010-01-12 | Sharp Kabushiki Kaisha | Pretransfer charging device and image forming apparatus including same |
JP4929851B2 (ja) * | 2006-06-06 | 2012-05-09 | 富士ゼロックス株式会社 | 画像形成装置 |
JP4489090B2 (ja) * | 2007-01-30 | 2010-06-23 | シャープ株式会社 | イオン発生装置及び電気機器 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2956487A (en) * | 1955-03-23 | 1960-10-18 | Rca Corp | Electrostatic printing |
BE715685A (en, 2012) * | 1967-07-06 | 1968-10-16 | ||
US3604925A (en) * | 1968-12-03 | 1971-09-14 | Zerox Corp | Apparatus for controlling the amount of charge applied to a surface |
US3586908A (en) * | 1969-02-28 | 1971-06-22 | Robert E Vosteen | Automatic potential control system for electrophotography apparatus |
US3714531A (en) * | 1970-06-26 | 1973-01-30 | Canon Kk | Ac corona discharger |
US3788739A (en) * | 1972-06-21 | 1974-01-29 | Xerox Corp | Image compensation method and apparatus for electrophotographic devices |
US3819942A (en) * | 1973-05-07 | 1974-06-25 | Savin Business Machines Corp | Regulated power supply for corona charging unit |
US4028596A (en) * | 1974-12-13 | 1977-06-07 | Coulter Information Systems, Inc. | Corona power supply circuit |
US4000944A (en) * | 1975-02-18 | 1977-01-04 | Xerox Corporation | Photoreceptor for electrostatic reproduction machines with built-in electrode |
US4019102A (en) * | 1975-10-16 | 1977-04-19 | General Electric Company | Successive approximation feedback control system |
JPS5264936A (en) * | 1975-11-25 | 1977-05-28 | Canon Inc | Apparatus for electronic photography |
-
1977
- 1977-12-22 JP JP15462377A patent/JPS5486339A/ja active Granted
-
1978
- 1978-12-21 DE DE19782855410 patent/DE2855410A1/de active Granted
-
1981
- 1981-02-03 US US06/231,110 patent/US4346986A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JPS5486339A (en) | 1979-07-09 |
DE2855410C2 (en, 2012) | 1990-04-05 |
US4346986A (en) | 1982-08-31 |
DE2855410A1 (de) | 1979-07-05 |
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