JP4994650B2 - 帯電装置 - Google Patents

帯電装置 Download PDF

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Publication number
JP4994650B2
JP4994650B2 JP2005349846A JP2005349846A JP4994650B2 JP 4994650 B2 JP4994650 B2 JP 4994650B2 JP 2005349846 A JP2005349846 A JP 2005349846A JP 2005349846 A JP2005349846 A JP 2005349846A JP 4994650 B2 JP4994650 B2 JP 4994650B2
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JP
Japan
Prior art keywords
voltage
charging
peak
discharge
current
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
Application number
JP2005349846A
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English (en)
Japanese (ja)
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JP2007156035A (ja
JP2007156035A5 (enExample
Inventor
健一郎 北島
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Canon Inc
Original Assignee
Canon Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Canon Inc filed Critical Canon Inc
Priority to JP2005349846A priority Critical patent/JP4994650B2/ja
Priority to US11/565,138 priority patent/US7684719B2/en
Publication of JP2007156035A publication Critical patent/JP2007156035A/ja
Publication of JP2007156035A5 publication Critical patent/JP2007156035A5/ja
Application granted granted Critical
Publication of JP4994650B2 publication Critical patent/JP4994650B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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    • 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

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • General Physics & Mathematics (AREA)
  • Electrostatic Charge, Transfer And Separation In Electrography (AREA)
JP2005349846A 2005-12-02 2005-12-02 帯電装置 Expired - Fee Related JP4994650B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2005349846A JP4994650B2 (ja) 2005-12-02 2005-12-02 帯電装置
US11/565,138 US7684719B2 (en) 2005-12-02 2006-11-30 Charging apparatus and image forming apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2005349846A JP4994650B2 (ja) 2005-12-02 2005-12-02 帯電装置

Publications (3)

Publication Number Publication Date
JP2007156035A JP2007156035A (ja) 2007-06-21
JP2007156035A5 JP2007156035A5 (enExample) 2009-01-29
JP4994650B2 true JP4994650B2 (ja) 2012-08-08

Family

ID=38157977

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2005349846A Expired - Fee Related JP4994650B2 (ja) 2005-12-02 2005-12-02 帯電装置

Country Status (2)

Country Link
US (1) US7684719B2 (enExample)
JP (1) JP4994650B2 (enExample)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4480680B2 (ja) * 2006-01-23 2010-06-16 京セラミタ株式会社 画像形成装置の帯電装置
JP4899517B2 (ja) * 2006-02-14 2012-03-21 富士ゼロックス株式会社 画像形成装置
JP5157097B2 (ja) * 2006-07-18 2013-03-06 株式会社リコー 画像形成装置の帯電工程評価方法
JP4902602B2 (ja) * 2008-07-08 2012-03-21 キヤノン株式会社 画像形成装置
JP5546269B2 (ja) * 2009-03-17 2014-07-09 キヤノン株式会社 画像形成装置
JP5328470B2 (ja) * 2009-05-01 2013-10-30 キヤノン株式会社 画像形成装置
JP5400513B2 (ja) * 2009-07-27 2014-01-29 キヤノン株式会社 画像形成装置およびその制御方法
JP5328543B2 (ja) * 2009-07-28 2013-10-30 キヤノン株式会社 画像形成装置
US9020401B2 (en) 2011-06-07 2015-04-28 Hewlett-Packard Development Company, L.P. Apparatus, printers, and charge roller assemblies
JP6137869B2 (ja) * 2012-02-27 2017-05-31 キヤノン株式会社 画像形成装置
JP6275682B2 (ja) 2014-12-02 2018-02-07 キヤノンファインテックニスカ株式会社 画像形成装置
JP2016126193A (ja) * 2015-01-05 2016-07-11 株式会社リコー 画像形成装置、画像形成装置用のプロセスカートリッジ
JP6145800B2 (ja) * 2015-02-26 2017-06-14 コニカミノルタ株式会社 画像形成装置
JP6145799B2 (ja) * 2015-02-26 2017-06-14 コニカミノルタ株式会社 画像形成装置
KR20170033691A (ko) * 2015-09-17 2017-03-27 에스프린팅솔루션 주식회사 화상형성장치 및 대전 제어 방법
JP6575379B2 (ja) * 2016-02-02 2019-09-18 コニカミノルタ株式会社 画像形成装置
JP6921611B2 (ja) * 2016-06-01 2021-08-18 キヤノン株式会社 プロセスカートリッジ、及び画像形成装置、画像形成方法
WO2020131064A1 (en) * 2018-12-20 2020-06-25 Hewlett-Packard Development Company, L.P. Charge roller voltage determination

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0280542B1 (en) * 1987-02-26 1994-11-02 Canon Kabushiki Kaisha An image forming apparatus
EP0555102B1 (en) * 1992-02-07 1999-06-02 Canon Kabushiki Kaisha Image forming apparatus having charging member contactable to image bearing member
US5508788A (en) * 1993-09-22 1996-04-16 Kabushiki Kaisha Toshiba Image forming apparatus having contact charger wtih superposed AC/DC bias
JP3279152B2 (ja) * 1995-10-04 2002-04-30 キヤノン株式会社 画像形成装置の制御方法
US5907155A (en) * 1998-01-08 1999-05-25 Xerox Corporation Constant DC offset coronode voltage tracking circuit
JP2001166565A (ja) * 1999-12-08 2001-06-22 Canon Inc 画像形成装置及びプロセスカートリッジ
US6532347B2 (en) * 2000-01-20 2003-03-11 Canon Kabushiki Kaisha Method of controlling an AC voltage applied to an electrifier
JP4235334B2 (ja) * 2000-01-20 2009-03-11 キヤノン株式会社 画像形成装置
US6406656B1 (en) * 2000-04-18 2002-06-18 Lexmark International, Inc. Fabrication of photoconductor drum insert
JP3768800B2 (ja) * 2000-10-31 2006-04-19 キヤノン株式会社 画像形成装置
JP3768931B2 (ja) * 2002-07-18 2006-04-19 キヤノン株式会社 画像形成装置
US6807389B2 (en) * 2002-12-13 2004-10-19 Xerox Corporation Bias charge roller with optimally induced AC corona
US7162173B2 (en) * 2003-02-27 2007-01-09 Canon Kabushiki Kaisha Image forming apparatus using an ordered set of first, second and charging AC peak to peak voltages

Also Published As

Publication number Publication date
US7684719B2 (en) 2010-03-23
JP2007156035A (ja) 2007-06-21
US20070127939A1 (en) 2007-06-07

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