JP6270602B2 - 画像形成装置 - Google Patents

画像形成装置 Download PDF

Info

Publication number
JP6270602B2
JP6270602B2 JP2014080316A JP2014080316A JP6270602B2 JP 6270602 B2 JP6270602 B2 JP 6270602B2 JP 2014080316 A JP2014080316 A JP 2014080316A JP 2014080316 A JP2014080316 A JP 2014080316A JP 6270602 B2 JP6270602 B2 JP 6270602B2
Authority
JP
Japan
Prior art keywords
image
potential
exposure
charging
region
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.)
Active
Application number
JP2014080316A
Other languages
English (en)
Japanese (ja)
Other versions
JP2015004958A5 (OSRAM
JP2015004958A (ja
Inventor
平松　隆
隆 平松
渡邉　泰成
泰成 渡邉
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 JP2014080316A priority Critical patent/JP6270602B2/ja
Priority to US14/283,070 priority patent/US9207562B2/en
Publication of JP2015004958A publication Critical patent/JP2015004958A/ja
Publication of JP2015004958A5 publication Critical patent/JP2015004958A5/ja
Application granted granted Critical
Publication of JP6270602B2 publication Critical patent/JP6270602B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

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
    • G03G15/04—Apparatus for electrographic processes using a charge pattern for exposing, i.e. imagewise exposure by optically projecting the original image on a photoconductive recording material
    • G03G15/045—Apparatus for electrographic processes using a charge pattern for exposing, i.e. imagewise exposure by optically projecting the original image on a photoconductive recording material with means for charging or discharging distinct portions of the charge pattern on the recording material, e.g. for contrast enhancement or discharging non-image areas
    • G03G15/047—Apparatus for electrographic processes using a charge pattern for exposing, i.e. imagewise exposure by optically projecting the original image on a photoconductive recording material with means for charging or discharging distinct portions of the charge pattern on the recording material, e.g. for contrast enhancement or discharging non-image areas for discharging non-image areas

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Control Or Security For Electrophotography (AREA)
  • Electrostatic Charge, Transfer And Separation In Electrography (AREA)
  • Exposure Or Original Feeding In Electrophotography (AREA)
  • Cleaning In Electrography (AREA)
  • Discharging, Photosensitive Material Shape In Electrophotography (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
JP2014080316A 2013-05-22 2014-04-09 画像形成装置 Active JP6270602B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2014080316A JP6270602B2 (ja) 2013-05-22 2014-04-09 画像形成装置
US14/283,070 US9207562B2 (en) 2013-05-22 2014-05-20 Image forming apparatus

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2013107964 2013-05-22
JP2013107964 2013-05-22
JP2014080316A JP6270602B2 (ja) 2013-05-22 2014-04-09 画像形成装置

Publications (3)

Publication Number Publication Date
JP2015004958A JP2015004958A (ja) 2015-01-08
JP2015004958A5 JP2015004958A5 (OSRAM) 2017-06-01
JP6270602B2 true JP6270602B2 (ja) 2018-01-31

Family

ID=51935450

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2014080316A Active JP6270602B2 (ja) 2013-05-22 2014-04-09 画像形成装置

Country Status (2)

Country Link
US (1) US9207562B2 (OSRAM)
JP (1) JP6270602B2 (OSRAM)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6562806B2 (ja) 2015-10-06 2019-08-21 キヤノン株式会社 画像形成装置
JP6746423B2 (ja) * 2015-10-27 2020-08-26 キヤノン株式会社 画像形成装置
JP2019194650A (ja) * 2018-05-02 2019-11-07 キヤノン株式会社 画像形成装置

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0677166B2 (ja) 1983-01-20 1994-09-28 株式会社東芝 画像形成装置
JPH0651612A (ja) * 1992-07-30 1994-02-25 Oki Electric Ind Co Ltd 画像形成装置
JP2001265117A (ja) * 2000-03-16 2001-09-28 Ricoh Co Ltd 画像形成装置
JP4124359B2 (ja) * 2003-12-26 2008-07-23 三星電子株式会社 画像形成装置
JP2008008991A (ja) * 2006-06-27 2008-01-17 Kyocera Mita Corp 画像形成装置
JP2008089714A (ja) * 2006-09-29 2008-04-17 Oki Data Corp 画像形成装置
JP5885472B2 (ja) * 2010-12-10 2016-03-15 キヤノン株式会社 カラー画像形成装置
JP5875237B2 (ja) * 2011-03-11 2016-03-02 キヤノン株式会社 カラー画像形成装置

Also Published As

Publication number Publication date
US9207562B2 (en) 2015-12-08
US20140348523A1 (en) 2014-11-27
JP2015004958A (ja) 2015-01-08

Similar Documents

Publication Publication Date Title
JP6195149B2 (ja) 画像形成装置
US20130308969A1 (en) Image forming apparatus
US9727002B2 (en) Image forming apparatus having an image bearing member charged with predetermined polarity and potential
US9389534B2 (en) Image forming apparatus
JP2007232881A (ja) 画像形成装置
JP6270602B2 (ja) 画像形成装置
JP2017068126A (ja) 画像形成装置
JP2013222151A (ja) 画像形成装置
JP6855297B2 (ja) 画像形成装置
JP2020160292A (ja) 画像形成装置
JP4280694B2 (ja) 画像形成装置
JP2009258432A (ja) 画像形成装置
JP7224820B2 (ja) 画像形成装置
JP5294899B2 (ja) 画像形成装置
US10234806B2 (en) Image forming apparatus
JP2008309973A (ja) 画像形成装置
JP6381250B2 (ja) 画像形成装置
CN108508720B (zh) 图像形成装置
JP2004085630A (ja) 現像装置及びこれを備えた画像形成装置
JP2018017868A (ja) 画像形成装置
JP2001051516A (ja) 画像形成装置
JP2008233246A (ja) 画像形成装置
JP5148167B2 (ja) 現像装置、および画像形成装置
JP2010217327A (ja) 画像形成装置
JP2006308672A (ja) 画像形成装置

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20170410

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20170410

TRDD Decision of grant or rejection written
A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20171122

A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20171128

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20171226

R151 Written notification of patent or utility model registration

Ref document number: 6270602

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R151