US20080316292A1 - Image forming apparatus which corrects main scanning misregistration - Google Patents

Image forming apparatus which corrects main scanning misregistration Download PDF

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Publication number
US20080316292A1
US20080316292A1 US11/857,505 US85750507A US2008316292A1 US 20080316292 A1 US20080316292 A1 US 20080316292A1 US 85750507 A US85750507 A US 85750507A US 2008316292 A1 US2008316292 A1 US 2008316292A1
Authority
US
United States
Prior art keywords
scanning
phase variable
available
area
image forming
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.)
Abandoned
Application number
US11/857,505
Other languages
English (en)
Inventor
Yuichiro Shukuya
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.)
Ricoh Co Ltd
Original Assignee
Ricoh Co Ltd
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 Ricoh Co Ltd filed Critical Ricoh Co Ltd
Assigned to RICOH COMPANY, LTD. reassignment RICOH COMPANY, LTD. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: SHUKUYA, YUICHIRO
Publication of US20080316292A1 publication Critical patent/US20080316292A1/en
Priority to US13/083,163 priority Critical patent/US8982171B2/en
Abandoned legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B26/00—Optical devices or arrangements for the control of light using movable or deformable optical elements
    • G02B26/08—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light
    • G02B26/10—Scanning systems
    • G02B26/12—Scanning systems using multifaceted mirrors
    • G02B26/123—Multibeam scanners, e.g. using multiple light sources or beam splitters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
    • B41J2/435—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of radiation to a printing material or impression-transfer material
    • B41J2/47—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of radiation to a printing material or impression-transfer material using the combination of scanning and modulation of light
    • B41J2/471—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of radiation to a printing material or impression-transfer material using the combination of scanning and modulation of light using dot sequential main scanning by means of a light deflector, e.g. a rotating polygonal mirror
    • B41J2/473—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of radiation to a printing material or impression-transfer material using the combination of scanning and modulation of light using dot sequential main scanning by means of a light deflector, e.g. a rotating polygonal mirror using multiple light beams, wavelengths or colours
    • 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
    • H04N1/0035—User-machine interface; Control console
    • H04N1/00405—Output means
    • H04N1/00477—Indicating status, e.g. of a job
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N2201/00—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
    • H04N2201/0008—Connection or combination of a still picture apparatus with another apparatus
    • H04N2201/0072—Detecting the status of a connected apparatus
US11/857,505 2006-09-19 2007-09-19 Image forming apparatus which corrects main scanning misregistration Abandoned US20080316292A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US13/083,163 US8982171B2 (en) 2006-09-19 2011-04-08 Image forming apparatus which corrects main scanning misregistration

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2006252433A JP2008076474A (ja) 2006-09-19 2006-09-19 光学装置と画像形成装置
JP2006-252433 2006-09-19

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US13/083,163 Continuation US8982171B2 (en) 2006-09-19 2011-04-08 Image forming apparatus which corrects main scanning misregistration

Publications (1)

Publication Number Publication Date
US20080316292A1 true US20080316292A1 (en) 2008-12-25

Family

ID=39348651

Family Applications (2)

Application Number Title Priority Date Filing Date
US11/857,505 Abandoned US20080316292A1 (en) 2006-09-19 2007-09-19 Image forming apparatus which corrects main scanning misregistration
US13/083,163 Expired - Fee Related US8982171B2 (en) 2006-09-19 2011-04-08 Image forming apparatus which corrects main scanning misregistration

Family Applications After (1)

Application Number Title Priority Date Filing Date
US13/083,163 Expired - Fee Related US8982171B2 (en) 2006-09-19 2011-04-08 Image forming apparatus which corrects main scanning misregistration

Country Status (2)

Country Link
US (2) US20080316292A1 (ja)
JP (1) JP2008076474A (ja)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110062994A1 (en) * 2009-09-14 2011-03-17 Brother Kogyo Kabushiki Kaisha Frequency level detecting method
US20120105919A1 (en) * 2010-10-29 2012-05-03 Brother Kogyo Kabushiki Kaisha Image-reading device that reads images by using spread-spectrum clock
US20180141269A1 (en) * 2016-11-21 2018-05-24 Sindoh Co., Ltd. 3d printer using linear laser source

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6992334B2 (ja) * 2017-09-06 2022-01-13 株式会社リコー 光走査装置、及び画像形成装置
JP7468176B2 (ja) 2020-06-17 2024-04-16 株式会社リコー 画像処理装置および画像読取方法
JP2022077098A (ja) 2020-11-11 2022-05-23 株式会社リコー 画像形成装置

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030067533A1 (en) * 2001-09-28 2003-04-10 Atsufumi Omori Pixel clock generating apparatus, optical writing apparatus using a pixel clock, imaging apparatus, and method for generating pixel clocks
US20060001891A1 (en) * 2004-06-30 2006-01-05 Yoshiki Yoshida Method and apparatus for image forming capable of effectively correcting alignment errors of elementary color outputs to be superposed into an image
US20070091165A1 (en) * 2005-10-26 2007-04-26 Yuichiro Shukuya Image forming apparatus capable of effectively correcting main scanning misregistration
US20070122210A1 (en) * 2005-11-30 2007-05-31 Kazuyuki Sato Image forming device, image formation operation correcting method, and image formation operation correcting program
US20070140721A1 (en) * 2005-11-30 2007-06-21 Tadashi Shinohara Method and apparatus for color image forming capable of effectively forming a quality color image
US7573494B2 (en) * 2003-02-28 2009-08-11 Ricoh Company, Ltd. Image forming apparatus, an optical scanning apparatus and an image forming method

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3548210B2 (ja) 1993-10-29 2004-07-28 株式会社リコー 画像形成装置
JP2003279873A (ja) 2002-03-20 2003-10-02 Ricoh Co Ltd 光走査装置及び画像形成装置
JP2006201606A (ja) * 2005-01-21 2006-08-03 Ricoh Co Ltd 光ビーム走査装置及び画像形成装置
JP4546846B2 (ja) * 2005-01-24 2010-09-22 株式会社リコー 画像形成装置

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030067533A1 (en) * 2001-09-28 2003-04-10 Atsufumi Omori Pixel clock generating apparatus, optical writing apparatus using a pixel clock, imaging apparatus, and method for generating pixel clocks
US7573494B2 (en) * 2003-02-28 2009-08-11 Ricoh Company, Ltd. Image forming apparatus, an optical scanning apparatus and an image forming method
US20060001891A1 (en) * 2004-06-30 2006-01-05 Yoshiki Yoshida Method and apparatus for image forming capable of effectively correcting alignment errors of elementary color outputs to be superposed into an image
US20070091165A1 (en) * 2005-10-26 2007-04-26 Yuichiro Shukuya Image forming apparatus capable of effectively correcting main scanning misregistration
US20070122210A1 (en) * 2005-11-30 2007-05-31 Kazuyuki Sato Image forming device, image formation operation correcting method, and image formation operation correcting program
US20070140721A1 (en) * 2005-11-30 2007-06-21 Tadashi Shinohara Method and apparatus for color image forming capable of effectively forming a quality color image

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110062994A1 (en) * 2009-09-14 2011-03-17 Brother Kogyo Kabushiki Kaisha Frequency level detecting method
US8634446B2 (en) 2009-09-14 2014-01-21 Brother Kogyo Kabushiki Kaisha Frequency level detecting method
US20120105919A1 (en) * 2010-10-29 2012-05-03 Brother Kogyo Kabushiki Kaisha Image-reading device that reads images by using spread-spectrum clock
US9832336B2 (en) * 2010-10-29 2017-11-28 Brother Kogyo Kabushiki Kaisha Image-reading device that reads images by using spread-spectrum clock
US20180141269A1 (en) * 2016-11-21 2018-05-24 Sindoh Co., Ltd. 3d printer using linear laser source

Also Published As

Publication number Publication date
JP2008076474A (ja) 2008-04-03
US20120033267A1 (en) 2012-02-09
US8982171B2 (en) 2015-03-17

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Legal Events

Date Code Title Description
AS Assignment

Owner name: RICOH COMPANY, LTD., JAPAN

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:SHUKUYA, YUICHIRO;REEL/FRAME:021471/0687

Effective date: 20070921

STCB Information on status: application discontinuation

Free format text: ABANDONED -- FAILURE TO RESPOND TO AN OFFICE ACTION