JP7373365B2 - 光走査装置 - Google Patents

光走査装置 Download PDF

Info

Publication number
JP7373365B2
JP7373365B2 JP2019208877A JP2019208877A JP7373365B2 JP 7373365 B2 JP7373365 B2 JP 7373365B2 JP 2019208877 A JP2019208877 A JP 2019208877A JP 2019208877 A JP2019208877 A JP 2019208877A JP 7373365 B2 JP7373365 B2 JP 7373365B2
Authority
JP
Japan
Prior art keywords
light source
light emitting
source device
light
emitting points
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
JP2019208877A
Other languages
English (en)
Japanese (ja)
Other versions
JP2021081582A5 (enExample
JP2021081582A (ja
Inventor
源一郎 工藤
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 JP2019208877A priority Critical patent/JP7373365B2/ja
Priority to US17/099,741 priority patent/US11330136B2/en
Publication of JP2021081582A publication Critical patent/JP2021081582A/ja
Publication of JP2021081582A5 publication Critical patent/JP2021081582A5/ja
Application granted granted Critical
Publication of JP7373365B2 publication Critical patent/JP7373365B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • 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
    • H04N1/024—Details of scanning heads ; Means for illuminating the original
    • H04N1/028—Details of scanning heads ; Means for illuminating the original for picture information pick-up
    • H04N1/02815—Means for illuminating the original, not specific to a particular type of pick-up head
    • H04N1/02895—Additional elements in the illumination means or cooperating with the illumination means, e.g. filters
    • 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
    • H04N1/024—Details of scanning heads ; Means for illuminating the original
    • H04N1/028—Details of scanning heads ; Means for illuminating the original for picture information pick-up
    • H04N1/02815—Means for illuminating the original, not specific to a particular type of pick-up head
    • H04N1/0288—Means for illuminating the original, not specific to a particular type of pick-up head using a two-dimensional light source, e.g. two-dimensional LED array
    • 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
    • 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
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/30—Polarising elements
    • G02B5/3025—Polarisers, i.e. arrangements capable of producing a definite output polarisation state from an unpolarised input state
    • G02B5/3066—Polarisers, i.e. arrangements capable of producing a definite output polarisation state from an unpolarised input state involving the reflection of light at a particular angle of incidence, e.g. Brewster's angle
    • 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
    • G03G15/04036—Details of illuminating systems, e.g. lamps, reflectors
    • G03G15/04045—Details of illuminating systems, e.g. lamps, reflectors for exposing image information provided otherwise than by directly projecting the original image onto the photoconductive recording material, e.g. digital copiers
    • G03G15/04072—Details of illuminating systems, e.g. lamps, reflectors for exposing image information provided otherwise than by directly projecting the original image onto the photoconductive recording material, e.g. digital copiers by laser
    • 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
    • G03G15/043—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 controlling illumination or exposure
    • G03G15/0435—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 controlling illumination or exposure by introducing an optical element in the optical path, e.g. a filter

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Facsimile Scanning Arrangements (AREA)
  • Laser Beam Printer (AREA)
  • Mechanical Optical Scanning Systems (AREA)
  • Exposure Or Original Feeding In Electrophotography (AREA)
  • Control Or Security For Electrophotography (AREA)
JP2019208877A 2019-11-19 2019-11-19 光走査装置 Active JP7373365B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2019208877A JP7373365B2 (ja) 2019-11-19 2019-11-19 光走査装置
US17/099,741 US11330136B2 (en) 2019-11-19 2020-11-16 Light source device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2019208877A JP7373365B2 (ja) 2019-11-19 2019-11-19 光走査装置

Publications (3)

Publication Number Publication Date
JP2021081582A JP2021081582A (ja) 2021-05-27
JP2021081582A5 JP2021081582A5 (enExample) 2022-11-25
JP7373365B2 true JP7373365B2 (ja) 2023-11-02

Family

ID=75908299

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2019208877A Active JP7373365B2 (ja) 2019-11-19 2019-11-19 光走査装置

Country Status (2)

Country Link
US (1) US11330136B2 (enExample)
JP (1) JP7373365B2 (enExample)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002311360A (ja) 2001-04-17 2002-10-23 Fuji Xerox Co Ltd レーザー光学装置
JP2007293016A (ja) 2006-04-25 2007-11-08 Ricoh Co Ltd 面発光レーザアレイ、画像形成方法、光走査装置及び画像形成装置
JP2008064801A (ja) 2006-09-04 2008-03-21 Ricoh Co Ltd 光走査装置及び画像形成装置
US20090003883A1 (en) 2007-06-26 2009-01-01 Samsung Electronics Co., Ltd Optical scanning unit and electro-photographic image forming apparatus including the same
JP2018101028A (ja) 2016-12-20 2018-06-28 キヤノン株式会社 光走査装置及びそれを用いた画像形成装置

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3665868B2 (ja) 1997-03-10 2005-06-29 コニカミノルタビジネステクノロジーズ株式会社 光ビーム走査光学装置
JP3687290B2 (ja) * 1997-08-05 2005-08-24 富士ゼロックス株式会社 マルチスポット画像形成装置
JP2003182149A (ja) 2001-12-18 2003-07-03 Fuji Xerox Co Ltd 画像形成装置
US20050185236A1 (en) * 2004-02-18 2005-08-25 Genichiro Kudo Optical scanning apparatus
JP4947109B2 (ja) * 2009-08-24 2012-06-06 コニカミノルタビジネステクノロジーズ株式会社 光走査装置

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002311360A (ja) 2001-04-17 2002-10-23 Fuji Xerox Co Ltd レーザー光学装置
JP2007293016A (ja) 2006-04-25 2007-11-08 Ricoh Co Ltd 面発光レーザアレイ、画像形成方法、光走査装置及び画像形成装置
JP2008064801A (ja) 2006-09-04 2008-03-21 Ricoh Co Ltd 光走査装置及び画像形成装置
US20090003883A1 (en) 2007-06-26 2009-01-01 Samsung Electronics Co., Ltd Optical scanning unit and electro-photographic image forming apparatus including the same
JP2018101028A (ja) 2016-12-20 2018-06-28 キヤノン株式会社 光走査装置及びそれを用いた画像形成装置

Also Published As

Publication number Publication date
US20210152705A1 (en) 2021-05-20
US11330136B2 (en) 2022-05-10
JP2021081582A (ja) 2021-05-27

Similar Documents

Publication Publication Date Title
JP4717285B2 (ja) 走査光学装置及びそれを用いた画像形成装置
JP5489612B2 (ja) 走査光学装置及びそれを用いた画像形成装置
JP5046760B2 (ja) 光走査装置及びそれを用いた画像形成装置
JP4684470B2 (ja) 光走査装置及びそれを用いた画像形成装置
JP2009122327A (ja) マルチビーム光走査装置及びそれを用いた画像形成装置
JP2004070107A (ja) 光走査装置及びそれを用いた画像形成装置
JP5896651B2 (ja) 光走査装置及びそれを用いた画像形成装置
JP4474143B2 (ja) 光走査装置の被走査面における像面位置の調整方法
JP2004070108A (ja) 光走査装置及びそれを用いた画像形成装置
JP2004070109A (ja) 光走査装置及びそれを用いた画像形成装置
JP5300505B2 (ja) 光走査装置の調整方法
JP4593886B2 (ja) 光走査装置及びそれを用いた画像形成装置
US6980343B2 (en) Optical scanning apparatus and image forming apparatus using the same
JP2020030236A (ja) 光走査装置及び画像形成装置
JP7373365B2 (ja) 光走査装置
JP5127122B2 (ja) 走査光学装置の走査線ピッチ間隔調整方法
US7355773B2 (en) Optical scanning apparatus and image forming apparatus using same
JP4847132B2 (ja) 光走査装置及びそれを用いた画像形成装置
JP2008052197A (ja) 光走査装置及びそれを用いた画像形成装置
JP4378416B2 (ja) 走査光学装置及びそれを用いた画像形成装置
JP5094221B2 (ja) 光走査装置及びそれを用いた画像形成装置
JP6234085B2 (ja) 光走査装置及びそれを用いた画像形成装置
JP4227404B2 (ja) 走査光学装置及びそれを用いた画像形成装置
JP4612839B2 (ja) カラー画像形成装置の調整方法
JP2025100345A (ja) 光走査装置及び画像形成装置

Legal Events

Date Code Title Description
RD01 Notification of change of attorney

Free format text: JAPANESE INTERMEDIATE CODE: A7421

Effective date: 20220630

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20221116

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20221116

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20230630

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20230711

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20230906

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20230921

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20231023

R151 Written notification of patent or utility model registration

Ref document number: 7373365

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R151