JP4822668B2 - マルチビーム光走査装置 - Google Patents
マルチビーム光走査装置 Download PDFInfo
- Publication number
- JP4822668B2 JP4822668B2 JP2004027268A JP2004027268A JP4822668B2 JP 4822668 B2 JP4822668 B2 JP 4822668B2 JP 2004027268 A JP2004027268 A JP 2004027268A JP 2004027268 A JP2004027268 A JP 2004027268A JP 4822668 B2 JP4822668 B2 JP 4822668B2
- Authority
- JP
- Japan
- Prior art keywords
- laser
- optical
- light
- aperture
- image
- 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
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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
Description
まず、複数ドラム方式カラープリンタについて説明する。
次に、本発明の第2実施形態について説明する。この第2実施形態では、2ビーム光走査装置が利用されるシングルドラム方式の単色プリンタ(単色画像形成装置)について説明する。
Claims (3)
- 断面強度分布のピーク強度に対し1/e2以上の強度となる領域が副走査方向に関して傾いた楕円形状となっている、偏光した光線を出射する光源と、当該光源からの光線を絞る絞り手段とを備え、
上記絞り手段の開口部が、上記1/e2以上の強度となる領域として規定される楕円形状の短軸方向に、長軸方向の開口部よりも外側にまで広げて形成されたことを特徴とするマルチビーム光走査装置。 - 請求項1に記載のマルチビーム光走査装置において、
上記光源が複数設けられると共に、上記絞り手段で絞られた上記各光源からの光線を合成する偏光ビームスプリッタ面を持つ光路合成光学素子を備えたことを特徴とするマルチビーム光走査装置。 - 請求項2に記載のマルチビーム光走査装置において、
上記光路合成光学素子による合成後の光路に、1/4波長板を備えたことを特徴とするマルチビーム光走査装置。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004027268A JP4822668B2 (ja) | 2004-02-03 | 2004-02-03 | マルチビーム光走査装置 |
CNB2005100078083A CN100516970C (zh) | 2004-02-03 | 2005-02-02 | 光学多束扫描装置及成像设备 |
US11/048,768 US7321378B2 (en) | 2004-02-03 | 2005-02-03 | Optical multi-beam scanning device and image forming apparatus |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004027268A JP4822668B2 (ja) | 2004-02-03 | 2004-02-03 | マルチビーム光走査装置 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2010091497A Division JP5258828B2 (ja) | 2010-04-12 | 2010-04-12 | マルチビーム光走査装置及び画像形成装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2005221585A JP2005221585A (ja) | 2005-08-18 |
JP4822668B2 true JP4822668B2 (ja) | 2011-11-24 |
Family
ID=34805870
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2004027268A Expired - Fee Related JP4822668B2 (ja) | 2004-02-03 | 2004-02-03 | マルチビーム光走査装置 |
Country Status (3)
Country | Link |
---|---|
US (1) | US7321378B2 (ja) |
JP (1) | JP4822668B2 (ja) |
CN (1) | CN100516970C (ja) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7557820B2 (en) * | 2005-03-16 | 2009-07-07 | Kabushiki Kaisha Toshiba | Optical multi-beam scanning device and image forming apparatus |
JP5208164B2 (ja) * | 2010-06-04 | 2013-06-12 | 株式会社東芝 | 光走査装置 |
JP5423760B2 (ja) | 2011-10-03 | 2014-02-19 | コニカミノルタ株式会社 | レーザ走査光学装置 |
JP6409649B2 (ja) * | 2015-03-27 | 2018-10-24 | 京セラドキュメントソリューションズ株式会社 | 光走査装置、画像形成装置 |
JP6544313B2 (ja) * | 2016-07-28 | 2019-07-17 | 京セラドキュメントソリューションズ株式会社 | 読取モジュール及びそれを備えた画像読取装置並びに画像形成装置 |
JP2019105804A (ja) * | 2017-12-14 | 2019-06-27 | 株式会社東芝 | 光走査装置及び画像形成装置 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0734068B2 (ja) * | 1984-11-22 | 1995-04-12 | ミノルタ株式会社 | 結像光学装置 |
JPS6370826A (ja) * | 1986-09-12 | 1988-03-31 | Citizen Watch Co Ltd | 半導体レ−ザビ−ムプリンタの光学装置 |
JPS63200329A (ja) * | 1987-02-16 | 1988-08-18 | Canon Inc | 光ヘツド |
JP2937700B2 (ja) | 1993-09-01 | 1999-08-23 | 株式会社リコー | 光源装置 |
JPH10221618A (ja) | 1997-01-31 | 1998-08-21 | Canon Inc | マルチビーム光学装置 |
JPH1184283A (ja) * | 1997-09-10 | 1999-03-26 | Ricoh Co Ltd | マルチビーム走査装置及び光源装置 |
JPH11218699A (ja) * | 1998-02-03 | 1999-08-10 | Ricoh Co Ltd | マルチビーム光走査装置 |
JP2001091873A (ja) | 1999-09-24 | 2001-04-06 | Toshiba Tec Corp | 光走査装置 |
US6847389B2 (en) | 2003-05-02 | 2005-01-25 | Kabushiki Kaisha Toshiba | Optical beam scanning device and image forming apparatus |
-
2004
- 2004-02-03 JP JP2004027268A patent/JP4822668B2/ja not_active Expired - Fee Related
-
2005
- 2005-02-02 CN CNB2005100078083A patent/CN100516970C/zh not_active Expired - Fee Related
- 2005-02-03 US US11/048,768 patent/US7321378B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JP2005221585A (ja) | 2005-08-18 |
US20050168563A1 (en) | 2005-08-04 |
CN1673801A (zh) | 2005-09-28 |
US7321378B2 (en) | 2008-01-22 |
CN100516970C (zh) | 2009-07-22 |
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