JP5038239B2 - 光走査装置及び画像形成装置 - Google Patents
光走査装置及び画像形成装置 Download PDFInfo
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- JP5038239B2 JP5038239B2 JP2008170643A JP2008170643A JP5038239B2 JP 5038239 B2 JP5038239 B2 JP 5038239B2 JP 2008170643 A JP2008170643 A JP 2008170643A JP 2008170643 A JP2008170643 A JP 2008170643A JP 5038239 B2 JP5038239 B2 JP 5038239B2
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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
- G03G15/04036—Details of illuminating systems, e.g. lamps, reflectors
-
- 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
- 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
- G02B26/127—Adaptive control of the scanning light beam, e.g. using the feedback from one or more detectors
-
- 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
- G03G15/22—Apparatus for electrographic processes using a charge pattern involving the combination of more than one step according to groups G03G13/02 - G03G13/20
- G03G15/32—Apparatus for electrographic processes using a charge pattern involving the combination of more than one step according to groups G03G13/02 - G03G13/20 in which the charge pattern is formed dotwise, e.g. by a thermal head
- G03G15/326—Apparatus for electrographic processes using a charge pattern involving the combination of more than one step according to groups G03G13/02 - G03G13/20 in which the charge pattern is formed dotwise, e.g. by a thermal head by application of light, e.g. using a LED array
-
- 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
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G2215/00—Apparatus for electrophotographic processes
- G03G2215/04—Arrangements for exposing and producing an image
- G03G2215/0402—Exposure devices
- G03G2215/0404—Laser
-
- 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
- H04N1/04—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa
- H04N1/113—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa using oscillating or rotating mirrors
- H04N1/1135—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa using oscillating or rotating mirrors for the main-scan only
-
- 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
- H04N1/04—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa
- H04N1/12—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa using the sheet-feed movement or the medium-advance or the drum-rotation movement as the slow scanning component, e.g. arrangements for the main-scanning
-
- 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
- H04N2201/0077—Types of the still picture apparatus
- H04N2201/0082—Image hardcopy reproducer
-
- 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
- H04N2201/04—Scanning arrangements
- H04N2201/047—Detection, control or error compensation of scanning velocity or position
- H04N2201/04701—Detection of scanning velocity or position
- H04N2201/0471—Detection of scanning velocity or position using dedicated detectors
- H04N2201/04713—Details of the detector arrangement, e.g. non-standard position, optical details
-
- 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
- H04N2201/04—Scanning arrangements
- H04N2201/047—Detection, control or error compensation of scanning velocity or position
- H04N2201/04701—Detection of scanning velocity or position
- H04N2201/04729—Detection of scanning velocity or position in the main-scan direction
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Mechanical Optical Scanning Systems (AREA)
- Facsimile Scanning Arrangements (AREA)
- Laser Beam Printer (AREA)
- Exposure Or Original Feeding In Electrophotography (AREA)
Description
Claims (7)
- 被走査面を走査する光走査装置であって、
レーザ光を射出する光源と;
前記光源から射出されたレーザ光を偏向する偏向器と;
前記偏向器で偏向されたレーザ光を前記被走査面に導くための複数の折り返しミラーと;
前記光源及び前記偏向器の少なくとも一方を保持するとともに前記複数の折り返しミラーを側壁で支持して内部に保持するハウジングと;
前記側壁の外壁面に取り付けられたホルダと;
前記側壁に形成された開口を介して前記ハウジング内に一部が挿入された状態で前記ホルダに保持され、前記複数の折り返しミラーのうちの一の折り返しミラーで反射されたレーザ光を前記一部で前記開口に向けて反射する光路分離ミラーと;
前記ホルダに保持され、前記光路分離ミラーで反射され前記開口を通過したレーザ光を受光する受光素子と;を備える光走査装置。 - 前記ハウジングは、前記光源及び前記偏向器の少なくとも一方を保持する第1ユニットと;
前記側壁を含む第2ユニットと:を備える請求項1に記載の光走査装置。 - 前記側壁は、プレス加工により形成された板部材であり、前記ホルダは前記板部材の打ち抜き面により位置決めされている請求項2に記載の光走査装置。
- 前記一の折り返しミラーは、前記複数の折り返しミラーのうち、前記レーザ光の光路に沿って最も前記被走査面に近い位置に配置されている請求項1〜3のいずれか一項に記載の光走査装置。
- 前記偏向器は所定の軸回りに回転し、前記光路分離ミラーに反射されたレーザ光の光路は、前記軸に直交する請求項4に記載の光走査装置。
- 前記ホルダは、前記複数の折り返しミラーのいずれかを保持する請求項1〜5のいずれか一項に記載の光走査装置。
- 画像に関する情報から得られる潜像に基づいて形成されたトナー像を、記録媒体に定着させることにより、画像を形成する画像形成装置であって、
請求項1〜6のいずれか一項に記載の光走査装置と;
前記光走査装置により潜像が形成される感光体と;
前記感光体の被走査面に形成された潜像を顕像化する現像装置と;
前記現像手段により顕像化されたトナー像を前記記録媒体に定着させる転写装置と;を備える画像形成装置。
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2008170643A JP5038239B2 (ja) | 2008-06-30 | 2008-06-30 | 光走査装置及び画像形成装置 |
| US12/490,437 US8174747B2 (en) | 2008-06-30 | 2009-06-24 | Optical scanning apparatus and image forming apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2008170643A JP5038239B2 (ja) | 2008-06-30 | 2008-06-30 | 光走査装置及び画像形成装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2010008902A JP2010008902A (ja) | 2010-01-14 |
| JP5038239B2 true JP5038239B2 (ja) | 2012-10-03 |
Family
ID=41447043
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2008170643A Expired - Fee Related JP5038239B2 (ja) | 2008-06-30 | 2008-06-30 | 光走査装置及び画像形成装置 |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US8174747B2 (ja) |
| JP (1) | JP5038239B2 (ja) |
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5157524B2 (ja) | 2008-02-28 | 2013-03-06 | 株式会社リコー | 光走査装置、画像読取装置及び画像形成装置 |
| JP5359920B2 (ja) * | 2010-02-17 | 2013-12-04 | 株式会社リコー | 光学ハウジング、光走査装置及び画像形成装置 |
| JP5494961B2 (ja) | 2010-06-17 | 2014-05-21 | 株式会社リコー | 光走査装置及び画像形成装置 |
| JP5637494B2 (ja) | 2010-08-20 | 2014-12-10 | 株式会社リコー | 光走査装置及び画像形成装置 |
| US8723908B2 (en) * | 2011-01-13 | 2014-05-13 | Kabushiki Kaisha Toshiba | Optical scanning device including plural lenses and image forming apparatus |
| JP2013178496A (ja) | 2012-02-06 | 2013-09-09 | Ricoh Co Ltd | 光走査装置及び画像形成装置 |
| JP5976495B2 (ja) * | 2012-10-17 | 2016-08-23 | シャープ株式会社 | 光走査装置、及びそれを備えた画像形成装置 |
| WO2016084594A1 (ja) * | 2014-11-26 | 2016-06-02 | 京セラドキュメントソリューションズ株式会社 | 光走査装置及びそれを備えた画像形成装置 |
| US10500871B2 (en) * | 2016-04-14 | 2019-12-10 | Kyocera Document Solutions Inc. | Optical scanning device and image forming apparatus including the same |
| JP6223509B2 (ja) * | 2016-07-13 | 2017-11-01 | シャープ株式会社 | 光走査装置、及びそれを備えた画像形成装置 |
| 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 |
| US12332578B2 (en) * | 2022-03-25 | 2025-06-17 | Toshiba Tec Kabushiki Kaisha | Optical scanning device |
| JP2024021978A (ja) * | 2022-08-05 | 2024-02-16 | キヤノン株式会社 | 光走査装置及び画像形成装置 |
| JP2025143707A (ja) * | 2024-03-19 | 2025-10-02 | ブラザー工業株式会社 | 画像形成装置 |
| JP2025144576A (ja) * | 2024-03-20 | 2025-10-03 | ブラザー工業株式会社 | 画像形成装置 |
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-
2008
- 2008-06-30 JP JP2008170643A patent/JP5038239B2/ja not_active Expired - Fee Related
-
2009
- 2009-06-24 US US12/490,437 patent/US8174747B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| US8174747B2 (en) | 2012-05-08 |
| US20090323147A1 (en) | 2009-12-31 |
| JP2010008902A (ja) | 2010-01-14 |
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