DE69108984T2 - F-Theta Linse und diesselbe benutzende Abbildungsvorrichtung. - Google Patents

F-Theta Linse und diesselbe benutzende Abbildungsvorrichtung.

Info

Publication number
DE69108984T2
DE69108984T2 DE69108984T DE69108984T DE69108984T2 DE 69108984 T2 DE69108984 T2 DE 69108984T2 DE 69108984 T DE69108984 T DE 69108984T DE 69108984 T DE69108984 T DE 69108984T DE 69108984 T2 DE69108984 T2 DE 69108984T2
Authority
DE
Germany
Prior art keywords
same
imaging device
theta lens
theta
lens
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 - Lifetime
Application number
DE69108984T
Other languages
English (en)
Other versions
DE69108984D1 (de
Inventor
Jun Makino
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
Publication of DE69108984D1 publication Critical patent/DE69108984D1/de
Application granted granted Critical
Publication of DE69108984T2 publication Critical patent/DE69108984T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B3/00—Simple or compound lenses
    • G02B3/02—Simple or compound lenses with non-spherical faces
    • G02B3/04—Simple or compound lenses with non-spherical faces with continuous faces that are rotationally symmetrical but deviate from a true sphere, e.g. so called "aspheric" lenses
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B13/00—Optical objectives specially designed for the purposes specified below
    • G02B13/0005—Optical objectives specially designed for the purposes specified below having F-Theta characteristic

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lenses (AREA)
  • Mechanical Optical Scanning Systems (AREA)
  • Laser Beam Printer (AREA)
DE69108984T 1990-06-15 1991-06-13 F-Theta Linse und diesselbe benutzende Abbildungsvorrichtung. Expired - Lifetime DE69108984T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2157013A JPH07111501B2 (ja) 1990-06-15 1990-06-15 ｆθレンズ及びそれを用いた画像形成装置

Publications (2)

Publication Number Publication Date
DE69108984D1 DE69108984D1 (de) 1995-05-24
DE69108984T2 true DE69108984T2 (de) 1995-09-21

Family

ID=15640274

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69108984T Expired - Lifetime DE69108984T2 (de) 1990-06-15 1991-06-13 F-Theta Linse und diesselbe benutzende Abbildungsvorrichtung.

Country Status (5)

Country Link
US (1) US5111219A (de)
EP (1) EP0461660B1 (de)
JP (1) JPH07111501B2 (de)
KR (1) KR940005967B1 (de)
DE (1) DE69108984T2 (de)

Families Citing this family (43)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05346549A (ja) * 1992-04-17 1993-12-27 Canon Inc 走査光学装置
US5563729A (en) * 1993-08-30 1996-10-08 Minolta Co., Ltd. Image forming light scanning apparatus
JP3235306B2 (ja) * 1993-12-16 2001-12-04 ミノルタ株式会社 走査光学系
JP3191538B2 (ja) * 1993-12-17 2001-07-23 富士ゼロックス株式会社 走査レンズ及び光走査装置
US5648865A (en) * 1993-12-27 1997-07-15 Asahi Kogaku Kogyo Kabushiki Kaisha Scanning optical system
JPH0862492A (ja) * 1994-08-19 1996-03-08 Minolta Co Ltd 走査レンズ系
US8213068B1 (en) 1994-09-06 2012-07-03 Canon Kabushiki Kaisha Scanning optical apparatus
JP3303558B2 (ja) 1994-09-06 2002-07-22 キヤノン株式会社 走査光学装置
JP3445050B2 (ja) 1995-02-28 2003-09-08 キヤノン株式会社 走査光学装置及びマルチビーム走査光学装置
JPH0894955A (ja) * 1994-09-21 1996-04-12 Minolta Co Ltd レーザ走査光学系
JP2865009B2 (ja) * 1995-01-12 1999-03-08 富士ゼロックス株式会社 走査レンズ及び光走査装置
JP3546898B2 (ja) * 1995-01-30 2004-07-28 セイコーエプソン株式会社 光走査装置
JP2009145897A (ja) * 1995-02-28 2009-07-02 Canon Inc 走査光学装置及びそれを有するレーザービームプリンタ
JP3712017B2 (ja) * 1995-05-12 2005-11-02 セイコーエプソン株式会社 光走査装置
JP3252708B2 (ja) * 1995-05-31 2002-02-04 キヤノン株式会社 光学素子及びそれを用いた走査光学装置
US6141133A (en) * 1995-10-25 2000-10-31 Ricoh Company, Ltd. Optical scanning device and a scanning lens therefor
US5875051A (en) * 1995-10-25 1999-02-23 Ricoh Company, Ltd. Optical scanning device and a scanning lens therefor
JP3445092B2 (ja) * 1996-03-29 2003-09-08 キヤノン株式会社 走査光学装置
JP3466863B2 (ja) * 1996-12-19 2003-11-17 キヤノン株式会社 走査光学装置及びそれを用いた画像記録装置
JP3397624B2 (ja) * 1996-12-19 2003-04-21 キヤノン株式会社 走査光学装置及びそれを具備するレーザビームプリンター
JPH1152265A (ja) * 1997-07-30 1999-02-26 Nippon Hikyumen Lens Kk 走査光学系
JP2000098288A (ja) * 1998-09-18 2000-04-07 Canon Inc 光走査光学系及びそれを用いた画像形成装置
JP3287319B2 (ja) 1998-10-16 2002-06-04 富士ゼロックス株式会社 光学走査装置、走査レンズ、及び画像形成装置
JP3420956B2 (ja) * 1998-12-18 2003-06-30 松下電器産業株式会社 光走査装置及びこれを用いた画像読取装置と画像形成装置
US6294778B1 (en) 1999-04-22 2001-09-25 Ecrm, Inc. Method and apparatus for recording a flat field image
KR100311628B1 (ko) 1999-07-27 2001-10-18 이형도 광주사장치
JP4684470B2 (ja) 2001-06-08 2011-05-18 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
JP4659277B2 (ja) 2001-06-12 2011-03-30 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
JP4850358B2 (ja) 2001-07-06 2012-01-11 キヤノン株式会社 走査光学装置及びそれを用いた画像形成装置
JP4717285B2 (ja) 2001-08-24 2011-07-06 キヤノン株式会社 走査光学装置及びそれを用いた画像形成装置
KR100619037B1 (ko) * 2004-07-02 2006-09-01 삼성전자주식회사 비대칭 곡률을 갖는 주사 광학 렌즈 및 상기 렌즈를채용한 광 주사 장치
JP3945502B2 (ja) * 2004-09-07 2007-07-18 コニカミノルタビジネステクノロジーズ株式会社 レーザー走査装置
KR100631220B1 (ko) * 2005-09-12 2006-10-04 삼성전자주식회사 광주사장치
JP4898203B2 (ja) 2005-12-06 2012-03-14 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
JP4922790B2 (ja) * 2007-03-06 2012-04-25 株式会社リコー 光走査装置および画像形成装置
JP2008276196A (ja) 2007-03-30 2008-11-13 Hoya Corp 走査光学系
KR101329743B1 (ko) * 2007-06-27 2013-11-14 삼성전자주식회사 광 주사 장치 및 화상 형성 장치
TWI363698B (en) 2009-03-31 2012-05-11 E Pin Optical Industry Co Ltd Two optical elements fθ lens of short focal distance for laser scanning unit
CN101881874B (zh) * 2009-05-06 2011-12-07 一品光学工业股份有限公司 短聚光距二片式fθ镜片
TWI426297B (zh) 2009-06-25 2014-02-11 E Pin Optical Industry Co Ltd 雷射掃描裝置之短聚光距二片式ｆΘ鏡片（二）
JP2011232768A (ja) * 2011-06-16 2011-11-17 Canon Inc 走査光学装置
JP2013174789A (ja) * 2012-02-27 2013-09-05 Kyocera Document Solutions Inc 光走査装置及びこれを用いた画像形成装置
JP6045455B2 (ja) * 2013-08-02 2016-12-14 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 (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5487540A (en) * 1977-12-23 1979-07-12 Canon Inc Information processing terminal device
JPS585706A (ja) * 1981-07-02 1983-01-13 Ricoh Co Ltd 単玉▲ｆ▼θレンズ
US4866459A (en) * 1987-02-27 1989-09-12 Kabushiki Kaisha Toshiba Image scanner with a non-spherical fθ lens system
JPS63281559A (ja) * 1987-05-14 1988-11-18 Konica Corp 画像記録装置
EP0309205B1 (de) * 1987-09-22 1994-02-02 Tokyo Electric Co., Ltd. Hinter einem Objektiv angeordneter optischer Ablenker
US5038156A (en) * 1988-02-04 1991-08-06 Minolta Camera Kabushiki Kaisha Light beam scanning optical system
JPH01257808A (ja) * 1988-04-08 1989-10-13 Pioneer Electron Corp プロジェクションテレビ用投影レンズ

Also Published As

Publication number Publication date
EP0461660A3 (en) 1992-03-18
KR940005967B1 (ko) 1994-06-25
EP0461660A2 (de) 1991-12-18
KR920001220A (ko) 1992-01-30
EP0461660B1 (de) 1995-04-19
JPH07111501B2 (ja) 1995-11-29
US5111219A (en) 1992-05-05
JPH0450908A (ja) 1992-02-19
DE69108984D1 (de) 1995-05-24

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