DE69015925D1 - Optische Einheit für die Verwendung in einem Laserstrahldrucker oder dergleichen. - Google Patents

Optische Einheit für die Verwendung in einem Laserstrahldrucker oder dergleichen.

Info

Publication number
DE69015925D1
DE69015925D1 DE69015925T DE69015925T DE69015925D1 DE 69015925 D1 DE69015925 D1 DE 69015925D1 DE 69015925 T DE69015925 T DE 69015925T DE 69015925 T DE69015925 T DE 69015925T DE 69015925 D1 DE69015925 D1 DE 69015925D1
Authority
DE
Germany
Prior art keywords
laser beam
optical unit
beam printer
printer
optical
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
Application number
DE69015925T
Other languages
English (en)
Other versions
DE69015925T2 (de
Inventor
Takashi Shiraishi
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.)
Toshiba Corp
Original Assignee
Toshiba Corp
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 Toshiba Corp filed Critical Toshiba Corp
Publication of DE69015925D1 publication Critical patent/DE69015925D1/de
Application granted granted Critical
Publication of DE69015925T2 publication Critical patent/DE69015925T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

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
    • H04N1/04—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
    • 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
    • G02B5/00—Optical elements other than lenses
    • G02B5/08—Mirrors
    • G02B5/09—Multifaceted or polygonal mirrors, e.g. polygonal scanning mirrors; Fresnel mirrors

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Mechanical Optical Scanning Systems (AREA)
  • Lenses (AREA)
DE69015925T 1989-08-31 1990-08-21 Optische Einheit für die Verwendung in einem Laserstrahldrucker oder dergleichen. Expired - Fee Related DE69015925T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1225448A JP2928552B2 (ja) 1989-08-31 1989-08-31 走査式光学装置

Publications (2)

Publication Number Publication Date
DE69015925D1 true DE69015925D1 (de) 1995-02-23
DE69015925T2 DE69015925T2 (de) 1995-07-06

Family

ID=16829514

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69015925T Expired - Fee Related DE69015925T2 (de) 1989-08-31 1990-08-21 Optische Einheit für die Verwendung in einem Laserstrahldrucker oder dergleichen.

Country Status (4)

Country Link
US (1) US5064260A (de)
EP (1) EP0415236B1 (de)
JP (1) JP2928552B2 (de)
DE (1) DE69015925T2 (de)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5301060A (en) * 1989-11-30 1994-04-05 Minolta Camera Kabushiki Kaisha Optical element
JPH03293662A (ja) * 1990-04-12 1991-12-25 Fuji Photo Film Co Ltd ハロゲン化銀カラー写真感光材料
US5227811A (en) * 1991-02-27 1993-07-13 Minolta Camera Kabushiki Kaisha Baseplate for an optical scanning device
JP3072146B2 (ja) * 1991-03-05 2000-07-31 旭光学工業株式会社 アナモフイック光学系
JPH05346549A (ja) * 1992-04-17 1993-12-27 Canon Inc 走査光学装置
US5450211A (en) * 1993-06-29 1995-09-12 Minolta Camera Kabushiki Kaisha Image forming apparatus and method for maintaining set magnification not withstanding changes in optical system due to temperature change
US5648865A (en) * 1993-12-27 1997-07-15 Asahi Kogaku Kogyo Kabushiki Kaisha Scanning optical system
JPH08234125A (ja) * 1995-02-23 1996-09-13 Seiko Epson Corp 光走査装置
US5841464A (en) * 1995-10-25 1998-11-24 Gerber Scientific Products, Inc. Apparatus and method for making graphic products by laser thermal transfer
US5877883A (en) * 1996-02-22 1999-03-02 Seiko Epson Corporation Optical scanner
US6919997B2 (en) 2002-07-24 2005-07-19 Heidelberger Druckmaschinen Ag Compact device for imaging a printing form
JP2009058677A (ja) * 2007-08-30 2009-03-19 Ricoh Co Ltd 光走査装置・画像形成装置
JP2011258704A (ja) * 2010-06-08 2011-12-22 Fujitsu Optical Components Ltd 光デバイス

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5818653A (ja) * 1981-07-28 1983-02-03 Sharp Corp 記録装置
JPS5934512A (ja) * 1982-08-23 1984-02-24 Canon Inc 温度補償効果を有する走査光学系
DE3445342A1 (de) * 1983-12-12 1985-06-20 Asahi Kogaku Kogyo K.K., Tokio/Tokyo Laserstrahlbelichtungssystem
JPS6159311A (ja) * 1984-08-30 1986-03-26 Fujitsu Ltd レ−ザプリンタ用光学器
US4731623A (en) * 1985-09-30 1988-03-15 Kabushiki Kaisha Toshiba Image formation device
JP2563260B2 (ja) * 1986-04-11 1996-12-11 松下電器産業株式会社 光ビ−ム走査装置
JP2780254B2 (ja) * 1987-01-12 1998-07-30 ミノルタ株式会社 トーリツク面をもつｆ・θレンズ系
US4866459A (en) * 1987-02-27 1989-09-12 Kabushiki Kaisha Toshiba Image scanner with a non-spherical fθ lens system
JP2584640B2 (ja) * 1987-11-06 1997-02-26 旭光学工業株式会社 レーザービームプリンタ等の走査光学系
JP2712029B2 (ja) * 1987-12-21 1998-02-10 キヤノン株式会社 走査光学装置
JPH01315718A (ja) * 1988-02-24 1989-12-20 Bando Chem Ind Ltd 走査光学系

Also Published As

Publication number Publication date
US5064260A (en) 1991-11-12
EP0415236A2 (de) 1991-03-06
EP0415236A3 (en) 1991-11-06
EP0415236B1 (de) 1995-01-11
JPH0387812A (ja) 1991-04-12
DE69015925T2 (de) 1995-07-06
JP2928552B2 (ja) 1999-08-03

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee