KR890005550A - 화상 형성장치용 광학장치 - Google Patents

화상 형성장치용 광학장치 Download PDF

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Publication number
KR890005550A
KR890005550A KR1019880011976A KR880011976A KR890005550A KR 890005550 A KR890005550 A KR 890005550A KR 1019880011976 A KR1019880011976 A KR 1019880011976A KR 880011976 A KR880011976 A KR 880011976A KR 890005550 A KR890005550 A KR 890005550A
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KR
South Korea
Prior art keywords
light emitting
laser
forming apparatus
image carrier
image forming
Prior art date
Application number
KR1019880011976A
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English (en)
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KR910008488B1 (ko
Inventor
다카시 시라이시
Original Assignee
아오이 죠이치
가부시키가이샤 도시바
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Publication of KR890005550A publication Critical patent/KR890005550A/ko
Application granted granted Critical
Publication of KR910008488B1 publication Critical patent/KR910008488B1/ko

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    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • 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
    • 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
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/0025—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 for optical correction, e.g. distorsion, aberration
    • G02B27/0031—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 for optical correction, e.g. distorsion, aberration for scanning purposes
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K15/00—Arrangements for producing a permanent visual presentation of the output data, e.g. computer output printers
    • G06K15/02—Arrangements for producing a permanent visual presentation of the output data, e.g. computer output printers using printers
    • G06K15/12—Arrangements for producing a permanent visual presentation of the output data, e.g. computer output printers using printers by photographic printing, e.g. by laser printers
    • G06K15/1204—Arrangements for producing a permanent visual presentation of the output data, e.g. computer output printers using printers by photographic printing, e.g. by laser printers involving the fast moving of an optical beam in the main scanning direction
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K15/00—Arrangements for producing a permanent visual presentation of the output data, e.g. computer output printers
    • G06K15/02—Arrangements for producing a permanent visual presentation of the output data, e.g. computer output printers using printers
    • G06K15/12—Arrangements for producing a permanent visual presentation of the output data, e.g. computer output printers using printers by photographic printing, e.g. by laser printers
    • G06K15/1238—Arrangements for producing a permanent visual presentation of the output data, e.g. computer output printers using printers by photographic printing, e.g. by laser printers simultaneously exposing more than one point
    • G06K15/1257—Arrangements for producing a permanent visual presentation of the output data, e.g. computer output printers using printers by photographic printing, e.g. by laser printers simultaneously exposing more than one point on more than one main scanning line
    • G06K15/1261—Arrangements for producing a permanent visual presentation of the output data, e.g. computer output printers using printers by photographic printing, e.g. by laser printers simultaneously exposing more than one point on more than one main scanning line using an array of light sources
    • 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
    • H04N1/19—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 multi-element arrays
    • H04N1/191—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 multi-element arrays the array comprising a one-dimensional array, or a combination of one-dimensional arrays, or a substantially one-dimensional array, e.g. an array of staggered elements
    • H04N1/1911—Simultaneously or substantially simultaneously scanning picture elements on more than one main scanning line, e.g. scanning in swaths
    • H04N1/1912—Scanning main scanning lines which are spaced apart from one another in the sub-scanning direction

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Optics & Photonics (AREA)
  • General Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • General Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Facsimile Scanning Arrangements (AREA)
  • Mechanical Optical Scanning Systems (AREA)
  • Dot-Matrix Printers And Others (AREA)
  • Laser Beam Printer (AREA)

Abstract

내용 없음

Description

화상 형상장치용 광학장치
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명의 제1실시예에서 광학장치를 나타내는 개략사시도,
제4도는 본 발명의 제1실시예에서 그 구동장치를 나타내는 개략블럭도,
제6도는 본 발명의 제1실시예에서 그 콜리메이터유니트를 나타내는 일부 절개사시도.

Claims (5)

  1. 제1의 방향으로 나란히 설치된 다수의 발광부에 의해 발광되는 다수의 레이저빔을, 화상담지체상의 다른 위치에 있어서 동시에 제2방향으로 주사하고, 상기 화상담지체상에서 화상을 형성함에 있어서, 상기 다수의 레이저빔중 [i]번째 레이저빔의 상대위치 [Si]가 상기 화상담지체상의 제1방향에서, Si〓[(nm1+K1)P2] (단, n은 발광부의 총수, K1는 i-1,m1는 임의의 정수, P2는 최종적으로 형성된 화상의 제1방향의 피치)로 되는 위치에 조사되도록 된 것을 특징으로 하는 화상 형성장치용 광학장치.
  2. 제1항에 있어서, 상기 다수의 레이저빔에 의한 임의의 주사종료후, 상기 다수의 레이저빔이 상기 화상담지체상에 있어서, 상기 임의로 주사된 각 레이저빔 위치보다 [nP2]씩 어긋난 위치에 조사되는 것을 특징으로 하는 화상 형성장치용 광학장치.
  3. 제1항 또는 제 2항에 있어서, 상기 다수의 발광부가 각각을 구동하는 다수의 레이저 구동부를 구비하고, 상기 다수의 레이저구동부 중 [i]번째의 레이저구동부가, [max(m1)-m1+1]개 (단, m1는 [Pi/n]의 몫, Pi〓Si/P2, max(m1)는 [Pi/n]의 몫의 최대치, 1〈i〈n)의 라인버퍼를 구비한 것을 특징으로 하는 화상형성장치용 광학장치.
  4. 제1항 내지 3항중의 어느 한 항에 있어서, 다수의 발광부가, 화상담지체상에 있어서 [i]번째의 레이저빔이 [(nm1+K1)P2]로 되도록 배치하고, 선행하는 주사종료 후 다음 주사개시까지의 시간에 사기 화상담지체를 [nP2]이동시키도록 된 것을 특징으로 하는 화상형성장치용 광학장치.
  5. 제1항 내지 4항중의 어느 한 항에 있어서, 다수의 발광부가, 이 발광부로부터의 출력에 상응하여 발광출력을 제어하는 출력안정화 수단을 갖는 반도체 레이저로 된 것을 특징으로 하는 화상형성장치용 광학장치.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019880011976A 1987-09-18 1988-09-16 화상형성장치용 광학장치 KR910008488B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP62-232344 1987-09-18
JP62232344A JPS6475239A (en) 1987-09-18 1987-09-18 Optical device for imaging device

Publications (2)

Publication Number Publication Date
KR890005550A true KR890005550A (ko) 1989-05-15
KR910008488B1 KR910008488B1 (ko) 1991-10-18

Family

ID=16937735

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019880011976A KR910008488B1 (ko) 1987-09-18 1988-09-16 화상형성장치용 광학장치

Country Status (3)

Country Link
US (1) US4878066A (ko)
JP (1) JPS6475239A (ko)
KR (1) KR910008488B1 (ko)

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JPH02238962A (ja) * 1989-03-13 1990-09-21 Hitachi Koki Co Ltd 複数ビーム走査形レーザプリンタの印刷ドットピッチ切換方法
US5153768A (en) * 1990-03-08 1992-10-06 Xerox Corporation Multiple wavelength, multiple diode laser ROS
US5434600A (en) * 1990-06-25 1995-07-18 Schoonscan, Inc. Illumination module for bandwise imaging device
JP2641962B2 (ja) * 1990-07-25 1997-08-20 大日本スクリーン製造株式会社 光ビーム走査記録装置
GB9103262D0 (en) * 1991-02-15 1991-08-21 Marconi Gec Ltd Optical systems
US5471236A (en) * 1991-02-28 1995-11-28 Fuji Xerox Co., Ltd. Multi-beam scan optical system
JPH0773134B2 (ja) * 1991-02-28 1995-08-02 富士ゼロックス株式会社 マルチビーム半導体レーザーアレイ及びマルチビームレーザープリンター
EP0697782B1 (en) * 1991-05-14 2000-01-12 Seiko Epson Corporation Image forming apparatus
JP3093337B2 (ja) * 1991-07-15 2000-10-03 キヤノン株式会社 走査光学装置
US5475416A (en) * 1992-06-03 1995-12-12 Eastman Kodak Company Printing system for printing an image with lasers emitting diverging laser beams
US5444728A (en) * 1993-12-23 1995-08-22 Polaroid Corporation Laser driver circuit
JP3375196B2 (ja) * 1994-03-24 2003-02-10 東芝テック株式会社 光走査装置およびこの光走査装置に適した画像形成装置
JP3538651B2 (ja) * 1994-08-29 2004-06-14 コニカミノルタホールディングス株式会社 ２ビーム光走査装置を有する画像形成装置
US5617133A (en) * 1994-10-24 1997-04-01 Xerox Corporation Method and apparatus for adjusting orientation of light beams in a raster scanning system
JP2912556B2 (ja) * 1994-10-25 1999-06-28 富士通株式会社 像形成装置における露光方法及び像形成装置
JPH09179046A (ja) 1995-12-26 1997-07-11 Toshiba Corp 光走査装置
JP3604852B2 (ja) * 1996-12-28 2004-12-22 キヤノン株式会社 走査光学装置及びレーザービームプリンタ
JP3595640B2 (ja) * 1997-02-07 2004-12-02 キヤノン株式会社 走査光学系及びレーザービームプリンタ
EP0875798A3 (en) * 1997-04-29 2004-09-08 Xeikon International N.V. Multi-beam system with beam control using an electrostatic voltage sensor
US6317244B1 (en) * 1998-12-17 2001-11-13 Canon Kabushiki Kaisha Light-scanning optical system and image-forming apparatus comprising the same
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JP2001004938A (ja) * 1999-06-23 2001-01-12 Seiko Epson Corp 光走査装置
JP4489871B2 (ja) * 1999-06-29 2010-06-23 東芝テック株式会社 画像形成装置および画像形成方法
US6469818B1 (en) * 1999-10-06 2002-10-22 Canon Kabushiki Kaisha Multi-beam scanning optical apparatus and image forming apparatus using it
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US7151556B2 (en) 2002-08-23 2006-12-19 Samsung Electronics Co., Ltd. Sub-scanning interval adjusting apparatus for multi-beam scanning unit
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JP2008051978A (ja) 2006-08-23 2008-03-06 Brother Ind Ltd 光源装置およびその製造方法、露光装置ならびに画像形成装置
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Also Published As

Publication number Publication date
KR910008488B1 (ko) 1991-10-18
US4878066A (en) 1989-10-31
JPS6475239A (en) 1989-03-20

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