KR970076342A - 스캐너 조명장치와 방법 - Google Patents

스캐너 조명장치와 방법 Download PDF

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Publication number
KR970076342A
KR970076342A KR1019960017534A KR19960017534A KR970076342A KR 970076342 A KR970076342 A KR 970076342A KR 1019960017534 A KR1019960017534 A KR 1019960017534A KR 19960017534 A KR19960017534 A KR 19960017534A KR 970076342 A KR970076342 A KR 970076342A
Authority
KR
South Korea
Prior art keywords
light emitting
amount
emitting unit
scanner
light
Prior art date
Application number
KR1019960017534A
Other languages
English (en)
Other versions
KR100200966B1 (ko
Inventor
김용근
Original Assignee
김광호
삼성전자 주식회사
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 김광호, 삼성전자 주식회사 filed Critical 김광호
Priority to KR1019960017534A priority Critical patent/KR100200966B1/ko
Priority to US08/859,330 priority patent/US5767979A/en
Priority to CN97113437A priority patent/CN1112024C/zh
Publication of KR970076342A publication Critical patent/KR970076342A/ko
Application granted granted Critical
Publication of KR100200966B1 publication Critical patent/KR100200966B1/ko

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Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
    • G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
    • 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
    • H04N1/40—Picture signal circuits
    • H04N1/40056—Circuits for driving or energising particular reading heads or original illumination means
    • 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

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Theoretical Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Artificial Intelligence (AREA)
  • Toxicology (AREA)
  • General Health & Medical Sciences (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Electromagnetism (AREA)
  • Health & Medical Sciences (AREA)
  • Optics & Photonics (AREA)
  • General Engineering & Computer Science (AREA)
  • Facsimile Scanning Arrangements (AREA)
  • Light Sources And Details Of Projection-Printing Devices (AREA)

Abstract

1. 청구범위에 기재된 발명이 속한 기술분야
스캐너 조명장치와 방법에 관한 것이다.
2. 발명이 해결하려고 하는 기술적 과제
평탄한 조도를 유지한다.
3. 발명을 해결방법의 요지
발광소자를 일정하게 배치하고, 종단부분으로 갈수록 상기 발광소자에서 발광하는 광량을 증가시켜 종단부분에서 손실되는 광량을 보상한다.
4. 발명의 중요한 용도
스캐너 조명장치에서 사용되어 질 수 있다.

Description

스캐너 조명장치의 방법
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제6도는 본 발명의 바람직한 실시예에 따른 스캐너 블럭도를 도시한 것이다. 제7도는 제5도의 발광다이오드 어레이배치도를 도시한 것이다. 제8도는 제5도의 발광다이오드 어레이에서 발광한 광의 조도를 나타낸 것이다.

Claims (4)

  1. 스캐너 조명방법에 있어서, 발광소자를 일정하게 배치하고, 배치의 중심에서 종단부분으로 갈수록 상기 발광소자에서 발광하는 광량을 증가시켜 종단부분에서 손실되는 광량을 보상하는 것을 특징으로 하는 스캐너 조명방법.
  2. 제 1항에 있어서, 상기 스캐너 조명방법에 있어서, 상기 발광소자에 정전류를 제공하는 것을 특징으로 하는 스캐너 조명방법.
  3. 스캐너 조명장치에 있어서, 일정간격으로 발광소자를 배치하고, 상기 발광소자가 종단으로 갈수록 발광되는 광량을 증가시키는 발광부와, 상기 발광부에 정전류를 인가하는 전원부를 구비하는 것을 특징으로 하는 스캐너 조명장치.
  4. 제3항에 있어서, 상기 발광부가 상기 발광소자를 다수의 LED를 사용하고, 상기 다수의 LED에 각각의 저항을 직렬로 연결하여, 상기 저항의 저항치를 LED의 위치에 따라 다르게 설정하여, 종단의 위치한 LED에서 발광되는 광량을 증가시키는 발광부를 구비하는 것을 특징으로 하는 스캐너 조명장치.
    ※참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019960017534A 1996-05-22 1996-05-22 스캐너 조명장치와 방법 KR100200966B1 (ko)

Priority Applications (3)

Application Number Priority Date Filing Date Title
KR1019960017534A KR100200966B1 (ko) 1996-05-22 1996-05-22 스캐너 조명장치와 방법
US08/859,330 US5767979A (en) 1996-05-22 1997-05-20 Led light source apparatus for scanner and method for controlling the same
CN97113437A CN1112024C (zh) 1996-05-22 1997-05-22 扫描器的光源装置及其控制方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019960017534A KR100200966B1 (ko) 1996-05-22 1996-05-22 스캐너 조명장치와 방법

Publications (2)

Publication Number Publication Date
KR970076342A true KR970076342A (ko) 1997-12-12
KR100200966B1 KR100200966B1 (ko) 1999-06-15

Family

ID=19459558

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019960017534A KR100200966B1 (ko) 1996-05-22 1996-05-22 스캐너 조명장치와 방법

Country Status (3)

Country Link
US (1) US5767979A (ko)
KR (1) KR100200966B1 (ko)
CN (1) CN1112024C (ko)

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US5661645A (en) 1996-06-27 1997-08-26 Hochstein; Peter A. Power supply for light emitting diode array
US6172700B1 (en) * 1997-01-16 2001-01-09 Ricoh Company, Ltd. Writing device for an image forming apparatus
JP3188223B2 (ja) * 1997-09-22 2001-07-16 オリンパス光学工業株式会社 自己照明型スキャナ装置
US6299329B1 (en) 1999-02-23 2001-10-09 Hewlett-Packard Company Illumination source for a scanner having a plurality of solid state lamps and a related method
JP4291945B2 (ja) * 1999-11-05 2009-07-08 富士フイルム株式会社 記録方法及び記録装置
US7068295B2 (en) * 2002-07-15 2006-06-27 Ricoh Company, Ltd. Optical writing unit, a driving method thereof, and an image forming apparatus
JP2008193268A (ja) * 2007-02-01 2008-08-21 Seiko Epson Corp 画像生成装置、画像生成方法およびプログラム
US9172836B2 (en) * 2007-08-28 2015-10-27 Hewlett-Packard Development Company, Lp. Optical scanner illumination system and method
JP2009060491A (ja) 2007-09-03 2009-03-19 Seiko Epson Corp 画像読取装置、画像読取方法。
JP2009199947A (ja) * 2008-02-22 2009-09-03 Seiko Epson Corp 光源装置および原稿読み取り装置
CN101603652B (zh) * 2008-06-13 2011-12-07 东友科技股份有限公司 扫描模块的光源投射装置及其光源排列方法
US9065960B2 (en) * 2009-11-24 2015-06-23 Lexmark International, Inc. System for non-uniformly illuminating an original and capturing an image therof

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3676596D1 (de) * 1985-09-05 1991-02-07 Agfa Gevaert Nv Verfahren zum justieren der lichtausstrahlung einer leuchtdiode bei einem vorgegebenen treibstrom.
DE3534338A1 (de) * 1985-09-26 1987-04-02 Siemens Ag Elektrofotografischer drucker mit einer belichtungsenergie/korrektureinrichtung fuer den optischen zeichengenerator
JPS62132474A (ja) * 1985-12-04 1987-06-15 Matsushita Graphic Commun Syst Inc Ｌｅｄアレイ光量ばらつき補正方法
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Also Published As

Publication number Publication date
US5767979A (en) 1998-06-16
CN1112024C (zh) 2003-06-18
CN1181675A (zh) 1998-05-13
KR100200966B1 (ko) 1999-06-15

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