KR960014310B1 - 광학독출장치및광차단방법 - Google Patents

광학독출장치및광차단방법 Download PDF

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Publication number
KR960014310B1
KR960014310B1 KR1019880010074A KR880010074A KR960014310B1 KR 960014310 B1 KR960014310 B1 KR 960014310B1 KR 1019880010074 A KR1019880010074 A KR 1019880010074A KR 880010074 A KR880010074 A KR 880010074A KR 960014310 B1 KR960014310 B1 KR 960014310B1
Authority
KR
South Korea
Prior art keywords
light
shielding plate
optical
reading device
optical reading
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
KR1019880010074A
Other languages
English (en)
Korean (ko)
Other versions
KR890004545A (ko
Inventor
스지 요시다
스미노리 다테이시
도모요시 후루사와
Original Assignee
아오이 죠이치
가부시키가이샤 도시바
사와다 겐베이
도시바츠우신시스템엔지니어링 가브시키가이샤
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 아오이 죠이치, 가부시키가이샤 도시바, 사와다 겐베이, 도시바츠우신시스템엔지니어링 가브시키가이샤 filed Critical 아오이 죠이치
Publication of KR890004545A publication Critical patent/KR890004545A/ko
Application granted granted Critical
Publication of KR960014310B1 publication Critical patent/KR960014310B1/ko
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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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
    • H04N1/06—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 cylindrical picture-bearing surfaces, i.e. scanning a main-scanning line substantially perpendicular to the axis and lying in a curved cylindrical surface
    • H04N1/08—Mechanisms for mounting or holding the sheet around the drum
    • 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
    • H04N1/024—Details of scanning heads ; Means for illuminating the original
    • H04N1/028—Details of scanning heads ; Means for illuminating the original for picture information pick-up
    • H04N1/02815—Means for illuminating the original, not specific to a particular type of pick-up head
    • H04N1/02845—Means for illuminating the original, not specific to a particular type of pick-up head using an elongated light source, e.g. tubular lamp, LED array
    • H04N1/0287—Means for illuminating the original, not specific to a particular type of pick-up head using an elongated light source, e.g. tubular lamp, LED array using a tubular lamp or a combination of such lamps
    • 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
    • H04N1/024—Details of scanning heads ; Means for illuminating the original
    • H04N1/028—Details of scanning heads ; Means for illuminating the original for picture information pick-up
    • H04N1/02815—Means for illuminating the original, not specific to a particular type of pick-up head
    • H04N1/02885—Means for compensating spatially uneven illumination, e.g. an aperture arrangement
    • 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
    • H04N1/024—Details of scanning heads ; Means for illuminating the original
    • H04N1/028—Details of scanning heads ; Means for illuminating the original for picture information pick-up
    • H04N1/03—Details of scanning heads ; Means for illuminating the original for picture information pick-up with photodetectors arranged in a substantially linear array
    • 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
    • H04N1/024—Details of scanning heads ; Means for illuminating the original
    • H04N1/028—Details of scanning heads ; Means for illuminating the original for picture information pick-up
    • H04N1/03—Details of scanning heads ; Means for illuminating the original for picture information pick-up with photodetectors arranged in a substantially linear array
    • H04N1/0301—Details of scanning heads ; Means for illuminating the original for picture information pick-up with photodetectors arranged in a substantially linear array using a bent optical path between the scanned line and the photodetector array, e.g. a folded optical path
    • 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
    • H04N2201/024—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof deleted
    • H04N2201/02406—Arrangements for positioning elements within a head
    • 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
    • H04N2201/024—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof deleted
    • H04N2201/02493—Additional optical elements not otherwise provided for, e.g. filters, polarising plates, masks or apertures

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Facsimile Scanning Arrangements (AREA)
  • Facsimile Image Signal Circuits (AREA)
KR1019880010074A 1987-08-06 1988-08-06 광학독출장치및광차단방법 Expired - Fee Related KR960014310B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP1987119832U JPS6425265U (enExample) 1987-08-06 1987-08-06
JP?62-119832 1987-08-06
JP62-119832 1987-08-06

Publications (2)

Publication Number Publication Date
KR890004545A KR890004545A (ko) 1989-04-22
KR960014310B1 true KR960014310B1 (ko) 1996-10-15

Family

ID=14771366

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019880010074A Expired - Fee Related KR960014310B1 (ko) 1987-08-06 1988-08-06 광학독출장치및광차단방법

Country Status (5)

Country Link
US (1) US4907091A (enExample)
EP (1) EP0302743B1 (enExample)
JP (1) JPS6425265U (enExample)
KR (1) KR960014310B1 (enExample)
DE (1) DE3884882T2 (enExample)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5220436A (en) * 1989-01-13 1993-06-15 Fuji Photo Film Co., Ltd. Electronic copying machine
JP3118016B2 (ja) * 1990-07-06 2000-12-18 株式会社リコー 画像読み取り装置
US5170223A (en) * 1990-12-03 1992-12-08 Advanced Fuel Research, Inc. Device for blocking of divergent radiation, as in spectroscopy and instrument and method utilizing same
US5231536A (en) * 1992-05-01 1993-07-27 Xrl, Inc. Robust, LED illumination system for OCR of indicia on a substrate
EP1011458A2 (en) * 1996-11-08 2000-06-28 Russell A. Houser Percutaneous bypass graft and securing system
JPH1138525A (ja) * 1997-07-24 1999-02-12 Brother Ind Ltd 画像読取装置
US6330082B1 (en) * 1998-08-28 2001-12-11 Hewlett-Packard Company Converter for optical scanner
JP2007201642A (ja) * 2006-01-24 2007-08-09 Kyocera Mita Corp 画像読取装置およびそれを備える画像形成装置

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1277012B (de) * 1966-12-20 1968-09-05 Asahi Optical Co Ltd Photozusatz an Fernsehkameras
JPS598804B2 (ja) * 1973-12-19 1984-02-27 キヤノン株式会社 線像形成装置
US4243312A (en) * 1977-10-11 1981-01-06 Minolta Camera Kabushiki Kaisha Electrophotographic copying apparatus
JPS59154873A (ja) * 1983-02-24 1984-09-03 Asahi Optical Co Ltd 画像読取装置
DE3309794A1 (de) * 1983-03-18 1984-09-20 Agfa-Gevaert Ag, 5090 Leverkusen Elektrofotografisches kopiergeraet
JPS6039633A (ja) * 1983-08-12 1985-03-01 Toshiba Corp 画像形成装置
US4614976A (en) * 1983-11-04 1986-09-30 Canon Kabushiki Kaisha Document reader
JPS60177317A (ja) * 1984-02-24 1985-09-11 Canon Inc 画像読取り装置
DE3431616A1 (de) * 1984-08-28 1986-03-06 Messerschmitt-Bölkow-Blohm GmbH, 8012 Ottobrunn Messvorrichtung zur bestimmung der relativlage zweier koerper
US4677495A (en) * 1985-01-30 1987-06-30 Canon Kabushiki Kaisha Original reading apparatus
JPS6290087A (ja) * 1985-10-15 1987-04-24 Minolta Camera Co Ltd 一眼レフレツクスタイプの電子スチ−ルカメラ
SE450803B (sv) * 1985-10-28 1987-07-27 Hasselblad Ab Victor Anordning vid apparater for omvandling av en fergbildspresentation till en elektrisk signal och vice versa
US4812911A (en) * 1986-01-28 1989-03-14 Canon Kabushiki Kaisha Adapter with built-in shutter
EP0276337B1 (de) * 1987-01-24 1989-11-29 Dr.-Ing. Rudolf Hell GmbH Blendenanordnung zur optoelektronischen Abtastung von Vorlagen

Also Published As

Publication number Publication date
JPS6425265U (enExample) 1989-02-13
KR890004545A (ko) 1989-04-22
EP0302743A2 (en) 1989-02-08
US4907091A (en) 1990-03-06
EP0302743A3 (en) 1989-03-08
DE3884882T2 (de) 1994-02-24
DE3884882D1 (de) 1993-11-18
EP0302743B1 (en) 1993-10-13

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