JP2008236747A - Ledで励起される燐光体を有する原稿照明器 - Google Patents
Ledで励起される燐光体を有する原稿照明器 Download PDFInfo
- Publication number
- JP2008236747A JP2008236747A JP2008065756A JP2008065756A JP2008236747A JP 2008236747 A JP2008236747 A JP 2008236747A JP 2008065756 A JP2008065756 A JP 2008065756A JP 2008065756 A JP2008065756 A JP 2008065756A JP 2008236747 A JP2008236747 A JP 2008236747A
- Authority
- JP
- Japan
- Prior art keywords
- light
- document
- illuminator
- optical element
- phosphor
- 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.)
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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
- H04N1/024—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
-
- 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
-
- 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
- H04N1/0282—Using a single or a few point light sources, e.g. a laser diode
- H04N1/02825—Using a single or a few point light sources, e.g. a laser diode in combination with at least one reflector which is fixed in relation to the light source
-
- 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
- H04N1/0282—Using a single or a few point light sources, e.g. a laser diode
- H04N1/02835—Using a single or a few point light sources, e.g. a laser diode in combination with a light guide, e.g. optical fibre, glass plate
-
- 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
- H04N1/0289—Light diffusing elements, e.g. plates or filters
-
- 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
- H04N1/02895—Additional elements in the illumination means or cooperating with the illumination means, e.g. filters
-
- 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
- H04N1/031—Details of scanning heads ; Means for illuminating the original for picture information pick-up with photodetectors arranged in a substantially linear array the photodetectors having a one-to-one and optically positive correspondence with the scanned picture elements, e.g. linear contact sensors
- H04N1/0318—Integral pick-up heads, i.e. self-contained heads whose basic elements are a light-source, a lens array and a photodetector array which are supported by a single-piece frame
-
- 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
- H04N2201/0077—Types of the still picture apparatus
- H04N2201/0081—Image reader
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Facsimile Scanning Arrangements (AREA)
- Light Sources And Details Of Projection-Printing Devices (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Facsimile Heads (AREA)
Abstract
【解決手段】スキャンバーが、原稿12を照明するよう配置されており、照明器18および検出器を備えている。LED32が、光学要素30の最も長い寸法の一端面40に隣接して配設されている。複数の反射要素48が、後面44に沿って配設されている。燐光体材料50が、光学要素の前面46を画成している層52内に組み込まれている。光が主として後面44に反射されてから、燐光体材料50により拡散される。
【選択図】図2
Description
Claims (3)
- スキャニング装置であって、
スキャンすべき原稿の一部分を照明するための照明器であって、
少なくとも一つの光源と、
前記光源によって放出された光を向け直すよう配置された光学要素と、
前記光学要素によって向け直された光の少なくとも一部分を遮断するよう配設された燐光体材料と、
を含む、前記照明器と、
前記原稿の画像を記録するため前記原稿から反射された光を受け取るよう配置された感光装置と、
を含むことを特徴とするスキャニング装置。 - 照明器であって、
入射面および対向する後面と出射面を画成する光学要素であって、前記出射面は、前記入射面に略垂直であり、前記後面は、前記入射面から受け取った光を前面の方に向け直す複数の反射要素を含み、入射する光を拡散させるため前記反射要素と前記前面との間には粒子材料が配設される、前記光学要素と、
前記入射面に隣接して配置された少なくとも一つの光源と、
を含むことを特徴とする照明器。 - 原稿をスキャンする方法であって、
光源を起動して光を放出し、
前記原稿を照明する光学要素を通して前記光を伝達することであって、前記光学要素の層を通して前記光を伝達することを含み、前記層は粒子材料を含み、これにより前記原稿の照明は前記粒子材料無しの場合よりもより均等である、前記伝達することと、
を含むことを特徴とする方法。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/725,860 US7864381B2 (en) | 2007-03-20 | 2007-03-20 | Document illuminator with LED-driven phosphor |
US11/725,860 | 2007-03-20 |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2008236747A true JP2008236747A (ja) | 2008-10-02 |
JP2008236747A5 JP2008236747A5 (ja) | 2011-03-03 |
JP4781377B2 JP4781377B2 (ja) | 2011-09-28 |
Family
ID=39591969
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2008065756A Expired - Fee Related JP4781377B2 (ja) | 2007-03-20 | 2008-03-14 | スキャニング装置 |
Country Status (5)
Country | Link |
---|---|
US (1) | US7864381B2 (ja) |
EP (1) | EP1973325B1 (ja) |
JP (1) | JP4781377B2 (ja) |
KR (1) | KR20080085761A (ja) |
CN (1) | CN101272438A (ja) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2010204539A (ja) * | 2009-03-05 | 2010-09-16 | Ricoh Co Ltd | 原稿照明装置、画像読取装置および画像形成装置 |
US8727591B2 (en) | 2009-02-24 | 2014-05-20 | Nittoh Kogaku K.K. | Light emitting device and optical element |
JP2014517444A (ja) * | 2011-04-18 | 2014-07-17 | マリミルス オーワイ | 照明ストライプ及び照明ストライプシステム |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101279034B1 (ko) * | 2007-07-11 | 2013-07-02 | 삼성전자주식회사 | 스캐너 모듈 및 이를 채용한 화상독취장치 |
EP2250802B1 (en) * | 2008-02-06 | 2019-05-08 | Global Scanning Denmark A/S | Measuring and compensating for light intensity in an optical scanner |
US8780206B2 (en) * | 2008-11-25 | 2014-07-15 | De La Rue North America Inc. | Sequenced illumination |
US8265346B2 (en) | 2008-11-25 | 2012-09-11 | De La Rue North America Inc. | Determining document fitness using sequenced illumination |
US8094323B2 (en) | 2009-06-26 | 2012-01-10 | Mitutoyo Corporation | Displacement encoder including phosphor illumination source |
US8749767B2 (en) | 2009-09-02 | 2014-06-10 | De La Rue North America Inc. | Systems and methods for detecting tape on a document |
US8509492B2 (en) * | 2010-01-07 | 2013-08-13 | De La Rue North America Inc. | Detection of color shifting elements using sequenced illumination |
US8433124B2 (en) * | 2010-01-07 | 2013-04-30 | De La Rue North America Inc. | Systems and methods for detecting an optically variable material |
US20110176181A1 (en) * | 2010-01-18 | 2011-07-21 | Mark Walter Fagan | Multi-Item Scanning on a Vertically Oriented Scanner |
JP5903950B2 (ja) * | 2012-03-14 | 2016-04-13 | 三菱電機株式会社 | 画像読み取り用ライン光源 |
US9053596B2 (en) | 2012-07-31 | 2015-06-09 | De La Rue North America Inc. | Systems and methods for spectral authentication of a feature of a document |
JP5841587B2 (ja) * | 2013-12-25 | 2016-01-13 | 株式会社Pfu | 撮像システム |
KR20180000174A (ko) * | 2016-06-22 | 2018-01-02 | 엘지이노텍 주식회사 | 형광체 플레이트 및 이를 포함하는 조명 장치 |
WO2018106970A1 (en) | 2016-12-09 | 2018-06-14 | Formfactor, Inc. | Led light source probe card technology for testing cmos image scan devices |
US11119263B2 (en) * | 2017-06-22 | 2021-09-14 | Xerox Corporation | System and method for image specific illumination of image printed on optical waveguide |
CN112042613A (zh) * | 2020-09-11 | 2020-12-08 | 杭州汉徽光电科技有限公司 | 通过蓝光和其转换光进行害虫控制的方法 |
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2007
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-
2008
- 2008-02-25 EP EP08151898.7A patent/EP1973325B1/en not_active Ceased
- 2008-03-14 JP JP2008065756A patent/JP4781377B2/ja not_active Expired - Fee Related
- 2008-03-19 CN CNA2008100854800A patent/CN101272438A/zh active Pending
- 2008-03-19 KR KR1020080025363A patent/KR20080085761A/ko not_active Application Discontinuation
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JP2014517444A (ja) * | 2011-04-18 | 2014-07-17 | マリミルス オーワイ | 照明ストライプ及び照明ストライプシステム |
Also Published As
Publication number | Publication date |
---|---|
EP1973325B1 (en) | 2015-08-05 |
KR20080085761A (ko) | 2008-09-24 |
EP1973325A1 (en) | 2008-09-24 |
CN101272438A (zh) | 2008-09-24 |
US20080231911A1 (en) | 2008-09-25 |
US7864381B2 (en) | 2011-01-04 |
JP4781377B2 (ja) | 2011-09-28 |
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