JP6895068B2 - 読取モジュール及びそれを備えた画像読取装置並びに画像形成装置 - Google Patents
読取モジュール及びそれを備えた画像読取装置並びに画像形成装置 Download PDFInfo
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- JP6895068B2 JP6895068B2 JP2017152138A JP2017152138A JP6895068B2 JP 6895068 B2 JP6895068 B2 JP 6895068B2 JP 2017152138 A JP2017152138 A JP 2017152138A JP 2017152138 A JP2017152138 A JP 2017152138A JP 6895068 B2 JP6895068 B2 JP 6895068B2
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- 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
- H04N1/04—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
- H04N1/195—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 two-dimensional array or a combination of two-dimensional arrays
- H04N1/19505—Scanning picture elements spaced apart from one another in at least one direction
- H04N1/19521—Arrangements for moving the elements of the array relative to the scanned image or vice versa
- H04N1/19526—Optical means
- H04N1/19531—Reflecting elements
-
- 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
- H04N1/00795—Reading arrangements
- H04N1/00798—Circuits or arrangements for the control thereof, e.g. using a programmed control device or according to a measured quantity
-
- 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
- H04N1/0285—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 in combination with at least one reflector which is in fixed 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
- H04N1/04—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa
- H04N1/10—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 flat picture-bearing surfaces
- H04N1/1013—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 flat picture-bearing surfaces with sub-scanning by translatory movement of at least a part of the main-scanning components
- H04N1/1039—Movement of the main scanning components
- H04N1/1052—Movement of the main scanning components of a mirror
-
- 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
- H04N1/192—Simultaneously or substantially simultaneously scanning picture elements on one main scanning line
- H04N1/193—Simultaneously or substantially simultaneously scanning picture elements on one main scanning line using electrically scanned linear arrays, e.g. linear CCD arrays
- H04N1/1932—Simultaneously or substantially simultaneously scanning picture elements on one main scanning line using electrically scanned linear arrays, e.g. linear CCD arrays using an array of elements displaced from one another in the sub scan direction, e.g. a diagonally arranged array
- H04N1/1933—Staggered element arrays, e.g. arrays with elements arranged in a zigzag
-
- 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
- H04N1/192—Simultaneously or substantially simultaneously scanning picture elements on one main scanning line
- H04N1/193—Simultaneously or substantially simultaneously scanning picture elements on one main scanning line using electrically scanned linear arrays, e.g. linear CCD arrays
- H04N1/1934—Combination of arrays
-
- 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
- H04N1/195—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 two-dimensional array or a combination of two-dimensional arrays
- H04N1/19505—Scanning picture elements spaced apart from one another in at least one direction
- H04N1/19521—Arrangements for moving the elements of the array relative to the scanned image or vice versa
- H04N1/19526—Optical means
- H04N1/19547—Apertures
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Facsimile Scanning Arrangements (AREA)
- Facsimile Heads (AREA)
- Optical Systems Of Projection Type Copiers (AREA)
- Image Input (AREA)
- Lenses (AREA)
Description
25 コンタクトガラス
27 原稿搬送装置
31 光源
34a 第1折り返しミラー
34b 第2折り返しミラー
35 ミラーアレイ
35a〜35d 反射ミラー
37 絞り部
40 光学ユニット(光学系)
41 センサー
41a〜41d 結像領域
50 読取モジュール
60 原稿
100 画像形成装置
d 画像光
Claims (9)
- 原稿を照射する光源と、
該光源から原稿に照射された光の反射光を画像光として結像させる光学系と、
該光学系によって結像された画像光を電気信号に変換する複数の結像領域を有するセンサーと、
を備え、
前記光学系は、
反射面が非球面形状の凹面である複数の反射ミラーが主走査方向にアレイ状に連結されたミラーアレイと、
前記各反射ミラーと前記センサーの前記各結像領域との間にそれぞれ設けられ、前記各反射ミラーで反射された画像光の光量を調整する複数の絞り部と、
を備え、
前記各反射ミラーは、隣接する前記反射ミラーとは主走査方向から見て異なる角度に光を反射するように設けられており、
前記各結像領域は、隣接する前記結像領域とは主走査方向と直交する直交方向にオーバーラップしないように配置されていることを特徴とする読取モジュール。 - 前記複数の反射ミラーは、主走査方向から見て第1の角度または第2の角度に光を反射するように交互に設けられており、
前記複数の結像領域は、千鳥状に配置されていることを特徴とする請求項1に記載の読取モジュール。 - 前記複数の絞り部は、前記ミラーアレイに対して前記直交方向の一方側または他方側に交互に配置されていることを特徴とする請求項1または2に記載の読取モジュール。
- 前記反射ミラーからの光を前記ミラーアレイに対して前記直交方向の一方側に配置された絞り部に向かって反射する第1折り返しミラーと、前記反射ミラーからの光を前記ミラーアレイに対して前記直交方向の他方側に配置された絞り部に向かって反射する第2折り返しミラーと、をさらに備えることを特徴とする請求項3に記載の読取モジュール。
- 前記ミラーアレイと前記絞り部とが一体形成されていることを特徴とする請求項1〜4のいずれか1項に記載の読取モジュール。
- 前記光学系は、前記ミラーアレイの原稿側で画像光が光軸と平行となるテレセントリック光学系であり、前記センサー上に倒立像を結像することを特徴とする請求項1〜5のいずれか1項に記載の読取モジュール。
- 前記センサーの前記各結像領域で読み取った画像データを反転させて正立画像とした後、前記各結像領域の画像を結合することで原稿に対応した読取画像を構成することを特徴とする請求項6に記載の読取モジュール。
- 画像読取部の上面に固定されたコンタクトガラスと、
該コンタクトガラスに対して上方に開閉可能であり、原稿を前記コンタクトガラスの画像読取位置に搬送する原稿搬送装置と、
前記コンタクトガラスの下方に副走査方向に往復移動可能に配置される請求項1〜7のいずれか1項に記載の読取モジュールと、
を備え、
前記読取モジュールは、前記コンタクトガラス上に載置される原稿の画像を副走査方向に移動しながら読み取り可能であり、且つ、前記画像読取位置に搬送される原稿の画像を前記画像読取位置に対向する位置に停止した状態で読み取り可能である画像読取装置。 - 請求項8に記載の画像読取装置が搭載された画像形成装置。
Priority Applications (3)
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JP2017152138A JP6895068B2 (ja) | 2017-08-07 | 2017-08-07 | 読取モジュール及びそれを備えた画像読取装置並びに画像形成装置 |
US16/056,010 US10469697B2 (en) | 2017-08-07 | 2018-08-06 | Reading module and image reading device including same, and image forming apparatus |
CN201810883734.7A CN109391746B (zh) | 2017-08-07 | 2018-08-06 | 读取模块和具备读取模块的图像读取装置及图像形成装置 |
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JP2017152138A JP6895068B2 (ja) | 2017-08-07 | 2017-08-07 | 読取モジュール及びそれを備えた画像読取装置並びに画像形成装置 |
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JP2019033335A JP2019033335A (ja) | 2019-02-28 |
JP6895068B2 true JP6895068B2 (ja) | 2021-06-30 |
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CN (1) | CN109391746B (ja) |
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JP6889390B2 (ja) * | 2016-11-09 | 2021-06-18 | コニカミノルタ株式会社 | 画像読取装置 |
JP2018207140A (ja) * | 2017-05-30 | 2018-12-27 | セイコーエプソン株式会社 | スキャナーおよびスキャンデータの生産方法 |
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Publication number | Priority date | Publication date | Assignee | Title |
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JPS6266758A (ja) * | 1985-09-18 | 1987-03-26 | Mitsubishi Electric Corp | 画像読取装置 |
JPH0344966A (ja) * | 1989-07-13 | 1991-02-26 | Sony Corp | 固体撮像装置 |
JPH118742A (ja) * | 1997-06-13 | 1999-01-12 | Mark:Kk | ミラーアレイ読取装置 |
JP2003121608A (ja) | 2001-10-10 | 2003-04-23 | Nippon Sheet Glass Co Ltd | 等倍結像用レンズアレイ、同アレイを用いた画像読取り装置および同装置を用いた携帯電子機器 |
JP2005037448A (ja) * | 2003-07-15 | 2005-02-10 | Ricoh Opt Ind Co Ltd | ライン像結像光学系およびライン像書込み装置およびライン像読取装置 |
US8345325B2 (en) | 2006-07-26 | 2013-01-01 | Hewlett-Packard Development Company, L.P. | Segmented reflective optical system |
WO2009011153A1 (ja) * | 2007-07-13 | 2009-01-22 | Mitsubishi Electric Corporation | 画像読取装置 |
CN103907337B (zh) * | 2011-10-25 | 2016-08-24 | 三菱电机株式会社 | 照明单元以及使用该照明单元的图像读取装置 |
JP5806103B2 (ja) * | 2011-12-20 | 2015-11-10 | 三菱電機株式会社 | 画像読取装置 |
JP5310905B2 (ja) * | 2012-04-20 | 2013-10-09 | 三菱電機株式会社 | 画像読取装置 |
KR20130143454A (ko) * | 2012-06-21 | 2013-12-31 | 삼성전자주식회사 | 화상 형성 장치 및 그 제어 방법 |
JP6211019B2 (ja) * | 2015-01-27 | 2017-10-11 | 東芝テック株式会社 | レンズミラーアレイ、光学ユニット及び画像形成装置 |
JP2017085501A (ja) * | 2015-10-30 | 2017-05-18 | 株式会社東芝 | 画像読取装置、及び紙葉類処理装置 |
-
2017
- 2017-08-07 JP JP2017152138A patent/JP6895068B2/ja active Active
-
2018
- 2018-08-06 CN CN201810883734.7A patent/CN109391746B/zh active Active
- 2018-08-06 US US16/056,010 patent/US10469697B2/en not_active Expired - Fee Related
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Publication number | Publication date |
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CN109391746A (zh) | 2019-02-26 |
CN109391746B (zh) | 2020-12-01 |
US10469697B2 (en) | 2019-11-05 |
JP2019033335A (ja) | 2019-02-28 |
US20190045075A1 (en) | 2019-02-07 |
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