JP2008205844A - 画像読取装置及び画像形成装置 - Google Patents
画像読取装置及び画像形成装置 Download PDFInfo
- Publication number
- JP2008205844A JP2008205844A JP2007039854A JP2007039854A JP2008205844A JP 2008205844 A JP2008205844 A JP 2008205844A JP 2007039854 A JP2007039854 A JP 2007039854A JP 2007039854 A JP2007039854 A JP 2007039854A JP 2008205844 A JP2008205844 A JP 2008205844A
- Authority
- JP
- Japan
- Prior art keywords
- light
- image
- light source
- scanning direction
- document
- 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.)
- Granted
Links
- 230000002093 peripheral effect Effects 0.000 abstract description 25
- 238000005286 illumination Methods 0.000 abstract description 24
- 238000003384 imaging method Methods 0.000 abstract description 10
- 230000006866 deterioration Effects 0.000 abstract description 8
- 230000001678 irradiating effect Effects 0.000 abstract description 8
- 230000003287 optical effect Effects 0.000 description 31
- 239000011521 glass Substances 0.000 description 15
- 238000003825 pressing Methods 0.000 description 6
- 238000012546 transfer Methods 0.000 description 6
- 238000009826 distribution Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 238000003860 storage Methods 0.000 description 5
- 239000000758 substrate Substances 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000007769 metal material Substances 0.000 description 3
- 230000032258 transport Effects 0.000 description 3
- 229910052724 xenon Inorganic materials 0.000 description 3
- FHNFHKCVQCLJFQ-UHFFFAOYSA-N xenon atom Chemical compound [Xe] FHNFHKCVQCLJFQ-UHFFFAOYSA-N 0.000 description 3
- 230000015556 catabolic process Effects 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 238000006731 degradation reaction Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 238000011144 upstream manufacturing Methods 0.000 description 2
- 230000001154 acute effect Effects 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 230000002618 waking effect Effects 0.000 description 1
Images
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
- H04N1/024—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
- H04N1/02855—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 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
- H04N1/02845—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
- H04N1/02865—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 an array of light sources or a combination of such arrays, e.g. an LED bar
-
- 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
- H04N1/04—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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Facsimile Scanning Arrangements (AREA)
- Light Sources And Details Of Projection-Printing Devices (AREA)
- Facsimile Heads (AREA)
Abstract
【解決手段】 原稿面に向けて光を照射する光源140の前面に当該光源140から出力される光を副走査方向に集光させる集光体142を設け、この集光体142の主走査方向の両端面170、172が光源140と対向する底面174に対して鈍角をなすように形成されてなる照明部を備える。
【選択図】図6
Description
12 画像読取部(画像読取装置)
22 画像取込部
24 照明部
26 反射ミラー
34 撮像素子
70 感光体ドラム
112 走行体
138 保持部材
140 光源
142 集光体
160 発光ダイオード
170、172 端面
174 底面
194 反射膜
Claims (4)
- 原稿面からの反射光を原稿画像として撮像素子の受光面に結像させるようにした画像読取装置であって、前記原稿面に沿って走行可能に構成された走行体と、この走行体に取り付けられて前記原稿面に向けて光を照射するもので、前記走行体の走行方向と直交する主走査方向に伸びる光源と、この光源の前面に取り付けることにより当該光源から出力される光を前記走行体の走行方向である副走査方向に集光するもので、前記主走査方向の両端面が前記光源と対向する底面に対して鈍角をなすように形成された集光体とを含む照明部を備えたことを特徴とする画像読取装置。
- 前記集光体は、前記両端面に前記底面から入力された前記光源から出力される光を内側に反射させる反射膜が形成されたものであることを特徴とする請求項1記載の画像読取装置。
- 前記光源は、前記主走査方向に沿ってライン状に配列された複数の発光ダイオードにより構成されたものであることを特徴とする請求項1又は2記載の画像読取装置。
- 原稿面からの反射光を原稿画像として撮像素子の受光面に結像させると共に、前記撮像素子により得た画像データに基づいて感光体ドラムに静電潜像の書き込みを行う画像形成装置であって、請求項1乃至3のいずれかに記載の画像読取装置を備えたことを特徴とする画像形成装置。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007039854A JP5117068B2 (ja) | 2007-02-20 | 2007-02-20 | 画像読取装置及び画像形成装置 |
US12/030,924 US7742202B2 (en) | 2007-02-20 | 2008-02-14 | Image reading apparatus and image forming apparatus |
CN200810005932XA CN101252632B (zh) | 2007-02-20 | 2008-02-18 | 图像读取装置和图像形成装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007039854A JP5117068B2 (ja) | 2007-02-20 | 2007-02-20 | 画像読取装置及び画像形成装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2008205844A true JP2008205844A (ja) | 2008-09-04 |
JP5117068B2 JP5117068B2 (ja) | 2013-01-09 |
Family
ID=39706394
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2007039854A Expired - Fee Related JP5117068B2 (ja) | 2007-02-20 | 2007-02-20 | 画像読取装置及び画像形成装置 |
Country Status (3)
Country | Link |
---|---|
US (1) | US7742202B2 (ja) |
JP (1) | JP5117068B2 (ja) |
CN (1) | CN101252632B (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2011024121A (ja) * | 2009-07-17 | 2011-02-03 | Fuji Xerox Co Ltd | 画像読み取り装置および線状光源装置 |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8614413B2 (en) * | 2007-01-31 | 2013-12-24 | Ricoh Company, Ltd. | Image reading apparatus to illuminate light on an original document with an optical member having four planes positioned such that the light incident side is smaller in size than the light exit side |
JP2009111544A (ja) * | 2007-10-29 | 2009-05-21 | Toshiba Corp | 密着型イメージセンサ、及び画像形成装置 |
JP5049147B2 (ja) * | 2008-01-23 | 2012-10-17 | 株式会社リコー | 画像読取装置、および画像形成装置 |
JP2010130056A (ja) * | 2008-11-25 | 2010-06-10 | Ricoh Co Ltd | 光照射装置、画像読取装置および画像形成装置 |
JP5035702B2 (ja) * | 2009-02-27 | 2012-09-26 | カシオ計算機株式会社 | 撮像装置、オートフォーカス方法及びプログラム |
US8724128B2 (en) * | 2010-10-04 | 2014-05-13 | Kabushiki Kaisha Toshiba | Image reading device and image forming apparatus |
JP2013106145A (ja) * | 2011-11-11 | 2013-05-30 | Fuji Xerox Co Ltd | 読取装置 |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60230618A (ja) * | 1984-05-01 | 1985-11-16 | Canon Inc | 原稿照明装置 |
JPH03136456A (ja) * | 1989-10-20 | 1991-06-11 | Canon Inc | 原稿照明装置 |
JPH10107957A (ja) * | 1996-09-27 | 1998-04-24 | Rohm Co Ltd | 線状光源装置、これに用いる導光部材およびこの導光部材を用いた線状光源を備える画像読み取り装置 |
JP2000349971A (ja) * | 1999-06-02 | 2000-12-15 | Rohm Co Ltd | 画像読み取り装置およびこれに用いる導光部材 |
JP2001036151A (ja) * | 1999-07-21 | 2001-02-09 | Matsushita Electronics Industry Corp | 面発光装置 |
JP2001159795A (ja) * | 1999-12-02 | 2001-06-12 | Sharp Corp | 画像走査装置及び該装置の調整方法 |
JP2006186824A (ja) * | 2004-12-28 | 2006-07-13 | Canon Inc | 画像読取装置 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH02284571A (ja) | 1989-04-26 | 1990-11-21 | Sharp Corp | レンズ縮小読取方式スキャナーのシェーディング歪み補正構造 |
US6714323B1 (en) * | 1999-06-02 | 2004-03-30 | Rohm Co., Ltd. | Image reading apparatus and light conductor used for the same |
CN100334504C (zh) * | 2003-02-28 | 2007-08-29 | 罗姆股份有限公司 | 图像形成装置 |
JP2004261996A (ja) * | 2003-02-28 | 2004-09-24 | Rohm Co Ltd | プリントヘッドおよび画像形成装置 |
JP4170818B2 (ja) * | 2003-04-11 | 2008-10-22 | 株式会社リコー | 照明装置・原稿読み取り装置・画像形成装置 |
EP1511289B1 (en) * | 2003-08-19 | 2011-11-23 | Ricoh Company, Ltd. | Lighting device, image reading apparatus , and image forming apparatus |
JP2005173221A (ja) * | 2003-12-11 | 2005-06-30 | Matsushita Electric Ind Co Ltd | 光走査装置及び画像形成装置 |
US7428088B2 (en) * | 2004-10-28 | 2008-09-23 | Canon Kabushiki Kaisha | Optical scanning apparatus and method for adjusting the same |
-
2007
- 2007-02-20 JP JP2007039854A patent/JP5117068B2/ja not_active Expired - Fee Related
-
2008
- 2008-02-14 US US12/030,924 patent/US7742202B2/en not_active Expired - Fee Related
- 2008-02-18 CN CN200810005932XA patent/CN101252632B/zh not_active Expired - Fee Related
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60230618A (ja) * | 1984-05-01 | 1985-11-16 | Canon Inc | 原稿照明装置 |
JPH03136456A (ja) * | 1989-10-20 | 1991-06-11 | Canon Inc | 原稿照明装置 |
JPH10107957A (ja) * | 1996-09-27 | 1998-04-24 | Rohm Co Ltd | 線状光源装置、これに用いる導光部材およびこの導光部材を用いた線状光源を備える画像読み取り装置 |
JP2000349971A (ja) * | 1999-06-02 | 2000-12-15 | Rohm Co Ltd | 画像読み取り装置およびこれに用いる導光部材 |
JP2001036151A (ja) * | 1999-07-21 | 2001-02-09 | Matsushita Electronics Industry Corp | 面発光装置 |
JP2001159795A (ja) * | 1999-12-02 | 2001-06-12 | Sharp Corp | 画像走査装置及び該装置の調整方法 |
JP2006186824A (ja) * | 2004-12-28 | 2006-07-13 | Canon Inc | 画像読取装置 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2011024121A (ja) * | 2009-07-17 | 2011-02-03 | Fuji Xerox Co Ltd | 画像読み取り装置および線状光源装置 |
US8559072B2 (en) | 2009-07-17 | 2013-10-15 | Fuji Xerox Co., Ltd. | Image reading apparatus and linear light source unit |
Also Published As
Publication number | Publication date |
---|---|
US20080198424A1 (en) | 2008-08-21 |
JP5117068B2 (ja) | 2013-01-09 |
CN101252632B (zh) | 2010-11-10 |
CN101252632A (zh) | 2008-08-27 |
US7742202B2 (en) | 2010-06-22 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP5117068B2 (ja) | 画像読取装置及び画像形成装置 | |
US7965960B2 (en) | Light guide and charge eliminating unit, image forming apparatus and image reading apparatus having the same | |
US8358450B2 (en) | Illuminator, and image reading device and image forming apparatus having the same | |
JP2012248489A (ja) | 画像読取装置及びこれを備えた画像形成装置 | |
JP2008172562A (ja) | 照明装置、画像読取装置、画像形成装置 | |
JP2016225888A (ja) | 照明装置、画像読取装置および画像形成装置 | |
JP5699808B2 (ja) | 導光部材、原稿照明装置、画像読取装置および画像形成装置 | |
JP2008172561A (ja) | 照明装置、画像読取装置及び画像形成装置 | |
JP2008172564A (ja) | 照明装置、画像読取装置、画像形成装置 | |
JP5188893B2 (ja) | 画像読取装置及びそれを備えた画像形成装置 | |
JP5005376B2 (ja) | 画像読取装置及び画像形成装置 | |
JP2008203552A (ja) | 画像読取装置及び画像形成装置 | |
JP2008129247A (ja) | 光照射装置、画像読取装置および画像形成装置 | |
JP2007201642A (ja) | 画像読取装置およびそれを備える画像形成装置 | |
JP5811595B2 (ja) | 原稿照明装置、画像読取装置および画像形成装置 | |
JP5724374B2 (ja) | 原稿照明装置、画像読取装置および画像形成装置 | |
JP5685903B2 (ja) | 原稿照明装置、原稿読取装置、及び画像形成装置 | |
JP5622672B2 (ja) | 画像読取装置及びこれを備えた画像形成装置 | |
JP5302864B2 (ja) | 画像読取装置及びこれを備えた画像形成装置 | |
JP5294219B2 (ja) | 画像読取装置及びこれを備えた画像形成装置 | |
WO2015146470A1 (ja) | 画像読取装置、及びこれを備えた画像形成装置 | |
JP2008193374A (ja) | 照明装置、画像読取装置、画像形成装置 | |
JP6256307B2 (ja) | 照明装置 | |
JP6060580B2 (ja) | 照明装置、画像読取装置及び画像形成装置 | |
JP2006184697A (ja) | 電子写真方式の画像形成装置 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20100121 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20100803 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20100929 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20110405 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20110603 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20120327 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20120518 |
|
A02 | Decision of refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A02 Effective date: 20120619 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20120911 |
|
A911 | Transfer to examiner for re-examination before appeal (zenchi) |
Free format text: JAPANESE INTERMEDIATE CODE: A911 Effective date: 20120920 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20121016 |
|
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20121017 |
|
R150 | Certificate of patent or registration of utility model |
Free format text: JAPANESE INTERMEDIATE CODE: R150 Ref document number: 5117068 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20151026 Year of fee payment: 3 |
|
LAPS | Cancellation because of no payment of annual fees |