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公开(公告)号：JP2013085187A
公开(公告)日：2013-05-09
申请号：JP2011225078
申请日：2011-10-12
Applicant: Toshiba Corp , 株式会社東芝
Inventor： IGARI SEIJI , MIURA JUNJI
CPC classification number: H04N1/02815 , H04N1/00806 , H04N1/02481 , H04N1/02885 , H04N1/02895 , H04N1/1235 , H04N1/125 , H04N1/193 , H04N2201/0081 , H04N2201/02435 , H04N2201/02439
Abstract: PROBLEM TO BE SOLVED: To provide an image reading device which cancels out a backing effect, fluctuation characteristics, due to a change in a distance between a white reference plate and a paper sheet caused by conveyance fluttering of the paper sheet at a reading position by changing light distribution characteristics by means of movement of an illuminating device, and further to provide a paper sheet processing device.SOLUTION: A backing effect, fluctuation characteristic, in which reflection brightness is reduced in response to a floating amount h of a paper sheet by the backing effect due to a change in a distance between a white reference plate W and the paper sheet caused by conveyance fluttering of the paper sheet at a reading position A is formed. On the other hand, light distribution characteristics of an illuminating device 2 in a height direction at the reading position A can be set by moving an irradiation angle movement mechanism, an X direction movement mechanism and a Y direction movement mechanism on the basis of a movement amount of an arrangement position of the illuminating device 2 obtained from an illumination movement distance table on the basis of a type of the paper sheet or thickness information. The backing effect, fluctuation characteristic, in which the reflection brightness is reduced is cancelled out by movement of the illuminating device 2.
Abstract translation: 要解决的问题：提供一种消除背景效果的图像读取装置，由于在纸张的输送振动引起的白色参考板和纸张之间的距离的变化引起的波动特性 通过照明装置的移动来改变配光特性的读取位置，并且还提供一种纸张处理装置。 解决方案：由于白色参考板W和纸张之间的距离变化，反射亮度响应于纸张的浮动量h由背衬效果而降低的背景效果，波动特性 由于在读取位置A处的纸张的输送振动而形成。 另一方面，照明装置2在读取位置A的高度方向的配光特性可以通过基于移动来移动照射角度移动机构，X方向移动机构和Y方向移动机构来设定 基于纸张类型或厚度信息从照明移动距离表获得的照明装置2的布置位置的量。 通过照明装置2的移动来消除反射亮度降低的背景效果，波动特性。（C）2013，JPO＆INPIT
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公开(公告)号：JP5153561B2
公开(公告)日：2013-02-27
申请号：JP2008267220
申请日：2008-10-16
Applicant: キヤノン株式会社
Inventor： 健 山脇
CPC classification number: G02B26/124 , G02B26/123 , G02B26/125 , H04N1/113 , H04N1/129 , H04N2201/02431 , H04N2201/02433 , H04N2201/02435
Abstract: A scanning optical apparatus capable of forming a preferable image, includes a light source unit, a rotational polygon mirror having a plurality of deflection surfaces for deflectively scanning a light flux emerged from the light source unit, an incident optical system for imaging the light flux as a line image on the deflection surfaces; and an imaging optical system which has one or more imaging lenses, images the light flux that has passed through the rotational polygon mirror on a surface to be scanned, and brings the deflection surfaces and the surface to be scanned into a conjugate relationship with each other in a sub scanning section, in which at least one of the imaging lenses of the imaging optical system has a lens surface formed into a non-arcked shape in the sub scanning section, and is held by a holding member so as to be movable.
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公开(公告)号：JP2012142738A
公开(公告)日：2012-07-26
申请号：JP2010293227
申请日：2010-12-28
Applicant: Canon Components Inc , キヤノン・コンポーネンツ株式会社
Inventor： SHIMODA SHUICHI , YOSHIDA HIDEMASA , KIYOTA HIDEO , MURAKAMI HIROYUKI
CPC classification number: H04N1/0249 , H04N1/02481 , H04N1/02835 , H04N2201/02435 , H04N2201/02449 , H04N2201/02456 , H04N2201/02458 , H04N2201/02462 , H04N2201/02474 , H04N2201/02481
Abstract: PROBLEM TO BE SOLVED: To provide an image sensor unit preventing occurrence of leakage light and preventing a scratch, a wear and the like, which occur in a light guide, and to provide an image reader.SOLUTION: A convex locking claw 17 is installed at an end of a first light incident surface 100 side in the light guide 11, and a concave locking section 18 locked to the locking claw 17 of the light guide 11 is disposed in a frame 15. A light shielding member 16 is slidably and loosely inserted into a position covering an end of a second light incident surface 101 side in a longitudinal direction of the light guide 11. Even if contraction due to fluctuation such as an atmospheric temperature and/or an atmospheric humidity occurs in the longitudinal direction of the light guide 11, a design dimension of a first gap A between the first light incident surface 100 and a first light source 9 and a second gap B between the second light incident surface 101 and a second light source 10 can be maintained. Thus, the occurrence of the leakage light can be prevented.
Abstract translation: 要解决的问题：提供一种图像传感器单元，其防止发生泄漏光并防止在导光体中发生的划痕，磨损等，并提供图像读取器。 解决方案：凸出的锁定爪17安装在光导11中的第一光入射面100侧的端部，并且锁定在光导11的锁定爪17上的凹形锁定部18布置在 遮光构件16可滑动地并且松动地插入到覆盖光导11的纵向方向上的第二光入射面101侧的端部的位置。即使由于诸如大气温度和/ 或者在导光体11的纵向发生大气湿度时，第一光入射面100与第一光源9之间的第一间隙A和第二光入射面101与第二光入射面101之间的第二间隙B的设计尺寸 可以维持第二光源10。 因此，可以防止泄漏光的发生。 版权所有（C）2012，JPO＆INPIT
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Patent Agency Ranking
公开(公告)号：JP4908658B1
公开(公告)日：2012-04-04
申请号：JP2011243740
申请日：2011-11-07
Applicant: キヤノン・コンポーネンツ株式会社
Inventor： 秀尚 高橋
IPC: H04N1/028
CPC classification number: H04N1/0318 , H04N1/02835 , H04N2201/02435 , H04N2201/02445 , H04N2201/02456 , H04N2201/02458 , H04N2201/02462 , H04N2201/02464 , H04N2201/02472 , H04N2201/02474 , H04N2201/02483 , H04N2201/02485 , H04N2201/03112 , H04N2201/03125 , H04N2201/03129 , H04N2201/03141 , H04N2201/03145
Abstract: 【課題】導光体の変形を防止することにより密着型イメージセンサユニットの品質の向上を図ることを目的とする。
【解決手段】本発明の密着型イメージセンサユニットは、原稿照明用の光源１０と、前記光源１０からの光を原稿へ導くための棒状の導光体１１と、前記原稿からの反射光を光電変換素子１３に結像するロッドレンズアレイ１２と、前記光電変換素子１３が実装されたセンサ基板１４と、これらを装着すると共に前記導光体１１を装着するための位置決め部２００を有するフレーム１５と、前記導光体１１の長手方向の一部分を着脱自在且つ摺動可能に支持すると共に前記位置決め部２００に着脱自在に装着されるホルダ１６とを備えている。
【選択図】図９-
125.发明专利
公开(公告)号：JP2010096957A
公开(公告)日：2010-04-30
申请号：JP2008267220
申请日：2008-10-16
Inventor： YAMAWAKI TAKESHI
CPC classification number: G02B26/124 , G02B26/123 , G02B26/125 , H04N1/113 , H04N1/129 , H04N2201/02431 , H04N2201/02433 , H04N2201/02435
Abstract: PROBLEM TO BE SOLVED: To obtain a scanning optical apparatus which effectively prevents the spot of a luminous flux from becoming out of shape due to the shift of the optical line height of the luminous flux which is made incident on an imaging optical system occurring when a deflection face and a face to be scanned are put into a conjugated relationship over the whole region of scanning range and which forms an excellent image as a result.
SOLUTION: The scanning optical apparatus includes: a light source means 1; a rotary polygon mirror 5 having a plurality of deflection faces which deflect the luminous flux emitted from the light source means; an incident optical system LA which images the luminous flux emitted from the light source means as a long line image extending in a main scanning direction on the deflection faces of the rotary polygon mirror; and an imaging optical system which images the luminous flux scanned and deflected on the rotary polygon mirror onto a face to be scanned, puts the deflection faces of the rotary polygon mirror and the face to be scanned into the conjugate relationship in a subscanning cross section and has one or more imaging lenses 61, 62, wherein at least one imaging lenses of the imaging optical system has an aspherical face in the subscanning cross section and is movably held by a holding member.
COPYRIGHT: (C)2010,JPO&INPITAbstract translation: 要解决的问题：为了获得一种扫描光学装置，其有效地防止由于入射到成像光学系统上的光束的光线高度的偏移而导致光束的光斑变形， 当扫描的偏转面和面部在扫描范围的整个区域上成为共轭关系时，结果是形成优异的图像。 解决方案：扫描光学装置包括：光源装置1; 具有使从光源装置发出的光束偏转的多个偏转面的旋转多面镜5; 将从光源装置发出的光束成像的入射光学系统LA作为在旋转多面镜的偏转面上沿主扫描方向延伸的长线图像; 以及成像光学系统，其将在旋转多面镜上扫描和偏转的光束成像到待扫描的面上，使得旋转多面镜的偏转面和要扫描的面部成为副扫描横截面的共轭关系， 具有一个或多个成像透镜61,62，其中成像光学系统的至少一个成像透镜在副扫描横截面中具有非球面并且由保持构件可移动地保持。 版权所有（C）2010，JPO＆INPIT
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公开(公告)号：JP2010004447A
公开(公告)日：2010-01-07
申请号：JP2008163074
申请日：2008-06-23
Applicant: Nisca Corp , ニスカ株式会社
Inventor： OZAWA JUNYA
CPC classification number: H04N1/024 , H04N1/1017 , H04N1/193 , H04N2201/02408 , H04N2201/0242 , H04N2201/02431 , H04N2201/02433 , H04N2201/02435 , H04N2201/02458 , H04N2201/0246 , H04N2201/02462 , H04N2201/02468 , H04N2201/02487 , H04N2201/0458
Abstract: PROBLEM TO BE SOLVED: To provide an image reading apparatus in which the optical adjustment of mirrors is facilitated when supporting carriages, on which the mirrors are mounted, on right and left rail surfaces movably along a platen.
SOLUTION: The image reading apparatus is configured to guide reflection light from a document to an image reading means 11 through first and second carriages 3 and 4 moving at a predetermined speed along a document image on a platen. The first carriage 3 supports a mirror at three points such that a one-side end of a mirror is supported by first and second mirror supporting parts 32a and 32b and an other-side end is supported by a third mirror supporting part 32c. Both-side ends of the first carriage are then supported to be slidable on a pair of right and left rail members 5a and 5b through slide members 33a-33d disposed at two positions on forward and backward sides, respectively, at four positions on right and left sides. At least one of the slide members 33c and 33d at two positions on the forward and backward sides disposed at a side of the third mirror supporting part supporting the first mirror at one point is supported by an adjustment screw or the like so as to adjust its position in height.
COPYRIGHT: (C)2010,JPO&INPITAbstract translation: 要解决的问题：提供一种图像读取装置，其中当沿着压板可移动地支撑在其上安装反射镜的支架上的滑架时，反射镜的光学调节变得容易。 解决方案：图像读取装置被配置为通过沿预定速度沿台板上的文档图像移动的第一和第二滑架3和4将来自文档的反射光引导到图像读取装置11。 第一托架3在三个点处支撑反射镜，使得反射镜的一侧端部被第一和第二反射镜支撑部分32a和32b支撑，另一侧由第三反射镜支撑部分32c支撑。 然后，第一滑架的两侧端部通过分别设置在右侧和右侧的四个位置上的两个位置处的滑动构件33a-33d支撑在一对左右导轨构件5a和5b上， 左边。 在一个位置处配置在支撑第一反射镜的第三反射镜支撑部分的一侧的前侧和后侧的两个位置处的滑动构件33c和33d中的至少一个由调节螺钉等支撑， 高度位置 版权所有（C）2010，JPO＆INPIT
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公开(公告)号：JP2009103944A
公开(公告)日：2009-05-14
申请号：JP2007275935
申请日：2007-10-24
Applicant: Brother Ind Ltd , ブラザー工業株式会社
Inventor： KATO RYOTA
CPC classification number: H04N1/00127 , H04N1/0283 , H04N1/113 , H04N2201/02418 , H04N2201/02431 , H04N2201/02433 , H04N2201/02435 , H04N2201/02497
Abstract: PROBLEM TO BE SOLVED: To provide an optical scanner in which stray light generated at an incident optical system is sufficiently suppressed from reaching a photoreceptor.
SOLUTION: The optical scanner 5, in which photoreceptor drums 3A to 3D are scanned with laser light to form electrostatic latent images, comprises: a laser light source 31 which emits laser light; an incident optical system 30 including cylindrical lenses 33 which condense the laser light emitted from the laser light source 31; a polygon mirror 41 which reflects, deflects and scans the laser light passed through the cylindrical lenses 33 in a main scanning direction; and a scanning optical system 40 including scanning lenses 42 which image the laser light deflected and scanned with the polygon mirror 41 onto the photoreceptor drums 3A to 3D, wherein the incident optical system 30 and the scanning optical system 40 are separated by a light shielding wall 21.
COPYRIGHT: (C)2009,JPO&INPITAbstract translation: 解决的问题：提供一种光学扫描器，其中在入射光学系统处产生的杂散光被充分地抑制到达感光体。 解决方案：其中感光鼓3A至3D用激光扫描以形成静电潜像的光学扫描器5包括：发射激光的激光光源31; 入射光学系统30，其包括使从激光光源31发射的激光冷凝的柱面透镜33; 在主扫描方向上反射，偏转并扫描穿过柱面透镜33的激光的多面镜41; 以及包括扫描透镜42的扫描光学系统40，其将由多面镜41偏转和扫描的激光成像到感光鼓3A至3D上，其中入射光学系统30和扫描光学系统40被遮光壁分隔开 21.版权所有（C）2009，JPO＆INPIT
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公开(公告)号：JP2006025303A
公开(公告)日：2006-01-26
申请号：JP2004202998
申请日：2004-07-09
Applicant: Ricoh Co Ltd , 株式会社リコー
Inventor： KAWACHI MASAFUMI , SAKURAI YASUO
CPC classification number: H04N1/02865 , H04N1/028 , H04N1/02815 , H04N1/02885 , H04N2201/02406 , H04N2201/02435 , H04N2201/02441 , H04N2201/02449 , H04N2201/04796
Abstract: PROBLEM TO BE SOLVED: To provide a technology capable of uniformizing illumination of an original by light guided by a light guide member after being emitted from point light sources along the main scanning direction of the original by uniformly opposing a plurality of the point light sources to the light guide member. SOLUTION: An image reading apparatus includes: a plurality of the point light sources 32 arranged linearly for emitting the light for illuminating the original located on contact glass from under the contact glass; the light guide member 31 located in front of the emission direction of the light emitted from the point light sources 32 and guiding the light emitted from the point light sources 32 in a way of illuminating the original on the contact glass along the main scanning direction; and a photoelectric conversion element for receiving a reflected light in the original, and the light guide member 31 is provided with a positioning means 37 that positions the light guide member 31 so that the distance between the light guide member 31 and each of the point light sources 32 arranged in a line is constant and the arrangement direction of the point light sources 32 is coincident with the length direction of the light guide member 31. COPYRIGHT: (C)2006,JPO&NCIPI
Abstract translation: 要解决的问题：提供一种能够通过由导光构件引导的光沿着原稿的主扫描方向从点光源发射之后均匀地对准多个点而使原稿的照明均匀化的技术 光源到光导构件。 解决方案：图像读取装置包括：多个点状光源32线性布置，用于从接触玻璃下方发射位于接触玻璃上的原稿的光; 导光构件31位于从点光源32发射的光的发射方向的前方，并以沿主扫描方向照射原稿的方式引导从点光源32发射的光; 以及用于接收原稿中的反射光的光电转换元件，并且导光构件31设置有定位装置37，定位装置37将导光构件31定位成使得导光构件31与每个点光源之间的距离 排列成一行的光源32是恒定的，点光源32的排列方向与导光部件31的长度方向重合。（C）2006，JPO＆NCIPI
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