公开(公告)号：JP4751922B2

公开(公告)日：2011-08-17

申请号：JP2008242712

申请日：2008-09-22

Applicant: 株式会社沖データ

Inventor： 克之 伊藤

IPC: G02B3/00 ,  B41J2/44 ,  B41J2/447 ,  B41J2/45 ,  B41J2/455 ,  G02B13/26 ,  G02B27/18 ,  H04N1/036

CPC classification number: G02B3/005 ,  B41J2/451 ,  G02B3/0075 ,  H04N2201/02458 ,  H04N2201/02485 ,  H04N2201/02495

公开(公告)号：JP2011082767A

公开(公告)日：2011-04-21

申请号：JP2009232863

申请日：2009-10-06

Applicant: Canon Inc ,  キヤノン株式会社

Inventor： MORIKAWA DAISUKE

IPC: H04N1/04 ,  G03B27/54 ,  H04N1/028

CPC classification number: H04N1/486 ,  H04N1/02865 ,  H04N1/0303 ,  H04N1/0305 ,  H04N1/1017 ,  H04N1/193 ,  H04N2201/0081 ,  H04N2201/0246 ,  H04N2201/02474 ,  H04N2201/02485

Abstract: PROBLEM TO BE SOLVED: To provide an image reading apparatus which, when the reading speed of color sensors is different from that of a monochrome line sensor in a four-line sensor including three color line sensors and one monochrome line sensor, can reduce unevenness in main-scanning-direction reading luminance and degradation in image quality caused by a sensitivity difference of spectral characteristic between the color line sensor and monochrome line sensor due to the presence/absence of color filters. SOLUTION: The image reading apparatus includes: a light source 2106 which includes a plurality of LEDs, and which irradiates the document with light; an LED current adjusting unit 2101 which sets the amount of current to be supplied to each LED so that the current amounts change from the end portion to the central portion in the main scanning direction for document reading; a duty adjusting unit 2103 which sets different pulse width from the end portion to the central portion in the main scanning direction in order to perform PWM of the current to be supplied to each LED; and a drive circuit 2105 which drives the LEDs by the current amounts set by the LED current adjusting unit 2101 and the duty adjusting unit 2103. COPYRIGHT: (C)2011,JPO&INPIT

Abstract translation: 要解决的问题：提供一种图像读取装置，当在包括三个彩色线传感器和一个单色线传感器的四线传感器中，当彩色传感器的读取速度与单色线传感器的读取速度不同时，可以 减少主扫描方向读取亮度的不均匀性和由于有无滤色器而导致的彩色线传感器和单色线传感器之间的光谱特性的灵敏度差引起的图像质量的劣化。 解决方案：图像读取装置包括：包含多个LED并且用光照射文件的光源2106; LED电流调节单元2101，其设置要供应到每个LED的电流量，使得电流量从文档读取的主扫描方向上的端部到中心部分变化; 负责调整单元2103，其在主扫描方向上从端部到中心部分设置不同的脉冲宽度，以便执行要供给到每个LED的电流的PWM; 以及驱动电路2105，其通过LED电流调节单元2101和占空比调整单元2103设定的电流量驱动LED。（C）2011，JPO＆INPIT

公开(公告)号：JP2010002731A

公开(公告)日：2010-01-07

申请号：JP2008162034

申请日：2008-06-20

Applicant: Ricoh Co Ltd ,  株式会社リコー

Inventor： FUJIOKA TETSUYA ,  KAWAMURA KAZUSHIGE ,  YODA YASUNOBU ,  SAKURAI YASUO

IPC: G03B27/54 ,  H04N1/04

CPC classification number: H04N1/0318 ,  H04N1/0284 ,  H04N1/02885 ,  H04N1/0305 ,  H04N1/1017 ,  H04N1/193 ,  H04N2201/0081 ,  H04N2201/02462 ,  H04N2201/02468 ,  H04N2201/02474 ,  H04N2201/02483 ,  H04N2201/02485 ,  H04N2201/03112 ,  H04N2201/03137 ,  H04N2201/03141 ,  H04N2201/03145 ,  H04N2201/03166

Abstract: PROBLEM TO BE SOLVED: To provide an image reader capable of preventing flare light from getting into a reading means, making illuminance distribution constant with easy operation so as to align a peak light quantity position of the illuminance distribution with center of a reading area, and reading a clear image; and to provide an image forming apparatus equipped with the same.
SOLUTION: A shielding member 42 isolating an original illuminating part 56 and an image reading part 54 is provided in a housing 41 so as to demarcate a second space 58 in which the image reading part 54 is housed, and reflection parts 48 and 49 for irradiating an irradiation area W1 of an original P with light from an LED unit 44 are provided on an upper surface of the shielding member 42, then a long-length slit 59 extending in a main scanning direction so as to guide the light reflected from the original P from a first space 57 to the second space 58 is provided thereon. Projections 67 fit in a groove 66 of the housing 41 and performing positioning of the original illuminating part 56 and the image reading part 54 are provided at both ends in a main scanning direction of the shielding member 42.
COPYRIGHT: (C)2010,JPO&INPIT

Abstract translation: 要解决的问题：为了提供能够防止闪光进入读取装置的图像读取器，使得照度分布恒定，容易操作，以将照度分布的峰值光量位置与读数的中心对齐 区域，并阅读清晰的图像; 并提供配备有该图像形成装置的图像形成装置。 解决方案：隔离原始照明部分56和图像读取部分54的屏蔽构件42设置在壳体41中，以划定其中容纳图像读取部分54的第二空间58和反射部分48和 用于在来自LED单元44的光中照射原稿P的照射区域W1的光源49设置在屏蔽构件42的上表面上，然后设置在主扫描方向上延伸的长度狭缝59，以引导反射的光 从原来的P从第一空间57到第二空间58。 突出部67安装在壳体41的槽66中，并且在屏蔽构件42的主扫描方向的两端设置原始照明部56和图像读取部54的定位。版权所有（C） 2010年，JPO＆INPIT

公开(公告)号：JP2008098367A

公开(公告)日：2008-04-24

申请号：JP2006277900

申请日：2006-10-11

Applicant: Hamamatsu Photonics Kk ,  浜松ホトニクス株式会社

Inventor： KOBAYASHI HIRONARI ,  MURAMATSU MASAHARU

IPC: H01L27/14 ,  G03B17/02 ,  H04N1/028 ,  H04N5/335 ,  H05K3/46

CPC classification number: H04N5/2257 ,  G03B17/02 ,  H01L27/14618 ,  H01L27/14625 ,  H01L27/14636 ,  H01L27/148 ,  H01L31/02325 ,  H01L2224/48091 ,  H01L2224/48227 ,  H01L2224/49109 ,  H04N1/024 ,  H04N5/2251 ,  H04N2201/02456 ,  H04N2201/02458 ,  H04N2201/02466 ,  H04N2201/02485 ,  H01L2924/00014

Abstract: PROBLEM TO BE SOLVED: To provide a solid state imaging device in which dimensional precision of clearance between a solid state image sensor and an optical element can be enhanced without relying upon molding precision of a package. SOLUTION: The solid state imaging device comprises a multilayer wiring board 2 having an opening 21, a spacer 3 coated with a conductive film 32 and fixed to the multilayer wiring board 2 under such a state as the conductive film 32 is coming into surface contact with a reference potential electrode exposed in the opening 21 of the multilayer wiring board 2, a solid state image sensor 4 which is fixed to the spacer 3 in the state coming into surface contact with the conductive film 32 of the spacer 3 and arranged in the opening 21, and an optical element 5 fixed to a position opposing the solid state image sensor 4 through the spacer 3 and passing light through the opening. COPYRIGHT: (C)2008,JPO&INPIT

Abstract translation: 要解决的问题：提供一种可以在不依赖于封装的成型精度的情况下提高固态图像传感器和光学元件之间的间隙的尺寸精度的固态成像装置。 解决方案：固态成像装置包括具有开口21的多层布线板2，涂覆有导电膜32并在导电膜32进入的状态下固定到多层布线板2的间隔物3 与暴露在多层布线板2的开口21中的参考电位电极表面接触，固态图像传感器4，其在与间隔件3的导电膜32表面接触的状态下固定到间隔件3，并布置 在开口21中，以及光学元件5，其通过间隔件3固定到与固态图像传感器4相对的位置，并使光通过开口。 版权所有（C）2008，JPO＆INPIT

公开(公告)号：US09264572B2

公开(公告)日：2016-02-16

申请号：US14350268

申请日：2012-10-24

Applicant: Tadashi Minobe ,  Takahito Nakanishi ,  Seiichi Matsumura ,  Tetsuo Funakura ,  Hiroyuki Kawano ,  Tatsuki Okamoto ,  Taku Matsuzawa ,  Yasunori Matsumoto

Inventor： Tadashi Minobe ,  Takahito Nakanishi ,  Seiichi Matsumura ,  Tetsuo Funakura ,  Hiroyuki Kawano ,  Tatsuki Okamoto ,  Taku Matsuzawa ,  Yasunori Matsumoto

IPC: H04N1/193 ,  H04N1/19 ,  H04N1/03

CPC classification number: H04N1/19 ,  H04N1/0303 ,  H04N1/0305 ,  H04N2201/0081 ,  H04N2201/02456 ,  H04N2201/0246 ,  H04N2201/02483 ,  H04N2201/02485 ,  H04N2201/02493

Abstract: An image reading device including: concave first lens mirrors that are arranged in an array shape along a main scanning direction and that collimate scattered light reflected by an irradiated object and reflect the scattered light as a substantially parallel bundle of rays that are angled in a sub-scanning direction; planar mirrors that reflect light from the first lens mirrors; apertures that are arranged in an array shape and that allow light from the planar mirrors to pass through by way of openings that are arranged in an array shape and that are light-shielded therearound for selectively allowing light to pass through; concave second lens mirrors that are arranged in an array shape into which light from the apertures is incident and that reflect the light from the apertures as converged light; and light receivers that have light receiving areas on which light from the second lens mirrors is incident and that form images that correspond to light from the openings.

Abstract translation: 一种图像读取装置，包括：沿着主扫描方向排列成阵列形状的凹形第一透镜镜，并准直由被照射物体反射的散射光，并将散射光反射成基本平行的光束束， 扫描方向 反射来自第一透镜的光的平面镜; 排列成阵列形状并且允许来自平面镜的光通过排列成阵列形状的开口并且围绕其被光屏蔽以选择性地允许光通过的孔; 凹入的第二透镜镜被布置成阵列形状，来自孔的光入射到其中，并且将来自孔的光作为会聚光反射; 以及光接收器，其具有来自第二透镜镜的光入射的光接收区域，并形成与来自开口的光对应的图像。

公开(公告)号：US20160037011A1

公开(公告)日：2016-02-04

申请号：US14777358

申请日：2014-03-03

Applicant: MITSUBISHI ELECTRIC CORPORATION

Inventor： Akiko FUJIUCHI ,  koichiro OKAMURA ,  Atsushi ITO ,  Tatsuya KUNIEDA ,  Akira OTA

IPC: H04N1/031 ,  H04N1/024

CPC classification number: H04N1/0315 ,  H04N1/02481 ,  H04N1/0249 ,  H04N2201/02456 ,  H04N2201/02458 ,  H04N2201/02462 ,  H04N2201/02468 ,  H04N2201/02485

Abstract: An image sensor (100) comprises a lens (4), a sensor (6) and a first casing (1). The lens (4) is configured to focus light irradiated toward an object to be read (30) from a direction tilted relative to the X-Z plane, and reflected by the object to be read (30). The sensor (6) is configured to receive the light focused by the lens (4). The first casing (1) is configured to contain or retain the lens (4) and the sensor (6) and to have, in a surface (1j) extending along a main scanning direction, a tilted portion having a length in a sub-scanning direction that decreases toward the object to be read (30).

Abstract translation: 图像传感器（100）包括透镜（4），传感器（6）和第一壳体（1）。 透镜（4）被构造成将从被读取物（30）照射的光从相对于X-Z平面倾斜的方向聚焦并被被读取物（30）反射。 传感器（6）被配置为接收由透镜（4）聚焦的光。 第一壳体（1）构造成容纳或保持透镜（4）和传感器（6），并且在沿着主扫描方向延伸的表面（1j）中具有在子扫描方向上具有长度的倾斜部分， 扫描方向朝向要读取的对象（30）减小。

公开(公告)号：US08515313B2

公开(公告)日：2013-08-20

申请号：US12980404

申请日：2010-12-29

Applicant: Yasuhiro Suto ,  Tomohiko Okada ,  Mitsuharu Yoshimoto ,  Shohichi Fukutome ,  Kenji Nakanishi ,  Hisashi Yamanaka

Inventor： Yasuhiro Suto ,  Tomohiko Okada ,  Mitsuharu Yoshimoto ,  Shohichi Fukutome ,  Kenji Nakanishi ,  Hisashi Yamanaka

IPC: G03G15/04

CPC classification number: G03G15/0409 ,  H04N1/02815 ,  H04N1/0285 ,  H04N1/02855 ,  H04N1/02865 ,  H04N1/1013 ,  H04N1/193 ,  H04N2201/0081 ,  H04N2201/02462 ,  H04N2201/02468 ,  H04N2201/02485

Abstract: An illuminating device includes a light-emitting element that is mounted on a base material and a light-guiding member that guides light from the light-emitting element to an irradiation target, and illuminates the irradiation target with the light transmitted through the light-guiding member. The light-guiding member includes an extending portion that extends from the surface of the base material on which the light-emitting element is mounted to a left side end portion of the base material so as to cover the left side end portion. An image-reading includes this illuminating device. Image-forming apparatus includes this image-reading apparatus.

Abstract translation: 照明装置包括安装在基材上的发光元件和将来自发光元件的光引导到照射对象物的导光部件，并且通过导光体透射的光照射照射对象物 会员。 导光部件包括延伸部，其从安装有发光元件的基材的表面延伸到基材的左侧端部，以覆盖左侧端部。 图像读取包括该照明装置。 图像形成装置包括该图像读取装置。

公开(公告)号：US08422093B2

公开(公告)日：2013-04-16

申请号：US12659605

申请日：2010-03-15

Applicant: Masatoshi Ishida

Inventor： Masatoshi Ishida

IPC: H04N1/04

CPC classification number: G02B6/0001 ,  H04N1/02815 ,  H04N1/0285 ,  H04N1/02855 ,  H04N1/02865 ,  H04N1/02885 ,  H04N1/1013 ,  H04N1/193 ,  H04N2201/0081 ,  H04N2201/0241 ,  H04N2201/02435 ,  H04N2201/02441 ,  H04N2201/02445 ,  H04N2201/02462 ,  H04N2201/02468 ,  H04N2201/02485

Abstract: A light projection unit includes a substrate, a plurality of light emitting elements arrayed on the substrate in a main scanning direction and including light emitting surfaces, a light guide facing the light emitting surfaces to direct light projected from the light emitting elements onto an illumination target and including a first positioning portion, and a holder including a second positioning portion that engages the first positioning portion of the light guide to position the light guide on the holder. The first positioning portion of the light guide is positioned between centers of light emission of adjacent light emitting elements in the main scanning direction of the substrate when the first positioning portion engages the second positioning portion of the holder.

Abstract translation: 光投射单元包括基板，在主扫描方向上排列在基板上并包括发光面的多个发光元件，面向发光面的光导，将从发光元件射出的光引导到照明对象 并且包括第一定位部分和包括接合光导的第一定位部分的第二定位部分的保持器，以将光导定位在保持器上。 当第一定位部分接合保持器的第二定位部分时，光导的第一定位部分位于相邻发光元件的发光中心之间的基板的主扫描方向上。

公开(公告)号：US08400688B2

公开(公告)日：2013-03-19

申请号：US12980059

申请日：2010-12-28

Applicant: Eugene David Allen ,  Chengwu Cui ,  Joshua Tyler Strow

Inventor： Eugene David Allen ,  Chengwu Cui ,  Joshua Tyler Strow

IPC: H04N1/04

CPC classification number: H04N1/02481 ,  H04N1/0249 ,  H04N2201/02414 ,  H04N2201/02416 ,  H04N2201/02429 ,  H04N2201/02439 ,  H04N2201/02456 ,  H04N2201/02466 ,  H04N2201/02485 ,  Y10T29/49764

Abstract: A mounting bracket for an image sensing unit of a scanner according to one example embodiment includes a first portion and a second portion extending from the first portion. The first portion has a plurality of elongated holes therein each for receiving a fastener to mount the mounting bracket to a scan head frame. The second portion includes a cutout section therein for allowing an image sensor of the image sensing unit to receive an image from an optical unit of the scanner. A pivot hole in the first portion is centered about a width of the cutout section. When the mounting bracket is mounted on the scan head frame, the elongated holes in the first portion permit linear adjustment of the mounting bracket relative to the scan head frame and the pivot hole permits angular adjustment of the mounting bracket relative to the scan head frame.

Abstract translation: 根据一个示例实施例的用于扫描仪的图像感测单元的安装支架包括从第一部分延伸的第一部分和第二部分。 第一部分在其中具有多个细长的孔，用于接收紧固件以将安装支架安装到扫描头框架。 第二部分包括其中允许图像感测单元的图像传感器从扫描仪的光学单元接收图像的切口部分。 第一部分中的枢轴孔围绕切口部分的宽度居中。 当安装支架安装在扫描头框架上时，第一部分中的细长孔允许安装支架相对于扫描头框架线性调节，并且枢轴孔允许安装支架相对于扫描头框架进行角度调节。

公开(公告)号：US08400686B2

公开(公告)日：2013-03-19

申请号：US12716945

申请日：2010-03-03

Applicant: Susumu Mikajiri

Inventor： Susumu Mikajiri

IPC: H04N1/04

CPC classification number: B41J2/473 ,  G02B26/124 ,  G02B26/127 ,  G02F1/1313 ,  H04N1/032 ,  H04N1/1135 ,  H04N2201/0241 ,  H04N2201/02412 ,  H04N2201/02414 ,  H04N2201/02425 ,  H04N2201/02427 ,  H04N2201/02449 ,  H04N2201/02458 ,  H04N2201/0247 ,  H04N2201/02485

Abstract: An optical scanning device includes a light source, an optical system, and a housing. The light source projects a light beam. The housing includes a holder and encloses the optical system. The optical system includes a liquid crystal element held by the housing via the holder, to modulate a phase of the light beam projected from the light source against a scanned surface. The liquid crystal element includes a plurality of substantially transparent substrates, a liquid crystal layer, and a sealing member. One of the plurality of the transparent substrates has a size larger than any other transparent substrates and is positioned in the holder. The liquid crystal layer is sandwiched between the plurality of substantially transparent substrates. The sealing member seals the liquid crystal layer between the plurality of substantially transparent substrates.

Abstract translation: 光学扫描装置包括光源，光学系统和壳体。 光源投射光束。 壳体包括一个固定器并且包围光学系统。 光学系统包括通过保持器由壳体保持的液晶元件，以调制从光源投影的光束相对于扫描表面的相位。 液晶元件包括多个基本上透明的基板，液晶层和密封元件。 多个透明基板中的一个具有比任何其它透明基板大的尺寸并且位于保持器中。 液晶层夹在多个基本上透明的基板之间。 密封构件将液晶层密封在多个基本上透明的基板之间。