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11.发明专利
公开(公告)号：JP2012160866A
公开(公告)日：2012-08-23
申请号：JP2011018484
申请日：2011-01-31
Applicant: Nisca Corp , ニスカ株式会社
Inventor： AMAMIYA FUMIMASA , OCHIAI TORU , SAKAMOTO FUMIHIDE , OZAWA JUNYA , TANAKA SATOSHI , KAGAMI YUICHI
Abstract: PROBLEM TO BE SOLVED: To provide an illuminating device without variation in light intensity distribution in which shading, especially inhomogeneity in an image read by an image read apparatus is not likely to occur by appropriately positioning a light source which faces a light guide body.SOLUTION: An illuminating device of the present invention comprises: a light guide body including an end surface from which light enters, a diffusion reflection surface diffusely reflecting light entered from the end surface and a light emitting surface emitting the light diffusely reflected by the diffusion reflection surface toward an irradiation surface; and a light source facing at least one end surface of the light guide body. The light emitting surface of the light guide body is formed of a peripheral surface. The diffusion reflection surface is arranged at a position forming an optical axis normal which passes the center of a circle forming the peripheral surface and is emitted from the light emitting surface. The light source mounted on a circuit board is arranged at a position on the optical axis normal of the diffusion reflection surface and deviated to the light emitting surface side with respect to the center of the circle.
Abstract translation: 要解决的问题：提供一种不会发生光强分布变化的照明装置，其中通过适当地定位面向光导的光源，不可能发生由图像读取装置读取的图像中的阴影，特别是不均匀性 身体。 解决方案：本发明的照明装置包括：导光体，其包括光入射的端面，漫反射表面漫反射从端表面入射的光;发光表面发射由光扩散反射的光 扩散反射面朝向照射面; 以及面向光导体的至少一个端面的光源。 导光体的发光面由周面形成。 扩散反射面配置在通过构成圆周面的圆的中心的光轴法线的位置，并从发光面射出。 安装在电路板上的光源配置在扩散反射面的光轴法线的位置，并相对于圆的中心偏离到发光面侧。 版权所有（C）2012，JPO＆INPIT
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12.发明专利
公开(公告)号：JP2012160865A
公开(公告)日：2012-08-23
申请号：JP2011018483
申请日：2011-01-31
Applicant: Nisca Corp , ニスカ株式会社
Inventor： AMAMIYA FUMIMASA , OCHIAI TORU , SAKAMOTO FUMIHIDE , OZAWA JUNYA , TANAKA SATOSHI , KAGAMI YUICHI
Abstract: PROBLEM TO BE SOLVED: To provide an illuminating device without variation in light intensity distribution in which shading, especially inhomogeneity in an image read by an image read apparatus is not likely to occur by keeping a gap between a light source and an end surface of a light guide body constant.SOLUTION: An illuminating device of the present invention comprises: a light guide body including an end surface from which light enters, a diffusion reflection surface diffusely reflecting light entered from the end surface and a light emitting surface emitting the light diffusely reflected by the diffusion reflection surface toward an irradiation surface; a light source facing at least one end surface of the light guide body; and a reflector having a reflecting surface reflecting light from the light source to the one end surface of the light guide body. A flange part abutting the reflector is formed on the one end surface of the light guide body. The light source is attached to a circuit board mounting the light source. The reflector is sandwiched by the flange part of the light guide body and the circuit board to keep the light source and the light guide body located at a predetermined distance.
Abstract translation: 要解决的问题：提供一种照明装置，其光强度分布不变，其中通过保持光源和端部之间的间隙不可能发生由图像读取装置读取的图像中的阴影，特别是不均匀性 导光体表面不变。 解决方案：本发明的照明装置包括：导光体，其包括光入射的端面，漫反射表面漫反射从端表面入射的光;发光表面发射由光扩散反射的光 扩散反射面朝向照射面; 面向所述导光体的至少一个端面的光源; 以及反射器，其具有将来自光源的光反射到导光体的一个端面的反射面。 在导光体的一个端面形成有与反射体抵接的凸缘部。 光源连接到安装光源的电路板上。 反射器被导光体的凸缘部和电路板夹持，以将光源和导光体保持在预定距离。 版权所有（C）2012，JPO＆INPIT
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公开(公告)号：JP2011234245A
公开(公告)日：2011-11-17
申请号：JP2010104376
申请日：2010-04-28
Applicant: Nisca Corp , ニスカ株式会社
Inventor： TANAKA SATOSHI , MINAGAWA YOSHIHIKO , INOUE HIDEAKI , OZAWA JUNYA , HANAGATA YOSHIHIRO , ISHIMARU HODAKA
Abstract: PROBLEM TO BE SOLVED: To provide an image reading apparatus that can read a document images with different glossiness at a reproducibility suited to use.SOLUTION: An image reading apparatus has data processing means for generating image data based on a specular reflection output value and a diffusion reflection output value obtained from photoelectric conversion means by irradiating light from a specular reflection light source and a diffusion reflection light source on a document image. The data processing means is used to obtain gloss pixel data by comparing a judgement threshold value with a correction output value that is corrected by the specular reflection output value based on a specular reflection correction value for shading-correcting the specular reflection output value, a diffusion correction value for shading-correcting the diffusion reflection output value, and the judgement threshold value for judging whether the specular reflection output value is a gloss pixel or not, thereby obtaining non-gloss pixel data from the correction output value corrected by the diffusion correction value.
Abstract translation: 要解决的问题：提供一种能够以适合使用的再现性读取具有不同光泽度的文档图像的图像读取装置。 解决方案：图像读取装置具有数据处理装置，用于通过从镜面反射光源和漫反射光源照射光，基于从光电转换装置获得的镜面反射输出值和扩散反射输出值来产生图像数据 在文件图像上。 数据处理装置用于通过将判定阈值与基于用于阴影校正镜面反射输出值的镜面反射校正值，镜面反射输出值校正的校正输出值进行比较来获得光泽像素数据，扩散 用于阴影校正扩散反射输出值的校正值以及用于判断镜面反射输出值是否为光泽像素的判定阈值，从而通过由扩散校正值校正的校正输出值获得非光泽像素数据 。 版权所有（C）2012，JPO＆INPIT
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公开(公告)号：JP2014090277A
公开(公告)日：2014-05-15
申请号：JP2012238506
申请日：2012-10-30
Applicant: Nisca Corp , ニスカ株式会社
Inventor： ENOMOTO SHINNOSUKE , OZAWA JUNYA
IPC: H04N1/04
CPC classification number: H04N1/10 , H04N1/00551 , H04N1/00557 , H04N1/00909 , H04N1/195
Abstract: PROBLEM TO BE SOLVED: To provide a manuscript reader which allows for shading correction while making intrusion of a foreign matter difficult.SOLUTION: A manuscript reader has a reading unit, a glass unit, and a closing member. The reading unit has a light source and reads a manuscript. The glass unit has a glass plate transmitting the light emitted from the light source, and a reference member becoming the reference of shading correction of a read optical system, and slides between a first position spaced apart from the reading unit in such a state that the light emitted from the light source transmits the glass plate, and a second position in such a state that the light emitted from the light source reaches the reference member. The closing member is located on the downstream side of the glass plate and the reference member of the glass unit in the conveyance direction of manuscript, and fills the space between the reading unit and the glass unit at least partially.
Abstract translation: 要解决的问题：提供一种允许阴影校正同时使异物入侵困难的原稿阅读器。解决方案：原稿阅读器具有读取单元，玻璃单元和关闭构件。 阅读单元有一个光源，并读取稿件。 玻璃单元具有透射从光源发射的光的玻璃板和参考构件成为读取光学系统的阴影校正的基准，并且在与读取单元间隔开的第一位置之间滑动， 从光源发射的光透射玻璃板，并且以使从光源发射的光到达基准构件的状态发射第二位置。 关闭构件位于玻璃板的下游侧和玻璃单元的原稿的输送方向上，并且至少部分地填充读取单元和玻璃单元之间的空间。
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公开(公告)号：JP2013051555A
公开(公告)日：2013-03-14
申请号：JP2011188441
申请日：2011-08-31
Applicant: Nisca Corp , ニスカ株式会社
Inventor： OCHIAI TORU , AMAMIYA FUMIMASA , OZAWA JUNYA , KAGAMI YUICHI , OGINO KOJI
Abstract: PROBLEM TO BE SOLVED: To provide an image reading apparatus exhibiting excellent coloring in which a light group is less likely to occur in an image read.SOLUTION: The image reading apparatus comprises a luminous body, a pair of light guides that receive the light from the luminous body and irradiate a reading surface with light while facing each other with a read line interposed therebetween as a linear light source, and a line sensor which receives the reflection light from the reading surface and processes the reflection light as the image data. Inter-light guide antireflection means attenuates or prevents the light irradiated from one of the pair of light guides, reflected regularly at least on the reading surface and advancing toward the other light guide from being reflected again on the other light guide and returning back to one light guide via the reading surface.
Abstract translation: 要解决的问题：提供一种在图像读取中不太可能发生光组的显示出优异着色的图像读取装置。 解决方案：图像读取装置包括：发光体，一对光导体，其接收来自发光体的光并且以读取线彼此面对的方式照射具有光的读取表面作为线性光源; 以及线传感器，其接收来自读取表面的反射光并处理反射光作为图像数据。 光导向反射装置衰减或防止从一对光导中的一个照射的光，至少在读取表面上规则地反射并且朝着另一个光导导向另一个导光体反射，再次在另一个光导上反射并返回到一个 光导通过读表面。 版权所有（C）2013，JPO＆INPIT
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Patent Agency Ranking
公开(公告)号：JP2013005356A
公开(公告)日：2013-01-07
申请号：JP2011136810
申请日：2011-06-20
Applicant: Nisca Corp , ニスカ株式会社
Inventor： OZAWA JUNYA , AMAMIYA FUMIMASA
Abstract: PROBLEM TO BE SOLVED: To provide a carriage unit which can prevent occurrence of diffused reflection and perform reading processing without being influenced by ambient light, by comprising light shielding means which shields at least a corner of a reflection member on a light source side from a reflection light emitted by a reading target.SOLUTION: A carriage unit comprises: a light guide irradiating a reading target by guiding light emitted by a light source; a light guide holder holding the light guide; and a plurality of reflection members forming a series of reading light paths by reflection light from the reading target. The carriage unit comprises shielding means for shielding a corner of one reflection member among a plurality of reflection members that exists in a main scanning direction within the shortest distance from a light irradiation surface, from the reflection light emitted from the reading target. The shielding means is installed between the reading target and a reflection surface of the reflection member. The shielding means comprises a concave part formed at a bottom of the light guide holder, and in the concave part, at least a corner of the reflection member on a reflection surface side is received.
Abstract translation: 要解决的问题：提供一种能够防止漫反射发生并且不受环境光影响而进行读取处理的滑架单元，包括遮光装置，其至少屏蔽光源上的反射构件的角部 从由读取目标发射的反射光。 解决方案：滑架单元包括：导光体，通过引导由光源发射的光来照射读取目标; 保持光导的光导支架; 以及通过来自读取对象物的反射光形成一系列读取光路的多个反射部件。 滑架单元包括屏蔽装置，用于屏蔽来自光照射表面的最短距离内存在于主扫描方向上的多个反射构件中的一个反射构件的角部与从读取对象发射的反射光。 屏蔽装置安装在读取对象和反射构件的反射面之间。 屏蔽装置包括形成在导光支架的底部的凹部，并且在凹部中，反射面侧的反射构件的至少角部被容纳。 版权所有（C）2013，JPO＆INPIT
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公开(公告)号：JP2013004429A
公开(公告)日：2013-01-07
申请号：JP2011136809
申请日：2011-06-20
Applicant: Nisca Corp , ニスカ株式会社
Inventor： AMAMIYA FUMIMASA , OZAWA JUNYA
IPC: F21V17/00 , F21Y101/02 , G03B27/54 , H04N1/028 , H04N1/04
Abstract: PROBLEM TO BE SOLVED: To provide a light source unit with a holder support member which can position and arrange a light guide holder in which a rod-shape light guide is housed and can support the light guide by correcting it so that the light guide may maintain linearity with the light guide holder.SOLUTION: The light source unit is provided with a light source, a light guide which receives and guides the light emitted from the light source at the end part and is installed in a main scanning direction, a light guide holder in which the light guide is housed, and a holder support member for supporting the light guide holder. The holder support member is formed of a rigid material, and the holder support member has a first reference region in which the light guide holder is installed in the holder support member so as to correct the posture in contact with at least one side face in longitudinal direction of the light guide holder and is extended in the main scanning direction, and a second reference region in which the light source is installed.
Abstract translation: 要解决的问题：为了提供具有保持器支撑构件的光源单元，该保持器支撑构件可以定位和布置容纳杆形光导的光导保持器，并且可以通过校正支撑光导，从而使得 光导可以保持与导光支架的线性。 解决方案：光源单元设置有光源，导光体，其在端部处接收并引导从光源发射的光并将其安装在主扫描方向上，光导支架 容纳光导件，以及用于支撑导光支架的保持器支撑构件。 保持器支撑构件由刚性材料形成，并且保持器支撑构件具有第一参考区域，其中光导保持器安装在保持器支撑构件中，以便将与至少一个侧面接触的姿势与纵向 光导支架的方向并且在主扫描方向上延伸，以及安装有光源的第二参考区域。 版权所有（C）2013，JPO＆INPIT
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公开(公告)号：JP2012160868A
公开(公告)日：2012-08-23
申请号：JP2011018487
申请日：2011-01-31
Applicant: Nisca Corp , ニスカ株式会社
Inventor： AMAMIYA FUMIMASA , OCHIAI TORU , SAKAMOTO FUMIHIDE , OZAWA JUNYA , TANAKA SATOSHI , KAGAMI YUICHI
IPC: H04N1/04 , F21V8/00 , F21V23/00 , F21Y101/02 , G03B27/54
Abstract: PROBLEM TO BE SOLVED: To provide a lighting system in which variation of light quantity distribution of the lighting system does not exist and a lighting spot, especially, a light quantity spot is difficult to occur in an image which is read in an image reader by deciding a forming position of a projection locked in a frame body of a light guide body.SOLUTION: The lighting system includes a light source and the light guide body. The light source is arranged to confront with at least on one end face of the light guide body. The light guide body includes an end face, a diffusion reflection face and a light emission face. The light emission face is formed of a circumference face. The diffusion reflection face is formed in a position where an optical axis normal which passes through a center of a circle forming a circumference face and is emitted from the light emission face. The system includes the frame body storing the light guide body. The light guide body forms the projection locked to the frame body on a side face following the optical axis normal which the diffusion reflection face forms and along a lighting line direction. One end being the tip of a light source side of the projection is formed between a light source side end face of the diffusion reflection face and a light source side end face in a lighting line of a lighting region.
Abstract translation: 要解决的问题：为了提供一种不存在照明系统的光量分布的变化的照明系统，并且在读取的图像中难以发生照明点，特别是光量点 通过确定锁定在导光体的框体中的突起的形成位置来确定图像读取器。 解决方案：照明系统包括光源和导光体。 光源设置成与光导体的至少一个端面对置。 导光体包括端面，扩散反射面和发光面。 发光面由圆周面形成。 扩散反射面形成在通过形成圆周面并从发光面发射的圆的中心的光轴法线的位置。 该系统包括存储导光体的框体。 导光体在与扩散反射面形成的光轴法线相反的沿着照明线方向的侧面上形成锁定在框体上的突起。 在扩散反射面的光源侧端面和照明区域的照明线路中的光源侧端面之间形成有突起的光源侧的一端。 版权所有（C）2012，JPO＆INPIT
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公开(公告)号：JP2004010299A
公开(公告)日：2004-01-15
申请号：JP2002168272
申请日：2002-06-10
Applicant: NISCA CORP
Inventor： ISHIHARA MITSUHIRO , OZAWA JUNYA
Abstract: PROBLEM TO BE SOLVED: To provide an original carrier and an image reader comprising it, securely performing skew correction of originals with different length, orthogonal to the direction of carrying originals. SOLUTION: This original carrier comprises a paper feed tray on which originals are placed, a paper feed means for feeding the originals on the paper feed tray to a contact glass, and a plurality of press contact members arranged on a carrying passage on the contact glass so as to freely move forward and backward, performing skew correction by press-contacting tip of the original carried by the carrying means and having a press contact surface for stopping the tip. The plurality of press contact members have first, second and third press contact members, and a position of the press contact surface of the third press contact surface arranged between the first and second press contact members and that of the press contact surfaces of the first and second press contact members are different in the carrying direction of the originals. COPYRIGHT: (C)2004,JPO
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公开(公告)号：JP2013058959A
公开(公告)日：2013-03-28
申请号：JP2011196800
申请日：2011-09-09
Applicant: Nisca Corp , ニスカ株式会社
Inventor： ENOMOTO SHINNOSUKE , OZAWA JUNYA
Abstract: PROBLEM TO BE SOLVED: To provide a document reader in which, even when a foreign matter enters inside a reading unit to generate a defective image such as a black stripe, the maintenance of the reading unit is easy and which is easy to handle.SOLUTION: A reading mechanism for reading a document comprises: a first unit 62 comprising a contact glass 20; a second unit 61 comprising a light source; plural mirrors 24, 25, 26, and 27 and a lens 28; and a third unit 60 comprising a photoelectric converter. The first, second, and third units are interconnected to form the reading unit.
Abstract translation: 要解决的问题：提供一种文件读取器，其中即使当异物进入读取单元内部以产生诸如黑色条纹的缺陷图像时，读取单元的维护容易，并且容易 处理。 解决方案：用于读取文件的读取机构包括：包括接触玻璃20的第一单元62; 包括光源的第二单元61; 多个反射镜24,25,26和27以及透镜28; 以及包括光电转换器的第三单元60。 第一，第二和第三单元互连以形成阅读单元。 版权所有（C）2013，JPO＆INPIT
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