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公开(公告)号：US10681240B2
公开(公告)日：2020-06-09
申请号：US16055487
申请日：2018-08-06
Applicant: KYOCERA Document Solutions Inc.
Inventor： Takaaki Murase , Kei Ouchi
Abstract: According to the present disclosure, a reading module includes a light source, an optical system, and a sensor. The optical system images, as image light, reflection light of light with which the light source has irradiated a document. The sensor converts the thus imaged image light into an electric signal. The optical system includes a mirror array in which a plurality of reflection mirrors are connected together, and a plurality of aperture stop portions. The reflection mirrors each reflect light at an angle that is different, as seen in a main scanning direction, from an angle at which an adjacent one of the reflection mirrors reflects light. The plurality of aperture stop portions are disposed on one side of the mirror array with respect to an orthogonal direction which is orthogonal to the main scanning direction.
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公开(公告)号：US10237438B2
公开(公告)日：2019-03-19
申请号：US15825997
申请日：2017-11-29
Applicant: KYOCERA Document Solutions Inc.
Inventor： Takaaki Murase , Kei Ouchi
Abstract: A reading module has a light source, an optical system, and a sensor. The optical system images, as image light, reflected light of light radiated from the light source to a document. In the sensor, the image light imaged by the optical system is converted into an electrical signal. The optical system has a mirror array and an aperture stop portion. In the mirror array, reflection mirrors are coupled together in an array in the main scanning direction. The aperture stop portion has a first aperture adjusting the amount of the image light reflected from a reflection mirror and a second aperture shielding stray light entering the first aperture from an adjacent reflection mirror. Between the first and second apertures, a reflection reduction mechanism is provided that reduces reflection, toward the first aperture, of light other than the image light traveling from the second to first aperture.
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公开(公告)号：US09709728B2
公开(公告)日：2017-07-18
申请号：US14289247
申请日：2014-05-28
Applicant: KYOCERA Document Solutions Inc.
Inventor： Kei Ouchi
CPC classification number: G02B6/0096 , G02B6/001 , G02B6/0036 , G02B6/0061 , G03G15/04036 , H04N1/02815 , H04N1/02835 , H04N1/0285
Abstract: A light guide includes an incident surface, an exit surface and a reflective surface. The reflective surface is located opposite to the exit surface to extend in the main scanning direction and includes a plurality of light reflecting patterns formed to reflect the incident light toward the exit surface. The light reflecting patterns have an oval hemispherical shape rising toward the exit surface and a first diameter of the oval hemispherical shape along a sub-scanning direction is equal to or longer than a second diameter thereof along the main scanning direction. The light reflecting patterns are formed to vary the ratio of the first diameter to the height of the oval hemispherical shape depending upon the location on the reflective surface in the main scanning direction.
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公开(公告)号：US10228557B2
公开(公告)日：2019-03-12
申请号：US15826123
申请日：2017-11-29
Applicant: KYOCERA Document Solutions Inc.
Inventor： Kei Ouchi , Takaaki Murase
Abstract: An image reading device has a reading module including a light source, an optical system having a mirror array where reflection mirrors are coupled together in the main scanning direction and an aperture stop portion, a sensor where imaging regions for converting the image light imaged by the optical system into an electrical signal are arranged, and a housing, and has a reference drawing pattern determining connection positions between the imaging regions. The reference drawing pattern is composed of a plurality of pixel cut lines arranged to correspond to boundary lines between the reflection mirrors. The optical system is fixed on the housing at one point in the main scanning direction, and the pixel cut lines are arranged such that their distances from the boundary lines in the main scanning direction increase the farther away from the fixed position of the optical system in the main scanning direction.
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5.发明申请LIGHT GUIDE MEMBER, ILLUMINATING DEVICE, AND IMAGE READING APPARATUS AND IMAGE FORMING APPARATUS USING SAME 有权光导管构件，照明装置和图像读取装置和使用其的图像形成装置公开(公告)号：US20130194641A1
公开(公告)日：2013-08-01
申请号：US13752731
申请日：2013-01-29
Applicant: KYOCERA DOCUMENT SOLUTIONS INC.
Inventor： Kei Ouchi
CPC classification number: G02B6/0001 , F21V7/04 , G02B6/001 , G02B6/0036 , H04N1/02825 , H04N1/02835 , H04N1/02855
Abstract: A light guide member includes a main body part, and an entrance surface, a strip-shaped exit surface and a strip-shaped reflecting surface that are formed on the main body part. The illumination light is output from the exit surface. The reflecting surface extends in the first direction on a face placed opposite to the exit surface of the main body part and reflects the illumination light. The reflecting surface includes, on a flat face, a reflection pattern surface provided with a plurality of minute reflective concave parts having a function of reflecting the illumination light toward the exit surface. The reflective concave parts each include a deflection surface which deflects the illumination light in a direction in which a reflection angle widens in a cross sectional view in a second direction that is orthogonal to the first direction in a horizontal direction, and then reflects the illumination light.
Abstract translation: 导光构件包括主体部分，以及形成在主体部分上的入口表面，条形出射表面和条形反射表面。 照明光从出射面输出。 反射表面在与主体部分的出射表面相对放置的面上沿第一方向延伸并且反射照明光。 反射面在平面上具有设置有多个微小反射凹部的反射图形表面，该反射凹部具有朝向出射面反射照明光的功能。 反射凹部各自包括偏转面，该偏转面沿着与水平方向的与第一方向正交的第二方向的横截面视角加宽的方向偏转照明光，然后反射照明光 。
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Patent Agency Ranking
公开(公告)号：US10666826B2
公开(公告)日：2020-05-26
申请号：US16333123
申请日：2017-09-01
Applicant: KYOCERA Document Solutions Inc.
Inventor： Kei Ouchi , Takaaki Murase
IPC: H04N1/00 , H04N1/03 , G02B13/24 , H04N1/193 , H04N1/10 , G02B17/08 , G02B5/10 , H04N1/19 , H04N1/028 , G06T1/00 , G03B27/54
Abstract: A reading module has a light source, an optical system having a mirror array and an aperture stop portion, a sensor in which a plurality of image regions where the image light is converted into an electrical signal are arranged; a housing; and a light-shielding wall shielding stray light striking the image regions. In the mirror array, a plurality of reflective mirrors whose reflection surfaces are aspherical concave surfaces are coupled together in an array in the main scanning direction. The optical system is fixed to on the case housing at one point in the main scanning direction, and the light shielding walls are arranged at a positions displaced deviated by a predetermined amount from boundaries between the image regions in the direction opposite to the fixed side of the optical system.
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公开(公告)号：US20170346987A1
公开(公告)日：2017-11-30
申请号：US15597667
申请日：2017-05-17
Applicant: KYOCERA Document Solutions Inc.
Inventor： Kei Ouchi
CPC classification number: H04N1/393 , H04N1/0281 , H04N1/19531 , H04N1/19547 , H04N1/40056 , H04N2201/0094
Abstract: An image reading apparatus includes a light irradiator, an optical system and a photoelectric converter. The optical system includes a reflection mirror unit and an aperture unit. The reflection mirror unit includes first and second reflection areas successively provided in a main scanning direction. The aperture unit includes a light shielding portion and first and second light passing holes for allowing the passage of the light reflected by each of the first and second reflection areas. The photoelectric converter includes a light receiving surface having first and second light receiving areas configured to receive the light passed through each of the first and second light passing holes and successively arranged in the main scanning direction. A length of the light receiving surface along the main scanning direction is set to be equal to or longer than that of the image reading area along the main scanning direction.
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公开(公告)号：US09584690B2
公开(公告)日：2017-02-28
申请号：US15070388
申请日：2016-03-15
Applicant: KYOCERA Document Solutions Inc.
Inventor： Kei Ouchi
CPC classification number: H04N1/02835 , G02B6/0006 , G02B6/001
Abstract: A light guide includes an incident surface provided at least at an end portion of the light guide in a longitudinal direction, and receiving light from a light source, an output surface constituting a part of an outer peripheral surface, and outputting the light introduced through the incident surface, a reflecting surface extending along the optical axis so as to oppose the output surface, and including a plurality of reflection patterns that reflect the introduced light toward the output surface, and a reflecting plate opposed to a region in the outer peripheral surface other than the incident surface, the output surface, and the reflecting surface, and reflecting the light from the light source. The outer peripheral surface includes a sloped portion formed so as to come closer to the reflecting plate in a direction away from the incident surface in the longitudinal direction.
Abstract translation: 导光体包括至少在导光体的长度方向的端部设置的入射面，并且接收来自光源的光，构成外周面的一部分的输出面，并输出通过 入射表面，沿着光轴延伸以与输出表面相对的反射表面，并且包括将引入的光反射到输出表面的多个反射图案，以及与外周表面中的其他区域相反的反射板 比入射面，输出面和反射面反射来自光源的光。 外周面包括形成为在纵向方向上远离入射表面的方向更靠近反射板的倾斜部分。
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公开(公告)号：US11671544B2
公开(公告)日：2023-06-06
申请号：US17154064
申请日：2021-01-21
Applicant: KYOCERA Document Solutions Inc.
Inventor： Kei Ouchi , Ryotaro Todokoro
CPC classification number: H04N1/00708 , H04N1/00734 , H04N1/02815 , H04N1/484
Abstract: An image reading apparatus is provided with: a reading processing unit which moves a reading unit, causes a light emitting unit to emit a first amount of light, reads an electric charge generated by a photoelectric conversion unit, and reads an image of a document placed on a document placing surface on the basis of the read electric charge; and a detection processing unit which causes a light emitting unit to emit a second amount of light greater than the first amount of light, reads an electric charge generated by the photoelectric conversion unit, and detects the size of the document placed on the document placing surface on the basis of the read electric charge.
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公开(公告)号：US20140355290A1
公开(公告)日：2014-12-04
申请号：US14289247
申请日：2014-05-28
Applicant: KYOCERA Document Solutions Inc.
Inventor： Kei Ouchi
IPC: F21V8/00
CPC classification number: G02B6/0096 , G02B6/001 , G02B6/0036 , G02B6/0061 , G03G15/04036 , H04N1/02815 , H04N1/02835 , H04N1/0285
Abstract: A light guide includes an incident surface, an exit surface and a reflective surface. The reflective surface is located opposite to the exit surface to extend in the main scanning direction and includes a plurality of light reflecting patterns formed to reflect the incident light toward the exit surface. The light reflecting patterns have an oval hemispherical shape rising toward the exit surface and a first diameter of the oval hemispherical shape along a sub-scanning direction is equal to or longer than a second diameter thereof along the main scanning direction. The light reflecting patterns are formed to vary the ratio of the first diameter to the height of the oval hemispherical shape depending upon the location on the reflective surface in the main scanning direction.
Abstract translation: 导光体包括入射表面，出射表面和反射表面。 反射面位于与出射面相反的方向，在主扫描方向上延伸，并且包括多个光反射图案，其形成为将入射光反射到出射表面。 光反射图案具有朝向出射面上升的椭圆形半球形状，沿着副扫描方向的椭圆形半球形状的第一直径沿着主扫描方向等于或长于其第二直径。 光反射图案形成为根据主扫描方向上的反射表面上的位置来改变第一直径与椭圆形半球形状的高度的比率。
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