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1. 发明专利

JP2015031623A 変位測定装置および変位測定方法および移動体搬送装置および画像形成装置有权
标题翻译：位移测量装置，位移测量方法，移动体传送装置和图像形成装置
公开(公告)号：JP2015031623A
公开(公告)日：2015-02-16
申请号：JP2013162199
申请日：2013-08-05
申请人：株式会社リコー , Ricoh Co Ltd
发明人： NIHEI YASUHIRO , MASUDA KOJI , KUDO KOICHI , TAKAURA ATSUSHI , UEDA TAKESHI , AMADA MIGAKU , TAMURA ASATO
IPC分类号： G01B11/00 , G01P3/36 , G03G15/08
摘要：【課題】レーザ光源、動的被検面、撮像センサの相互の位置関係の精度要求を緩和でき、且つ、高精度の変位測定が可能な変位測定装置の実現を課題とする。【解決手段】スペックルパターンを利用して、動的被検面の移動距離および移動速度の少なくとも一方を測定する変位測定装置であって、スペックルパターンを撮像する撮像センサ52は、その受光面52aの所望の面積領域の画像データを出力可能であり、撮像センサ52から出力される2次元のスペックルパターン全体の画像データを用い、受光面上に、変位測定に用いられる測定用部分領域を特定するエリア検出部53と、エリア検出部により特定された測定用部分領域から得られるスペックルパターン部分の画像データを用いて、動的被検面の移動距離および移動速度の少なくとも一方を演算する演算部54と、を有することを特徴とする。【選択図】図1
摘要翻译：要解决的问题：提供一种位移测量装置，其被配置为减轻对激光源，动态检查表面和成像传感器之间的位置关系的要求，并且能够进行精确的位移测量。解决方案：位移测量装置至少测量通过使用斑点图案，动态检查表面的移动距离和移动速度之一。用于对斑点图案进行成像的成像传感器52输出受光面52a的期望区域区域的图像数据。位移测量装置包括：区域检测部53，其通过使用从成像输出的二维散斑图案的整体上的图像数据来指定在光接收表面上用于位移测量的测量部分区域传感器52; 以及计算部54，其通过使用从由区域检测部指定的测量部分区域获得的斑纹图案部分的图像数据来计算动态检查面的移动距离和移动速度中的至少一个。

2. 发明专利

JP2014205323A 光プリントヘッドおよび画像形成装置有权
标题翻译：光学打印头和图像形成装置
公开(公告)号：JP2014205323A
公开(公告)日：2014-10-30
申请号：JP2013084975
申请日：2013-04-15
申请人：株式会社リコー , Ricoh Co Ltd
发明人： AMADA MIGAKU , NAKAJIMA TOMOHIRO
IPC分类号： B41J2/44 , B41J2/45 , B41J2/455 , H04N1/036
摘要：【課題】レンズアレイの反りや捩れを矯正して確実に位置決めする。【解決手段】複数の発光源が主走査方向に沿って配列された発光素子アレイ10を実装した基板2と、光ビームを結像するレンズアレイ20と、基板2およびレンズアレイ20を支持するハウジング11と、を備え、基板2は、複数の係合穴6を有し、レンズアレイ20に、第1の当接面26が形成され、ハウジング11は、第1の基準面13cと、基板を突き当てる第2の基準面12a,13aと、複数の係合穴6の対向位置に設けられる複数の係合ピン15と、を備え、基板2およびレンズアレイ20を位置決めして支持し、かつ、光ビームが通過する通過部が形成され、主走査方向に沿った複数箇所でレンズアレイ20を押圧することで第1の当接面26を第1の基準面13cに付勢するとともに、複数の発光源およびレンズアレイ20を封止するカバー部材40を備える。【選択図】図6
摘要翻译：要解决的问题：校正透镜阵列的翘曲或扭曲并执行可靠的定位。解决方案：光学打印头包括：安装发光元件阵列10的基板2，其中多个发光源沿主体布置扫描方向形成光束图像的透镜阵列20; 以及用于支撑基板2和透镜阵列20的壳体11.基板2具有多个接合孔6.在透镜阵列20中，形成第一接触表面26。壳体11设置有：第一参考表面13c，用于邻接衬底的第二参考表面12a，13a; 以及设置在与多个接合孔6相对的位置的多个接合销15.光学打印头设置有盖构件40，其中定位和支撑基板2和透镜阵列20的通道部分和光形成光束通过，其通过沿着主扫描方向在多个点处按压透镜阵列20来激励第一参考表面13c上的第一接触表面26，并且密封多个发光源和透镜阵列20。

3. 发明专利

JP2013238798A Optical scanner and image forming apparatus 有权
标题翻译：光学扫描仪和图像形成装置
公开(公告)号：JP2013238798A
公开(公告)日：2013-11-28
申请号：JP2012113104
申请日：2012-05-17
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： AMADA MIGAKU
IPC分类号： G02B26/12 , B41J2/44 , G02B27/30 , H04N1/113
摘要： PROBLEM TO BE SOLVED: To reduce the thickness of an optical scanner and to facilitate the adjustment work in assembling the same.SOLUTION: An optical scanner 100 comprises: a semiconductor laser 103 for emitting a laser beam; a coupling optical element 108A having a reflection effect for bending the advancing direction of the emitted light from the semiconductor laser 103 at an almost right angle and a light condensing effect for converting the light condensing state of the emitted light; a polygon mirror 109 having a rotational axis substantially parallel to the emitting direction of the laser beam, and deflecting and reflecting the light flux coupled by the coupling optical element 108A; and a scanning lens 104 for guiding the light flux deflected and reflected by the polygon mirror 109 to a surface to be scanned. The coupling optical element 108A has power in both a main scanning direction and a sub-scanning direction in one of its incident surface 118 and emission surface 119, and has power in only the main scanning direction in the other of its incident surface 118 and emission surface 119.
摘要翻译：要解决的问题：为了减小光学扫描仪的厚度并且有助于组装光学扫描器的调整工作。解决方案：光学扫描器100包括：用于发射激光束的半导体激光器103; 具有用于以几乎直角弯曲来自半导体激光器103的发射光的前进方向的反射效应的耦合光学元件108A和用于转换发射光的聚光状态的聚光效果; 多面反射镜109，具有基本上平行于激光束的发射方向的旋转轴线，以及偏转和反射由耦合光学元件108A耦合的光束; 以及用于将由多面镜109偏转和反射的光束引导到要扫描的表面的扫描透镜104。耦合光学元件108A在其入射表面118和发射表面119中的一个中具有主扫描方向和副扫描方向的功率，并且在其入射表面118中的另一个中仅具有主扫描方向的功率，并且发射表面119。

4. 发明专利

JP2012088413A Image forming device and image forming method 审中-公开
标题翻译：图像形成装置和图像形成方法
公开(公告)号：JP2012088413A
公开(公告)日：2012-05-10
申请号：JP2010233205
申请日：2010-10-18
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： AMADA MIGAKU , ITAMI YUKIO
IPC分类号： G02B26/12 , B41J2/44 , G02B26/10 , H04N1/036 , H04N1/113
摘要： PROBLEM TO BE SOLVED: To provide an image forming device capable of reducing consumption power without deteriorating image quality.SOLUTION: An optical scanner comprises four light sources, a polygon scanner comprising a polygon mirror for deflecting a luminous flux from each light source and a motor mechanism for rotatingly driving the polygon mirror, four scanning optical systems for individually condensing the luminous flux deflected by the polygon mirror on the surface of four photoreceptor drums, four optical detection sensors (2111a to 2111d) provided corresponding to the four photoreceptor drums, a scanning control device 3022 and the like. And, the scanning control device monitors the reduction in reflectivity of the deflective reflection face of the polygon mirror based on the output signal of each optical detection sensor, and if the level of any output signal is smaller than the level threshold value, the scanning control device performs the reflectance recovery process by rotating the polygon mirror at a rotation rate higher than that during formation of an image.
摘要翻译：要解决的问题：提供一种能够在不降低图像质量的情况下降低功耗的图像形成装置。解决方案：光学扫描器包括四个光源，多边形扫描器，其包括用于偏转每个光源的光束的多面镜和用于旋转驱动多面镜的马达机构，用于单独冷凝光通量的四个扫描光学系统由四个感光鼓的表面上的多面镜偏转的四个感光鼓的四个光学检测传感器（2111a〜2111d），扫描控制装置3022等。并且，扫描控制装置根据各光检测传感器的输出信号，监视多角镜的偏转反射面的反射率的降低，如果任何输出信号的电平小于电平阈值，则扫描控制装置通过以比图像形成期间的旋转速度高的旋转速度旋转多面镜来执行反射率恢复处理。版权所有（C）2012，JPO＆INPIT

5. 发明专利

JP2009217064A Optical scanner and image forming apparatus 审中-公开
标题翻译：光学扫描仪和图像形成装置
公开(公告)号：JP2009217064A
公开(公告)日：2009-09-24
申请号：JP2008061728
申请日：2008-03-11
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： MASUDA KENSUKE , KUBO NOBUAKI , AMADA MIGAKU
IPC分类号： G02B26/10 , B41J2/44 , H04N1/113
摘要： PROBLEM TO BE SOLVED: To scan a plurality of target surfaces with a plurality of luminous fluxes without increasing a scanner scale.
SOLUTION: Two light source units (2200a, 2200b) are arranged in a posture in which the light source unit 2200b is turned in 180° to the light source unit 2200a, wherein each of the two light source units is provided with a control substrate 300, laser array 301, light source drive circuit 302, aperture plate, coupling lens, condenser lens, reflection mirror, photodetector, and turning mechanism. The light source units are also arranged, with respect to a sub-scanning corresponding direction, in a manner that a distance between the light source 301 of the light source unit 2200a and the light source 301 of the light source unit 2200b is equal to a distance between a tetrahedral mirror on the upper stage and a tetrahedral mirror on the lower stage of a polygon mirror 2104. The occupied volume of the two light source units therefore can be made smaller than before. Consequently, without increasing a scanner scale, a plurality of photoreceptor drums can be scanned with a plurality of luminous fluxes.
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：使用多个光束扫描多个目标表面而不增加扫描器刻度。解决方案：两个光源单元（2200a，2200b）以光源单元2200b向光源单元2200a转动180°的姿势布置，其中两个光源单元中的每一个设置有控制基板300，激光阵列301，光源驱动电路302，孔板，耦合透镜，聚光透镜，反射镜，光电检测器和转动机构。光源单元也相对于副扫描对应的方向被布置成使得光源单元2200a的光源301与光源单元2200b的光源301之间的距离等于上层的四面体反射镜与多面镜2104的下层的四面体镜之间的距离。因此，两个光源单元的占有体积可以比以前更小。因此，在不增加扫描器刻度的情况下，可以用多个光束扫描多个感光鼓。版权所有（C）2009，JPO＆INPIT

6. 发明专利

JP2009053401A Holding structure for long optical element, optical scanner and image forming apparatus 审中-公开
标题翻译：长光学元件，光学扫描仪和图像形成装置的保持结构
公开(公告)号：JP2009053401A
公开(公告)日：2009-03-12
申请号：JP2007219472
申请日：2007-08-27
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： AMADA MIGAKU , ATSUMI HIROMICHI
IPC分类号： G02B7/00 , B41J2/44 , G02B26/10 , G02B26/12 , H04N1/113
CPC分类号： G02B26/125 , B41J2/471
摘要： PROBLEM TO BE SOLVED: To obtain a holding structure for a long optical element without causing any twisting deformation, and to provide an optical scanner and an image forming apparatus equipped with the holding structure. SOLUTION: Assuming: the moving direction of a deflected optical flux by an optical deflector as a main scanning direction; and the direction perpendicularly intersecting the main scanning direction as a subscanning direction, the holding mechanism is used for the long optical element which is long in the main scanning direction and guides the deflected optical flux to a face to be scanned, wherein the long optical element 15-2 is held at least at two points by the holding member 60 disposed in the subscanning direction, the holding member 60 includes a pressurizing means 34 which pressurizes the long optical element 15-2 in the subscanning direction, and an adjustment means having spring means 33 to oppose to the dislocation by the pressurization of the pressurizing means 34 on both sides in the optical axis direction of the long optical element. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：为了获得长光学元件的保持结构而不引起任何扭曲变形，并且提供一种配备有保持结构的光学扫描器和图像形成装置。
解决方案：假设通过光偏转器作为主扫描方向的偏转光束的移动方向; 并且与主扫描方向垂直相交的方向作为副扫描方向，所述保持机构用于在主扫描方向上较长的长光学元件，并将偏转的光束引导到待扫描的面，其中长的光学元件 15-2由副扫描方向上的保持构件60至少保持在两点，保持构件60包括在副扫描方向上对长光学元件15-2加压的加压装置34和具有弹簧的调节装置装置33通过加压装置34在长光学元件的光轴方向上的两侧的加压来抵抗位错。版权所有（C）2009，JPO＆INPIT

7. 发明专利

JP2007102108A Optical scanner/image forming apparatus/liquid crystal device 有权
标题翻译：光学扫描仪/图像形成装置/液晶装置
公开(公告)号：JP2007102108A
公开(公告)日：2007-04-19
申请号：JP2005295330
申请日：2005-10-07
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： AMADA MIGAKU
IPC分类号： G02B26/10 , B41J2/44 , H04N1/113
CPC分类号： G02B26/124 , H04N1/1135 , H04N2201/0476 , H04N2201/04791
摘要： PROBLEM TO BE SOLVED: To provide an inexpensive optical scanner in which a highly accurate beam spot position is assured even when temperature varies. SOLUTION: A laser beam 21 emitted from a semiconductor laser 11 as a light source, in which a coupling lens 12 is emitted, is imaged as a linear image (focused in a subscanning direction and long in a main scanning direction) on a deflecting reflection surface of a polygon mirror 14 which is a deflector by the action of a cylindrical lens 13, and scanned as a beam spot on a face to be scanned (a photoreceptor drum) 16 with a scanning optical system 15 (a scanning lens). A liquid crystal device 43 as an optical path deflecting means is disposed between the coupling lens 12 and the cylindrical lens 13. The liquid crystal device 43 is the one whose phase is capable of being modulated and driven by an electric signal, and the liquid crystal device 43 generates power components different in the main scanning direction and the subscanning direction according to a temperature variation. COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：为了提供一种便宜的光学扫描仪，其中即使温度变化也能确保高度精确的光斑位置。解决方案：从发射耦合透镜12的作为光源的半导体激光器11发射的激光束21成像为线性图像（在副扫描方向上聚焦并在主扫描方向上长）通过柱面透镜13的作用作为偏转器的多面反射镜14的偏转反射表面，并用扫描光学系统15（扫描透镜）扫描为待扫描的表面（感光鼓）16上的束斑）。作为光路偏转装置的液晶装置43设置在耦合透镜12和柱面透镜13之间。液晶装置43是其相位能够被电信号调制和驱动的液晶装置43，液晶设备43根据温度变化产生主扫描方向和副扫描方向不同的功率分量。版权所有（C）2007，JPO＆INPIT

8. 发明专利

JP2007065500A Holding mechanism of optical element, optical scanner with same, and image forming apparatus 审中-公开
标题翻译：光学元件的保持机构，具有相同光学扫描仪和图像形成装置
公开(公告)号：JP2007065500A
公开(公告)日：2007-03-15
申请号：JP2005253924
申请日：2005-09-01
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： AMADA MIGAKU
IPC分类号： G02B7/02 , B41J2/44 , G02B26/10 , H04N1/113
摘要： PROBLEM TO BE SOLVED: To provide a holding mechanism of optical element in which the bend of a scanning line is adjusted and the bend of the scanning line does not change even in the case of the elapse of time and temperature variation, to provide an optical scanner furnished with the holding mechanism and to provide an image forming apparatus.
SOLUTION: An upper metallic plate 51 and a lower metallic plate 52 which serve as bracket members are disposed in the vertical direction (direction corresponding to subscanning) of a long lens (long optical element) 15b, and fixed to two spacer members 53a and 53b disposed on both horizontal sides (direction corresponding to main scanning) of the long lens 15b (with unillustrated fixing screws or the like). Spacer members 54a and 54b disposed between the long lens 15b and the upper metallic plate 51 and supporting both end parts (upper face side) in the longitudinal direction of the long lens 15b function as a fixing reference in the vertical direction of the long lens 15b.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：为了提供一种光学元件的保持机构，其中调节扫描线的弯曲并且即使在时间和温度变化的情况下扫描线的弯曲也不改变，至提供配有保持机构的光学扫描仪，并提供图像形成装置。解决方案：在长透镜（长光学元件）15b的垂直方向（对应于副扫描方向）上设置用作托架构件的上金属板51和下金属板52，并固定到两个间隔件 53a和53b设置在长透镜15b的两侧（对应于主扫描的方向）上（具有未示出的固定螺钉等）。设置在长透镜15b和上金属板51之间并且支撑长透镜15b的纵向方向上的两个端部（上表面侧）的间隔件54a和54b在长透镜15b的垂直方向上用作定影基准。版权所有（C）2007，JPO＆INPIT

9. 发明专利

JP2006208697A Optical scanner, method of detecting light beam and image forming apparatus 审中-公开
标题翻译：光学扫描仪，检测光束和图像形成装置的方法
公开(公告)号：JP2006208697A
公开(公告)日：2006-08-10
申请号：JP2005020010
申请日：2005-01-27
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： AMADA MIGAKU
IPC分类号： G02B26/10 , B41J2/44 , H04N1/113
摘要： PROBLEM TO BE SOLVED: To realize an optical scanner which accurately detects the scanning position of a light beam and the scanning line position. SOLUTION: The optical scanner is constituted in such a way that a light beam emitted from a light source 11 is deflected with a deflector 14, the deflected light beam is focused on a face to be scanned 16 with a scanning optical system 15, and the face to be scanned is scanned in a main scanning direction, wherein light detection means 22a and 22b which are composed of a light receiving face on which the light beam crossing distance varies depending on the scanning position in a subscanning direction perpendicular to the main scanning direction of the light beam, and a measurement means which measures the scanning time in which the light beam crosses on the light receiving face, are provided. The scanning optical system 15 has a function with which a face to be scanned 16 is scanned at a constant speed with the light beam which is deflected with the deflector 14, the light beam detected with the light detection means 22a and 22b is made incident on the light receiving face through the scanning optical system, and the light receiving face is so arranged that the scanning speed of the light beam with which the light receiving face is scanned is equal to the scanning speed on the face to be scanned. COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：实现准确地检测光束的扫描位置和扫描线位置的光学扫描仪。解决方案：光学扫描器以这样的方式构成，使得从光源11发射的光束被偏转器14偏转，偏转的光束用扫描光学系统15聚焦在待扫描的面16上并且在主扫描方向上扫描待扫描的面部，其中光检测装置22a和22b由光接合面组成，光接合面根据垂直于该扫描方向的副扫描方向上的扫描位置而变化提供光束的主扫描方向，以及测量光束在光接收面上交叉的扫描时间的测量装置。扫描光学系统15具有以与偏转器14偏转的光束以恒定的速度扫描被扫描的面16的功能，用光检测装置22a和22b检测的光束入射到通过扫描光学系统的光接收面和光接收面被布置成使得被扫描光接收面的光束的扫描速度等于待扫描的脸上的扫描速度。版权所有（C）2006，JPO＆NCIPI

10. 发明专利

JP2006018309A Optical scanning device and line image optics for optical scanning device 审中-公开
标题翻译：光学扫描设备和光学扫描设备的线路图像光学
公开(公告)号：JP2006018309A
公开(公告)日：2006-01-19
申请号：JP2005208939
申请日：2005-07-19
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： AMADA MIGAKU
IPC分类号： G02B26/10 , B41J2/44 , H04N1/113
摘要： PROBLEM TO BE SOLVED: To realize an optical scanning device that excels in optical performance, making an layout of optics on the side of a light source easily. SOLUTION: In the optical scanning device that collects a beam of light from the light source by line image optics unilaterally, forming an image as a line image in the vicinity of a deflection reflecting surface of an optical deflector by reflecting image with an incidence plane mirror and collects deflection beam of light by the optical deflector as a light spot on a surface scanned by the scanning image optics, a mirror surface of an incidence plane mirror 14 is inclined to a direction for main scanning and a direction for sub scanning, an incidence beam of light to a deflection reflecting surface of the optical deflector and the reflecting beam of light by the deflection reflecting surface make a finite angle to the direction for the sub scanning, and a lengthwise direction of the line forming the image in the vicinity of the deflection reflecting surface by the line image optics 12 mathes the direction for the main scanning by adjusting an angle of inclination γ inclining a powerless direction in the line image optics 12 having positive power in the only one direction to the direction for the main scanning. COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：为了实现光学性能优异的光学扫描装置，使光源侧的光学布局容易地布置。解决方案：在通过线性图像光学器件单向收集来自光源的光束的光学扫描装置中，通过反射图像在光学偏转器的偏转反射表面附近形成图像作为线图像入射平面镜并且通过光学偏转器收集偏转光束作为由扫描图像光学器件扫描的表面上的光斑，入射平面镜14的镜面相对于主扫描的方向和副扫描的方向倾斜通过偏转反射面向光偏转器的偏转反射面和偏转反射面的入射光束与副扫描方向成有限的角度，形成图像的线的长度方向线路图像光学部件12的偏转反射面的附近通过调整倾斜的倾斜角γ来模拟主扫描的方向线图像光学器件12中的无光方向在与主扫描方向相同的唯一方向上具有正功率。版权所有（C）2006，JPO＆NCIPI

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