专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

1. 发明专利

JP2015038457A 変位測定装置および変位測定方法および画像形成装置审中-公开
标题翻译：位移测量装置，位移测量方法和图像形成装置
公开(公告)号：JP2015038457A
公开(公告)日：2015-02-26
申请号：JP2013189389
申请日：2013-09-12
申请人：株式会社リコー , Ricoh Co Ltd
发明人： TAKAURA ATSUSHI , NIHEI YASUHIRO , MASUDA KOJI , SHIMIZU KENICHI , TAMURA ASATO , AMADA MIGAKU , KUDO KOICHI , UEDA TAKESHI
IPC分类号： G01B11/02 , G01P3/68 , G03G15/16 , G03G21/00
摘要：【課題】スペックルパターンを利用した動的被検面の変位測定において、測定環境温度変動の影響の軽減が容易な変位測定装置を提供する。【解決手段】レーザ光源1を用い、スペックルパターンを利用して動的被検面の移動距離または移動速度もしくはこれら両者を測定する変位測定装置であって、撮像光学系は、動的被検面側Obから順に、正のパワーの第1群51、開口絞りS、正のパワーの第2群52によって構成され、開口絞りSは、第1群51の像側焦点面で、且つ、第2群52の物体側焦点面である位置に設けられ、撮像素子の受光面7Aが動的被検面Obの撮像光学系によるガウス面GMに合致させられ、動的被検面Obのボイリング面BMとガウス面GMとの距離:Db、ガウス面GMと撮像素子の受光面7Aとの間隔:Dが、条件:D/Db≒0を満足するように、照明光学系3の撮像光学系を介しての動的被検面Obの照明態様が定められる構成となっている。【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，其被配置为通过使用散斑图案容易地减小测量环境温度变化对移动表面的位移测量的影响。解决方案：位移测量装置使用激光源1，通过使用斑点图案来测量移动表面的移动距离和移动速度之一或两者。成像光学系统包括具有正功率的第一组51，孔径光阑S和具有正功率的第二组52，从移动表面侧Ob开始。孔径光阑S是第一组51的图像侧焦面，并且被配置在作为第二组52的物体侧焦面的位置。成像元件的受光面7A与高斯由成像光学系统形成的移动表面Ob的表面GM。确定具有照明光学系统3的成像光学系统的移动表面Ob的照明模式以满足条件：D /Db≈0，其中Db是沸腾表面BM与高温表面BM之间的距离移动表面Ob和D是成像元件的高斯面GM和受光面7A之间的距离。

2. 发明专利

JP2014035197A Moving member detection device and image forming device 有权
标题翻译：移动会员检测装置和图像形成装置
公开(公告)号：JP2014035197A
公开(公告)日：2014-02-24
申请号：JP2012174923
申请日：2012-08-07
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： KUDO KOICHI , MASUDA KOJI , FUNATO HIROYOSHI , UEDA TAKESHI , NIHEI YASUHIRO , TAKAURA ATSUSHI
IPC分类号： G01P3/68 , G01B11/00 , G01P3/36 , G03G15/01 , G03G21/14
CPC分类号： G03G15/5054 , G03G2215/0129 , G03G2215/0141
摘要： PROBLEM TO BE SOLVED: To provide a moving member detection device configured to detect actual speed of a moving member in a short time accurately irrespective of temperature changes, and to provide an image forming device including the moving member detection device.SOLUTION: In a moving member detection device 50, predetermined two positions A and B are set for a moving member E. The position A is irradiated with a laser light source 11A. The position B is irradiated with a laser light source 11B. An image in the position A is acquired by an area sensor 12A. An image in the position B is acquired by an area sensor 12B. The image in the position A and the image in the position B are acquired with a time difference Δt. On the basis of correlation between the image in the position A and the image in the position B, actual speed of the moving member E is determined. The two area sensors 12A, 12B are fixed by a fixing member 13. The fixing member 13 is a glass material having a linear expansion coefficient of 0 or the like.
摘要翻译：要解决的问题：提供一种移动构件检测装置，其被配置为在短时间内精确地检测移动构件的实际速度，而与温度变化无关，并且提供包括移动构件检测装置的图像形成装置。解决方案：在移动构件检测装置50，为移动构件E设定预定的两个位置A和B.对A位置照射激光光源11A。位置B用激光光源11B照射。位置A的图像由区域传感器12A获取。位置B的图像由区域传感器12B获取。以时间差Dgr; t获取位置A和位置B中的图像的图像。基于位置A中的图像与位置B中的图像之间的相关性，确定移动部件E的实际速度。两个区域传感器12A，12B由固定构件13固定。固定构件13是线性膨胀系数为0的玻璃材料等。

3. 发明专利

JP2013257473A Detection device and image forming device 审中-公开
标题翻译：检测装置和图像形成装置
公开(公告)号：JP2013257473A
公开(公告)日：2013-12-26
申请号：JP2012134342
申请日：2012-06-14
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： FUNATO HIROYOSHI , MASUDA KOJI , UEDA TAKESHI , KUDO KOICHI , NIHEI YASUHIRO , TAKAURA ATSUSHI
IPC分类号： G03G21/00 , G02B26/12 , G03G15/16
摘要： PROBLEM TO BE SOLVED: To provide a detection device capable of detecting the moving speed and a displacement amount of a moving body with high accuracy.SOLUTION: A detection device includes a light source 10, a collimator lens 12, an imaging lens 14, an image sensor 16 and a control device 18. When the ambient temperature of the light source 10 changes from 15°C to 40°C, the wavelength of light made incident on the imaging lens 14 changes from 655 nm to 660 nm. Then, in the imaging lens 14, a focal distance f when the wavelength of incident light is 655 nm, and a displacement amount Δb in the optical axis direction of the imaging lens on a conjugate imaging surface of a measuring surface due to the imaging lens when the wavelength of the incident light changes 655 nm to 660 nm are set so that a relation of |Δb/f|≤1.394×10is satisfied. In this case, a detection error is 0.02% or less.
摘要翻译：要解决的问题：提供一种能够高精度地检测移动体的移动速度和移动量的检测装置。解决方案：检测装置包括光源10，准直透镜12，成像透镜14，图像传感器16和控制装置18.当光源10的环境温度从15℃变化到40℃时，入射到摄像透镜14上的光的波长从655nm变化到660nm。然后，在摄像透镜14中，入射光的波长为655nm时的焦距f以及由于摄像透镜14在测量面的共轭成像面上的摄像透镜的光轴方向的位移量＆Dgr; b 当入射光的波长改变655nm至660nm时的成像透镜被设定为满足|＆Dgr; b / f |≤1.394×10的关系。在这种情况下，检测误差为0.02％以下。

4. 发明专利

JP2013228184A Linear solar concentrator and solar concentration power generation system 审中-公开
标题翻译：线性太阳能集热器和太阳能集中发电系统
公开(公告)号：JP2013228184A
公开(公告)日：2013-11-07
申请号：JP2012247211
申请日：2012-11-09
申请人： Ricoh Co Ltd , 株式会社リコー , Tokyo Institute Of Technology , 国立大学法人東京工業大学
发明人： SATO TATSUYA , SUZUKI MITSUO , MASUDA KOJI , UEDA TAKESHI , NAGAO KAZUYA , KITABAYASHI JUNICHI , TAMAURA YUTAKA , KANEKO HIROSHI
IPC分类号： F24S50/20 , F03G6/00 , F24S10/70 , F24S20/20 , F24S23/70 , F24S23/71
CPC分类号： F24J2/38 , F24J2/07 , F24J2/10 , F24J2/12 , F24J2/24 , Y02E10/41 , Y02E10/44 , Y02E10/46 , Y02E10/47
摘要： PROBLEM TO BE SOLVED: To provide a linear solar concentrator that can reduce variations of light concentration/heat collection energy, reduce loss of light, and improve heating efficiencies against the changes of daily sun elevation.SOLUTION: Multiple reflection lines L1-L8 are disposed in the north-south direction, and one light receiving line G is disposed in the east-west direction. Mirror segments 1a, 1b, 1c, ... are provided on each reflection line. Light concentration ratio in an irradiation area is doubled by collecting the reflection light from two each reflection lines adjacent to the east-west direction into one irradiation area of a receivers 2.
摘要翻译：要解决的问题：提供一种线性太阳能集中器，可以减少光浓度/集热能量的变化，减少光线损失，并提高日照太阳升高变化的加热效率。解决方案：设置多个反射线L1-L8 在南北方向，一个光接收线G设置在东西方向。每个反射线上设有镜片段1a，1b，1c，...。通过将来自与东西方向相邻的两条反射线的反射光收集到接收机2的一个照射区域，照射区域中的光浓度比加倍。

5. 发明专利

JP2009014930A Optical element, light source device, optical scanning device and image forming device 有权
标题翻译：光学元件，光源装置，光学扫描装置和图像形成装置
公开(公告)号：JP2009014930A
公开(公告)日：2009-01-22
申请号：JP2007175409
申请日：2007-07-03
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： UEDA TAKESHI , MASUDA KOJI
IPC分类号： G02B5/18 , B41J2/44 , B41J2/47 , G02B13/00 , G02B13/18 , G02B26/10 , G02B26/12 , H04N1/113
摘要： PROBLEM TO BE SOLVED: To attain reductions in size and cost and energy saving of a light source device, an optical scanning device and an image forming device by proposing a new optical element having light quantity monitoring function. SOLUTION: The optical element comprises an incident surface on which laser beam flux is incident, an out-going surface from which the laser beam flux is emitted, a diffraction grating 104 provided on either one of the incident surface and the out-going surface, which is a light branch means for branching the laser beam flux, and a light detection member 105 mounted on a main body of the optical element 112 in an integrated manner to detect one of laser beam fluxes branched by the diffraction grating 104. The laser beam which is branched by the diffraction grating 104 and reaches the light detection member 105 satisfies a total reflection condition to the incident surface and the out-going surface. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：解决的问题：通过提出具有光量监视功能的新型光学元件，能够实现光源装置，光学扫描装置和图像形成装置的小型化，低成本化和节能化。解决方案：光学元件包括入射表面，激光束通量入射入射表面，从该表面射出激光束，外侧表面上设有衍射光栅104，该衍射光栅104设置在入射表面和出射面之间，作为用于分支激光束的光分支装置的行进表面和以一体的方式安装在光学元件112的主体上的光检测构件105，以检测由衍射光栅104分支的激光束。由衍射光栅104分支并到达光检测部件105的激光束满足对入射面和外表面的全反射条件。版权所有（C）2009，JPO＆INPIT

6. 发明专利

JP2008033036A 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：JP2008033036A
公开(公告)日：2008-02-14
申请号：JP2006206680
申请日：2006-07-28
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： SAKAI KOJI , HAYASHI YOSHIAKI , UEDA TAKESHI , ICHII DAISUKE , SAISHO KENICHIRO
IPC分类号： G02B26/10 , B41J2/44 , H04N1/113
摘要： PROBLEM TO BE SOLVED: To provide an optical scanner having a diffraction face at least in one optical element, in which the variation in a beam spot diameter due to temperature variation is reduced and an optical scanning is performed with a more stabilized beam spot diameter.
SOLUTION: The optical scanner includes a first optical element 4 for guiding light beams emitted from a plurality of light-emitting parts of a light source part 1 to an optical deflector 5; and a second optical element 6 for forming light spots, by focusing the light beams deflected with the optical deflector 5 on a face to be scanned 7 and for optically scanning the face to be scanned, where one or more of the first optical element 4 and the second optical element 6 include a resin lens at least one of which has the diffraction face, at least one of the face figure of the diffraction face is so constituted as to cancel the power of the diffracting portion and the power of the refracting portion. Thus the variation in the position of the beam waist due to temperature variation is effectively corrected, and optical scanning is always performed with a stable spot diameter.
COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：提供一种具有至少在一个光学元件中的衍射面的光学扫描器，其中由于温度变化引起的光束光斑直径的变化减小，并且使用更稳定的光束进行光学扫描光斑直径。光学扫描器包括：第一光学元件4，用于将从光源部分1的多个发光部分发射的光束引导到光学偏转器5; 以及用于形成光斑的第二光学元件6，通过将偏转器5偏转的光束聚焦在待扫描的表面7上并用于光学扫描待扫描的面，其中第一光学元件4和第二光学元件6包括其中至少一个具有衍射面的树脂透镜，衍射面的面部图案中的至少一个被构造成抵消衍射部分的功率和折射部分的功率。因此，有效地校正了由于温度变化引起的波束腰部位置的变化，并且始终以稳定的光点直径进行光学扫描。版权所有（C）2008，JPO＆INPIT

7. 发明专利

JP2007293182A Optical scanner, optical write-in apparatus and image forming apparatus 有权
标题翻译：光学扫描仪，光学写入装置和图像形成装置
公开(公告)号：JP2007293182A
公开(公告)日：2007-11-08
申请号：JP2006123329
申请日：2006-04-27
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： SAISHO KENICHIRO , HAYASHI YOSHIAKI , UEDA TAKESHI , SAKAI KOJI , ICHII DAISUKE
IPC分类号： G02B26/10 , H04N1/113
摘要： PROBLEM TO BE SOLVED: To obtain an optical scanner in which the returning light from a diffraction face is attenuated, diffracted light of unnecessary order or scattered light is effectively eliminated, to provide an optical write-in apparatus, and to provide an image forming apparatus in which a high quality picture is formed by using the optical write-in apparatus.
SOLUTION: The optical scanner is composed of: a pre-deflector side optical system for shaping a plurality of luminous fluxes emitted from a light source part 1 and introducing the luminous fluxes to an optical deflector 5; and a scanning lens system 6 which guides and focuses the plurality of luminous fluxes deflected with the deflector 5 on a single face to be scanned 8. The pre-deflector side optical system has a linear image forming lens 4 made of resin and having the function to condense the luminous fluxes in a subscanning direction, the linear image forming lens 4 has a diffraction face, and the diffraction face is provided on the second face of the linear image forming lens 4. The face shape of the diffraction face of the linear image forming lens 4 is set so that the power of the diffraction part and the power of the refraction part are canceled.
COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题为了获得其中来自衍射面的返回光被衰减的光学扫描器，有效地消除了不必要的次数或散射光的衍射光，以提供光学写入装置，并且提供一种通过使用光学写入装置形成高质量图像的图像形成装置。解决方案：光学扫描仪由以下部分组成：预偏转器侧光学系统，用于对从光源部分1发射的多个光束进行成形，并将光束引入光学偏转器5; 以及将偏转器5偏转的多个光束引导并聚焦在要扫描的单个面上的扫描透镜系统8.预偏转器侧光学系统具有由树脂制成并具有功能的线性成像透镜4 为了在副扫描方向上冷凝光束，线性成像透镜4具有衍射面，并且衍射面设置在线状图像形成透镜4的第二面上。线形图像的衍射面的面形状成像透镜4被设定为使得衍射部分的功率和折射部分的功率被抵消。版权所有（C）2008，JPO＆INPIT

8. 发明专利

JP2006301299A Laser scanning apparatus, image forming apparatus, method of laser scanning and method of forming image 审中-公开
标题翻译：激光扫描装置，图像形成装置，激光扫描方法和形成图像的方法
公开(公告)号：JP2006301299A
公开(公告)日：2006-11-02
申请号：JP2005122871
申请日：2005-04-20
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： UEDA TAKESHI , TAKANASHI KENICHI
IPC分类号： G02B26/10 , B41J2/44 , G02B26/12 , H04N1/113
摘要： PROBLEM TO BE SOLVED: To provide a laser scanning apparatus, an image forming apparatus, a method of laser scanning and a method of forming image, in which a beam spot having a small diameter is available, high speed writing is possible, cost is low, and image is not deteriorated even when ambient temperature changes. SOLUTION: The optical system which guides a luminous flux from a light source to a deflection means has at least a diffraction optical plane and at least a resin lens, thus the beam spot having a small diameter is available, high speed writing is possible, the cost is low and image is not deteriorated even when environmental temperature changes. COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：为了提供激光扫描装置，图像形成装置，激光扫描方法和形成图像的方法，其中具有小直径的束斑可以进行高速写入，成本低，即使环境温度变化，图像也不会恶化。解决方案：将来自光源的光通量引导到偏转装置的光学系统至少具有衍射光学平面和至少一个树脂透镜，因此具有小直径的光束点可用，高速写入是可能的是，即使环境温度变化，成本也低，图像也不会恶化。版权所有（C）2007，JPO＆INPIT

9. 发明专利

JP2006023630A 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：JP2006023630A
公开(公告)日：2006-01-26
申请号：JP2004203153
申请日：2004-07-09
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： UEDA TAKESHI
IPC分类号： G02B26/10 , G02B3/08 , G02B13/00 , G02B13/18 , H04N1/113
摘要： PROBLEM TO BE SOLVED: To provide an optical scanner in which the thickness and an uneven thickness of a lens can be efficiently reduced while maintaining the optical performance, and which is low cost and has good performance.
SOLUTION: As regards the Fresnel face of the lens, the curved surface shape (a curvature) is changed at every refractive segment as indicated in Figure (b) and tangent planes ((1) and (2) in Figure (b)) are made not parallel in the vicinity of common back cut surfaces (A and B in Figure (b)) at respective adjacent refractive segments. In a second embodiment shown in Figure (c), while the back cut surface positions are fixed, the curved surface of each refractive segment is shifted for a prescribed amount at every refractive segment in a lattice array direction and the light beam emitting angle of each refractive segment is adjusted so that occurrence of disruption of a spot diagram on the image surface is prevented.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供一种光学扫描仪，其中可以有效地降低透镜的厚度和不均匀的厚度，同时保持光学性能，并且成本低并且具有良好的性能。解决方案：关于透镜的菲涅耳面，如图（b）所示，在每个折射段和图（b）中的切平面（（1）和（2））上，曲面形状（曲率）））在相邻的折射片段处在公共后切面（图（b）中的A和B）附近不平行。在图（c）所示的第二实施例中，当背面表面位置固定时，每个折射片段的曲面在每个折射片段处以格子阵列方向移动规定量，并且每个折射片段的光束发射角度调节折射片段，以防止图像表面上的斑点的破坏发生。版权所有（C）2006，JPO＆NCIPI

10. 发明专利

JP2005258392A 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：JP2005258392A
公开(公告)日：2005-09-22
申请号：JP2004267594
申请日：2004-09-14
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： UEDA TAKESHI
IPC分类号： B41J2/44 , B41J2/435 , B41J2/47 , G02B5/18 , G02B13/00 , G02B13/08 , G02B13/18 , G02B26/10 , G02B26/12 , G02B27/00 , H04N1/113
CPC分类号： G02B27/4227 , B41J2/471 , G02B26/12 , G02B27/0031 , G02B27/0037 , G02B27/4283
摘要： PROBLEM TO BE SOLVED: To provide an optical scanner for a digital copier, a laser printer, a laser facsimile or the like, which is low-cost and has satisfactory performance by realizing a lens having such shape that the lens can be held with a sufficient precision, and realizing an optical system wherein out-of-focus caused by the temperature variance can be suppressed. SOLUTION: A luminous flux emitted from a light source 1 being a semiconductor laser becomes weak divergent light by a coupling lens 2 and passes an aperture 3 to become a luminous flux which is parallel rays in a main scanning direction and converges in the vicinity of a polygon mirror 5 in a subscanning direction, by an anamorphic lens 4 consisting a first optical system. Furthermore, the luminous flux is deflected by the polygon mirror 5 and is imaged on an image surface 9 through a dustproof glass 8 by a deflector-side scanning lens 6 and an image surface-side scanning lens 7. The light source 1 and the coupling lens 2 are fixed to the same member made of aluminum. All the lenses are made of resin, and a diffraction surface is provided on a light source-side surface of the coupling lens 2 and an image surface-side surface of the anamorphic lens 4. COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：为了提供一种数字复印机，激光打印机，激光传真机等的光学扫描器，其通过实现具有透镜可以是这样的形状的透镜而成本低廉并且具有令人满意的性能并且实现了可以抑制由温度变化引起的失焦的光学系统。解决方案：从作为半导体激光器的光源1发射的光束通过耦合透镜2变成弱散射光，并且通过孔3，成为主扫描方向上的平行光的光束，并且会聚在通过由第一光学系统构成的变形透镜4，在副扫描方向上的多面镜5的附近。此外，光束由多面镜5偏转，并且通过偏转器侧扫描透镜6和图像表面侧扫描透镜7通过防尘玻璃8成像在图像表面9上。光源1和耦合器透镜2固定在与铝相同的构件上。所有透镜均由树脂制成，衍射面设置在耦合透镜2的光源侧表面和变形透镜4的图像表面侧。（C）2005，JPO＆NCIPI

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式