Optical scanning device and image forming apparatus
    44.
    发明授权
    Optical scanning device and image forming apparatus 有权
    光学扫描装置和图像形成装置

    公开(公告)号:US08896649B2

    公开(公告)日:2014-11-25

    申请号:US13346345

    申请日:2012-01-09

    摘要: An optical scanning device includes: a light source unit; a light deflecting unit that deflects a light beam emitted from the light source unit; a scanning optical device that focuses the light beam deflected by the light deflecting unit on a scanned surface; and a light shielding member. The scanning optical device is provided in a direction in which a sound pressure level of a noise caused by rotation of a rotating polygon mirror included in the light deflecting unit is highest.

    摘要翻译: 光学扫描装置包括:光源单元; 光偏转单元,其使从所述光源单元发射的光束偏转; 扫描光学装置,其将由所述光偏转单元偏转的光束聚焦在扫描表面上; 和遮光构件。 扫描光学装置沿着包括在偏光单元中的旋转多面镜的旋转引起的噪声的声压级最高的方向设置。

    SIMILARITY DETERMINATION APPARATUS, SIMILARITY DETERMINATION SYSTEM, AND SIMILARITY DETERMINATION METHOD
    45.
    发明申请
    SIMILARITY DETERMINATION APPARATUS, SIMILARITY DETERMINATION SYSTEM, AND SIMILARITY DETERMINATION METHOD 审中-公开
    相似性测定装置,相似性测定系统和相似性测定方法

    公开(公告)号:US20140153775A1

    公开(公告)日:2014-06-05

    申请号:US14083871

    申请日:2013-11-19

    IPC分类号: G06K9/00

    CPC分类号: G06K9/74

    摘要: A similarity determination apparatus, a similarity determination system, and a similarity determination method are provided, each of which calculates spectral information of an object, transforms the spectral information of the object into characteristic quantity, generates a similarity determination criterion from one or a plurality of items of characteristic quantity of a reference item, and checks the characteristic quantity of the object against the similarity determination criterion to determine similarity of the object with reference to the reference item.

    摘要翻译: 提供了相似度确定装置,相似性确定系统和相似性确定方法,每个相似度确定装置,相似性确定系统和相似性确定方法,其中每一个计算对象的光谱信息,将对象的光谱信息转换为特征量,从一个或多个 参考项目的特征量的项目,并且根据相似性确定标准来检查对象的特征量,以参考参考项目来确定对象的相似性。

    Hydrodynamic bearing unit, and optical deflector, optical scanner and image forming apparatus using the same
    47.
    发明授权
    Hydrodynamic bearing unit, and optical deflector, optical scanner and image forming apparatus using the same 有权
    流体动力轴承单元和光学偏转器,光学扫描仪和使用其的成像设备

    公开(公告)号:US07813020B2

    公开(公告)日:2010-10-12

    申请号:US12106863

    申请日:2008-04-21

    IPC分类号: G02B26/08

    摘要: A hydrodynamic bearing unit using oil includes a shaft to be driven, a bearing member configured to support the shaft in a non-contact manner through a bearing gap by a hydrodynamic pressure of the oil, which is generated in the bearing gap while the shaft relatively rotate with respect to the bearing member, a housing configured to house the bearing member and having an opening at one end thereof, another end thereof being enclosed, a sealing member configured to seal a part of the opening of the housing, a channel configured to communicate a space formed between the shaft, the bearing member and the housing with an outside air, and a pressing member configured to press and fix the bearing member on the housing. At least one open part configured to release an air bubble contained in the housing is provided between the bearing member and the sealing member.

    摘要翻译: 使用油的流体动力轴承单元包括待驱动的轴,轴承构件,其构造成通过在轴承间隙中产生的轴的间隙中产生的油的流体动力学压力以不接触的方式通过轴承间隙支撑轴,而轴相对 相对于轴承构件旋转的壳体,构造成容纳所述轴承构件并且在其一端具有开口的壳体,其另一端被封闭;密封构件,其构造成密封所述壳体的所述开口的一部分, 将轴,构件和壳体之间形成的空间与外部空气连通,以及构造成将轴承构件按压并固定在壳体上的按压构件。 构造成释放容纳在壳体中的气泡的至少一个打开部分设置在轴承构件和密封构件之间。

    Optical deflector, optical scanner, and image forming apparatus
    48.
    发明授权
    Optical deflector, optical scanner, and image forming apparatus 有权
    光学偏转器,光学扫描仪和图像形成装置

    公开(公告)号:US07602540B2

    公开(公告)日:2009-10-13

    申请号:US12370019

    申请日:2009-02-12

    IPC分类号: G02B26/08

    摘要: An optical deflector includes a rotary body including a polygon mirror; a rotation shaft fixed to the rotary body; a bearing unit rotatably supporting the rotation shaft; and a board to which the bearing unit is fixed. Where P [rpm] is the number of revolutions of the rotary body, l [m] is a distance between a center of gravity of the rotary body and the board, m [kg] is mass of the rotary body, r [m] is a radius of the rotation shaft, E [Pa] is Young's modulus of the rotation shaft, and t [mm] is a thickness of the board, the following inequalities are satisfied: 1 2 ⁢ ⁢ π ⁢ ⁢ 3 ⁢ π ⁢ ⁢ Er 4 4 ⁢ ⁢ ml 3 ≤ 2 × P 60 ⁢ ⁢ and ⁢ ⁢ 0.8 ≤ t ≤ 1.8 .

    摘要翻译: 光偏转器包括:旋转体,其包括多面镜; 固定在旋转体上的旋转轴; 可旋转地支撑旋转轴的轴承单元; 以及固定有轴承单元的板。 其中P [rpm]是旋转体的转数,l [m]是旋转体的重心与板之间的距离,m [kg]是旋转体的质量,r [m] 是旋转轴的半径,E [Pa]是旋转轴的杨氏模量,t [mm]是板的厚度,满足以下不等式:1 2·⁢⁢3 pi· Er 4 4 um ml 3 2 x P 60⁢⁢0.8 t 1.8。

    Measuring apparatus, measuring system, and measuring method

    公开(公告)号:US09638575B2

    公开(公告)日:2017-05-02

    申请号:US14293039

    申请日:2014-06-02

    摘要: A measuring apparatus and a measuring method are provided. The measuring apparatus includes an optical system to condense light, a light receiving device to receive light condensed by the optical system at a plurality of light receiving positions and convert the light into an electric signal, a plurality of optical band-pass filters arranged near a lens stop of the optical system, each of the optical band-pass filters having a different spectral transmittance, a lens array arranged between the optical system and the light receiving device, the lens array having a plurality of lenses each of which is arranged substantially in parallel with a two-dimensional surface of the light receiving device, and a correction unit to correct the electric signal for each one of the plurality of light receiving positions of the light receiving device. The measuring method is performed by the measuring apparatus.

    Image capturing device and image capturing system
    50.
    发明授权
    Image capturing device and image capturing system 有权
    图像捕获设备和图像捕获系统

    公开(公告)号:US09531963B2

    公开(公告)日:2016-12-27

    申请号:US14031388

    申请日:2013-09-19

    IPC分类号: H04N5/30 H04N5/225

    CPC分类号: H04N5/30 H04N5/2254

    摘要: The image capturing device includes an optical system that focuses lights from an object to generate optical information, a filter provided near a diaphragm position of the optical system, the filter having a plurality of types of spectral characteristics, a sensor that converts the optical information of the object to electronic data, the sensor providing a plurality of spectral transmittance values that sequentially and spatially change, and a lens array having a plurality of lenses being arranged in substantially parallel in a direction of a two-dimensional surface of the sensor.

    摘要翻译: 摄像装置包括:聚焦来自物体的光以产生光学信息的光学系统;设置在光学系统的光阑位置附近的滤光器;滤光器具有多种类型的光谱特性;传感器,其将光学信息转换为 所述传感器提供顺序和空间上改变的多个光谱透射率值,以及透镜阵列,其具有在所述传感器的二维表面的方向上大致平行地布置的多个透镜。