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    Optical filter
    61.
    发明授权
    Optical filter 有权
    滤光片

    公开(公告)号：US06849327B1

    公开(公告)日：2005-02-01

    申请号：US09979027

    申请日：2000-06-15

    Applicant: Isao Ikuhara ,  Tsukasa Yamada ,  Takumi Ando

    Inventor： Isao Ikuhara ,  Tsukasa Yamada ,  Takumi Ando

    IPC: C09D125/10 ,  G02B1/11 ,  G02B1/111 ,  G02B5/20 ,  G02B5/22 ,  H01J11/44 ,  B32B9/02

    CPC classification number: C09D125/10 ,  G02B1/11 ,  G02B5/20 ,  G02B5/205 ,  G02B5/22 ,  Y10T428/261 ,  Y10T428/265 ,  Y10T428/269 ,  Y10T428/31507 ,  Y10T428/31681 ,  Y10T428/31768 ,  Y10T428/31786 ,  Y10T428/31909 ,  Y10T428/31924 ,  Y10T428/31935

    Abstract: An optical filter comprising a filter layer absorbing visible light, a transparent support, in particular a transparent support comprising a biaxially stretched film, and an antireflection layer, with which an image display such as a plasma display is equipped for preventing reflection and improving color reproduction. An optical filter comprising a transparent support having provided at least on one side of the support a filter layer containing a dye and a polymer binder, wherein an antireflection layer having an antireflection property to visible light is provided on the side opposite to the side on which the filter layer is provided when the filter layer is provided on either one side, and the antireflection layer is provided on either one side when the filter layers are provided on both sides, and the transparent support comprises a biaxially stretched film having a thickness of from 10 to 500 μm.

    Abstract translation: 包括吸收可见光的滤光层的光学滤光器，透明支撑体，特别是包括双轴向拉伸膜的透明支撑体和抗反射层，其中配备诸如等离子体显示器的图像显示器，用于防止反射和改善颜色再现 。 一种光学滤波器，包括透明支撑体，所述透明支撑体至少在所述支撑体的一侧具有包含染料和聚合物粘合剂的过滤层，其中在与所述透明支撑体的一侧相反的一侧上设置有对可见光具有抗反射性的抗反射层， 当在一侧设置过滤层时设置过滤层，当两侧设置过滤层时，在一侧设置防反射层，透明支撑体由双轴拉伸膜构成，该双轴拉伸膜的厚度为 10到500个妈妈

    Method of manufacturing ND filter, and aperture device and camera having ND filter
    63.
    发明申请
    Method of manufacturing ND filter, and aperture device and camera having ND filter 有权
    ND滤光片的制造方法以及具有ND滤光片的光圈装置和照相机

    公开(公告)号：US20040021967A1

    公开(公告)日：2004-02-05

    申请号：US10630888

    申请日：2003-07-30

    Inventor： Michio Yanagi ,  Fumie Ishii ,  Masayuki Uchiyama ,  Takayuki Wakabayashi

    IPC: G02B005/22

    CPC classification number: G02B5/205

    Abstract: The present invention provides a method of manufacturing an ND filter having a gradation density distribution, the ND filter, and an aperture device and a camera having the ND filter. A structure thereof is as follows. The method of manufacturing an ND filter having at least two kinds of films on a substrate includes the steps of: forming a film of at least one layer other than an outermost layer having a gradation density distribution while rotating a slit mask integrally with the substrate; and forming a film of the outermost layer without using the slit mask.

    Abstract translation: 本发明提供一种制造具有灰度密度分布的ND滤光器，ND滤光器以及具有ND滤光片的光圈装置和照相机的方法。 其结构如下。 制造在基板上具有至少两种膜的ND滤光器的方法包括以下步骤：在与基板一体地旋转狭缝掩模的同时，形成具有层间密度分布的最外层以外的至少一层的膜; 并且不使用狭缝掩模来形成最外层的膜。

    Production process of light amount adjustment member, light amount adjustment member, light amount adjustment device and photographing apparatus
    64.
    发明申请
    Production process of light amount adjustment member, light amount adjustment member, light amount adjustment device and photographing apparatus 有权
    光量调节构件，光量调节构件，光量调节装置和拍摄装置的制造过程

    公开(公告)号：US20030174196A1

    公开(公告)日：2003-09-18

    申请号：US10367862

    申请日：2003-02-19

    Applicant: Canon Kabushiki Kaisha

    Inventor： Masataka Yashima ,  Ichiro Onuki ,  Takeshi Miyazaki ,  Akio Kashiwazaki ,  Eriko Namazue

    IPC: B41J002/01

    CPC classification number: G02B5/205 ,  G02B5/22

    Abstract: A production process of a light amount adjustment member, by which a cheap light amount adjustment member hating excellent optical properties can be simply produced is provided. A light amount adjustment device and a photographing apparatus which are cheap, have excellent optical properties and are equipped with the light amount adjustment member are provided by providing the simple production process of the light amount adjustment member. The production process comprises the step of relatively scanning an ink-jet head, from which an ink is ejected on a transparent base material, on the surface of which an ink-receiving layer has been formed, to the transparent base material to apply the ink to the ink-receiving layer, thereby forming a light amount adjustment region, wherein in the step of forming the light amount adjustment region, the ink is ejected from the ink-jet head in such a manner that the ink is applied to the whole light amount adjustment region.

    Abstract translation: 提供了一种光量调节部件的制造方法，通过该光量调节部件，可以简单地制造出具有优异的光学特性的便宜的光量调节部件。 通过提供光量调节构件的简单制作处理，提供了廉价的光量调节装置和拍摄装置，具有优异的光学特性并配备有光量调节构件。 该制造方法包括将喷墨头相对扫描的步骤，将喷墨头从其上形成有油墨接收层的透明基材喷射到透明基材上以施加墨水 从而形成光量调节区域，其中在形成光量调节区域的步骤中，从喷墨头喷射油墨，使得油墨被施加到整个光线 金额调整区域。

    Light quantity adjusting device, optical system having the same, and image taking apparatus
    65.
    发明申请
    Light quantity adjusting device, optical system having the same, and image taking apparatus 有权
    光量调节装置，具有该光量调节装置的光学系统和摄像装置

    公开(公告)号：US20030086014A1

    公开(公告)日：2003-05-08

    申请号：US10318753

    申请日：2002-12-13

    Inventor： Yasunori Murata ,  Takeshi Koyama

    IPC: H04N005/238

    CPC classification number: G02B5/205 ,  G02B5/005 ,  H04N5/2254 ,  H04N5/238

    Abstract: An optical performance is deteriorated by a minute phase difference of transmission wave front of an ND filter. In a light quantity adjusting device which includes an ND filter (P1) for attenuating a quantity of light passing through an aperture formed by diaphragm blades (S11 and S12) and in which a cover ratio of the aperture by the ND filter (P1) is changed, setting is conducted such that a phase difference between lights with a predetermined wavelength null which pass through regions (N11, N12, and N13) of the ND filter (P1) with different transmittances inside the aperture becomes substantially 0null, substantially 1null, or substantially 2null in a state in which the aperture is completely covered with the ND filter (P1).

    Abstract translation: ND滤波器的发射波前的微小相位差使光学性能恶化。 在一种光量调节装置中，该光量调节装置包括用于衰减通过由光阑叶片形成的孔径的光量的ND滤光器（S11），并且其中ND滤光片（P1）的孔径覆盖率为 进行设定，使得通过在孔径内具有不同透射率的ND滤光器（P1）的通过区域（N11，N12和N13）的区域（N11，N12和N13）的预定波长长度的光之间的相位差变得基本上为0lambd，基本上为1lambd，或 在其中孔径被ND滤光器（P1）完全覆盖的状态下基本上为2lambd。

    Variable optical attenuator
    66.
    发明申请
    Variable optical attenuator 有权
    可变光衰减器

    公开(公告)号：US20010021302A1

    公开(公告)日：2001-09-13

    申请号：US09765059

    申请日：2001-01-17

    Inventor： Martin Jaspan

    IPC: G02B006/26 ,  G02B005/22

    CPC classification number: G02B5/205

    Abstract: A method and apparatus for variable optical attenuation is disclosed. A variable optical attenuator is provided having a housing. Within the housing, a filter is mounted on a drive shaft of a motor such that the drive shaft passes through a substantially center point of the filter. The filter has a monotonically increasing filter gradient that begins at a lower optical density and gradually increases in optical density in a diametrical pattern. An input optical fiber provides a light signal to be attenuated. The input optical fiber introduces the light signal, which passes through a first collimator, through the filter, through a second collimator, and to an output optical fiber which exits the housing. When activated, the motor rotates the drive shaft to position the filter to a desired attenuation position for attenuating the light signal.

    Abstract translation: 公开了一种用于可变光衰减的方法和装置。 提供具有壳体的可变光衰减器。 在壳体内，过滤器安装在电动机的驱动轴上，使得驱动轴穿过过滤器的大致中心点。 滤光器具有逐渐增加的滤光器梯度，其以较低的光密度开始，并且以直径图案逐渐增加光密度。 输入光纤提供要衰减的光信号。 输入光纤将通过第一准直仪的光信号通过第二准直仪通过滤光器，并输出到离开壳体的输出光纤。 当激活时，电机旋转驱动轴，将滤波器定位到所需的衰减位置，以衰减光信号。

    Light amplitude modulation with neutral density filters
    67.
    发明授权
    Light amplitude modulation with neutral density filters 失效
    中等密度滤光片的光振幅调制

    公开(公告)号：US5812303A

    公开(公告)日：1998-09-22

    申请号：US698676

    申请日：1996-08-15

    Applicant: Gregory J. Hewlett ,  Vishal Markandey ,  Gregory S. Pettitt

    Inventor： Gregory J. Hewlett ,  Vishal Markandey ,  Gregory S. Pettitt

    IPC: G02B5/20 ,  G02B7/00 ,  H04N9/31 ,  G02B26/08

    CPC classification number: H04N9/3114 ,  G02B26/008 ,  G02B5/205 ,  G02B26/023

    Abstract: A system and method for increasing the number of bits available for use in a video display system that includes at least one spatial light modulator. The system uses a wheel (30) of three colors, or a color wheel that is clear, including at least one segment (34) which has a lower intensity region, referred to as a neutral density filter. Alternately, the filter could be a liquid crystal controller to control either light amplitude or color. By using a lower intensity region, the amount of time available to process the least significant bit of the data sample is lengthened, thereby eliminating the constraint on the number of bits available for display.

    Abstract translation: 一种用于增加可用于包括至少一个空间光调制器的视频显示系统中的位数的系统和方法。 该系统使用三种颜色的轮（30）或清晰的色轮，包括至少一个具有较低强度区域的段（34），称为中性密度滤光片。 或者，过滤器可以是液晶控制器来控制光幅度或颜色。 通过使用较低强度区域，可以处理数据样本的最低有效位的可用时间量被延长，从而消除对可用于显示的位数的约束。

    Position sensor with half tone optical gradient wedge
    68.
    发明授权
    Position sensor with half tone optical gradient wedge 失效
    带半色调光学渐变楔的位置传感器

    公开(公告)号：US5576830A

    公开(公告)日：1996-11-19

    申请号：US447872

    申请日：1995-05-23

    Applicant: Michael J. O'Brien ,  Jeffrey R. Hawver ,  Andrea S. Rivers

    Inventor： Michael J. O'Brien ,  Jeffrey R. Hawver ,  Andrea S. Rivers

    IPC: G01D5/347 ,  G02B5/20 ,  G02B7/00 ,  G03B7/10 ,  H01L31/12 ,  G01B11/00

    CPC classification number: G03B7/10 ,  G02B26/023 ,  G02B5/205

    Abstract: A position sensor having an opto sensor and an optical density gradient wedge photo interrupter in which the gradient wedge comprises a half tone dot pattern preferably photographically reproduced in a photosensitive medium. In a preferred embodiment, the half tone dots are formed with microdots that are cumulated to increase the density of the half tone dots. In regions of density variations where the half tone dots change shape between round and square (in both solid fill and open fill dots), a random fill pattern is employed to enhance the linearity of the sensor output signal. The beam width of the opto sensor is uncollimated and focused to cover at least three pixel widths of the half tone dot pattern where each pixel is formed of at least four half tone dot areas.

    Abstract translation: 一种具有光学传感器和光密度梯度楔形光电断续器的位置传感器，其中梯度楔包括优选在感光介质中照相再现的半色调点图案。 在优选实施例中，半色调点形成为具有累积以增加半色调点的浓度的微点。 在半色调点在圆形和正方形之间变化的密度变化区域（在固体填充和填充点）中，采用随机填充图案来增强传感器输出信号的线性度。 光传感器的光束宽度被未对准并聚焦以覆盖半色调点图案的至少三个像素宽度，其中每个像素由至少四个半色调点区域形成。

    Jitter reduction in an overfilled raster output polygon scanner system
    69.
    发明授权
    Jitter reduction in an overfilled raster output polygon scanner system 失效
    过满的光栅输出多边形扫描仪系统中的抖动减少

    公开(公告)号：US5539441A

    公开(公告)日：1996-07-23

    申请号：US149356

    申请日：1993-11-09

    Applicant: James J. Appel ,  Susan E. Dunn

    Inventor： James J. Appel ,  Susan E. Dunn

    IPC: G02B26/10 ,  G02B5/20 ,  G02B26/12 ,  B41J2/47

    CPC classification number: G02B5/205 ,  G02B26/124

    Abstract: In an overfilled polygon ROS architecture, fast scan jitter is reduced by uniformly illuminating the overfilled facets. In one embodiment, the collimator lens is designed with a long focal length to transmit only the more uniform central portion of the Gaussian shaped intensity profile output of a laser diode. In another embodiment, the light level at the polygon facet is made uniform by introducing a variable transmission filter along the optical path.

    Abstract translation: 在过满的多边形ROS架构中，通过均匀地照亮过满的刻面来减少快速扫描抖动。 在一个实施例中，准直透镜被设计为具有长焦距以仅传输激光二极管的高斯形强度分布输出的更均匀的中心部分。 在另一个实施例中，通过沿光路引入可变透射滤光片，使得多边形小面处的光级均匀。

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