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    • 42. 发明授权
    • Projector
    • 投影机
    • US08675145B2
    • 2014-03-18
    • US12972772
    • 2010-12-20
    • Shinichi WakabayashiEiji Yokoyama
    • Shinichi WakabayashiEiji Yokoyama
    • G02F1/1335
    • H04N9/3167G03B21/16G03B21/2066G03B21/2073H04N9/3144
    • A projector includes: a reflection-type polarizing plate which separates entering luminous flux by polarization into first linearly polarized light and second linearly polarized light whose polarization directions cross each other at right angles; a reflection-type light modulation device disposed inclined to the reflection-type polarizing plate to modulate the first linearly polarized light separated by polarization by the reflection-type polarizing plate according to image information and emit the modulated first linearly polarized light toward the reflection-type polarizing plate; a supporting body which supports the reflection-type polarizing plate and the reflection-type light modulation device; and a light shielding member disposed in an area to emit side of the second linearly polarized light which entering the reflection-type polarizing plate before modulation by the reflection-type light modulation device and separated by polarization, and connected with the supporting body.
    • 投影机包括:反射型偏振板,其将通过偏振的入射光束分离为第一直线偏振光;以及偏振方向以直角彼此交叉的第二直线偏振光; 反射型光调制装置,与反射式偏振片倾斜配置,根据图像信息调制由偏振光偏振片分离的第一线偏振光,并将调制后的第一线偏振光朝向反射型偏振光发射 偏光板; 支撑反射型偏振板和反射型光调制装置的支撑体; 以及遮光部件,其设置在发射侧的所述第二线偏振光的一侧的区域,所述第二线偏振光在被所述反射型光调制装置调制之前进入所述反射型偏振片,并且被偏振分离,并与所述支撑体连接。
    • 43. 发明授权
    • Projector
    • 投影机
    • US08632191B2
    • 2014-01-21
    • US13160006
    • 2011-06-14
    • Shinichi Wakabayashi
    • Shinichi Wakabayashi
    • G03B21/14G03B21/22G03B3/00G02B7/02G02B15/14
    • G03B21/142G03B21/147G03B2205/0092
    • A projector includes: an electro-optic device which modulates light emitted from a light source; a projection lens which projects the light modulated by the electro-optic device; and a lens shift mechanism which shifts the projection lens in a direction perpendicular to the optical axis of the projection lens, wherein the lens shift mechanism includes a shift unit which supports the projection lens and shifts the projection lens in the direction perpendicular to the optical axis, a guide unit which guides the shift of the shift unit, and a drive unit which moves the shift unit, and the drive unit includes a rotation section as a rotated part which has a first bevel gear rotating around a center axis extending in the same direction as that of the optical axis, and a transmission section which has a second bevel gear engaging with the first bevel gear and transmits the rotation of the rotation section to the shift unit.
    • 投影仪包括:调制从光源发出的光的电光装置; 投射由电光装置调制的光的投影透镜; 以及透镜移动机构,其在与投影透镜的光轴垂直的方向上移动投影透镜,其中透镜移位机构包括移动单元,该移动单元支撑投影透镜并使投影透镜沿垂直于光轴的方向移动 引导换档单元的移动的引导单元和移动换档单元的驱动单元,并且驱动单元包括作为旋转部的旋转部,该旋转部具有围绕其延伸的中心轴旋转的第一锥齿轮 方向作为光轴的方向,以及具有与第一锥齿轮啮合的第二锥齿轮并将旋转部的旋转传递给换档单元的变速部。
    • 44. 发明授权
    • Light control apparatus and projector
    • 灯光控制装置和投影仪
    • US08545027B2
    • 2013-10-01
    • US13159944
    • 2011-06-14
    • Shinichi WakabayashiKanji Yoshida
    • Shinichi WakabayashiKanji Yoshida
    • G03B21/14
    • G03B21/14
    • A light control apparatus that controls the amount of light passing therethrough by blocking part of an incident light flux, includes: a pair of pivotal members having pivotal axes extending along a direction substantially perpendicular to a central axis of the light flux; and a pair of light blocking members held by the pair of pivotal members and changing the size of a light blocking area as the pair of pivotal members pivot, the light blocking area blocking part of the light flux, wherein the pivotal axes are located in positions that overlap with an area where the light flux passes, and the pair of light blocking members are located in positions that do not overlap with the pivotal axes.
    • 一种光控制装置,其通过阻挡入射光束的一部分来控制通过其的光量,包括:一对枢转构件,其具有沿着与所述光通量的中心轴线基本垂直的方向延伸的枢轴; 以及一对遮光构件,由一对枢转构件保持,并且当所述一对枢转构件枢转时改变遮光区域的尺寸,所述遮光区域阻挡所述光束的一部分,其中所述枢转轴位于所述位置 其与光束通过的区域重叠,并且该对遮光构件位于不与枢转轴线重叠的位置。
    • 48. 发明申请
    • Encoder/decoder for optical CDMA
    • 用于光CDMA的编码器/解码器
    • US20060215956A1
    • 2006-09-28
    • US11444428
    • 2006-06-01
    • Jingo AdachiAkihiro ItohShinichi Wakabayashi
    • Jingo AdachiAkihiro ItohShinichi Wakabayashi
    • G02B6/26
    • H04J14/005
    • An encoder according to the present invention is an encoder for encoding an optical wavelength-multiplexed signal compliant with optical CDMA into a code having a code pattern, including: L optical fibers 36 and 42 (where L is an integer equal to or greater than two) each having a plurality of gratings 37 to 47; and a circulator 52 for coupling the plurality of optical fibers 36 and 42. The code pattern contains time bins t1 to t3. A plurality of wavelengths λ1, λ4 and λ5 are assigned to the time bin t1. If a sum of an optical path difference in each optical fiber from the grating which reflects the optical signal of the wavelength λ1 to the grating which reflects the optical signal of the wavelength λ4 is calculated for all of the optical fibers 36 and 42, the sum equals zero.
    • 根据本发明的编码器是用于将符合光CDMA的光波分复用信号编码成具有码模式的编码器的编码器,包括:L光纤36和42(其中L是等于或大于2的整数 ),每个具有多个光栅37至47; 以及用于连接多根光纤36和42的循环器52。 代码图案包含时间段t 1到t 3。 将多个波长λ1,λ4和λ5分配给时间段t 1。 如果针对所有光纤36和42计算出反射波长λ4的光信号的反射波长λ1的光信号的光栅的每个光纤与光栅的光程差的和, 总和等于零。