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    • 51. 发明授权
    • Illumination device and projector
    • 照明装置和投影机
    • US07008070B2
    • 2006-03-07
    • US10853159
    • 2004-05-26
    • Kazuhiro NishidaAkira Momose
    • Kazuhiro NishidaAkira Momose
    • F21V9/14
    • H04N9/315G02B5/005G02B27/283G02B27/285
    • An illumination device includes: a light source; a polarization converter (114) that converts a light beam irradiated by the light source into a substantially uniform linear polarized light, the polarization converter (114) being slanted relative to a central axis of the light beam irradiated by the light source and including a plurality of polarization-separating films (1141) and a plurality of light reflection films (1143) alternately arranged in a direction substantially orthogonal to the central axis of the light beam irradiated by the light source; an optical filter (311) provided between the light source and the polarization converter (114) and having a plurality of optical conversion layers, which are formed striped with the pitch thereof corresponding to the arrangement of the polarization-separating films (1141) to optically convert the incident light beam; a holder frame (312) that holds the optical filter (311); and a filter-driving mechanism (313) that moves the holder frame (312) in a direction in which the polarization-separating films (1141) are arranged.
    • 照明装置包括:光源; 偏振转换器(114),其将由所述光源照射的光束转换成大致均匀的线偏振光,所述偏振转换器(114)相对于由所述光源照射的所述光束的中心轴倾斜并且包括多个 的偏振分离膜(1141)和沿与光源照射的光束的中心轴大致正交的方向交替配置的多个光反射膜(1143) 设置在光源和偏振转换器(114)之间并具有多个光学转换层的滤光器(311),其被形成为具有与偏振分离膜(1141)的布置对应的间距的光学条纹 转换入射光束; 保持框架(312),其保持所述滤光器(311); 和沿着偏振分离膜(1141)的排列方向移动保持框架(312)的过滤器驱动机构(313)。
    • 52. 发明授权
    • Projection zoom lens and optical projector provided with the same
    • 投影变焦镜头和投影机配备相同
    • US06985302B2
    • 2006-01-10
    • US10765047
    • 2004-01-28
    • Kazuhiro Nishida
    • Kazuhiro Nishida
    • G02B15/14
    • G02B15/177
    • A projection zoom lens comprises a first lens group having a negative refracting power and including a single meniscus lens having an aspherical surface facing an object surface, a second lens group having positive refracting power and including a single second-group lens, a third lens group having negative refracting power and including a compound lens, a fourth lens group including a single fourth-group lens, and a fifth lens group having positive refracting power and including a single fifth-group lens. The fifth lens group is kept stationary, and the first, the second, the third and the fourth lens group are shifted on the optical axis toward the screen to increase the magnification of the projection zoom lens.
    • 投影变焦透镜包括具有负折射率的第一透镜组,并且包括具有面向物体表面的非球面的单个弯月形透镜,具有正折射率并包括单个第二组透镜的第二透镜组,第三透镜​​组 具有负折射率并且包括复合透镜,包括单个第四组透镜的第四透镜组和具有正折射率的第五透镜组并且包括单个第五组透镜。 第五透镜组保持静止,第一透镜组,第二透镜组,第三透镜​​组和第四透镜组在光轴上朝向屏幕移位,以增大投影变焦透镜的放大倍率。
    • 55. 发明授权
    • Projector and prism used therein
    • 其中使用的投影仪和棱镜
    • US06556256B1
    • 2003-04-29
    • US09516629
    • 2000-03-01
    • Hisamaro KatoKazuhiro NishidaTomiyoshi UshiyamaTakeshi Takizawa
    • Hisamaro KatoKazuhiro NishidaTomiyoshi UshiyamaTakeshi Takizawa
    • H04N574
    • H04N9/3114G02B5/04
    • A projector of the type which uses an optical modulator that modulates light by controlling the emitting direction of light applied to a light illumination surface in accordance with image information is provided with a reduction in size. In the projector a prism has a selective reflection/transmission surface which reflects illumination light emitted from an illumination optical system and impinging thereupon, and causes the illumination light to impinge upon the light illumination surface of an optical modulator at a predetermined angle. The prism allows the modulated light emitted from the optical modulator to be transmitted therethrough and emits the light to the projection optical system. The selective reflection/transmission surface is formed such that when the optical path of the illumination light is projected onto a plane parallel to the light illumination surface, the inclination of the central axis of the illumination light emitted from the illumination optical system and impinging upon the selective reflection/transmission surface is different from the inclination of the central axis of the illumination light reflected by the selective reflection/transmission surface and impinging upon the light illumination surface.
    • 使用通过根据图像信息控制施加到光照明表面的光的发射方向来调制光的类型的投影仪具有减小的尺寸。 在投影仪中,棱镜具有选择性反射/透射表面,其反射从照明光学系统发射的照射光并入射其上,并使照明光以预定角度照射在光学调制器的光照射面上。 棱镜允许从光调制器发射的调制光透射通过,并将光发射到投影光学系统。 选择反射/透射表面被形成为使得当照明光的光路投射到平行于光照射面的平面上时,从照明光学系统发射的照射光的中心轴的倾斜度和撞击在 选择反射/透射表面与由选择反射/透射表面反射的照明光的中心轴线的倾斜度不同,并且照射在光照射面上。
    • 56. 发明授权
    • Molecular design support system
    • 分子设计支持系统
    • US5572439A
    • 1996-11-05
    • US446300
    • 1996-05-22
    • Kazuhiro NishidaTakaaki Harada
    • Kazuhiro NishidaTakaaki Harada
    • G06F17/50G06F19/00G06T11/20
    • G06F19/709G06T11/206G06F19/706G06F19/708
    • A molecular design support system comprises a display device, a database for storing information about atoms forming a molecule in terms of atomic component information, and a processing unit for manipulating the atomic component information to assemble a molecular structure in terms of the atomic components. The atomic component information in turn comprises atomic data and bond data, wherein the atomic data comprises: identification data for identifying the atom forming the atomic component; the coordinate of the foregoing atom; the number of the orbitals associated to the atom; and the coordinate showing the position of free end of the orbital included in the atomic component. Bond data comprises: identification data for identifying the atom that is bonded to the free end of the orbital in the atomic component; identification data for identifying the orbital associated with the atom that is bonded to the foregoing free end; and identification data for identifying the bond order of a bond that is established between the atom forming said atomic component and the atom that is attached to the free end.
    • 分子设计支持系统包括显示装置,用于存储关于原子分量信息形成分子的原子的信息的数据库,以及用于操纵原子分量信息以组合原子分量的分子结构的处理单元。 原子分量信息又包括原子数据和键合数据,其中原子数据包括:用于识别形成原子分量的原子的识别数据; 上述原子的坐标; 与原子相关的轨道数; 以及表示原子成分中包含的轨道的自由端的位置的坐标。 债券数据包括:用于识别键合到原子成分中轨道的自由端的原子的识别数据; 用于识别与与上述自由端结合的原子相关联的轨道的识别数据; 以及用于识别在形成所述原子成分的原子与附着于自由端的原子之间建立的键的键合顺序的识别数据。
    • 58. 发明授权
    • Illumination apparatus and projector having the same
    • 具有相同的照明装置和投影仪
    • US08469523B2
    • 2013-06-25
    • US12684563
    • 2010-01-08
    • Kenshi SakaiKazuhiro NishidaKatsumi Tanaka
    • Kenshi SakaiKazuhiro NishidaKatsumi Tanaka
    • G03B21/26G03B21/28G02B5/08G02B7/182F21V1/00F21V11/00
    • G03B21/28
    • An illumination apparatus includes: first and second lamps; and a combining mirror configured to combine emitted lights from the first and second lamps The combining mirror includes first and second reflection surfaces opposing the first and second lamps respectively, being abutted vertically with respect to each other, whereby forming an edge. Since optical axes of the first and second lamp are respectively inclined with respect to a reference axis being orthogonal to a system optical axis of the illumination apparatus, central axes of the lights from the first and second lamps are incident on a downstream optical system in a state of being slightly inclined with respect to the system optical axis after being reflected on the first and second reflection surfaces respectively.
    • 照明装置包括:第一和第二灯; 以及组合镜,其被配置为组合来自第一和第二灯的发射光。组合镜包括分别与第一和第二灯相对的第一和第二反射表面,其相对于彼此垂直抵接,由此形成边缘。 由于第一灯和第二灯的光轴分别相对于与照明装置的系统光轴正交的基准轴倾斜,所以来自第一和第二灯的光的中心轴入射在下游光学系统中 在分别在第一和第二反射面上反射之后相对于系统光轴稍微倾斜的状态。