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    • 1. 发明申请
    • IMAGE DISPLAY APPARATUS
    • 图像显示设备
    • US20100245773A1
    • 2010-09-30
    • US12675244
    • 2008-08-25
    • Shinichi Arita
    • Shinichi Arita
    • G02B27/48G02F1/03G02F1/035G03B21/14
    • G02B27/48G02B27/1033G02B27/104G02B27/145G03B21/005
    • To provide an image display apparatus in which provision of a mechanical mechanism is not required for reducing an effect of a speckle noise that is generated when a coherent light is used as a light source and a noise can be suppressed. An image display apparatus (1) changes phase of a light emitted from a light source device (a laser light source device (10) including laser light sources (10a to 10c) for each of R, G, and B colors is shown as a sample) at high speed by a phase change portion including an electro-optical crystal (phase change portions (12a to 12c) corresponding to each laser are shown as a sample). Therefore, because an interference pattern on a screen (16) changes at high speed and it is averaged by the human eye, the speckle noise can be reduced.
    • 提供一种图像显示装置,其中不需要提供机械机构来减少当使用相干光作为光源时产生的散斑噪声的影响并且可以抑制噪声。 图像显示装置(1)将从光源装置(包括用于R,G和B颜色的每一个的激光源(10a至10c)的激光源装置(10))发射的光改变为相位,显示为 样品),通过包括电光晶体的相变部分(相应于每个激光器的相变部分(12a至12c))示出为样品)。 因此,由于屏幕(16)上的干涉图案以高速度变化并且被人眼平均化,所以可以减少斑点噪声。
    • 4. 发明授权
    • Zoom lens
    • 变焦镜头
    • US06342973B1
    • 2002-01-29
    • US09557293
    • 2000-04-25
    • Syuichi KikuchiYuichi NakanoAtsuo MinatoShinichi AritaYusuke Nanjo
    • Syuichi KikuchiYuichi NakanoAtsuo MinatoShinichi AritaYusuke Nanjo
    • G02B1514
    • G02B15/173
    • A zoom lens comprising a first lens group having a positive refracting power and its position fixed, a second lens group having a negative refracting power and displacable mainly for magnification, a third lens group having a positive refracting power and its position fixed, and a fourth lens group having a positive refracting power and displacable mainly for correction of the focal position for magnification and focusing. The first lens group includes, viewed from an object, a cemented lens consisting of a first lens which is a concave meniscus lens having a convex surface facing the object side and a second lens which is a convex lens, and a third lens which is a convex meniscus lens having a convex surface facing the object side; the second lens group, viewed from an object, includes a fourth lens which is a concave meniscus lens having a convex surface facing the object side, and a cemented lens consisting of a fifth lens which is a both-side-concave lens, and a sixth lens which is a convex lens; the third lens group includes a seventh lens which is a convex lens; and the fourth lens group, viewed from an object, includes a cemented lens consisting of an eighth lens which is a convex lens having a convex surface facing the object side, a ninth lens which is a concave lens, and a tenth lens which is a convex lens, and wherein the third lens group includes at least one surface constituted by an aspherical surface and in the fourth lens group, at least the surface which is at the object side is constituted by an aspherical surface.
    • 一种变焦透镜,包括具有正折射率的第一透镜组和其位置固定的第二透镜组,具有负折射率并主要放大的第二透镜组,具有正折射率的第三透镜组及其位置固定;以及第四透镜组 具有正折射力的透镜组,并且主要用于校正放大和聚焦的焦点位置。 从物体观察,第一透镜组包括由作为具有面向物体侧的凸面的凹面弯月形透镜的第一透镜和作为凸面透镜的第二透镜构成的胶合透镜,以及第三透镜, 凸凹面透镜,其具有面向物体侧的凸面; 从物体观察的第二透镜组包括:第四透镜,其是具有面向物体侧的凸面的凹弯月形透镜;以及胶合透镜,其由作为双侧凹透镜的第五透镜和 第六透镜是凸透镜; 第三透镜组包括作为凸透镜的第七透镜; 从物体观察的第四透镜组包括由作为凸面朝向物侧的凸透镜的第八透镜,作为凹透镜的第九透镜和作为凹透镜的第十透镜构成的胶合透镜, 并且其中所述第三透镜组包括由非球面构成的至少一个表面,并且在所述第四透镜组中,至少所述物体侧的表面由非球面构成。
    • 8. 发明申请
    • Color cathode-ray tube
    • 彩色阴极射线管
    • US20070085465A1
    • 2007-04-19
    • US11513088
    • 2006-08-30
    • Hiroshi SakuraiShinichi Arita
    • Hiroshi SakuraiShinichi Arita
    • H01J29/86H01J29/92
    • H01J29/07H01J2229/0794
    • A shadow mask includes a perforated region in which a plurality of electron beam passage apertures are formed, a non-perforated region on the periphery of the perforated region, and a skirt portion bent to an electron gun side with respect to the non-perforated region. The curved surfaces on an x-axis and a y-axis of the perforated region are convex to a panel side. The perforated region includes a curved surface that is convex to the panel side and a curved surface that is convex to the electron gun side on a periphery of the perforated region. Furthermore, the perforated region has a curved surface that is convex to the panel side and a curved surface that is convex to the electron gun side in a region surrounded by the periphery, the x-axis, and the y-axis. Because of this, the color displacement caused by doming can be reduced while a shadow mask is used which is made of an inexpensive iron material, and in which the increase in the difference in elevation in the z-axis direction between a center portion and a diagonal portion of the perforated region is suppressed.
    • 荫罩包括其中形成有多个电子束通过孔的穿孔区域,穿孔区域的周边上的非穿孔区域和相对于非穿孔区域弯曲到电子枪侧的裙部部分 。 穿孔区域的x轴和y轴上的弯曲表面对于面板侧是凸的。 穿孔区域包括在面板侧凸起的弯曲表面和在穿孔区域的周边上向电子枪侧凸起的弯曲表面。 此外,穿孔区域具有与面板侧凸起的弯曲表面和在由周边,x轴和y轴包围的区域中与电子枪侧凸起的弯曲表面。 因此,可以减少由拱形引起的颜色偏移,而使用由便宜的铁材料制成的荫罩,并且其中z部分的中心部分和 穿孔区域的对角线部分被抑制。
    • 9. 发明申请
    • Color cathode-ray tube
    • 彩色阴极射线管
    • US20060279194A1
    • 2006-12-14
    • US11417600
    • 2006-05-04
    • Shinichi AritaHideaki EtoHiroshi Sakurai
    • Shinichi AritaHideaki EtoHiroshi Sakurai
    • H01J29/80
    • H01J29/07H01J2229/0727H01J2229/0788
    • A substantially rectangular shadow mask in a dome shape includes a plurality of tie-bands with a longitudinal direction thereof being a short-side direction of the shadow mask, a plurality of bridges connecting the tie-bands adjacent to each other in a long-side direction of the shadow mask, and a plurality of electron beam passage apertures formed between the tie-bands. In a region sandwiched by a pair of straight lines parallel to the long-side direction, which respectively pass through a pair of the bridges adjacent to each other in the short-side direction, on a surface of the tie-band on a side opposed to a panel, a plurality of non-through concave portions are formed. Consequently, color displacement caused by heat doming of the shadow mask can be suppressed.
    • 圆顶形状的大致矩形的荫罩包括长边方向为荫罩的短边方向的多个连接带,在长边方向连接相邻的连接带的多个桥 阴影掩模的方向,以及形成在连接带之间的多个电子束通过孔。 在被夹持在与短边方向相邻的一对桥的长边方向平行的一对直线夹持的区域中,在相对侧的相反侧的表带上 形成面板,形成多个非贯通凹部。 因此,可以抑制由荫罩的热拱起引起的颜色位移。
    • 10. 发明申请
    • Zoom lens and image pickup apparatus
    • 变焦镜头和摄像设备
    • US20060055815A1
    • 2006-03-16
    • US10542087
    • 2003-12-12
    • Yusuke NanjoShinichi Arita
    • Yusuke NanjoShinichi Arita
    • H04N5/225
    • H04N5/23296G02B15/173
    • A zoom lens made up of a first lens group having positive refracting power, a second lens group having negative refracting power, a third lens group having positive refracting power, and a fourth lens group having positive refracting power, which are disposed in order from an object side, in which the first lens group and the third lens groups are stationary, and the zoom lens performs mainly variable power by shifting the second lens group in an optical axis direction, and performs correction for image position fluctuations and focusing by shifting the fourth lens group in the optical axis direction, is characterized in that the first lens group is composed of five lenses: a concave lens; a convex lens with a strong convexity facing to an image side; a cemented lens made up of a concave lens with a strong concavity facing to the image side, and a convex lens; and a convex lens with a strong convexity facing to the object side, which are disposed in order from the object side, and by satisfying each of the following conditional expressions: 1.25
    • 由具有正折射率的第一透镜组,具有负折射力的第二透镜组,具有正折射率的第三透镜组和具有正折射率的第四透镜组构成的变焦透镜,其从 物镜侧,其中第一透镜组和第三透镜组是静止的,并且变焦透镜主要通过在光轴方向上移动第二透镜组来执行可变功率,并且通过将第四透镜组和第四透镜组的第四透镜组 透镜组在光轴方向上的特征在于,第一透镜组由五个透镜组成:凹透镜; 具有朝向图像侧的强凸度的凸透镜; 由具有朝向像侧的强凹面的凹透镜构成的胶合透镜和凸透镜; 以及从物体侧依次设置具有朝向物体侧的强凸度的凸透镜,并且通过满足以下每个条件表达式