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    • 41. 发明授权
    • Laser machining apparatus
    • 激光加工设备
    • US07473867B2
    • 2009-01-06
    • US11037222
    • 2005-01-19
    • Kazuhisa IshiiFumio Watanabe
    • Kazuhisa IshiiFumio Watanabe
    • B23K26/02B23K26/08
    • B23K26/043
    • A laser machining apparatus that excels in precision in terms of machining position and shape is provided with an optical axis adjusting unit disposed on a basal optical axis of a laser beam outputted from a laser oscillator so as to adjust the laser beam outputted from the laser oscillator onto a workpiece. The laser machining apparatus is provided further with mirrors, disposed between the laser oscillator and the optical axis adjusting unit, for freely deflecting the optical axis of the laser beam. The laser machining apparatus also includes an optical axis position detecting means, disposed between the optical axis adjusting unit and the optical axis deflecting means, for detecting the position of the optical axis of the laser beam. The apparatus aligns the optical axis of the laser beam incident on the optical axis adjusting unit with the basal optical axis by means of the mirrors based on a result detected by the optical axis position detecting means.
    • 在加工位置和形状方面精度优异的激光加工装置设置有设置在从激光振荡器输出的激光束的基础光轴上的光轴调节单元,以便调节从激光振荡器输出的激光束 到工件上。 激光加工装置还设置有设置在激光振荡器和光轴调节单元之间的反射镜,用于自由地偏转激光束的光轴。 激光加工装置还包括光轴位置检测装置,设置在光轴调整单元和光轴偏转装置之间,用于检测激光束的光轴的位置。 该装置基于由光轴位置检测装置检测到的结果,通过反射镜将入射在光轴调节单元上的激光束的光轴与基准光轴对准。
    • 43. 发明授权
    • Zoom lens and projection display device using the zoom lens
    • 变焦镜头和投影显示设备使用变焦镜头
    • US07227693B2
    • 2007-06-05
    • US11172851
    • 2005-07-05
    • Kimiaki NakazawaFumio Watanabe
    • Kimiaki NakazawaFumio Watanabe
    • G02B15/14
    • G02B13/22G02B15/177
    • A zoom lens for a projection display device includes, in order from the enlarging side, a first lens group having negative refractive power and that is stationary during zooming, second and third lens groups having positive refractive power, a fourth lens group that has refractive power that is much weaker in absolute value than the refractive powers of the other lens groups, and a fifth lens group having positive refractive power and that is stationary during zooming. The second, third, and fourth lens groups move with coordinated movements continuously toward the enlarging side during zooming from the wide-angle end to the telephoto end of the zoom range. The zoom lens satisfies certain conditions related to focal lengths of the zoom lens and lens groups and distances along the optical axis. A projection display device uses the zoom lens.
    • 用于投影显示装置的变焦透镜从放大侧依次包括具有负折光力并且在变焦期间是静止的第一透镜组,具有正屈光力的第二透镜组和第三透镜组,具有屈光力的第四透镜组 其绝对值比其他透镜组的折射力弱得多,并且具有正屈光力并且在变焦期间是静止的第五透镜组。 第二,第三和第四透镜组在从变焦范围的广角端到望远端变焦期间,以协调的运动连续地朝向放大侧移动。 变焦镜头满足与变焦镜头和镜头组的焦距以及沿着光轴的距离有关的某些条件。 投影显示装置使用变焦镜头。
    • 44. 发明授权
    • Heating device and heating method
    • 加热装置及加热方式
    • US07091443B2
    • 2006-08-15
    • US10831658
    • 2004-04-26
    • Reiki WatanabeFumio Watanabe
    • Reiki WatanabeFumio Watanabe
    • B23K10/00
    • H01L21/67109
    • A heating device includes a first electrode and a second electrode including a planar portion providing a support surface for supporting an object to be heated in an external gaseous atmosphere to which the object to be heated and the support surface are exposed. The second electrode is formed as an enclosure enclosing and spaced from at least a portion of first electrode to define an interior space therebetween isolated from the external gaseous atmosphere. An exhaust port provides communication with the interior space for reducing the pressure within the interior space. A power supplies current between the first and second electrodes to produce an electric discharge within the internal space, thereby heating the second electrode and the object supported thereon.
    • 加热装置包括第一电极和第二电极,第二电极包括平面部分,该平面部分提供用于支撑被加热物体和支撑表面暴露于的外部气体气氛中的被加热物体的支撑表面。 第二电极形成为封闭并与第一电极的至少一部分间隔开的外壳,以在其间隔开与外部气体气氛隔离的内部空间。 排气口提供与内部空间的连通以减小内部空间内的压力。 A在第一和第二电极之间提供电流,以在内部空间内产生放电,从而加热第二电极和支撑在其上的物体。
    • 45. 发明授权
    • Illumination optical system and liquid crystal projector apparatus using the same
    • 照明光学系统和使用其的液晶投影仪设备
    • US06219112B1
    • 2001-04-17
    • US09197673
    • 1998-11-23
    • Kazuya YoneyamaFumio Watanabe
    • Kazuya YoneyamaFumio Watanabe
    • G02F11335
    • G02B27/0927G02B27/0961G02B27/283H04N5/7441H04N9/3105H04N9/3141H04N9/3167
    • In an illumination optical system and a liquid crystal projector apparatus using the same, two lens arrays each comprising linear convex lens arrays with their pitches shifted from each other are used for improving image quality such as not to generate shadows of the cementing ridge of a cross dichroic prism, and a polarization-converting optical system is appropriately disposed, so as to obtain uniform illumination effects efficiently. The vertical angle ridge 71 of four prisms constituting the cross dichroic prism 70 is disposed so as to be orthogonal to the optical axis, the polarization-converting optical system 3 is disposed such that a plane including the vertical angle ridge 71 and optical axis and the direction along which stripes of half-wavelength phase films 32 extend are orthogonal to each other, and the direction of shifting the lens columns of a plurality of linear convex lens arrays constituting the first and second lens arrays 21 and 22 is orthogonal to the plane.
    • 在照明光学系统和使用该照明光学系统的液晶投影仪装置中,使用两个透镜阵列,每个透镜阵列都具有彼此间距偏移的线性凸透镜阵列,以提高图像质量,例如不产生交叉的固井脊的阴影 二向色棱镜和偏光转换光学系统被适当地设置,以便有效地获得均匀的照明效果。 构成十字分色棱镜70的四个棱镜的垂直角脊71配置成与光轴正交,偏光转换光学系统3被设置成使得包括垂直角脊71和光轴的平面和 半波长相位膜32的延伸方向彼此正交的方向,并且构成第一和第二透镜阵列21和22的多个线性凸透镜阵列的透镜列的移动方向与该平面正交。
    • 47. 发明授权
    • Key switch
    • 钥匙开关
    • US5512722A
    • 1996-04-30
    • US160960
    • 1993-12-02
    • Kumio OzekiFumio WatanabeHaruo YoshidaOsam KamishimaYosuke Sakai
    • Kumio OzekiFumio WatanabeHaruo YoshidaOsam KamishimaYosuke Sakai
    • H01H13/14H01H13/20H01H13/705H01H13/712H01H13/12
    • H01H13/705H01H13/20H01H2215/02H01H2229/064H01H2233/074H01H2235/002H01H2235/026H01H2235/03
    • A membrane switch is actuated by pressure transmitted from a movable key member through two coaxial springs connected end-to-end. A first of the two springs is held by the key member in a partially strained state requiring an initial force to strain it further. The second spring, smaller in diameter and stiffer than the first, has a free end at which force is applied to the membrane switch. As a top of the key member is pressed, the free end of the second spring moves toward, touches, then presses the membrane switch. Force builds rapidly with displacement in the small spring until it reaches the initial force under which the first spring is retained. This initial force is made roughly equal to the force required to actuate the membrane switch. After that point, the force-displacement characteristic is that of the two-spring combination, which is less stiff than the second spring alone. Thus, long key travel is permitted while the actuation force is reached early in the displacement of the key member. In one embodiment, a resilient boot, covering a key stem of the key switch, buckles when the key is pressed to provide a click-like feedback to an operator.
    • 薄膜开关通过从可移动键构件通过端对端连接的两个同轴弹簧传递的压力致动。 两个弹簧中的第一弹簧由部件处于部分应变状态下被保持,需要初始力使其进一步变形。 第二弹簧的直径小于第一弹簧,比第一弹簧更硬,具有向膜开关施加力的自由端。 当按压按键部件的顶部时,第二弹簧的自由端朝向接触,然后按压薄膜开关。 力在小弹簧中随着位移快速建立,直到达到保持第一弹簧的初始力。 该初始力大致等于致动薄膜开关所需的力。 此后,力 - 位移特性是双弹簧组合的力 - 位移特性,其刚度比单独的第二弹簧硬。 因此,在键构件的移动早期达到致动力的同时允许长键行程。 在一个实施例中,覆盖钥匙开关的钥匙杆的弹性护套在按下钥匙时弯曲,以向操作者提供点击状反馈。
    • 48. 发明授权
    • Objective with large aperture ratio
    • 目的是大孔径比
    • US5299065A
    • 1994-03-29
    • US20770
    • 1993-02-22
    • Fumio Watanabe
    • Fumio Watanabe
    • G02B13/16G02B9/62
    • G02B13/16
    • An objective lens comprising, respectively from the object: a first element of a positive lens, at the object end thereof, having a convex surface; a second element of a positive meniscus lens, at the object end thereof, having a convex surface; a third element of a negative lens, at the image end thereof, having a concave surface; a fourth element of a single lens or a cemented lens, at the object end thereof, having a convex surface, wherein the cemented lens includes two or three lenses; a fifth element of a negative lens, at the object end thereof, having a concave surface; and a sixth element of a positive lens, at the object end thereof, having a convex surface. The objective lens satisfies the following three conditional equations, assuming that "f" designates the focal distance of the entire lens system:0.44f
    • 1.一种物镜,其特征在于,具有:凸面;所述物镜分别具有凸面; 正弯月透镜的第二元件在其物体端具有凸面; 负透镜的第三元件在其图像端具有凹面; 单个透镜或胶合透镜的第四个元件在其目标端具有凸面,其中胶合透镜包括两个或三个透镜; 负透镜的第五元件在其目标端具有凹面; 以及正透镜的第六元件,在其目的端具有凸面。 假设“f”表示整个透镜系统的焦距,物镜满足以下三个条件方程:0.44f