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    • 52. 发明授权
    • Focus detecting apparatus
    • 对焦检测装置
    • US5402198A
    • 1995-03-28
    • US868888
    • 1992-04-16
    • Keiji Moriyama
    • Keiji Moriyama
    • G02B7/34G03B13/36
    • G02B7/346
    • A focus detecting apparatus for detecting the focus of a photo-taking lens comprises a condenser lens disposed near the predetermined image plane of an object formed by the photo-taking lens, and a plurality of focus detection systems. Each of the focus detection systems comprises pupil dividing means disposed rearwardly of the condenser lens in the direction of the optical axis thereof and having at least one pair of openings for dividing the pupil of the photo-taking lens, at least one pair of re-imaging lenses disposed rearwardly of the pupil dividing means correspondingly to the at least one pair of openings for forming at least one pair of secondary images, and a photoelectric conversion element array having picture elements for detecting the amount of deviation of the relative position of the secondary images. The area of a picture element of the photoelectric conversion element array in each of the focus detection systems is determined in conformity with the area of the openings in the pupil dividing means in that focus detection system.
    • 用于检测摄影镜头的焦点的焦点检测装置包括设置在由摄影镜头形成的物体的预定图像平面附近的聚光透镜和多个焦点检测系统。 每个焦点检测系统包括光瞳分割装置,其设置在聚光透镜的光轴方向后方,并具有至少一对开口,用于分割摄影镜头的瞳孔, 对应于所述至少一对开口以形成至少一对次级图像的光瞳分割装置的后方的成像透镜,以及具有用于检测次级的相对位置的偏差量的图像元素的光电转换元件阵列 图片。 每个焦点检测系统中的光电转换元件阵列的像素的面积与该焦点检测系统中的光瞳分割装置中的开口面积一致。
    • 53. 发明授权
    • Focusing detection apparatus
    • 聚焦检测装置
    • US5257062A
    • 1993-10-26
    • US941319
    • 1992-09-04
    • Keiji Moriyama
    • Keiji Moriyama
    • G01C3/06G02B7/34G03B13/36G01J1/20G02B7/28
    • G02B7/346
    • A focusing detection apparatus has at least a focusing detection area on an optical axis of a photographing lens and a focusing detection area off the optical axis of the photographing lens in a photographing field and has a focusing detection optical system including at least a pair of apertures and a pair of refocusing lenses provided one set for each of the focusing detection areas. The focusing detection optical systems are arranged such that a positional relation between centers of the pair of aperture corresponding to the off-axis focusing detection area and optical axes of the pair of refocusing lenses is different from a positional relation between the centers of the pair of apertures corresponding to the on-axis focusing detection area and the optical axes of the pair of refocusing lenses.
    • 聚焦检测装置在拍摄场中至少具有拍摄镜头的光轴上的聚焦检测区域和离开拍摄镜头的光轴的聚焦检测区域,并且具有聚焦检测光学系统,该聚焦检测光学系统至少包括一对孔径 以及为每个聚焦检测区域提供一组的一对重聚焦透镜。 聚焦检测光学系统被布置成使得与离轴聚焦检测区域对应的一对孔径的中心与该对重聚焦透镜的光轴之间的位置关系不同于该对对焦检测区域的中心之间的位置关系 对应于在轴上聚焦检测区域和一对重新聚焦透镜的光轴的孔。
    • 54. 发明授权
    • Telephoto zoom lens
    • 长焦变焦镜头
    • US4662724A
    • 1987-05-05
    • US734707
    • 1985-05-16
    • Keiji Moriyama
    • Keiji Moriyama
    • G02B15/173G02B9/64G02B15/16
    • G02B15/173
    • A zoom lens consists of a first lens group of positive refractive power, a second lens group of negative refractive power, a third lens group of positive refractive power and a fourth lens group of positive refractive power arranged in the named order from the object side. A zoom lens is characterized in that as the second lens group, there is used a lens group comprising a first cemented lens component composed of a positive and negative lens elements cemented together and having a negative composite refractive power and a second cemented lens component composed of negative and positive lens elements cemented together and having a negative composite refractive power arranged in the named order from the object side, and in that in the first cemented lens component of the second lens group there is provided a cemented surface having a negative refractive power thereby preventing the increase of coma at the wide angle side while reducing the variation of coma with magnification change and also increasing the negative refractive power of the second lens group which enables to realize a compact construction of the zoom lens.
    • 变焦透镜由正折射光焦度的第一透镜组,负折射光焦度的第二透镜组,正屈光力的第三透镜组和正折射光焦度的第四透镜组从物体侧按顺序排列。 变焦透镜的特征在于,作为第二透镜组,使用透镜组,其包括由粘合在一起并具有负的复合折射光焦度的正透镜和负透镜元件组成的第一胶合透镜部件和由第二胶合透镜部件组成的第二胶合透镜部件, 负透镜和正透镜元件粘合在一起并且具有从物体侧以指定顺序布置的负复合折射光焦度,并且在第二透镜组的第一胶合透镜部件中提供具有负折光力的胶合表面,由此 防止在广角侧的彗差增加,同时减小彗差随放大率变化的变化,并且还增加能够实现变焦透镜的紧凑结构的第二透镜组的负屈光力。
    • 55. 发明授权
    • Golf ball
    • 高尔夫球
    • US08672778B2
    • 2014-03-18
    • US12076083
    • 2008-03-13
    • Keiji Moriyama
    • Keiji Moriyama
    • A63B37/12
    • A63B37/0004A63B37/0006A63B37/0012A63B37/0018A63B37/0019A63B37/002A63B37/0021
    • Golf ball 2 has a land and numerous dimples 8 on the surface thereof. This dimple 8 has first curved face 14 and second curved face 16. The first curved face 14 is continuous with land 10 at the edge Ed. The second curved face 16 is continuous with the first curved face 14 at the boundary point Pb. The first curved face 14 has ring-shape. The first curved face 14 is projecting upwards. The second curved face 16 has a bowl-shape. The second curved face 16 is projecting downwards. The second curved face 16 has a curvature radius R2 of equal to or greater than 10 mm. The proportion P1 of the depth d1 of the boundary point Pb to the depth de of the dimple 8 is 1% or greater and 10% or less. The mean diameter of the dimple 8 is equal to or greater than 4.0 mm. The proportion P3 of the number of the dimples 8 having a diameter of equal to or greater than 4.3 mm to total number of the dimples 8 is equal to or greater than 30%.
    • 高尔夫球2在其表面上具有一块土地和许多凹坑8。 该凹坑8具有第一曲面14和第二曲面16.第一曲面14与边缘Ed处的平台10连续。 第二曲面16与边界点Pb处的第一曲面14连续。 第一曲面14具有环形。 第一曲面14向上突出。 第二曲面16具有碗状。 第二弯曲面16向下突出。 第二曲面16的曲率半径R2为10mm以上。 边界点Pb的深度d1与凹坑8的深度de的比例P1为1%以上且10%以下。 凹坑8的平均直径等于或大于4.0mm。 具有等于​​或大于4.3mm的直径的凹坑8的数量与凹坑8的总数的比例P3等于或大于30%。
    • 58. 发明授权
    • Multi-piece solid golf ball
    • 多片固体高尔夫球
    • US07841954B2
    • 2010-11-30
    • US10263642
    • 2002-10-04
    • Keiji MoriyamaAkira Kato
    • Keiji MoriyamaAkira Kato
    • A63B37/04
    • C08G18/758A63B37/0003A63B37/0031A63B37/0033A63B37/0043A63B37/0045A63B37/0062A63B37/0064A63B37/0075A63B37/04A63B37/12
    • The present invention provides a multi-piece solid golf ball, which is superior in flight distance, spin performance and shot feel. The present invention relates to a multi-piece solid golf ball comprising a core consisting of a center and an intermediate layer, and a cover, wherein the center has surface hardness (D) higher than central point hardness by not less than 15, the intermediate layer and cover are formed from thermoplastic resin as a main component and have a thickness of not less than 0.3 to less than 1.0 mm, the cover has a hardness (F) of not less than 35 to less than 55, a hardness of the intermediate layer is higher than D and F, and a difference (A−B) between a deformation amount of the core (A) and that of the golf ball (B) is within the range of not less than 0.15 to less than 0.35 mm.
    • 本发明提供一种多件式实心高尔夫球,其飞行距离,旋转性能和拍摄感觉优越。 本发明涉及一种包括由中心层和中间层构成的芯的多件式固体高尔夫球和一种盖,其中中心具有高于中心点硬度的表面硬度(D)不小于15,中间层 层和盖由热塑性树脂作为主要成分形成,并且具有不小于0.3至小于1.0mm的厚度,该盖的硬度(F)不小于35至小于55,中间层的硬度 层高于D和F,芯(A)的变形量与高尔夫球(B)的变形量之间的差(A-B)在不小于0.15至小于0.35mm的范围内。