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    • 3. 发明授权
    • Large diameter high strength rolled steel bar and a process for the
production of the same
    • 大直径高强度轧钢棒及其生产方法
    • US4775429A
    • 1988-10-04
    • US18730
    • 1987-02-24
    • Teruyuki MuraiYoshihiro Hashimoto
    • Teruyuki MuraiYoshihiro Hashimoto
    • C21D8/08C21D9/52C21D8/06
    • C21D9/525C21D8/08
    • A large diameter high strength hot rolled steel bar consisting of a low alloy steel having a carbon content of 0.3 to 0.9% and a metallurgical structure with a interlammelar spacing of 0.05 to 0.15 .mu.m, and having a diameter of at least 20 mm, a tensile strength of at least 120 kg/mm.sup.2 and a reduction of area of at least 20% is produced by a process comprising cooling a hot rolled steel bar at a constant rate, characterized by carrying out the cooling in such a controlled manner that the perlite transformation is started at a temperature of ranging from Tc to (Tc+40.degree. C.) wherein Tc is the critical temperature at which a cooling curve at a constant rate is tangent to the perlite transformation starting line of the continuous cooling transformation curve and the maximum temperature during the transformation is suppressed to at most (Tc+80.degree. C.).
    • 一种由碳含量为0.3〜0.9%的低合金钢和间隙为0.05〜0.15μm的冶金结构,直径为20mm以上的大直径高强度热轧钢棒, 通过包括以恒定速率冷却热轧钢筋的方法产生至少120kg / mm 2的拉伸强度和至少20%的面积减小,其特征在于以如此受控的方式进行冷却,使得珍珠岩 在Tc到(Tc + 40℃)的温度下开始转变,其中Tc是恒定速率下的冷却曲线与连续冷却转变曲线的珍珠岩转变起始线相切的临界温度, 转变期间的最高温度被抑制到最多(Tc + 80℃)。
    • 8. 发明申请
    • PLANAR LIGHT SOURCE DEVICE
    • 平面光源设备
    • US20110228558A1
    • 2011-09-22
    • US13130758
    • 2009-10-13
    • Tatsuo UchidaYoshito SuzukiTohru KawakamiTakahiro IshinabeBaku KatagiriYoshihiro HashimotoShoichi IshiharaShuichi KozakiYutaka Ishii
    • Tatsuo UchidaYoshito SuzukiTohru KawakamiTakahiro IshinabeBaku KatagiriYoshihiro HashimotoShoichi IshiharaShuichi KozakiYutaka Ishii
    • F21V7/22
    • G02B6/0055G02B6/0031G02B6/0046G02B6/0053
    • Conventional planar light source devices have a problem that increasing a utilization ratio of light results in a very narrow angle distribution of light. A planar light source device of the present invention has a light source (1), a light guide plate (2) for introducing light coming from the light source via a light-incident plane of the light guide plate and emits the light from almost all area of a light emission plane, and a light source side reflector (3) for reflecting the light coming from the light source and light which comes from the light source and is reflected by the light-incident plane of the light guide plate so that the reflected light is emitted to the light-incident plane of the light guide plate. The planar light source device further includes a lower side reflector (5) for introducing light emitted from the lower plane of the light guide plate into the light guide plate again, and an optical member (4) for changing a traveling direction of first light (10) which is introduced via the light-incident plane to pass through the light guide plate and is emitted from an upper plane of the light guide plate to a vertical upper direction. The lower side reflector is inclined by an angle of 5°-60° with respect to the lower plane of the light guide plate, and θ2=90°−θ1±10° is met where θ1 (°) represents a maximum angle between the upper plane and a direction in which the first light is emitted from the upper plane and θ2 (°) represents an apex angle of the optical member.
    • 传统的平面光源装置具有提高光的利用率导致光的非常窄的角度分布的问题。 本发明的平面光源装置具有:光源(1),导光板(2),用于经由导光板的入射面导入来自光源的光,并从几乎全部发射光 光源侧反射器(3),用于反射来自光源的光和来自光源的光,并被导光板的光入射面反射,使得 反射光被发射到导光板的光入射面。 平面光源装置还包括用于将从导光板的下平面发射的光再次引入导光板的下侧反射器(5),以及用于改变第一光的行进方向的光学部件(4) 10),其经由光入射面引入以穿过导光板,并且从导光板的上平面发射到垂直上方。 下侧反射器相对于导光板的下平面倾斜5°-60°,和2θ= 90° - 角度; 1±10°,其中&1;(°) 表示上平面与第一光从上平面发射的方向和角度之间的最大角度; 2(°)表示光学构件的顶角。
    • 10. 发明授权
    • Optical component using optical transmission element joining metal holder
    • 使用光传输元件接合金属支架的光学部件
    • US07313292B2
    • 2007-12-25
    • US10941940
    • 2004-09-16
    • Yoshihiro HashimotoKen MatsuokaShinichi TakagiKatsunori SuzukiTetsutsugu Hamano
    • Yoshihiro HashimotoKen MatsuokaShinichi TakagiKatsunori SuzukiTetsutsugu Hamano
    • G02B6/12G02B6/32G02B6/02
    • G02B7/025G02B7/008G02B7/028
    • An optical component comprises an optical transmission element (e.g., an optical lens) whose circumferential wall partially joins a metal holder via a joining material (e.g., a low melting point glass), wherein stress is normally applied to the optical transmission element in a compression direction when joining the metal holder. The optical transmission element is inserted into a through hole of the metal holder, and the joining material is kept in a bank actualized by a tapered portion formed in proximity to one end of the through hole of the metal holder. This prevents tensile stress from being applied to the optical transmission element; thus, it is possible to avoid the occurrence of cracks and separations in the optical transmission element; and it is possible to avoid the occurrence of errors in optical characteristics, regardless of variations of the environmental temperature, so that, the optical component is improved in reliability.
    • 光学部件包括光学传输元件(例如,光学透镜),其周壁通过接合材料(例如,低熔点玻璃)部分地连接金属保持器,其中应力通常以压缩方式施加到光传输元件 连接金属支架时的方向。 光传输元件插入到金属保持器的通孔中,并且接合材料保持在由金属保持器的通孔的一端附近形成的锥形部分实现的堤岸中。 这防止了拉伸应力施加到光传输元件上; 因此,可以避免在光传输元件中发生裂纹和分离; 并且不管环境温度的变化如何,可以避免出现光学特性的误差,从而提高了光学部件的可靠性。