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    • 31. 发明授权
    • Electrical socket contact
    • 电插座接触
    • US5897405A
    • 1999-04-27
    • US865406
    • 1997-05-29
    • Hiroshi Endo
    • Hiroshi Endo
    • H01R13/11H01R43/16H01R11/22
    • H01R13/11H01R43/16
    • A new and improved electrical socket contact has good structural integrity and a design which forestalls the possibility of having a male contact inadvertently inserted behind the spring contact. This is accomplished first through an overall design in which a spring contact section is completely surrounded by four side walls and a back wall, the walls having a generally box-like configuration. The spring section has a pair of overlying spring members, the innermost member having an overlying spring assist portion. The portion of the innermost spring portion nearest the socket opening is protected by a curved end portion of an overlying wall which also acts to protect the spring section. The socket contact of the present invention is formed from a single piece of flat material and is formed through several folding steps to achieve the final construction. The socket contact formed enables a high reliability very miniaturized contact.
    • 新的改进的电插座触头具有良好的结构完整性和防止将偶然插入到弹簧触点之后的男性接触的可能性的设计。 首先通过整体设计来实现这一点,其中弹簧接触部分被四个侧壁和后壁完全包围,该壁具有大体上的盒状构造。 弹簧部分具有一对上覆的弹簧部件,最内侧的部件具有上覆的弹簧辅助部分。 最靠近插座开口的最内弹簧部分的部分由覆盖壁的弯曲端部部分保护,其也用于保护弹簧部分。 本发明的插座接触件由单片扁平材料形成,并且通过几个折叠步骤形成以实现最终结构。 形成的插座接触使得可靠性非常小型化。
    • 36. 发明授权
    • Compact zoom lens
    • 紧凑型变焦镜头
    • US5042927A
    • 1991-08-27
    • US449710
    • 1989-12-12
    • Hideki OgawaHiroshi Endo
    • Hideki OgawaHiroshi Endo
    • G02B15/173
    • G02B15/173
    • A zoom lens is disclosed comprising, from front to rear, a first lens group of positive power, a second lens group of negative power, a third lens group of positive power, a fourth lens group of positive power, and a fifth lens group of negative power, at least a predetermined plurality of lens groups of the first to fifth lens groups being made to move in such a manner that when zooming from the wide-angle end to the telephoto end, the first lens group is moved forward, while simultaneously monotonously increasing the air separation between the first and second lens groups and monotonously decreasing the air separations between the second and third lens groups and between the fourth and fifth lens groups, and the zoom lens satisfying the following conditions: 0.05 fT/fW
    • 公开了一种变焦透镜,包括从前到后的正功率的第一透镜组,负功率的第二透镜组,正光焦度的第三透镜组,正光焦度的第四透镜组和第四透镜组的第五透镜组 使第一至第五透镜组的至少预定的多个透镜组以这样的方式移动,使得当从广角端到望远端变焦时,第一透镜组向前移动,同时 单调地增加第一透镜组和第二透镜组之间的空气分离,并且单调地减小第二和第三透镜组之间以及第四和第五透镜组之间的空气分离,并且变焦透镜满足以下条件:0.05fT / fW
    • 38. 发明授权
    • Zoom lens of high power varying ratio
    • 变焦镜头具有高功率变化率
    • US4896950A
    • 1990-01-30
    • US157241
    • 1988-02-18
    • Hiroshi EndoSadatoshi Takahashi
    • Hiroshi EndoSadatoshi Takahashi
    • G02B15/173
    • G02B15/173
    • A zoom lens is composed of, as counted from the object side of the lens, a first lens unit or group having a positive refractive power, a second lens unit or group having a negative refractive power, a third lens unit or group having a positive refractive power, a fourth lens unit or group having a negative refractive power and a fifth lens unit or group having a positive refractive power. Assuming that, when varying the magnifying power of the lens from a wide angle end to a telephoto end, an air space between an i-th lens unit and an i+l-th lens unit varies to a degree .DELTA.Di, the i-th lens unit has a focal length fi, the focal length of the whole lens system as obtained at the telephoto end is FT, and a space between the first and second lens units varies to a degree .DELTA.E1 between the wide angle end and the telephoto end, the zoom lens is arranged to satisfy the following conditions:.DELTA.D1>0.DELTA.D2 0.DELTA.D4
    • 变焦透镜由透镜的物体侧计数为具有正屈光力的第一透镜单元或组,具有负屈光力的第二透镜单元或组,具有正的折射力的第三透镜单元或组 屈光力,具有负屈光力的第四透镜单元或组,具有正屈光力的第五透镜单元或组。 假设当从广角端到望远端改变透镜的放大倍率时,第i个透镜单元和第i + 1个透镜单元之间的空气间隔变化到一定程度的DELTA Di,i- 在透镜单元具有焦距fi,在远摄端获得的整个透镜系统的焦距为FT,并且第一和第二透镜单元之间的空间在广角端和远距离之间变化到DELTA E1的程度 结束时,变焦透镜被设置为满足以下条件:DELTA D1> 0 DELTA D2 <0 DELTA D3> 0 DELTA D4 <0 0.046 <| f2 / FT| <0.093 0.22 <| f1 / FT| <0.6 2.1 < DELTA E1 / f2| <3.6。
    • 40. 发明授权
    • AlN sintered body having high thermal conductivity and a method of
fabricating the same
    • 具有高导热性的AlN烧结体及其制造方法
    • US4847221A
    • 1989-07-11
    • US142818
    • 1988-01-11
    • Akihiro HoriguchiFumio UenoMitsuo KasoriYoshiko SatoMasaru HayashiHiroshi EndoKazuo ShinozakiAkihiko Tsuge
    • Akihiro HoriguchiFumio UenoMitsuo KasoriYoshiko SatoMasaru HayashiHiroshi EndoKazuo ShinozakiAkihiko Tsuge
    • C04B35/581
    • C04B35/581
    • According to the present invention, there is provided an aluminum nitride sintered body having a high thermal conductivity and essentially consisting of a AlN single-phase, containing 0.01 to 8,000 ppm of rare earth elements and less than 2,000 ppm of oxygen. According to the present invention, there is provided a method of fabricating an aluminum nitride sintered body having a high thermal conductivity and essentially consisting of AlN single-phase, containing 0.01 to 8,000 ppm of rare earth elements and less than 2,000 ppm of oxygen, wherein a molded body prepared by mixing and molding an aluminum nitride power having less than 7 wt % of oxygen and an average particle size of 0.05 to 5 .mu.m and with rare earth compounds of 0.01 to 15 wt % of based on rare earth elements content, or a sintered AlN body containing oxide grain boundary phases of 0.01 to 15 wt % of rare earth elements and 0.01 to 20 wt % of oxygen and (rare earth element)--Al--O compounds phases and/or (rare earth element)--O compounds phases, is fired in a reducing atmosphere at a temperature of 1,550 to 2,050.degree. C. for 4 hours or more.
    • 根据本发明,提供了一种具有高导热性且基本上由含有0.01至8,000ppm的稀土元素和小于2,000ppm的氧的AlN单相组成的氮化铝烧结体。 根据本发明,提供一种制造具有高导热性且基本由AlN单相组成的氮化铝烧结体的方法,该AlN单相含有0.01至8,000ppm的稀土元素和小于2,000ppm的氧,其中 通过将少于7重量%的氧和平均粒径为0.05〜5μm的氮化铝粉末和基于稀土元素含量为0.01〜15重量%的稀土类化合物混合成型而制备的成型体, 或含有0.01〜15重量%的稀土元素和0.01〜20重量%的氧和(稀土元素)-Al-O化合物相和/或(稀土元素)-Oi的氧化物晶界相的烧结AlN体 化合物相在1550〜2050℃的温度下在还原气氛中烧成4小时以上。