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    • 53. 发明授权
    • Viewfinder optical system and photographing apparatus having the same
    • 取景器光学系统和具有该取景器的摄影装置
    • US06052541A
    • 2000-04-18
    • US118996
    • 1998-07-20
    • Takeshi Nishimura
    • Takeshi Nishimura
    • G03B13/06G03B17/24
    • G03B13/06
    • A viewfinder optical system includes, in order from an object side to an observation side, an objective optical system for forming a real image, a first optical member, the first optical member having a reflective surface by which to change a direction in which a light beam from the objective optical system advances, a second optical member, the real image being converted into an erecting image through the first optical member and the second optical member, and an eyepiece optical system for observing the erecting image, wherein the real image is formed on or near an exit surface of the first optical member, and the exit surface of the first optical member is a curved surface convex toward the observation side.
    • 取景器光学系统从物体侧到观察侧依次包括用于形成实像的物镜光学系统,第一光学构件,第一光学构件,具有反射面,通过该反射面改变光的方向 来自物镜光学系统的光束前进,第二光学构件,通过第一光学构件和第二光学构件将实像转换成竖立图像,以及用于观察竖立图像的目镜光学系统,其中形成实像 在第一光学构件的出射表面上或附近,并且第一光学构件的出射表面是朝观察侧凸出的弯曲表面。
    • 55. 发明申请
    • RECEPTACLE CONNECTOR AND AN ELECTRICAL CONNECTOR USING THE SAME
    • 插座连接器和使用该连接器的电气连接器
    • US20120142200A1
    • 2012-06-07
    • US12960044
    • 2010-12-03
    • Toshiyasu ITODonald Eric ThompsonTakeshi Nishimura
    • Toshiyasu ITODonald Eric ThompsonTakeshi Nishimura
    • H01R12/71H01R24/00
    • H01R13/6471H01R12/721
    • A receptacle connector of the present invention is used as an electrical connector configured to connect two circuit boards. The receptacle connector includes: a housing in which a receiving space is formed, a connection target being inserted in the receiving space; a plurality of contacts being arranged parallel to one another, having a plurality of signal line contacts and a plurality of ground contacts, and being placed with every two adjacent signal line contacts for transmitting signals interposed between two ground contacts; a supporting member made of an electrically-insulating synthetic resin material, and configured to integrally support and fix thereto the plurality of contacts; and a common contact made of a conductive resin material and configured to electrically connect the plurality of ground contacts together among the plurality of contacts. The plurality of contacts integrated together by the supporting member are received in the receiving space.
    • 本发明的插座连接器用作连接两个电路板的电连接器。 插座连接器包括:壳体,其中形成有接收空间,连接目标插入接收空间中; 多个触点彼此平行地布置,具有多个信号线触点和多个接地触点,并且每隔两个相邻的信号线触点放置,用于传输介于两个接地触点之间的信号; 由电绝缘性合成树脂材料制成的支撑构件,其构造成一体地支撑并固定在该多个触点上; 以及由导电树脂材料制成并且被配置为在多个触点之间电连接多个接地触点的公共接触。 由支撑构件集成在一起的多个触点被容纳在接收空间中。
    • 58. 发明授权
    • Key sheet and key sheet manufacturing method
    • 钥匙表和钥匙片制造方法
    • US07655878B2
    • 2010-02-02
    • US11181749
    • 2005-07-15
    • Takeshi Nishimura
    • Takeshi Nishimura
    • H01H33/06
    • H01H13/88H01H2209/006H01H2209/01H01H2209/082H01H2223/0345H01H2227/036H01H2229/048
    • Disclosed is a key sheet having a base sheet equipped with a hard resin plate and a key sheet manufacturing method, wherein a reduction is achieved in the thickness of the base sheet and in the effort and cost for the molding. Further, accurate depressing operation is realized without impairing the outward appearance of the key sheet. The key sheet has a hard base plate having a communicating groove connecting through-holes with each other. The communicating groove has a connecting portion formed so as to be continuous and integral with operating portions formed respectively at the through-holes. Thus, there is no need to form inlets for a rubber-like elastic material respectively corresponding to the through-holes in the mold. As a result, the mold structure can be simplified to thereby achieve a reduction in cost. Further, since the entire front or back surface of the hard base plate is not covered with the rubber-like elastic material, it is possible to achieve an overall reduction in the thickness of the base sheet.
    • 公开了一种具有配备有硬质树脂板的基片和按键片制造方法的按键片,其中,在基片的厚度和成型的费用和成本方面实现了减少。 此外,在不损害按键板的外观的情况下实现精确的按压操作。 钥匙片具有硬质基板,其具有连接通孔的连通槽。 连通槽具有形成为与分别形成在通孔上的操作部分连续且一体的连接部。 因此,不需要分别对应于模具中的通孔形成用于橡胶状弹性材料的入口。 结果,可以简化模具结构,从而实现成本的降低。 此外,由于硬基板的整个前表面或后表面没有被橡胶状弹性材料覆盖,所以可以实现基片的厚度的总体减小。
    • 59. 发明授权
    • Zoom lens and image pickup apparatus including the same
    • 缩放透镜和包括其的图像拾取装置
    • US07593171B2
    • 2009-09-22
    • US12359158
    • 2009-01-23
    • Takeshi Nishimura
    • Takeshi Nishimura
    • G02B9/34
    • G02B15/177
    • A zoom lens includes first to fourth lens units which respectively have negative, positive, negative, and positive refractive powers in order from the object side to the image side. Distances between the first and second lens units, the second and third lens units, and the third and fourth lens units at the telephoto end are respectively smaller, larger, and smaller than those at the wide-angle end. An Abbe number ν1n and a partial dispersion ratio θ1n of a material of at least one negative lens included in the first lens unit, an Abbe number ν1p, a partial dispersion ratio θ1p, and a refractive index N1p, respectively, of a material of at least one positive lens included in the first lens unit, a focal length f1 of the first lens unit, and a focal length fw of the entire system at the wide-angle end are adequately set.
    • 变焦透镜包括从物体侧到像侧依次分别具有负,正,负和正折射力的第一至第四透镜单元。 第一和第二透镜单元,第二和第三透镜单元以及远摄端的第三和第四透镜单元之间的距离分别比在广角端处的距离更小,更大和更小。 包括在第一透镜单元中的至少一个负透镜的材料的阿贝数nu1n和部分色散比θ1n,分别为阿贝数nu1n,阿贝数nu1p,部分色散比θ1p和折射率N1p 包括在第一透镜单元中的至少一个正透镜,第一透镜单元的焦距f1和在广角端处的整个系统的焦距fw被适当地设定。