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    • 1. 发明授权
    • Movable terminal, coaxial connector, and communication apparatus incorporating the same
    • 可移动端子,同轴连接器和包括该可动端子的同轴连接器和通信装
    • US06751317B2
    • 2004-06-15
    • US09756630
    • 2001-01-08
    • Kazuo ShimaChikara UrataniYuichi Maruyama
    • Kazuo ShimaChikara UrataniYuichi Maruyama
    • H04M100
    • H01R13/7033H01R24/46H01R2103/00
    • A movable terminal and a coaxial connector have greatly improved durability and have outstanding contact/connection reliability, and are included in a communication apparatus. A coaxial connector includes a two-split synthetic resin case having a lower insulating case and an upper insulating case, a metal fixed terminal, a movable terminal, and an external terminal. The movable terminal having a spring movable function includes a movable contact portion with which the fixed terminal makes contact, a fixed portion fit in the upper and lower insulating cases, and a lead portion bent in an L-shape. The movable contact portion has a frame-shaped portion, a spring movable portion upwardly curved in an arcuate shape, and a contact portion provided at the approximate center of the spring movable portion.
    • 可移动端子和同轴连接器具有极大的改善的耐久性并且具有优异的接触/连接可靠性,并且包括在通信设备中。 同轴连接器包括具有下绝缘壳和上绝缘壳,金属固定端子,可动端子和外部端子的双分解合成树脂壳体。 具有弹簧可移动功能的可动端子包括固定端子接触的可动接触部分,嵌合在上下绝缘壳体中的固定部分和弯曲成L形的引线部分。 可动接触部分具有框形部分,以弓形形状向上弯曲的弹簧活动部分和设置在弹簧可移动部分的大致中心处的接触部分。
    • 2. 发明授权
    • Coaxial connector having spring movable central part
    • 同轴连接器,具有弹簧可移动中心部分
    • US6068492A
    • 2000-05-30
    • US229159
    • 1999-01-13
    • Chikara UrataniToshitaka KuriyamaYuichi Maruyama
    • Chikara UrataniToshitaka KuriyamaYuichi Maruyama
    • H01R13/71H01R13/703H01R9/09
    • H01R24/46H01R13/7033H01R2103/00H01R24/50
    • The present invention is to provide a coaxial connector capable of achieving secure and stable contact and connection, and realizing sufficiently small size and thin shape. A movable terminal has a movable mechanism part formed so as to have a spring movable function and a lead part, linked with the movable mechanism part, applied with the bending process into a U-shape. The movable mechanism part comprises a base part elongating from the lead part to both sides, two spring supporting parts formed at both end parts of the base part, a spring movable part elongating parallel with the base part between the spring supporting parts, and a contacting part formed projecting from the spring movable part. The spring movable part is supported and fixed at both ends by the spring supporting parts so as to form an arc-like shape with the center part bulged upward, and thus the contacting part can contact with the lower surface of the contacting part of the fixed terminal by the force derived from the spring property of the arc-like spring mechanism so that the fixed terminal and the movable terminal are contacted and connected.
    • 本发明提供一种同轴连接器,其能够实现牢固且稳定的接触和连接,并且实现足够小的尺寸和薄的形状。 可移动端子具有形成为具有弹簧可移动功能的可动机构部分和与可移动机构部分连接的引导部分,其被施加弯曲过程为U形。 可动机构部包括从引导部延伸到两侧的基部,形成在基部的两端部的两个弹簧支撑部,与弹簧支撑部之间的基部平行延伸的弹簧活动部, 从弹簧活动部分突出的部分。 弹簧可动部分通过弹簧支撑部分在两端被支撑和固定,以形成具有中心部分向上凸起的弧形形状,因此接触部分可以与固定的接触部分的接触部分的下表面接触 通过由弧形弹簧机构的弹簧特性导出的力,使得固定端子和可动端子接触和连接。
    • 4. 发明授权
    • Electronic component, coaxial connector, and communication device
    • 电子元件,同轴连接器和通讯装置
    • US06783374B2
    • 2004-08-31
    • US09745120
    • 2000-12-21
    • Chikara UrataniYuichi Maruyama
    • Chikara UrataniYuichi Maruyama
    • H01R1200
    • H01R4/028H01R9/0515
    • An electronic component, a coaxial connector, and a communication device each have a structure wherein flux does not intrude into the components thereof during mounting. The coaxial connector includes a synthetic resin case divided into a lower-side insulative case and an upper-side insulative case, and a fixed terminal, a movable terminal, and an external terminal each being made of metal. The lower-side insulative case has two notches provided therein. One of the notches receives the lead potion of the fixed terminal, and the other of the notches receives the lead potion of the movable terminal. These notches are configured such that clearances are provided to prevent capillary effect from occurring between the lead portions of the respective two terminals and the lower-side insulative case.
    • 电子部件,同轴连接器和通信装置各自具有其中焊剂在安装期间不会侵入其部件的结构。 同轴连接器包括分为下侧绝缘壳体和上侧绝缘壳体的合成树脂壳体,以及各自由金属制成的固定端子,可动端子和外部端子。 下侧绝缘壳体内设有两个凹口。 其中一个凹口接收固定端子的引导部分,另一个凹口接收可动端子的引导部分。 这些凹口被构造成使得提供间隙以防止在相应的两个端子的引线部分和下侧绝缘壳体之间发生毛细管效应。
    • 6. 发明授权
    • Noise shaper circuit
    • 噪声整形电路
    • US5281969A
    • 1994-01-25
    • US874584
    • 1992-04-24
    • Yuichi Maruyama
    • Yuichi Maruyama
    • H03M7/36H03M7/00H03M3/02
    • H03M7/304H03M7/3028
    • According to this invention, a noise shaper circuit capable of realizing an integrated circuit having a small chip area is provided.In calculating circuits for calculating input data represented by a twos complement and feedback data of output data converted into data having a small word length, the input data is divided into upper bits and lower bits with respect to a bit rounded off during a word length converting operation, only the upper bits are used in a calculation, and the calculation result and the lower bits which are not used in the calculation are added to the LSB of the calculation result again, and the resultant data is output to the next stage.
    • 根据本发明,提供一种能够实现具有小芯片面积的集成电路的噪声整形电路。 在计算用于计算由二进制补码表示的输入数据的电路和转换成具有较小字长的数据的输出数据的反馈数据时,相对于在字长转换期间舍入的位,输入数据被分成高位和低位 在计算中仅使用较高位,并且将计算结果和未在计算中使用的低位再次添加到计算结果的LSB中,并将所得数据输出到下一级。
    • 7. 发明授权
    • Coaxial connector and measuring coaxial probe
    • 同轴连接器和测量同轴探头
    • US07556529B2
    • 2009-07-07
    • US11873115
    • 2007-10-16
    • Hiroki WakamatsuYuichi MaruyamaYoshihiro Osaki
    • Hiroki WakamatsuYuichi MaruyamaYoshihiro Osaki
    • H01R9/05
    • H01R13/4538G01R1/06772G01R1/06788H01R24/40H01R2103/00H01R2201/20
    • A coaxial connector is connected to a leading end of a coaxial cable and is detachably connected to a receptacle. The coaxial connector includes a cylindrical housing including a spring portion having a projection to be fitted in a groove provided on the outer periphery of an outer conductor of the receptacle, a central conductor probe stored in the housing so as to be in contact with an inner terminal of the receptacle, and cylindrical sleeves held on the outer periphery of the housing so as to be movable in the axial direction. The sleeve has lock pieces provided in an upper portion and an annular portion in a lower portion. The lock pieces are in elastic contact with a first engaging portion and a second engaging portion provided on the outer periphery of the housing. The annular portion restricts expansion of the spring portion of the housing. The annular portion of the sleeve does not restrict the spring portion when detached (position A), and restricts expansion of the spring portion when attached (position B).
    • 同轴连接器连接到同轴电缆的前端并且可拆卸地连接到插座。 同轴连接器包括:圆柱形壳体,其包括具有突出部的弹簧部分,该突起部配合在设置在容器的外部导体的外周上的槽中;存储在壳体中以与内部接触的中心导体探针 插座的端子和保持在壳体的外周上的圆筒形套筒,以便能够沿轴向移动。 套筒具有设置在下部的上部和环形部的锁定片。 锁定件与设置在壳体的外周上的第一接合部分和第二接合部分弹性接触。 环形部分限制壳体的弹簧部分的膨胀。 套筒的环形部分在分离(位置A)时不限制弹簧部分,并且在附着时限制弹簧部分的膨胀(位置B)。
    • 8. 发明授权
    • Digital filter circuit for use in oversampling type analog/digital
converter
    • 用于过采样型模/数转换器的数字滤波电路
    • US5301134A
    • 1994-04-05
    • US827795
    • 1992-01-30
    • Yuichi Maruyama
    • Yuichi Maruyama
    • H03H17/00H03H17/02H03H17/06G06F15/31
    • H03H17/0223H03H17/0664H03H2218/10
    • A digital filter circuit has two decimation filters, a first and a second, for performing two decimations with respect to a digital data of a predetermined sampling rate. The first decimation filter has a function of producing processing signals for a filter coefficient of the second decimation filter and providing such operational signal to the second decimation filter. Since the output of the first decimation filter is not a coded numeral value but is an output in the form of a processing signal for the filter coefficient of the second decimation filter, the first decimation filter can take the form of a decoder circuit and not an operational circuit and the second decimation filter can be simpler than that having a multiplier circuit of a conventional circuit. The scale of the overall circuit can be reduced and this contributes in the enhancement of high integration of large scale integrated circuits (LSIs), in the scaling down of chip areas and in reducing the manufacturing cost.
    • 数字滤波器电路具有两个抽取滤波器,第一和第二滤波器,用于相对于预定采样率的数字数据执行两个抽取。 第一抽取滤波器具有产生用于第二抽取滤波器的滤波器系数的处理信号并将该操作信号提供给第二抽取滤波器的功能。 由于第一抽取滤波器的输出不是编码数字,而是作为第二抽取滤波器的滤波器系数的处理信号形式的输出,所以第一抽取滤波器可以采用解码器电路的形式,而不是 操作电路和第二抽取滤波器可以比具有常规电路的乘法器电路的操作电路简单。 整个电路的规模可以减小,这有助于提高大规模集成电路(LSI)的高集成度,缩小芯片领域并降低制造成本。