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    • 1. 发明授权
    • Receiver and signal received power estimation method
    • 接收机和信号接收功率估计方法
    • US08731083B2
    • 2014-05-20
    • US13579241
    • 2011-02-10
    • Masahito SakaiKoichi TamuraQuang NguyenChaitanya Rao
    • Masahito SakaiKoichi TamuraQuang NguyenChaitanya Rao
    • H04K1/10
    • H04B17/318
    • In the case of a narrow band in which the number of sub-carriers to be used for the concurrent transmission is smaller than a predetermined value, an RSRP estimation unit carries out processes in an order of time-wise in-phase addition, frequency-wise averaging, and conjugate multiplication, with respect to the channel estimation values estimated by the channel estimation unit; and in the case of a wide band in which the number of sub-carriers to be used for the concurrent transmission is greater than the predetermined value, the RSRP estimation unit carries out processes in an order of frequency-wise averaging, conjugate multiplication, and time-wise in-phase addition, with respect to the channel estimation values estimated by the channel estimation unit.
    • 在用于并发传输的副载波数小于预定值的窄频带的情况下,RSRP估计单元按时间同相相加的顺序进行处理, 对于由信道估计单元估计出的信道估计值,进行平均和共轭乘法; 在并行传输中使用的子载波数大于预定值的宽频带的情况下,RSRP估计单元按频率平均化,共轭乘法和 相对于由信道估计单元估计出的信道估计值,是时间上的同相相加。
    • 3. 发明授权
    • Covering composition for optical fiber and covered optical fiber
    • 覆盖光纤和覆盖光纤的组成
    • US06993231B2
    • 2006-01-31
    • US10760350
    • 2004-01-21
    • Keisuke NaruseTakahiro HiguchiKoichi Tamura
    • Keisuke NaruseTakahiro HiguchiKoichi Tamura
    • G02B6/02
    • C03C25/106G02B6/02395
    • According to the present invention, there is provided a covering composition for optical fiber comprising (A) an unsaturated polyester oligomer having substantially two or more (meth)acryloyl group in a molecule wherein a glass transition temperature of a cured substance thereof is 100 to 350° C.; (B) at least one oligomer selected from the group consisting of the following components: (B-a) epoxy modified (meth)acrylate oligomer, (B-b) polyether polyol modified (meth)acrylate oligomer, and (B-c) urethane polyether polyol modified (meth)acrylate or urethane polyester polyol modified (meth)acrylate; and (C) a photopolymerization initiator, as essential components. The cured material has highly elasticity and is superior in the heat stability, and as a result, the present invention provides the superior covered optical fiber with well balanced heat stability of the optical transmission properties and flexibility.
    • 根据本发明,提供了一种光纤用覆盖组合物,其含有(A)分子中具有大致2个以上(甲基)丙烯酰基的不饱和聚酯低聚物,其固化物的玻璃化转变温度为100〜350 C。; (B)至少一种选自以下组分的低聚物:(Ba)环氧改性(甲基)丙烯酸酯低聚物,(Bb)聚醚多元醇改性(甲基)丙烯酸酯低聚物和(Bc)氨基甲酸酯聚醚多元醇改性 )丙烯酸酯或氨基甲酸酯聚酯多元醇改性(甲基)丙烯酸酯; 和(C)光聚合引发剂作为必要成分。 固化物具有高弹性,并且热稳定性优异,结果,本发明提供了具有良好平衡的光传输性能和柔性的热稳定性的优质包覆光纤。
    • 5. 发明授权
    • Fluorescent X-ray analyzer
    • 荧光X射线分析仪
    • US06295333B1
    • 2001-09-25
    • US09359938
    • 1999-07-22
    • Koichi Tamura
    • Koichi Tamura
    • G01N23223
    • G01N23/223G01N2223/076
    • An improved X-ray analyzer may be made portable and provide accurate positioning capabilities to permit precise location on a sample of a measurement point. An imaging device is provided to allow the user to observe a position at which primary X-rays generated by an X-ray source are to be irradiated onto the sample, and a display device is provided for displaying an image thereof. The display device displays a fluorescent X-ray spectrum taken at a measurement point on the sample in accordance with an output of an X-ray detector at the same time as displaying the sample image.
    • 改进的X射线分析仪可以是便携式的并且提供准确的定位能力以允许测量点的样本上的精确定位。 提供了一种成像装置,以允许用户观察由X射线源产生的主要X射线照射到样本上的位置,并且提供用于显示其图像的显示装置。 显示装置在显示样本图像的同时,根据X射线检测器的输出显示在样本上的测量点拍摄的荧光X射线谱。
    • 10. 发明授权
    • Floating caliper type disc brake
    • 浮动卡钳式盘式制动器
    • US4296844A
    • 1981-10-27
    • US74807
    • 1979-09-11
    • Koichi TamuraTetsuo Haraikawa
    • Koichi TamuraTetsuo Haraikawa
    • F16D55/224F16D55/227F16D65/097F16D65/04
    • F16D55/227F16D65/0974
    • A floating caliper type disc brake including a caliper being slidably supported on a stationary member, a resilient member interposed between a sliding portion of the caliper and the stationary member, the caliper having a bridge portion extending over a portion of the circumference of a disc and a pawl portion rigidly connected to the bridge portion for acting on one of friction pads, and a pad spring interposed between the bridge portion of the caliper and friction pads. The improvement comprises in that a projection is formed on backing plate of the one friction pad, and a retaining portion is formed in the pawl portion of the caliper for engaging with the projection of the friction pad thereby receiving the biassing force of the pad spring.
    • 一种浮动卡钳型盘式制动器,包括可滑动地支撑在固定构件上的卡钳,插入在卡钳的滑动部分和固定构件之间的弹性构件,卡钳具有延伸在盘的圆周的一部分上的桥接部分, 刚性地连接到桥接部分以用于作用在摩擦垫中的一个上的棘爪部分,以及插入在卡钳的桥接部分和摩擦垫之间的垫弹簧。 改进之处在于,在一个摩擦垫的背板上形成突起,并且在卡钳的棘爪部分中形成保持部分,以与摩擦垫的突起接合,从而接收垫弹簧的偏压力。