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    • 11. 发明授权
    • Surface acoustic wave filter
    • 表面声波滤波器
    • US06861925B2
    • 2005-03-01
    • US10273888
    • 2002-10-21
    • Wataru OhashiHisanori EharaTomokazu Komazaki
    • Wataru OhashiHisanori EharaTomokazu Komazaki
    • H03H9/72H03H9/64H03H9/73
    • H03H9/6483
    • A surface acoustic wave filter includes an antenna terminal, an antenna, a transmitting filter, a branching line and a receiving filter. The antenna is coupled to the antenna terminal. The transmitting filter is coupled to the antenna terminal. The transmitting filter receives an electrical power. The branching line is coupled to the antenna terminal. The branching line has a first length that is longer than λ/4 length so that the electrical power received by the transmitting filter when the antenna terminal is opened is smaller than when the antenna terminal is terminated, wherein λ is a wave length of a center frequency of transmitted and received bands of the surface acoustic wave filter. The receiving filter is coupled to the branching line.
    • 表面声波滤波器包括天线端子,天线,发射滤波器,分支线路和接收滤波器。 天线耦合到天线终端。 发射滤波器耦合到天线端子。 发射滤波器接收电力。 分支线耦合到天线端子。 分支线具有长于λ/ 4长度的第一长度,使得当天线端子打开时由发射滤波器接收的电力小于天线端子终止时的电力,其中λ是中心的波长 表面声波滤波器的发射和接收频带的频率。 接收滤波器耦合到分支线。
    • 14. 发明授权
    • Method for controlling early casting stage in continuous casting process
    • 控制连铸过程中早期浇铸阶段的方法
    • US4771821A
    • 1988-09-20
    • US899483
    • 1986-08-22
    • Akira MatsushitaMasami TemmaWataru Ohashi
    • Akira MatsushitaMasami TemmaWataru Ohashi
    • B22D11/16B22D11/18
    • B22D11/181B22D11/161
    • A method for controlling an early stage casting in a continuous casting process comprising the steps of commencing to pour molten steel into a mold provided with a dummy bar head through an immersion nozzle provided with a flow rate control device, detecting that a steel level in the mold has reached a predetermined drawing commencement level and commencing drawing of the dummy bar head. A holding time for molten steel in the mold is predetermined, from the commencement of pouring molten steel into the mold to a commencement of the drawing of the dummy bar head, through a solidified shell formation velocity under prevailing operating conditions, and a prediction is made of whether or not, when the steel level has reached the predetermined level, a molten metal holding time substantially equal to the predetermined molten metal holding time can be obtained, and the flow rate of the molten steel is controlled in accordance with the result of the prediction.
    • 一种用于控制连续铸造工艺中的早期铸造的方法,包括以下步骤:通过设有流量控制装置的浸入式喷嘴将钢水倒入设置有虚拟棒头的模具中,检测钢水平 模具已经达到预定的绘图开始水平并开始绘制虚拟棒头。 从浇铸钢水开始到模具开始,通过在主要运行条件下的凝固壳形成速度,模具中的钢水保持时间是预先确定的,并且进行预测 当钢水位达到规定水平时,可以获得基本上等于预定的熔融金属保持时间的熔融金属保持时间,并根据其结果控制钢水的流量 预测。
    • 16. 发明申请
    • Thin gauge steel sheet excellent in surface conditions, formability, and workability and method for producing the same
    • 表面状态,成形性和加工性优异的薄规格钢板及其制造方法
    • US20100319816A1
    • 2010-12-23
    • US12806971
    • 2010-08-24
    • Katsuhiro SasaiWataru Ohashi
    • Katsuhiro SasaiWataru Ohashi
    • C21D8/02
    • C21C7/068C21C7/064C21D8/04C22C38/004C22C38/14
    • The present invention provides ultralow carbon thin gauge steel sheet and a method for producing the same where coalescence and growth of inclusions in the molten steel are prevented and the inclusions are finely dispersed in the steel sheet, whereby surface defects and cracks at the time of press forming are prevented, growth of recrystallized grains at the time of continuous annealing is promoted, and a high r value (r value≧2.0) and elongation (total elongation≧0%) are exhibited, that is, ultralow carbon thin gauge steel sheet excellent in surface conditions, formability, and workability comprised of, by mass %, 0.00030.003%≦C≦0.003%, Si≦0.01%, Mn≦0.1%, P≦0.02%, S≦0.01%, 0.0005%≦N≦0.0025%, 0.01%≦acid soluble Ti≦0.07%, acid soluble Al≦0.003%, and 0.002%≦La+Ce+Nd≦0.02% and a balance of iron and unavoidable impurities, said steel sheet characterized by containing at least cerium oxysulfite, lanthanum oxysulfite, and neodymium oxysulfite.
    • 本发明提供了超低碳薄钢板及其制造方法,能够防止钢水中的夹杂物的凝结和生长,并且将夹杂物细分散在钢板中,由此在压制时表面缺陷和裂纹 可以促进连续退火时的再结晶晶粒生长,r值(r值≥2.0),伸长率(总伸长率≥0%)高,即超低碳薄型钢板优异 在表面条件,成形性和可加工性方面,以质量%计含有0.00030.003%&NlE; C< E; 0.003%,Si&NlE; 0.01%,Mn&NlE; 0.1%,P&NlE; 0.02%,S&NlE; 0.01%,0.0005% N%,0.0025%,0.01%和0.01%,酸溶性Ti + nIE:0.07%,酸溶Al和N,0.003%和0.002%,其中La + Ce + Nd和nlE为0.02%,余量为铁和不可避免的杂质, 含有至少硫代亚硫酸铈,硫代亚硫酸镧和钕氧化物 亚硫酸盐