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    • 94. 发明申请
    • Ultrasonograph
    • 超声波检查
    • US20070293764A1
    • 2007-12-20
    • US11882930
    • 2007-08-07
    • Shin-ichiro UmemuraYuichi MiwaTakashi AzumaTakashi SugiyamaHiroshi Kuribara
    • Shin-ichiro UmemuraYuichi MiwaTakashi AzumaTakashi SugiyamaHiroshi Kuribara
    • A61B8/00
    • G01S7/52047A61B8/481G01S7/5202G01S7/52026G01S7/52038G01S15/8963G10K11/346
    • To provide an ultrasonograph capable of generating a transmission beam comprising a main beam having a uniform width over a wide range in an ultrasonic wave propagation direction by one-time transmission of an ultrasonic pulse. A weighted mean value of a plurality of transmission delay time values corresponding to focal lengths of transmission pulse waves having a plurality of focal points which are set in the ultrasonic wave propagation direction is calculated for each of elements constituting a transmission aperture and used as the delay time. Waves are actually transmitted with the weighted mean value as delay time. As the weight used for obtaining the delay time mean value, first, a transmission effective aperture width according to each transmission focal length is selected, and a weight in the direction of the transmit aperture realizing the width is calculated and is used in a focal length direction. As a result, the curvature of a wave front of a wave transmitted is close to that of the wave front of a short focal length in the center portion of the transmit aperture, and is close to that of the wave front of a long focal length in the peripheral portion. Consequently, a non-cylindrical wave front is formed. Thus, a transmission beam including a relatively narrow main beam with a uniform width over a wide range in the ultrasonic wave propagation direction can be generated by one-time transmission of an ultrasonic pulse.
    • 提供能够通过超声波脉冲的一次传输,在超声波传播方向上产生包括宽范围宽的宽波长的发射束的超声波检查仪。 针对构成传输孔径的每个元素计算与设置在超声波传播方向上的多个焦点的传输脉冲波的焦距相对应的多个传输延迟时间值的加权平均值,并将其用作延迟 时间。 波实际上以加权平均值作为延迟时间发送。 作为用于获得延迟时间平均值的权重,首先,选择根据每个传输焦距的传输有效孔径宽度,并且计算实现宽度的发射孔径的方向上的权重,并将其用于焦距 方向。 结果,传输的波的波前的曲率接近发射孔的中心部分的短焦距的波前的曲率,并且接近于长焦距的波前的曲率 在周边部分。 因此,形成非圆柱形波前。 因此,通过超声脉冲的一次发送,可以生成包括在超声波传播方向上的宽范围内具有均匀宽度的相对窄的主波束的发送波束。
    • 96. 发明申请
    • LIQUID CRYSTAL DISPLAY
    • 液晶显示器
    • US20060215096A1
    • 2006-09-28
    • US11277245
    • 2006-03-23
    • Yoshihisa IwamotoTakashi Sugiyama
    • Yoshihisa IwamotoTakashi Sugiyama
    • G02F1/1337
    • G02F1/13363G02F1/133634G02F1/133707G02F1/1393G02F2001/133531G02F2203/64
    • A liquid crystal display can include: first and second substrates; a first electrode formed on the first substrate; a first vertical alignment film formed above the first substrate; a second electrode formed on the second substrate; a second vertical alignment film formed above the second substrate; a liquid crystal layer sandwiched between and above the first and second substrates; a first polarizer having a first direction as a transmission axis direction and disposed facing a surface of the first substrate; and a second polarizer having a second direction as a transmission axis direction and disposed facing a surface of the second substrate, wherein the first and second polarizers are disposed, as viewed along a normal direction of the first and second substrates, in such a manner that the first direction crosses the second direction at an angle other than a right angle to realize a normally black display.
    • 液晶显示器可以包括:第一和第二基板; 形成在所述第一基板上的第一电极; 形成在第一基板上的第一垂直取向膜; 形成在第二基板上的第二电极; 形成在所述第二基板上的第二垂直取向膜; 夹在第一和第二基板之间和之上的液晶层; 第一偏振器,其具有作为透射轴方向的第一方向并面向第一基板的表面设置; 以及第二偏振器,其具有作为透射轴方向的第二方向并且面向所述第二基板的表面设置,其中当沿着所述第一和第二基板的法线方向观察时,所述第一偏振器和所述第二偏振器被设置成使得所述第一偏振器和所述第二偏振器 第一方向以除了直角以外的角度穿过第二方向,以实现常黑显示。
    • 100. 发明授权
    • Semiconductor memory with address input selection circuits
    • 具有地址输入选择电路的半导体存储器
    • US06809988B2
    • 2004-10-26
    • US10376019
    • 2003-02-26
    • Takashi Sugiyama
    • Takashi Sugiyama
    • G11C810
    • G11C29/88G11C29/83G11C29/883
    • A semiconductor memory having a plurality of memory cells includes a plurality of address pads for receiving plural address data bits, a plurality of address buffers for applying the address data bits to corresponding address decoders, and a plurality of address input selection circuits respectively provided between the address pads and the address buffers. The address input selection circuits each select one of a signal fixed at either the L-level or the H-level, a signal indicative of the address data bit applied from the corresponding address pad and a signal indicative of the address data bit applied from the address pad at the one-bit lower hierarchical level than the corresponding address pad, and then output the selected signal to the corresponding address buffer.
    • 具有多个存储单元的半导体存储器包括用于接收多个地址数据位的多个地址焊盘,用于将地址数据位施加到相应的地址解码器的多个地址缓冲器以及分别设置在该地址数据位之间的多个地址输入选择电路 地址栏和地址缓冲区。 地址输入选择电路各自选择固定在L电平或H电平的信号中的一个,指示从相应的地址焊盘施加的地址数据位的信号和指示从地址数据位施加的地址数据位的信号 地址栏位于相对应的地址块的一位下层级别,然后将选定的信号输出到相应的地址缓冲区。