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    • 81. 发明授权
    • Ultrasonograph
    • 超声波检查
    • US07125384B2
    • 2006-10-24
    • US10504564
    • 2003-02-18
    • Morio NishigakiYoshihiko ItoTakao Suzuki
    • Morio NishigakiYoshihiko ItoTakao Suzuki
    • A61B8/00G01N29/00
    • G10K11/346G01S7/52046G01S7/52047G10K11/34
    • An ultrasonic diagnostic apparatus is disclosed which can reduce the device amount of a receiving circuit, while obtaining the shape of an excellent received beam. In this ultrasonic diagnostic apparatus, a plurality of transducer elements are arrayed and used as an ultrasonic probe, and the transducer elements are driven by a plurality of transmission driving circuit. The signal received by the transducer element is distributed to any of a plurality of input terminals of a cross point switch beam former. The received signals of the three transducer elements near the center of the aperture of the ultrasonic probe are added and inputted to one terminal of a beam former. The second, fourth and sixth transducer elements at the end of the aperture are not connected to the beam former. The signals received by the transducer elements are delay-added by the beam former. The delay precision can be improved, and the beam shape can be made sharper, thereby improving the image quality of the ultrasonic image.
    • 公开了一种超声波诊断装置,其可以在获得良好的接收波束的形状的同时,减小接收电路的装置量。 在该超声波诊断装置中,多个换能器元件被排列并用作超声波探头,并且换能器元件由多个传动驱动电路驱动。 由换能器元件接收的信号被分配到交叉点开关束形成器的多个输入端中的任何一个。 在超声波探头的孔径的中心附近的三个换能器元件的接收信号被添加并输入到波束形成器的一个端子。 在孔的端部处的第二,第四和第六换能器元件不连接到束形成器。 由换能器元件接收的信号由波束成形器延迟。 可以提高延迟精度,并且可以使光束形状更清晰,从而提高超声波图像的图像质量。
    • 86. 发明授权
    • Digital blocks television tuner having simple baseband signal processing portion
    • 具有简单基带信号处理部分的数字电视调谐器
    • US06559899B1
    • 2003-05-06
    • US09598966
    • 2000-06-21
    • Takao SuzukiAkira TakayamaShigeru Osada
    • Takao SuzukiAkira TakayamaShigeru Osada
    • H04N550
    • H04N5/4446H03D3/008H04N5/4401H04N5/455H04N21/4263
    • A digital television tuner is realized in which the construction of a baseband signal processing portion is simple, it is difficult for a local oscillation signal to leak to the input end side, and in which image interference is suppressed. The digital television tuner includes a frequency conversion device for converting the frequency of a digital television signal of a channel to be received from among channels arranged in a predetermined frequency band into the highest frequency of the frequency band or higher; two mixing devices for outputting two baseband signals whose phases are mutually orthogonal to each other by demodulating the frequency-converted digital television signal; a local oscillation device for inputting local oscillation signals whose phases are mutually orthogonal to each other to the two mixing devices; and an addition device for adding together the two baseband signals, wherein the frequency of the local oscillation signals is set to be the same frequency as the frequency at the end of the band in the channel of the frequency-converted digital television signal, and one of the baseband signals is converted into the same phase as that of the other, after which the signals are input to the addition device.
    • 实现数字电视调谐器,其中基带信号处理部分的构造简单,本地振荡信号难以泄漏到输入端侧,并且抑制了图像干扰。 数字电视调谐器包括:频率转换装置,用于将布置在预定频带中的频道中的要接收的频道的数字电视信号的频率转换为频带的最高频率; 两个混合装置,用于通过解调频率转换的数字电视信号来输出相位彼此相互正交的两个基带信号; 本地振荡装置,用于输入其相位彼此相互正交的本地振荡信号到两个混合装置; 以及用于将两个基带信号相加在一起的加法装置,其中本地振荡信号的频率被设置为与频率转换的数字电视信号的信道中的频带末端的频率相同的频率,一个 的基带信号被转换成与另一个基带信号相同的相位,之后信号被输入到加法装置。
    • 87. 发明授权
    • Ultrasonic diagnostic imaging system
    • 超声诊断成像系统
    • US06344023B1
    • 2002-02-05
    • US09699458
    • 2000-10-31
    • Hiroshi FukukitaMorio NishigakiTakao Suzuki
    • Hiroshi FukukitaMorio NishigakiTakao Suzuki
    • A61B800
    • A61B8/08G01S7/52038G01S7/52046
    • A nonlinear distortion-based ultrasonic diagnostic imaging system displays a raised-resolution video of tissue inside a body at an increased frame rate. Using a two-pulse technique, a transducer driver supplies narrower-width and wider-width driving pulses to a transducer, which transmits weaker and stronger ultrasonic wave pulses alternately while putting the same intervals between adjacent ultrasonic wave pulses to obtain a weaker echo and a stronger echo. An equalizer equalizes each weaker echo to the stronger echo into an equalized weaker echo. An interpolator calculates an interpolation value between the equalized weaker echo and an equalized previous weaker echo obtained from a previous weaker echo. For each weaker ultrasonic wave pulse, a detector finds a difference between the interpolation value and a stronger echo obtained between the weaker echo and the previous weaker echo. The equalization and interpolation enables high-speed scanning, which has not been achieved with two-pulse technique. Thus, a raised-resolution video signal of the tissue is formed at an increased frame rate on the basis of the difference signal and a scan control signal which is also used in the transducer.
    • 基于非线性失真的超声诊断成像系统以增加的帧速率显示身体内的组织的升高分辨率视频。 使用双脉冲技术,换能器驱动器向传感器提供较窄宽度和宽宽度的驱动脉冲,其在相邻超声波脉冲之间施加相同的间隔以交替地传递较弱和更强的超声波脉冲以获得较弱的回波和 更强的回声。 均衡器将每个较弱的回波与较强的回波均衡,达到平衡较弱的回波。 内插器计算均衡的较弱回波和从先前更弱的回波获得的均衡的先前更弱的回波之间的内插值。 对于每个较弱的超声波脉冲,检测器发现内插值与较弱回波和先前较弱回波之间获得的较强回波之间的差异。 均衡和内插可实现高速扫描,这是双脉冲技术尚未实现的。 因此,基于差分信号和在换能器中也使用的扫描控制信号,以增加的帧速率形成组织的升高分辨率的视频信号。
    • 90. 发明授权
    • Load cell weighing apparatus using the same
    • 称重传感器称重装置使用该装置
    • US5929390A
    • 1999-07-27
    • US527090
    • 1995-09-12
    • Kazufumi NaitoTakao SuzukiTaro Hijikata
    • Kazufumi NaitoTakao SuzukiTaro Hijikata
    • G01G3/14G01L1/22G01G3/08
    • G01L1/2281G01G3/1412G01L1/2243G01L1/2262G01L1/2275
    • A load cell includes a strain inducing element having a fixed rigid body fixedly secured to a base support, and a plurality of transverse beams spaced one above the other and connecting the fixed and movable rigid bodies together. Each of the transverse beams has first and second strain generating areas defined therein in spaced relation to each other at respective locations adjacent the fixed and movable rigid bodies. A bridge circuit for outputting a load signal of a magnitude proportional to strains generated at the strain generating areas includes strain gauges for detecting the strains generated at the strain generating areas, adjusting elements for adjusting a balance of the bridge circuit, and lines connecting them together. A circuit portion of the bridge circuit which includes at least the strain gauge and some of the lines is formed in a predetermined pattern on one surface of the strain inducing element so as to straddle between the first and second strain generating areas. Not only is the circuit portion symmetrical with respect to a point intermediate between the first and second strain generating areas, but also the strain inducing element has left and right portions, including the fixed and movable rigid bodies, which are symmetrical to each other.
    • 测力传感器包括应变诱导元件,其具有固定地固定到基座支撑件上的固定刚体,以及多个横向梁,其横向间隔开并将固定和移动的刚体连接在一起。 每个横梁具有限定在其中的第一和第二应变产生区域,其中相邻于固定和可移动刚体的相应位置彼此间隔开。 用于输出与在应变产生区域产生的应变成比例的大小的负载信号的桥接电路包括用于检测在应变产生区域处产生的应变的应变计,用于调整桥接电路的平衡的调整元件以及将它们连接在一起的线 。 至少包括应变计和一些线路的电路电路的电路部分以预定的图案形成在应变诱发元件的一个表面上,以跨越第一和第二应变产生区域。 电路部分不仅相对于第一和第二应变产生区域之间的点对称,而且应变引发元件还具有彼此对称的左右部分,包括固定和移动的刚体。