会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 9. 发明授权
    • Method and apparatus for ultrasound diagnosis that reduces interference and restores missed signals
    • 用于超声诊断的方法和装置,其减少干扰并恢复遗漏信号
    • US09354301B2
    • 2016-05-31
    • US13493464
    • 2012-06-11
    • Hwan ShimYoung-Tae Kim
    • Hwan ShimYoung-Tae Kim
    • A61B8/00G01S7/52G01S15/89
    • G01S7/52077G01S7/52023G01S7/52026G01S15/8979
    • A method and apparatus for ultrasound diagnosis that reduces interference and restores missed signals, is provided. The method of ultrasound diagnosis includes operations of receiving a Doppler signal having at least one gap; respectively obtaining model parameter sets of first and second Doppler signals by using Doppler signal periods before and after a start of the at least one gap; synthesizing first and second Doppler information by respectively using the model parameter sets of the first and second Doppler signals; and generating Doppler information for the at least one gap by cross-fading the synthesized first and second Doppler information. The apparatus includes a transformer for transforming received I and Q signals into stereo audio signals using a Hilbert transform; and a source separator which removes interference from the stereo audio signals by performing source separation on the stereo audio signals.
    • 提供了一种减少干扰并恢复丢失信号的超声诊断方法和装置。 超声诊断方法包括接收具有至少一个间隙的多普勒信号的操作; 分别通过在所述至少一个间隙开始之前和之后的多普勒信号周期获得第一和第二多普勒信号的模型参数集合; 通过分别使用第一和第二多普勒信号的模型参数集合合成第一和第二多普勒信息; 以及通过使合成的第一和第二多普勒信息交叉衰落来产生用于所述至少一个间隙的多普勒信息。 该装置包括用于使用希尔伯特变换将接收的I和Q信号变换成立体声音频信号的变压器; 以及源分离器,其通过对立体声音频信号执行源分离来消除来自立体声音频信号的干扰。
    • 10. 发明申请
    • RECEPTION AND TRANSMISSION CIRCUIT FOR A CAPACITIVE MICROMACHINED ULTRASONIC TRANSDUCER
    • 电容式微型超声波传感器的接收和传输电路
    • US20160076933A1
    • 2016-03-17
    • US14750312
    • 2015-06-25
    • STMicroelectronics S.r.l.
    • Antonio Davide LeoneDavide Ugo GhisuFabio Quaglia
    • G01H11/06G01S7/52G10K11/18
    • G01H11/06B06B1/0207B06B2201/51B06B2201/76G01S7/52019G01S7/52023G10K11/18
    • Described herein is a transceiver circuit for a capacitive micromachined ultrasonic transducer (CMUT), provided with: a transmitter stage, which generates excitation pulses for a first node of the CMUT transducer during a transmitting phase, a second node of the CMUT transducer being coupled to a biasing voltage; a receiver stage that is selectively coupled to the first node during a receiving phase and has an amplification stage; a switching stage that couples the receiver stage to the first node during the receiving phase and decouples the receiver stage from the first node during the transmitting phase. The amplification stage is provided with a charge amplifier that has an input terminal and is biased as a function of a biasing voltage; and the switching stage is coupled to the same biasing voltage thereby minimizing an injection of charge into the input terminal upon switching from the transmitting phase to the receiving phase.
    • 这里描述的是用于电容微加工超声换能器(CMUT)的收发器电路,其提供有:发射器级,其在发射阶段期间为CMUT换能器的第一节点产生激励脉冲,CMUT换能器的第二节点耦合到 偏置电压; 在接收阶段期间选​​择性地耦合到第一节点并具有放大级的接收机级; 切换阶段,在接收阶段将接收机级耦合到第一节点,并在发射阶段将接收机级与第一节点分离。 放大级具有电荷放大器,其具有输入端并作为偏置电压的函数被偏置; 并且开关级耦合到相同的偏置电压,从而在从发送阶段切换到接收阶段时最小化到输入端子中的电荷注入。