利索-全球专利检索

  1. 登录
  2. 注册

搜索结果

74 条记录 (耗时 0.052 秒)

    Signal processing apparatus
    2.
    发明授权
    Signal processing apparatus 失效
    信号处理装置

    公开(公告)号：US07469157B2

    公开(公告)日：2008-12-23

    申请号：US10779033

    申请日：2004-02-13

    申请人： Mohamed K. Diab ,  Esmaiel Kiani-Azarbayjany ,  Walter M. Weber

    发明人： Mohamed K. Diab ,  Esmaiel Kiani-Azarbayjany ,  Walter M. Weber

    IPC分类号： A61B5/1455

    CPC分类号： G06K9/0051 ,  A61B5/14551 ,  A61B5/7214 ,  A61B5/726 ,  H04B1/123

    摘要： A signal processor which acquires a first signal, including a first primary signal portion and a first secondary signal portion, and a second signal, including a second primary signal portion and a second secondary signal portion, wherein the first and second primary signal portions are correlated. The signals may be acquired by propagating energy through a medium and measuring an attenuated signal after transmission or reflection. Alternatively, the signals may be acquired by measuring energy generated by the medium. A processor of the present invention generates a primary or secondary reference signal which is a combination, respectively, of only the primary or secondary signal portions. The secondary reference signal is then used to remove the secondary portion of each of the first and second measured signals via a correlation canceler, such as an adaptive noise canceler, preferably of the joint process estimator type. The primary reference signal is used to remove the primary portion of each of the first and second measured signals via a correlation canceler. The processor of the present invention may be employed in conjunction with a correlation canceler in physiological monitors wherein the known properties of energy attenuation through a medium are used to determine physiological characteristics of the medium. Many physiological conditions, such as the pulse, or blood pressure of a patient or the concentration of a constituent in a medium, can be determined from the primary or secondary portions of the signal after other signal portion is removed.

    摘要翻译： 一种信号处理器，其获取包括第一主信号部分和第一辅助信号部分的第一信号和包括第二主信号部分和第二辅信号部分的第二信号，其中第一和第二主信号部分相关 。 信号可以通过传播能量通过介质并在透射或反射之后测量衰减信号来获取。 或者，可以通过测量由介质产生的能量来获取信号。 本发明的处理器分别产生主要或次要参考信号，其仅是主要信号部分或次要信号部分的组合。 然后，辅助参考信号用于经由相关消除器（例如自适应噪声消除器）去除第一和第二测量信号中的每一个的次级部分，优选地是联合过程估计器类型。 主要参考信号用于通过相关消除器去除第一和第二测量信号中的每一个的主要部分。 本发明的处理器可以与生理监视器中的相关消除器一起使用，其中通过介质的能量衰减的已知特性用于确定介质的生理特性。 可以从消除其他信号部分之后的信号的主要部分或次要部分确定许多生理条件，例如患者的脉搏或血压或培养基中成分的浓度。

    SIGNAL PROCESSING APPARATUS
    9.
    发明申请
    SIGNAL PROCESSING APPARATUS 审中-公开
    信号处理装置

    公开(公告)号：US20110245654A1

    公开(公告)日：2011-10-06

    申请号：US13159341

    申请日：2011-06-13

    申请人： Mohamed K. Diab ,  Esmaiel Kiani-Azarbayjany ,  Walter M. Weber

    发明人： Mohamed K. Diab ,  Esmaiel Kiani-Azarbayjany ,  Walter M. Weber

    IPC分类号： A61B6/00

    CPC分类号： G06K9/0051 ,  A61B5/14551 ,  A61B5/7214 ,  A61B5/726 ,  H04B1/123

    摘要： A signal processor which acquires a first signal, including a first primary signal portion and a first secondary signal portion, and a second signal, including a second primary signal portion and a second secondary signal portion, wherein the first and second primary signal portions are correlated. The signals may be acquired by propagating energy through a medium and measuring an attenuated signal after transmission or reflection. Alternatively, the signals may be acquired by measuring energy generated by the medium. A processor of the present invention generates a primary or secondary reference signal which is a combination, respectively, of only the primary or secondary signal portions. The secondary reference signal is then used to remove the secondary portion of each of the first and second measured signals via a correlation canceler, such as an adaptive noise canceler, preferably of the joint process estimator type. The primary reference signal is used to remove the primary portion of each of the first and second measured signals via a correlation canceler. The processor of the present invention may be employed in conjunction with a correlation canceler in physiological monitors wherein the known properties of energy attenuation through a medium are used to determine physiological characteristics of the medium. Many physiological conditions, such as the pulse, or blood pressure of a patient or the concentration of a constituent in a medium, can be determined from the primary or secondary portions of the signal after other signal portion is removed.

    摘要翻译： 一种信号处理器，其获取包括第一主信号部分和第一辅助信号部分的第一信号和包括第二主信号部分和第二辅信号部分的第二信号，其中第一和第二主信号部分相关 。 信号可以通过传播能量通过介质并在透射或反射之后测量衰减信号来获取。 或者，可以通过测量由介质产生的能量来获取信号。 本发明的处理器分别产生主要或次要参考信号，其仅是主要信号部分或次要信号部分的组合。 然后，辅助参考信号用于经由相关消除器（例如自适应噪声消除器）去除第一和第二测量信号中的每一个的次级部分，优选地是联合过程估计器类型。 主要参考信号用于通过相关消除器去除第一和第二测量信号中的每一个的主要部分。 本发明的处理器可以与生理监视器中的相关消除器一起使用，其中通过介质的能量衰减的已知特性用于确定介质的生理特性。 可以从消除其他信号部分之后的信号的主要部分或次要部分确定许多生理条件，例如患者的脉搏或血压或培养基中成分的浓度。