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    TOUCHLESS SENSING AND GESTURE RECOGNITION USING CONTINUOUS WAVE ULTRASOUND SIGNALS
    1.
    发明授权
    TOUCHLESS SENSING AND GESTURE RECOGNITION USING CONTINUOUS WAVE ULTRASOUND SIGNALS 有权

    公开(公告)号：EP2588939B1

    公开(公告)日：2018-12-12

    申请号：EP11730838.7

    申请日：2011-06-29

    申请人： Qualcomm Incorporated

    发明人： LI, Ren ,  LEE, Te-Won ,  NELSON, Hui-ya, L. ,  GUPTA, Samir, K.

    IPC分类号： G06F3/01 ,  G01S15/50 ,  G01S15/32 ,  G01S15/87

    CPC分类号： G06F3/011 ,  G01S7/5273 ,  G01S15/325 ,  G01S15/50 ,  G01S15/876 ,  G06F3/017

    摘要： The embodiments provide systems and methods for touchless sensing and gesture recognition using continuous wave sound signals. Continuous wave sound, such as ultrasound, emitted by a transmitter may reflect from an object, and be received by one or more sound receivers. Sound signals may be temporally encoded. Received sound signals may be processed to determine a channel impulse response or calculate time of flight. Determined channel impulse responses may be processed to extract recognizable features or angles. Extracted features may be compared to a database of features to identify a user input gesture associated with the matched feature. Angles of channel impulse response curves may be associated with an input gesture. Time of flight values from each receiver may be used to determine coordinates of the reflecting object. Embodiments may be implemented as part of a graphical user interface. Embodiments may be used to determine a location of an emitter.

    TRAITEMENT ADAPTATIF DE FORMATION DE VOIES POUR SONAR ACTIF
    4.
    发明公开
    TRAITEMENT ADAPTATIF DE FORMATION DE VOIES POUR SONAR ACTIF 有权
    道构成主动声纳自适应处理

    公开(公告)号：EP2558881A1

    公开(公告)日：2013-02-20

    申请号：EP11714763.7

    申请日：2011-04-14

    申请人： Thales

    发明人： DOISY, Yves ,  DERUAZ-PEPIN, Laurent

    IPC分类号： G01S7/527 ,  G01S15/52

    CPC分类号： G01S7/5273 ,  G01S15/52

    摘要： The invention relates to a method enabling the formation of adaptive reception paths for a system comprising an antenna consisting of a plurality of sensors. The method according to the invention involves first grouping the sensors according to a given arrangement, so as to constitute N sub-antennas, the phase centers of which are mutually separated by a distance smaller than the correlation length of the received noise or interference. Secondly, the method involves forming, for each sub-antenna, M primary reception paths in given directions. Thirdly and finally, the method involves forming, by adaptive processing, M secondary reception paths. Each of the secondary paths, pointing in a direction m, is formed from the N primary reception paths pointing in the same direction m and formed for each of the N sub-antennas.

    TARGET DETECTION DEVICE, TARGET DETECTION CONTROL PROGRAM, AND TARGET DETECTION METHOD
    5.
    发明公开
    TARGET DETECTION DEVICE, TARGET DETECTION CONTROL PROGRAM, AND TARGET DETECTION METHOD 审中-公开
    ZIELERKENNUNGSVORRICHTUNG，ZIELERKENNUNGSSTEUERPROGRAMM UND ZIELERKENNUNGSVERFAHREN

    公开(公告)号：EP2345910A1

    公开(公告)日：2011-07-20

    申请号：EP09824836.2

    申请日：2009-11-05

    申请人： NEC Corporation ,  Kikuchi, Toshiaki

    发明人： KIKUCHI Toshiaki ,  TSURUGAYA Yoshiaki

    IPC分类号： G01S15/46 ,  G01S7/526 ,  G01S15/89

    CPC分类号： G01S11/14 ,  G01S7/5273 ,  G01S7/53 ,  G01S7/54 ,  G01S15/003 ,  G01S15/04 ,  G01S15/101 ,  G01S15/876

    摘要： A target detection device includes: a sound source which projects a sound pulse; a transducer army disposed in a region for receiving a forward scattered wave from an object in the propagation environement; an addition processing unit which extracts only a signal of the forward scattered wave by applying vector addition processing on a reference signal in a reference sound field received when an obstacle exists in the propagation environment and a mixed signal in a mixed sound field received when the target exists with the obstacle; a phase conjugation determination unit which checks whether a phase conjugacy is established by receiving the signal of the extracted forward scattered wave and employing a passive phase conjugation for determining the reference sound field; and a time reversal processing unit wich generates a time reversal signal on condition that the phase conjugation determination unit judges that the phase conjugacy is established.

    摘要翻译： 目标检测装置包括：投射声脉冲的声源; 设置在用于从传播环境中的物体接收前向散射波的区域中的传感器陆军; 一个加法处理单元，其仅在传播环境中存在障碍物时接收到的参考声场中的参考信号上施加矢量相加处理，并且当目标接收到的混合声场中的混合信号时，仅提取前向散射波的信号 存在障碍; 相位共轭确定单元，其通过接收所提取的前向散射波的信号并采用用于确定参考声场的被动相位共轭来检查相位共轭度是否被建立; 以及时间反转处理单元，其在相位共轭确定单元判断相位共轭性被建立的条件下产生时间反转信号。

    HIGH RESOLUTION IMAGES FROM REFLECTED WAVE ENERGY
    8.
    发明公开
    HIGH RESOLUTION IMAGES FROM REFLECTED WAVE ENERGY 有权
    高清晰度的图像因反射波能量

    公开(公告)号：EP1774360A1

    公开(公告)日：2007-04-18

    申请号：EP05763489.1

    申请日：2005-07-12

    申请人： Imagenex Technology Corp.

    发明人： WILSON, Douglas, James

    IPC分类号： G01S7/04 ,  G01S13/89 ,  G09G5/10

    CPC分类号： G01S7/5273 ,  G01S7/53 ,  G01S7/56 ,  G01S15/89

    摘要： A process and apparatus for producing signals for controlling a display to produce an image in an imaging system employing a plurality of transducers. First and second beam signals are produced in response to delayed channel signals associated with respective transducers, the delayed channel signals representing real and imaginary components of time domain signals associated with respective transducers suitably delayed to focus a receive beam pattern of the transducers at a beam angle, each of the first and second beam signals including separate real and imaginary component representations. The real and imaginary components of the first and second beam signals are combined to produce a composite beam signal, the composite beam signal including separate real and imaginary component representations. A trigonometric expansion is performed on normalized values of the real and imaginary component representations of the composite beam signal to produce a plurality of expanded values and illumination signals are produced in response to the expanded values, for illuminating pixels on the display.