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    SYSTEMS AND METHODS FOR ACTIVATING VEHICLE FUNCTIONS
    4.
    发明申请
    SYSTEMS AND METHODS FOR ACTIVATING VEHICLE FUNCTIONS 审中-公开

    公开(公告)号：WO2020189435A1

    公开(公告)日：2020-09-24

    申请号：PCT/JP2020/010480

    申请日：2020-03-11

    Applicant: DENSO INTERNATIONAL AMERICA, INC. ,  DENSO CORPORATION

    Inventor： GOLSCH Kyle

    IPC: E05B49/00 ,  H04Q9/00 ,  B60R25/24

    Abstract: Systems and methods are provided and include a processor configured to execute instructions stored in a computer-readable medium. The instructions include determining whether movement data associated with a user device (10) and location data associated with the user device indicates that the user device is approaching a first location, determining whether the location data matches the movement data and a measured signal strength associated with at least one sensor of a vehicle (30), wherein the measured signal strength indicates a signal strength of a communication link between the user device and a control module (20) of a vehicle, and determining that the user device is approaching the first location in response to a determination that the location data matches the movement data and the measured signal strength.

    PASSIVE ENTRY/PASSIVE START SYSTEMS DETECTING RANGE EXTENDER TYPE RELAY STATION ATTACKS
    7.
    发明申请
    PASSIVE ENTRY/PASSIVE START SYSTEMS DETECTING RANGE EXTENDER TYPE RELAY STATION ATTACKS 审中-公开

    公开(公告)号：WO2020077222A1

    公开(公告)日：2020-04-16

    申请号：PCT/US2019/055857

    申请日：2019-10-11

    Applicant: DENSO INTERNATIONAL AMERICA, INC. ,  DENSO CORPORATION

    Inventor： STITT, Raymond Michael ,  GOLSCH, Kyle ,  GUTHRIE, Warren

    IPC: G07C9/00 ,  B60R25/20 ,  G01S11/02

    Abstract: A system for detecting a range extension type relay attack includes a transmitter, a receiver and a module. The transmitter transmits a RF signal from one of a vehicle and a portable access device to the other one of the vehicle and the portable access device. The receiver receives a response signal in response to the RF signal. The module: generates a parameter associated with the transmission of the RF signal and the reception of the response signal; based on the parameter, detects the range extension type relay attack performed by an attacking device, where at least one of (i) the RF signal is relayed via the attacking device from the vehicle to the portable access device, or (ii) the response signal is relayed via the attacking device from the portable access device to the vehicle; and perform a countermeasure in response to detecting the range extension type relay attack.

    CIRCULAR POLARIZED ANGLE OF ARRIVAL MEASUREMENT SYSTEM
    9.
    发明申请
    CIRCULAR POLARIZED ANGLE OF ARRIVAL MEASUREMENT SYSTEM 审中-公开

    公开(公告)号：WO2020022340A1

    公开(公告)日：2020-01-30

    申请号：PCT/JP2019/028878

    申请日：2019-07-23

    Applicant: DENSO INTERNATIONAL AMERICA, INC. ,  DENSO CORPORATION

    Inventor： STITT Raymond Michael ,  VIDETICH John

    IPC: G01S11/04

    Abstract: Methods and systems are disclosed and include receiving, at a plurality of azimuth angles, a signal via a first communication channel and a second signal via a second communication channel. The method includes determining a plurality of first and second communication channel phase angle differences of the antenna system that each correspond to one of the plurality of azimuth angles. The method includes generating a first reference curve and a second reference curve based on the plurality of first and second communication channel phase angle differences, respectively. The method includes determining a first set and a second set of phase difference limits, and for each set, the method includes: identifying a minimum and maximum capping region; determining a minimum phase difference limit based on a central location of the minimum capping region; and determining a maximum phase difference limit based on a central location of the maximum capping region.

    CIRCULAR POLARIZED QUADRIFILAR HELIX ANTENNAS
    10.
    发明申请
    CIRCULAR POLARIZED QUADRIFILAR HELIX ANTENNAS 审中-公开

    公开(公告)号：WO2019246365A1

    公开(公告)日：2019-12-26

    申请号：PCT/US2019/038183

    申请日：2019-06-20

    Applicant: DENSO INTERNATIONAL AMERICA, INC. ,  DENSO CORPORATION

    Inventor： GUTHRIE, Warren ,  STITT, Raymond Michael ,  CHIKHALENKO, Feliks ,  WATANABE, Shinji ,  KRISHNAMURTHY, Jagadeesh

    IPC: H01Q1/36 ,  H01Q1/38 ,  H01Q11/08 ,  H01Q19/10

    Abstract: Apparatus and systems are disclosed and include a body having a plurality of slots. Each of the plurality of slots includes a first portion, a second portion, and a third portion. The first portion is located on a first surface of the body. The second portion is located on a second surface of the body and forms a helical shape. The third portion is located on a third surface of the body. The first surface and the second surface are non-parallel. The third surface and the second surface are non-parallel. The apparatus includes a plurality of antenna elements that are disposed in a respective one of the plurality of slots. The plurality of antenna elements is configured to receive radio frequency (RF) signals. The apparatus includes a ground plane that is coupled to a first end of each of the plurality of antenna elements.

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