ANTENNA SYSTEM WITH TWO ANTENNAS, MAINLY FOR NFC TRANSMISSION

    公开(公告)号:EP3391550A1

    公开(公告)日:2018-10-24

    申请号:EP16834110.5

    申请日:2016-12-19

    发明人: HUBINÁK, Emil

    IPC分类号: H04B5/00

    CPC分类号: H04B5/0031 H04B5/0081

    摘要: The antenna system has a solenoid antenna (2) with the ferrite core and the flat spiral antenna (1 ) with the quadrilateral shape of the loop. Each antenna (1, 2) has its own impedance matching (3). Antennas (1, 2) are placed in the same basic plane or in the mutually parallel basic planes and the longitudinal axes (4) of both antennas (1, 2) are parallel. The solenoid antenna (2) has a length which corresponds to the length of the flat spiral antenna (1 ). The magnetic middle of the flat spiral antenna (1 ) lies in the identical middle plane with the magnetic middle of the solenoid antenna (2). The distance between the longitudinal axis (4) of the solenoid antenna (2) and the longitudinal axis (4) of the flat spiral antenna (1 ) is at least 0,75 times the length of the solenoid antenna (2), preferably it has the value of the length of the solenoid antenna (2). The output from the receiving flat spiral antenna (1 ) is connected to the phase modulator (5) of the transmitting solenoid antenna (2) and the transmission of the solenoid antenna (2) is synchronized with the signal which is at the same time received by the receiving flat spiral antenna (1 ).

    VEHICLE ENTRY DEVICE, AND VEHICLE TRIM COMPONENT EQUIPPED WITH SUCH DEVICE

    公开(公告)号:EP3350780A1

    公开(公告)日:2018-07-25

    申请号:EP15787009.8

    申请日:2015-09-30

    IPC分类号: G07C9/00 H01Q1/32 H01Q7/00

    摘要: The invention concerns a vehicle entry device (1), designed to equip a vehicle and comprising: a housing (10) defining a cavity (13) and adapted to be fixed to the vehicle; and an electronics module (20) disposed in the cavity (13), including: a printed circuit board (21); an antenna (70) connected to the printed circuit board (21) and configured to capture a NFC signal, wherein the antenna (70) includes windings (71, 72, 73) directly arranged on the printed circuit board (21); an NFC receiver (50, 60) connected to the printed circuit board (21), in communication with the antenna (70) and configured to receive the NFC signal from the antenna (70); and a processing element (40) connected to the printed circuit board (21), in communication with the NFC receiver (50, 60) and configured to provide a control signal to a control system equipping the vehicle, based on the NFC signal transmitted by the NFC receiver (50, 60), said control signal allowing access to the vehicle. The invention also concerns a vehicle trim component equipped with such vehicle entry device (1).

    TRANSMISSION OF SIGNALS THROUGH A NON-CONTACT INTERFACE

    公开(公告)号:EP2845327B1

    公开(公告)日:2018-07-25

    申请号:EP13721310.4

    申请日:2013-04-26

    IPC分类号: H04B5/00

    摘要: A bi-directional transmission system for transmission of signals through a non-contact interface includes a transformer inductively coupling a first circuit to a second circuit. The second circuit includes at least a first transmitter circuit arranged to translate a first digital input signal into at least one voltage pulse and to provide the at least one voltage pulse to a first winding of the transformer, wherein the at least one voltage pulse takes a positive or negative form based on whether the first digital input signal has a positive or negative edge. The first circuit includes at least a first receiver circuit arranged to receive at least one induced voltage pulse from a second winding of the transformer and to provide a first digital output signal reflecting the first digital input signal based on the at least one induced voltage pulse.