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    • 87. 发明申请
    • LOCKING SYSTEM, IN PARTICULAR FOR A MOTOR VEHICLE
    • US20220118943A1
    • 2022-04-21
    • US17293106
    • 2020-07-09
    • MARQUARDT GMBH
    • Andreas BECHER
    • B60R25/24G07C9/00
    • The invention relates to a locking system (3), in particular for providing authorization to access and/or drive of a motor vehicle (1) in the manner of a keyless entry/go functionality. The locking system (3) comprises a first device (4), having at least two states and being configured as a control system, such as a control system for releasing and/or locking the car doors (6), the ignition lock, the steering wheel lock, for releasing and/or blocking the immobilizer, the motor control device or the like, and an associated second device (5) in the form of an electronic key, an ID transmitter, a chip card or the like. Both devices (4, 5) comprise for the operation thereof transmission and/or receiving units for the transmission of in particular electromagnetic signals (7), wherein the transmission and/or receiving unit has an antenna for transmitting the signals (7). At least one of the signals (7) transmitted between the second device (5) and the first device (4) is a coded operating signal for authenticating said second device (5) in such a way that once the transmitted operating signal has been positively identified for the authorized second device (5), the state of the first device (4) can be modified. The transmission and/or receiving unit (10) for the first device (4) comprises two antennae (11, 12). Furthermore, a signal distributor (13) in the form of a power splitter is provided for both antennae (11, 12). The transmission and/or receiving unit (10) is in communication with both antennae (11, 12) via the signal distributor (13).