A method for localizing a user device using a Time of Flight (ToF) antenna array disposed on a vehicle, the method includes determining, via a ToF localization controller, that the user device is less than a threshold distance from the vehicle, determining an angle of arrival via the ToF localization controller and the ToF antenna array, and generating an unlock signal that unlocks a vehicle door responsive to determining that the user device is less than the threshold distance from the vehicle door.

Antenna having a housing (3), a core (1) and a coil (2), which is wound around the core (1), the core (1) with the coil (2) in a potting compound (5) being mounted in the housing (3), the potting compound (5) being softer than 40 Shore A.

A transmission device for a motor vehicle for transmitting a radio signal is provided. A coil antenna is provided for emitting the radio signal, and an electric driver circuit is designed to generate an electric alternating current with a specified transmission frequency in the coil antenna. The coil antenna is arranged on at least one support element, and a parasitic parallel capacitance acting parallel to an intrinsic inductance of the coil antenna is produced by virtue of the geometry and/or the material of the at least one support element and/or by virtue of the shape of the coil antenna, the parasitic parallel capacitance together with the intrinsic inductance functioning as a parallel resonant circuit with a specified intrinsic resonant frequency with respect to the driver circuit.

A method and system for detecting if a relay is present in a PEPS system for a vehicle is provided which includes (a) transmitting LF signals from antennas associated with a vehicle to a key fob using a 3D LF receiver to measure the LF signal level on the x, y and z-axes; (b) selecting two or more parallel antennas associated with the vehicle that are orthogonal to the antenna at the PEPS triggering location; (c) normalizing the x, y and z vectors that are measured by the key fob for the selected two or more parallel antennas associated with the vehicle; and (d) determining if the normalized x, y and z vectors for the selected two or more parallel antennas associated with the vehicle are within a predefined range.

A vehicle, including: a first antenna module located inside the vehicle and including a communication antenna and a communication module; a second antenna module located outside the vehicle and including a communication antenna and a communication module; and a controller configured to control the first antenna module and the second antenna module to wirelessly communicate with each other, identify a distance from the vehicle to a digital key through a communication between the second antenna module and the digital key to control the vehicle, and identify whether the digital key is inside the vehicle by scanning the inside of the vehicle by the first antenna module to control the vehicle.

An antenna system mounted on a vehicle according to the present invention comprises: a first antenna comprising a plurality of conductive members and operating as a radiator in a first frequency band; and a second antenna disposed in the antenna system separate from the first antenna, and operating in a second frequency band higher than the first frequency band. The first antenna may include a loop antenna configured in a loop shape to surround the plurality of conductive members such that signals from the plurality of conductive members are coupled.

A passive entry passive start (PEPS) antenna is disclosed. In an embodiment an antenna includes an interface head component and a bobbin component comprising a ferrite core and a wire wound around the ferrite core, the wire being covered by an insulation, wherein the bobbin component and the interface head component are connectable to each other electrically and mechanically, and wherein the antenna is a PEPS antenna.

A non-contact object and/or gesture detection system includes at least one sensor configured to sense an object or motion within a field of view (FOV) using radio frequency radiation. Various sensor and brackets are provided which may allow a position and/or tilt of the sensor to be adjusted for controlling the FOV. A sensor housing includes a vent filter that breathable but impermeable to liquids. Various antenna designs are provided to provide desired FOV sizes and shapes, particularly for optimizing a radiation pattern that is relatively wide and shallow. A steerable antenna layout is also provided for controlling the location of the FOV without an adjustable bracket. A sensor housing including a projector mount for an icon projector is provided. A seal prevents debris from entering between the antenna and the bumper.

A compact automobile start switch with antenna including a button, a push switch assembly and an antenna assembly module is disclosed. The antenna assembly module is provided with an accommodating cavity in which the push switch assembly is arranged. The antenna assembly module includes an antenna module body, an antenna coil and a connector terminal. The antenna module body is provided with a winding area in which the antenna coil is arranged and a connector matching portion in which the antenna connector terminal is arranged. The antenna connector terminal comprises a connecting section, a fixing section and a terminal welding section and the antenna coil is directly connected with the terminal welding portion by a wire. The antenna coil is directly connected to the antenna connector terminal through the wire outside the antenna module body. The process of connecting the antenna module to the circuit of the PCBA is eliminated.

An antenna device (100) includes an antenna element (102) for emitting and receiving electromagnetic waves, a reflector (104) for reflecting the electromagnetic waves emitted from the antenna element (102), and a substrate (106) on which the antenna element (102) and the reflector (104) are positioned. The substrate (106) defines a main extension plane (108) extending along a horizontal direction (Y) and a lateral direction (X), wherein a vertical direction (Z) extends perpendicular to the horizontal direction (Y) and the lateral direction (X), and thus perpendicular to the main extension plane (108). The reflector (104) has a concave shape (112) in the vertical direction (Z) thereby spatially narrowing in the vertical direction (Z) the electromagnetic waves emitted by the antenna element (102), and has a convex shape (110) in the horizontal direction (Y) thereby spatially widening in the horizontal direction (Y) the electromagnetic waves emitted by the antenna element (102).