The techniques of this disclosure relate to a detection device. The device includes a housing attached to an exterior portion of a vehicle and a printed circuit board. The device also includes a first sensor mounted to the printed circuit board and configured to detect first objects. The device also includes a second sensor mounted to the printed circuit board and configured to detect second objects different from the first objects. The second sensor detects the second objects based on radio frequency (RF) signals emitted by the second objects. The second objects are co-located with the first objects, and the second sensor detects the second objects when the first objects are undetected by the first sensor. The device improves a coverage of a radiation pattern of the antennas around a vehicle and reduces ADAS sensor system packaging costs.

A transmission control device that drives multiple antennas having different transmission ranges controls a genuine transmission antenna among the multiple antennas to transmit, with use of a carrier wave, a genuine code for activating a portable device and a noise determination purpose burst signal for determining a noise in the portable device after the transmission of the genuine code, and controls each antenna of a remaining antenna group, which includes remaining antennas except the genuine transmission antenna, to transmit the noise determination purpose burst signal at a transmission time point, which is set different from one another and shifted from a transmission time point of the noise determination purpose burst signal from the genuine transmission antenna. The transmission ranges of the multiple antennas including the genuine transmission antenna are set to not have a common area.

A method for determining presence of a person's hand at an exterior door handle assembly for a vehicular door includes providing an exterior door handle assembly having a base portion, a handle portion and a pocket lighting and sensing module, with the pocket lighting and sensing module including at least one light emitting diode and at least one light sensor. With the base portion mounted at the exterior door handle region of the vehicular door, the light emitting diode is energized to emit light to illuminate a pocket surface at the base portion, and the light sensor light senses light emitted by the light emitting diode that is reflected off the pocket surface at the base portion. Responsive to light sensed by the light sensor being below a threshold level, the pocket lighting and sensing module determines a presence of a person's hand at the handle portion.

A distance measurement apparatus of an embodiment includes a first device provided in a vehicle and a second device provided in a key-fob, and calculates a distance between the vehicle and the key-fob based on carrier phase detection. In at least one of the first device and the second device, transmission powers at which a plurality of first distance measurement signals are respectively transmitted when the key-fob is inside the vehicle are set to be lower than transmission powers at which a plurality of first distance measurement signals are respectively transmitted when the key-fob is outside the vehicle.

A method is proposed for calibrating a position detection of a portable key element by an access control system for a motor vehicle. The access control system comprises a detection device which is configured to detect a position of the key element relative to the motor vehicle by means of radio. The method comprises generating a first trigger signal when the key element is located in a first position relative to the motor vehicle and detecting a first signal strength in response to the first trigger signal. The method determines a correlation of signal strength and distance of the key element relative to the motor vehicle depending on the first signal strength at the first position. Furthermore, an access control system for a motor vehicle is proposed.

A vehicle control apparatus includes a first vehicle communication unit performing communication with a mobile terminal, a first distance measuring unit measuring, with first precision, a vehicle-terminal distance being a distance between a vehicle and the mobile terminal, a terminal position information obtaining unit obtaining terminal position information transmitted from the mobile terminal, a second distance measuring unit measuring the vehicle-terminal distance with second precision being measurement precision lower than the first precision based on the terminal position information, and a high-precision distance measurement determining unit determining whether the first distance measuring unit is caused to measure the vehicle-terminal distance or not based on the vehicle-terminal distance measured by the second distance measuring unit.

A car sharing system includes a car sharing device that actuates an onboard device by performing communication with an electronic key system through ID verification when a user operates the onboard device in an authentication completion state in which key information has been authenticated through wireless communication with the portable terminal, a radio wave checker that checks radio waves transmitted from the electronic key system in accordance with a state of a vehicle power supply when the onboard device is operated with the portable terminal and a key control request corresponding to the operation with the portable terminal is transmitted from the portable terminal to the car sharing device so that the car sharing device actuates the electronic key system, and a warning controller that issues a warning indicating that one has forgotten to stop the vehicle power supply in accordance with a checking result of the radio wave checker.

The invention relates to a device (10) for a vehicle (1) for detecting an activation action in a detection region (51), and in particular for mounting on a vehicle part (5), in order to activate a function of the vehicle (1) depending on the detection, comprising: a multi-layer printed circuit board (20), at least one electrically conductive sensor element (31) for capacitive sensing in the detection region (51), wherein the sensor element (31) is arranged on the printed circuit board (20), at least two shielding elements (40) for shielding (41) for the sensing.

A system for includes master and sniffer devices. The master device includes: first antennas with different polarized axes; a transmitter transmitting a challenge signal via the first antennas from the vehicle to a slave device, where the slave device is a portable access device; and a receiver receiving a response signal in response to the challenge signal from the slave device. The sniffer device includes: second antennas with different polarized axes; and a receiver receiving, via the second antennas, the challenge signal from the transmitter and the response signal from the slave device. The sniffer device measures when the challenge signal and the response signal arrive at the sniffer device to provide arrival times. The master or sniffer device estimates at least one of a distance from the vehicle to the slave device or a location of the slave device relative to the vehicle based on the arrival times.

A vehicular exterior component, such as a handle assembly for a closure of a vehicle, includes a force-based sensor disposed behind an outer wall and responsive to forces applied thereto. The vehicular exterior component may include a force-sensitive printed circuit board (PCB) configured to detect touch forces at either of an inner surface or an outer surface of the outer wall of the vehicular exterior component and to distinguish between those different touch forces in order to provide corresponding unlock or lock signals. A short-range RADAR antenna may be disposed within the vehicular exterior component and adjacent to the outer wall. A passive keyless entry (PKE) antenna may also disposed within the vehicular exterior component and adjacent to the outer wall.