Patent attributes
A system comprising a radar device and a mobile device. The radar device may be configured to operate when a vehicle is turned off, detect a presence of a person in the vehicle, determine an age range of the person detected and generate an alert signal in response to a presence signal and determining that the age range of the person detected corresponds to a child. The mobile device may be configured to communicate the presence signal to the radar device and determine a movement of the mobile device. The radar device may determine a distance of the mobile device from the vehicle in response to the presence signal. The radar device may suppress the alert signal when the distance of the mobile device is within a predetermined range of the vehicle and the mobile device is moving.
