Patent ID: 8599363

Claim:
An object detection tracking system for a vehicle comprising: a first modulated light source disposed on a first region of the vehicle for transmitting a first light signal with a first propagation pattern into a target region; a second modulated light source disposed on a second region of the vehicle for transmitting a second light signal with a second propagation pattern into the target region; a sensor including at least one pixel disposed on the vehicle for measuring light reflected off objects in the target region; and a controller for demodulating the measured light to detect when the first or second light signals are received, the controller determining respective ranges in response to a time delay associated with the at least one pixel from a time when the first or second light signal is transmitted until the corresponding light signal is detected to generate a first set of range data for the first light signal and a second set of range data for the second light signal; wherein the controller maintains an object tracking list that includes a position of detected objects relative to the vehicle, and wherein the position of each object is determined using trilateration of the first and second sets of range data.