Patent 7961140 was granted and assigned to Bosch (company) on June, 2011 by the United States Patent and Trademark Office.
A multi-beam radar sensor has a plurality of antenna elements disposed next to each other, a collective lens situated at a distance in front of the antenna elements, and an additional preliminary focusing lens disposed in such a way that it affects only a portion of the radar radiation transmitted from, and/or received by, the antenna elements.