Low-profile multiple-beam lens antenna

An antenna is provided for transmitting and receiving electromagnetic energy. A circular-shaped lens is disposed within a volume that has a first surface, a second surface, and a center, has an axis of rotation that passes substantially through the first surface, the second surface and the center. A plurality of feed elements are positioned at a plurality of focal points of the circular-shaped lens along at least a portion of a circle which is centered substantially on the axis of rotation. The thickness of the antenna is 1/3 or less of the diameter of the antenna.

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Patent #: 8,730,114 Issue Date: May 20, 2014