Sa Photonics, Inc.

Francis Gustav Muennemann

Greg G Mitchell

David Alan Pechner

Andrew K McClaren

A free space optical (FSO) transmitter emits multiple, orthogonally encoded, beacons having a known pattern of spatial overlap. A receiver includes a sensor and a computing system. The sensor senses the overlapping optical beacons and produces an output signal indicative of an optical power of the overlapping optical beacons. The computing system separates the output signal into components from the different beacons according to the orthogonal encoding of the beacons. Based on strengths of the components and on the known pattern of spatial overlap, the computing system may determine at least one of: (1) a position of the receiver relative to the transmitter, (2) a position of the receiver in the beacon pattern, or (3) an orientation of the receiver relative to the transmitter.

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Menlo Park, CA, United States of America

Francis Gustav Muennemann