Patent ID: 11899116
Assignee: NURO, INC.
Field: Measurement (Instruments)
Classification: CPC G | IPC G

Claim 12:
13. The lidar sensor system of claim 10, wherein the optical receiver includes:
a phase shifter coupled to receive the light beam from the stable light source and configured to phase shift the light beam by approximately 90 degrees to produce a phase shifted light beam;
a first mixer coupled to receive the light beam from the stable light source and the returned light, the first mixer configured to mix the returned light with the light beam to produce a first returned light beam; and
a second mixer coupled to receive the phase shifted light beam and the returned light, the second mixer configured to mix the returned light with the phase shifted light beam to produce a second returned light beam;
wherein the baseband demodulator is configured to receive as input the first returned light beam and the second returned light beam.