Patent ID: 11858625
Assignee: AMAZON TECHNOLOGIES, INC.
Field: Measurement (Instruments)
Classification: CPC B  G | IPC B  G

Claim 6:
7. The method of claim 5, further comprising:
receiving, using the one or more audio sensors and at a fifth time, a third noise produced by a third propulsion mechanism of the plurality of propulsion mechanisms;
receiving, using the one or more audio sensors and at a sixth time that is subsequent to the fifth time, a third reflection of the third noise reflected by the object within the environment;
determining, based at least in part on the fifth time and the sixth time, a third set of solutions corresponding to a third measured distance of the object with respect to the vehicle; and
determining the distance and the direction of the object with respect to the vehicle as an intersection of the first set of solutions, the second set of solutions, and the third set of solutions.