Patent ID: 11938960
Assignee: AMAZON TECHNOLOGIES, INC.
Field: Control (Instruments)
Classification: CPC B  G  E | IPC B  G

Claim 13:
14. A method comprising:
causing a light emitter to emit a first light having a first wavelength;
determining an electrical signal based on a second light filtered through an optical filter, the second light having a second wavelength and emitted from a navigation marker designed to emit a fluorescence emission, and the optical filter designed to permit the second light through the optical filter and block the first light;
determining optical data having a first intensity value of the second light;
determining the first intensity value satisfies a threshold value indicative of the second wavelength
determining the optical data corresponds to a first action based on the second wavelength and a database, the database comprising a first action and a second action and associating the first action with the second wavelength and the second action with a third wavelength; and
causing a vehicle to perform the first action,
wherein the second light is emitted from the navigation marker illuminated by the first light.