Patent ID: 11913790
Assignee: OTIS ELEVATOR COMPANY
Field: Transport (Mechanical engineering)
Classification: CPC G  B | IPC B  G

Claim 8:
9. A system for of communicating directions to an end destination within a building, the system comprising:
a first drone;
a drone controller operationally coupled to the first drone and configured to control the first drone;
a first electronic display panel operationally coupled to the first drone;
wherein the first drone is configured to:
move via flying motion by a first drone between a first location and a second location that differ from each other on a first floor of the building, along a travel path therebetween, wherein the second location is the end destination or an intermediate location, and wherein the second location is an elevator landing on the first floor of an elevator bank within the building; and
display indicia on the first electronic display panel of the first drone that is indicative of directions to the second location;
update, by the drone controller of the first drone, the indicia displayed on the display panel based on whether the first drone is traveling toward or away from the elevator bank, between the first and second locations, so that the indicia on the display panel is substantially continuously indicative of directions to the second location; and
utilize a radio-navigation system, operationally coupled to the first drone, to track a current location against the first location, the second location, and the travel path therebetween, wherein the radio-navigation system is an indoor positioning system.