公开(公告)号：US20250066037A1

公开(公告)日：2025-02-27

申请号：US18726164

申请日：2022-01-28

Applicant: NEC Corporation

Inventor： Takanari Arai ,  Eiichi Tokumi ,  Kenichi Keyaki ,  Eiji Ichihara ,  Kensuke Uchida ,  Jun Suzuki ,  Takeshi Shouta ,  Kenichi Sakamoto

IPC: B64D47/06 ,  G06V20/00 ,  G08G5/00

Abstract: An alert device according to an aspect of the present disclosure includes: at least one memory storing a set of instructions; and at least one processor configured to execute the set of instructions to: identify, from measurement data of a flying object by a sensor, a position of the flying object; determine whether the flying object is located within a predetermined region; determine whether a signal of a predetermined pattern assigned to a mission in the predetermined region is received from the flying object determined to be located within the predetermined region; determine, in a case where no signal of the predetermined pattern is received from the flying object, that the flying object is an unpermitted flying object that is not permitted to enter the predetermined region; and cause a light projection device to irradiate a position of the unpermitted flying object with light.