公开(公告)号：US20250061813A1

公开(公告)日：2025-02-20

申请号：US18723466

申请日：2021-12-29

Applicant: KOREA GAS CORPORATION

Inventor： Chang Seok OH ,  Young Jae LEE ,  Se Ryung PARK ,  Ki Tae JUNG

IPC: G09B5/02 ,  H04N9/31 ,  H04N13/363 ,  H04N13/366

Abstract: An unloading arm manipulation training device is provided. The device includes: a frame having a training space inwardly; at least one screen which is provided in the frame and onto which an unloading arm training image is projected; and at least one image output unit that outputs the unloading arm training image toward the screen, wherein the at least one image output unit is provided outside the frame to output the unloading arm training image toward an outer surface of the at least one screen, thereby preventing a trainee located in the frame from being projected on the at least one screen.