US 12,454,407 B2
Method and system for managing metal shield space using plurality of terminals
Chul Gyun Park, Seoul (KR); Chang Soo Kang, Gyeonggi-do (KR); and Dong Tak Kim, Incheon (KR)
Assigned to ZN Technologies Co., Ltd., Ulsan (KR)
Appl. No. 18/687,946
Filed by ZN TECHNOLOGIES CO., LTD., Ulsan (KR)
PCT Filed Sep. 2, 2022, PCT No. PCT/KR2022/013155
§ 371(c)(1), (2) Date Feb. 29, 2024,
PCT Pub. No. WO2023/033576, PCT Pub. Date Mar. 9, 2023.
Claims priority of application No. 10-2021-0117520 (KR), filed on Sep. 3, 2021.
Prior Publication US 2024/0375856 A1, Nov. 14, 2024
Int. Cl. B65D 90/48 (2006.01); B65D 90/00 (2006.01)
CPC B65D 90/48 (2013.01) [B65D 90/008 (2013.01); B65D 2203/10 (2013.01); B65D 2211/00 (2013.01)] 10 Claims
OG exemplary drawing
 
1. A management system comprising:
a body comprising an opening and closing door and provided with a space shielded by metal;
a first terminal disposed inside the body and configured to measure environmental information of an inside of the body and generate first data based on the measured environmental information;
a second terminal disposed outside of the body and configured to generate second data comprising state information of the opening and closing door and generate third data based on the first data and the second data; and
a server configured to generate a signal comprising a risk index indicating a contamination level of the inside of the body based on the third data and transmit the signal to a user terminal,
wherein the first terminal comprises a first metal communication device that is in contact with a surface of the inside of the body, and the first terminal transmits the first data to the second terminal through a surface wave generated by the first metal communication device.