US 12,422,458 B2
Electronic seal device for electronic meter and smart electronic seal system including the same
Yong Jun Kim, Seongnam-si (KR); and Moon Su Choi, Namyangju-si (KR)
Assigned to YMS TECH CO., LTD., Anyang-si (KR)
Appl. No. 18/284,501
Filed by YMS TECH CO., LTD., Anyang-si (KR)
PCT Filed Sep. 25, 2023, PCT No. PCT/KR2023/014587
§ 371(c)(1), (2) Date Sep. 27, 2023,
PCT Pub. No. WO2025/063349, PCT Pub. Date Mar. 27, 2025.
Claims priority of application No. 10-2023-0123644 (KR), filed on Sep. 18, 2023.
Prior Publication US 2025/0093389 A1, Mar. 20, 2025
Int. Cl. G01R 11/04 (2006.01); H05K 5/06 (2006.01)
CPC G01R 11/04 (2013.01) [H05K 5/069 (2013.01)] 15 Claims
OG exemplary drawing
 
1. The electronic seal device comprising:
a seal bolt unit for electronic sealing; and
a seal fastening unit coupled to the seal bolt unit using a screw thread,
wherein the seal bolt unit comprises,
a seal open/close unit coupled to the seal fastening unit using the screw thread;
a seal communication unit located inside the upper part of the seal open/close unit; and
a sealed antenna unit located inside the lower part of the seal open/close unit,
wherein the seal antenna unit comprises,
a first conductor part connected to the seal communication unit;
a first contact part connected to the first conductor part;
a second conductor part connected to a seal battery unit;
a second contact part connected to the second conductor part; and
an insulating part located between the first contact part and the second contact part, and
wherein the first contact part and the second contact part are electrically connected when the seal fastening unit and the seal open/close unit are coupled.