Coupling electronic seal
US12176649B2 · kind B2 · utility
Inventor
Key dates
| Filing date | Jul 13, 2022 |
| Grant date | Dec 24, 2024 |
| Priority date | — |
| Expiry date | Mar 24, 2043 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01R2201/24
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
The present invention includes a plug bolt and a bolt seat. The plug bolt includes a bolt pin having a receiving hole that receives a circuit device including an RFID chip electrically connected with a main circuit and a radiation unit. The receiving hole defines a hole body arranged in an axial direction, and an open hole bottom at a bottom of the hole body. The main circuit includes a lower contact point. The radiation unit induces an effect of coupling feed with respect to the hold body to make the bolt pin forming an upper monopole antenna. The bolt seat includes a lower monopole antenna and a locking hole into which the bolt pin is insertable. When the lower monopole antenna is electrically connected with the lower contact point, the upper and lower monopole antennas jointly form a standard dipole antenna to emit a signal that is monitorable.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.