RFID-based electric seal
US8558700B2 · kind B2 · utility
Inventor
Key dates
| Filing date | Dec 2, 2010 |
| Grant date | Oct 15, 2013 |
| Priority date | — |
| Expiry date | Apr 19, 2032 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/53987
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
An electric seal includes a lock member having a compartment and an orifice communicative with each other and having a spring blade, a latch device engaged in the lock member, an antenna device having a segment engaged with the spring blade, a lock shaft engageable through the orifice and into the compartment of the lock member and lockable to the lock member with the latch device, and a circuit board attached to the lock shaft and having an RFID chip coupled to an electric circuit, the electric circuit includes a contact for selectively engaging with the upper segment of the antenna device and for electrically connecting the electric circuit to the antenna device when the lock shaft is engaged into the orifice of the lock member.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.