RFID-based electric seal
US8319647B2 · kind B2 · utility
Inventor
Key dates
| Filing date | May 19, 2010 |
| Grant date | Nov 27, 2012 |
| Priority date | — |
| Expiry date | Jun 30, 2031 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T70/554
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
An electric seal includes an antenna device engaged in a lock member and having a contact located in the lock member, a lock shaft engageable into the lock member and having a circuit board engaged in the bore of the lock shaft and having an RFID chip coupled to an electric circuit, the electric circuit includes a contact for electrically engaging with the contact of the antenna member when the lock shaft is engaged into the compartment of the lock member for identifying the RFID-based electric seal, the RFID chip do not generate and emit the signal to identify the electric seal when the lock shaft is disengaged from the lock member or when the circuit board is disengaged from the antenna member.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.