Sealing device
US9177491B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 29, 2009 |
| Grant date | Nov 3, 2015 |
| Priority date | — |
| Expiry date | Sep 4, 2030 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09F3/0376
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A sealing device including a housing and a closure member having a first end and a second end, at least one of the first and second ends being removably attached to the housing, the housing having means for checking the integrity of the closure member and a first transponder for transmitting information on the status of the sealing device where, the sealing device further includes a second transponder, preferably a passive transponder, associated with at least one of the first and second ends (16, 20) of the closure member, the second transponder comprising a second identity, and a transponder reader associated with the first transponder, preferably an active transponder, the transponder reader being arranged for reading the second identity of the second transponder; the first transponder being configured for receiving the second identity from the transponder reader and for transmitting the second identity.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.