Secure optionally passive RFID tag or sensor with external power source and data logging
US9355545B2 · kind B2 · utility
4Cited by
15References
30Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 18, 2015 |
| Grant date | May 31, 2016 |
| Priority date | — |
| Expiry date | May 18, 2035 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG08B13/128
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A secure optionally passive RFID tag or sensor system comprises a passive RFID tag having means for receiving radio signals from at least one base station and for transmitting radio signals to at least one base station, where the tag is capable of being powered exclusively by received radio energy, and an external power and data logging device having at least one battery and electronic circuitry including a digital memory configured for storing and recalling data. The external power and data logging device has a means for powering the tag, and also has a means.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.