Method and apparatus for determining average environmental conditions
US6927687B2 · kind B2 · utility
53Cited by
5References
23Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jul 9, 2002 |
| Grant date | Aug 9, 2005 |
| Priority date | — |
| Expiry date | Jul 9, 2022 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG05D23/24
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
A system for monitoring an environmental condition and determining the average environmental condition using an RFID tag and reader, the tag configured to have at least one module with known characteristics that are dependent on the environmental condition and to be responsive to interrogation by the reader to asses the state of the known characteristics for determining the average environmental condition.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.