Method and apparatus involving global positioning and long-range wireless link using a tag
US8665088B2 · kind B2 · utility
1Cited by
5References
24Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 9, 2005 |
| Grant date | Mar 4, 2014 |
| Priority date | — |
| Expiry date | Jan 17, 2029 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01S5/0027
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A tag has a transmitter for transmitting first wireless signals, and a receiver for receiving second wireless signals from which the tag can determine its current physical location. A different embodiment includes a tag having a transmitter for transmitting wireless signals, and a reader having a receiver for receiving the wireless signals, the receiver in the reader being an ultra-sensitive receiver.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.