System and method for situational awareness
US9047749B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 8, 2012 |
| Grant date | Jun 2, 2015 |
| Priority date | — |
| Expiry date | Mar 23, 2033 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG08B21/0277
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
A method for determining location of a person relative to a vehicle. A first device comprising a Bluetooth transceiver is associated with the person, and a second device comprising a Bluetooth transceiver is associated with the vehicle. The method includes determining whether the strength of a signal received by one device from the other device via has diminished below a predetermined level, in which case a notification is provided to a computer system via wireless data communication that the status has changed from a first link status wherein the first device is within a predeterminable distance from the second device to a second link status wherein the first device is beyond the predeterminable distance from the second device.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.