Method and system to monitor and control devices utilizing wireless media
US7881733B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 21, 2005 |
| Grant date | Feb 1, 2011 |
| Priority date | — |
| Expiry date | Jun 21, 2025 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04W4/02
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A method and system of selectively communicating with one or more devices within pre-defined geographical zones is disclosed. A plurality of geographical zones is defined, each zone being defined by latitude and longitude attributes. A plurality of devices is associated with each geographical zone with which a portable device can communicate, the portable device having data representative of the plurality of geographical zones. The portable device also has a ground positioning unit receiver to obtain geographical coordinates of the portable device. If the portable device determines that its location is within one of the plurality of geographical zones, the portable device communicates with the devices in associated with the geographical zone.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.