System for local monitoring
US6904363B2 · kind B2 · utility
26Cited by
9References
27Claims
0Family size
Inventors
Key dates
| Filing date | Aug 20, 2002 |
| Grant date | Jun 7, 2005 |
| Priority date | — |
| Expiry date | Dec 26, 2022 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG08G1/20
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
One embodiment of the present invention relates a method of monitoring. Position information related to a notification point is received. A mobile client determines a position of the mobile client. The position is compared with an area encompassing the mobile client. A message is transmitted in response to the position being within the area encompassing the notification point.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.