Position information notifying method and device
US7430422B2 · kind B2 · utility
5Cited by
3References
30Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 4, 2002 |
| Grant date | Sep 30, 2008 |
| Priority date | — |
| Expiry date | Apr 11, 2022 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04W88/16
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
Location information providing unit of gateway server 40 obtains location information on cellular telephone 10, 20 and 30 each produced in different expression format from measuring center 50, converts obtained location information into expression formats which IP server 80A and IP server 80B can deal with via location information converting device 60, and notifies converted location information to IP server 80A and 80B. As a result, IP server 80A and 80B can obtain location information on each cellular telephone 10, 20, and 30 without experiencing any difficulty.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.