Mobile phone avoiding search of ineffective base stations
US6909892B2 · kind B2 · utility
5Cited by
4References
3Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | May 16, 2001 |
| Grant date | Jun 21, 2005 |
| Priority date | — |
| Expiry date | Aug 10, 2022 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04M1/724
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
When a mobile phone is out of an area covered by a communication currently in use, the fact is noticed to a user and, simultaneously therewith, a message urging the user to select another communication system is displayed. During a period in which this display is performed, it becomes possible to switch the communication system through a simple procedure.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.