Real-time navigation system for mobile environment
US7389179B2 · kind B2 · utility
129Cited by
48References
26Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 14, 2003 |
| Grant date | Jun 17, 2008 |
| Priority date | — |
| Expiry date | Nov 14, 2023 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04W4/029
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A system and method for providing navigational information to a user connected in real-time, such as through a wireless telephone, PDA, or other device. The system provides navigational information to the user in the form most useful to the user, such as according to landmarks, or the number of blocks until the next action. The system also provides directions to points of interest along the user's route. Further, the system allows the user to suspend and resume a session. Also, the system varies the sampling rate at which the user's location is examined, to enhance efficiency and convenience.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.