Navigation device and method
US10371533B2 · kind B2 · utility
0Cited by
1References
13Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 31, 2009 |
| Grant date | Aug 6, 2019 |
| Priority date | — |
| Expiry date | Dec 31, 2029 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG08G1/096844
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
Embodiments of the present invention relate to a method of determining speed information, comprising receiving traffic monitoring information navigation devices (610), wherein the traffic monitoring information includes identification information identifying a mobile device (630), location information indicating a geographic locations (910, 920) at which the identification information was received from the mobile device (630), and temporal information indicating times at which the identification information was received, and determining speed information associated with the mobile device from the traffic monitoring information.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.