| 摘要 |
<p>Navigation system (1) comprising a centralised server (10) having access to roadmapping data (19), and a plurality of mobile navigation modules (40), capable of communicating at least temporarily with the central server (10) to exchange data, in which the centralised server (10) comprises a navigation window generation module (14) enabling the route data to be formatted into a plurality of successive fixed windows, each corresponding to one or more route instructions and an exit detection data generation module (15), and in which the mobile navigation devices (40) comprise a route exit detection module (47), enabling the possible exits from the intended route to be detected during the movement of the mobile device.</p> |
