| 摘要 |
The invention provides a communication device for updating current navigation contents stored in a navigation device. The communication device comprises a retrieving element 601 for retrieving information indicating current navigation contents from the navigation device, a transmitter 603 for transmitting the information indicating the current navigation contents to a remote network device via a communication network, a receiver 605 for receiving updated navigation contents from the remote communication device and a processor 607 for displaying information relating to the updated navigation contents or for installing the updated navigation contents on the navigation device. |
