| 摘要 |
The invention relates to a cartographic positioning system which is intended to co-ordinate a group of operators. According to the invention, each operator is equipped with a portable cartographic positioning device (1) which can be used to communicate with the other operators through the exchange of digital data. The set of cartographic devices (1) is connected in a synchronisable manner. Moreover, each cartographic device comprises a graphics display screen (15) and man/machine interface means (15, 16) which can be adapted to requirements. |
