| 摘要 |
Abstract An electronic system (1) for the remote maintenance of a crane (30), in 5 particular a loader crane, comprises a computer (5) configured to transmit over a telecommunications network (10) a first request message carrying a remote command for the maintenance of the crane, said first request message being compliant to a medium/long distance radio-mobile protocol, such as for example UMTS, HSDPA or HSUPA. The electronic system further comprises a mobile device 0 (6) configured to receive from the telecommunications network the first request message and extract therefrom the remote maintenance command, and configured to generate a second request message carrying the remote maintenance command, said second request message being compliant to a short distance wireless protocol, such as for example Bluetooth@D. The electronic system further comprises an 5 electronic control unit (7) configured to receive the second request message and extract therefrom the remote maintenance command, configured to execute the remote maintenance command and configured to send towards the computer a first answer message carrying information correlated to the remote maintenance command, said first answer message being compliant to the short distance wireless .0 protocol. SPEC-951435 |
