| 摘要 |
A remote monitoring system comprising a signal emitter (10) providing a signal, means (12) for detecting the signal, means (16) for transmitting the signal via a global specification for mobile telephones (GSM) network, and remote means (18) for receiving the transmitted signal, the remote monitoring system being characterised in that the signal is transmitted via a short message server (SMS) of the GSM network. <IMAGE> |
