| 摘要 |
<p>Remote system for monitoring the presence of workers, which comprises a means for determining the moment at which each worker enters and leaves the place of work, consisting of a fixed telephone at the place at which the worker carries out his activity, the worker using said telephone to make a telephone call to a telephone number included in a telephone switchboard connected to a computer in which an application records the calls made from various fixed telephones, the telephone line to which the call was made of those included in the switchboard and the exact time at which said call was made in order to be able to determine, on the basis of said data, the worker to whom each call corresponds, the place at which said worker is carrying out his activity and the amount of time for which said worker has remained at his place of work. Said computer is an Internet server so that each contractor can carry out time-based monitoring, via connection to this network, for all of its workers subscribed to this system.</p> |
