| 摘要 |
Timer apparatus (10), comprising a timer (11) and command means (12, 14, 15, 19) and alerting means (13) connected to the timer, in which at a starting time (tr) the timer (11) determines a first nominal alert interval (Tn) which begins at the starting time (tr) and ends at a nominal alert time (tn), on the occurrence of the nominal alert time (tn) the timer (11) controls the alerting means (13) so that they deliver an alert signal, and on receipt of a starting signal from a starting command element (12) of the command means the timer (11) restarts with the current time (t) as the starting time (tr). On receipt of the starting signal the timer (11) determines a time window (Tw) which contains the nominal alert time (tn). The timer (11) controls the alerting means (13) so that they deliver the alert signal during the window (Tw). |
