| 摘要 |
<p>Distance alert apparatus (10) comprises a portable handholdable base unit (12) for a carer, and a remote unit (14) for attachment to a person being cared for. The base unit (12) includes a first wireless transceiver 30 for communication with the remote unit (14), an alert element (38,48,50), indicator means42indication means for determining a direction of the remote unit (14), and a controller (34) for selectively pre-setting a separation distance between the base unit (12) and the remote unit. The remote unit (14) has an elongate flexible belt (56) for attachment around the waist of the said cared for person, and a belt hub (58) provided on the belt (56). The belt hub (58) includes a lock (74) for locking a disengagable end (72) of the belt 56 thereto so that the disengagable end (72) covers a power switch (90) to prevent access thereto, a first warning device 98, and a second wireless transceiver (94) for communication with the base unit (12). The belt (56) also includes a second warning device (106) on its longitudinal extent. Activation (means (40) is also provided for activating the alert element (38,48,50) of the base unit (12) and the first and second warning devices (98,106) of the remote unit (14) when the separation distance is exceeded and/or when the belt (56) is undesirably removed.</p> |
