Patent ID: 7061378

Claim:
A personal property alarm system comprising an alarm unit to be fixed to an item of property to be protected and a personal unit to be carried by a property owner, the alarm unit and the personal unit each comprising a transceiver to transmit and receive signals between each other, the alarm unit comprising a motion sensor that is activated by predetermined movement of the property; the alarm unit being operable in an emergency mode and a standby mode; in the emergency mode the transceiver of the alarm unit sends an emergency signal to the transceiver of the personal unit; in the standby mode the transceiver of the alarm unit sends a standby signal to the transceiver of the personal unit; the personal unit is operable in an alarm mode in which an alarm is activated to alert the property owner; wherein the alarm unit is normally operable in said standby mode and is switched from standby mode to the emergency mode when the motion sensor is activated; and wherein the personal unit alarm mode is activated when its transceiver receives an emergency signal from the alarm unit or when no standby signal has been received from the alarm unit within a predetermined time period.