| 摘要 |
A vehicle intruder alarm system for providing an alarm in the event of unauthorised entry into a concealment zone (1) of a vehicle (3), comprising an activator (5) to activate the system, at least one sensor (7) arranged to detect force applied in a substantially vertical direction within the concealment zone (1), the or each sensor (7) being coupled to an alarm generator (11), arranged such that detection of a force above a threshold value by the sensor (7) when the system is activated switches the alarm generator (11) to intruder detected mode to generate an alarm for indicating the presence of an intruder in the concealment zone (1). |
