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    • 17. 发明申请
    • Cross-zone supervision for a security system
    • 跨区域监管一个安全系统
    • US20070063841A1
    • 2007-03-22
    • US11233105
    • 2005-09-22
    • Thomas BabichChristopher MartinKevin Piel
    • Thomas BabichChristopher MartinKevin Piel
    • G08B13/08
    • G08B13/191
    • An error condition, fault, defect, obstruction, or defective arrangement of viewing angle is determined in a target security device, such as a motion sensor. A plurality of times a fault is detected in a first security device arranged to sense activity in a first zone, the target security device being arranged to sense activity in a second zone overlapping with the first zone; and the error condition may be determined in the target security device when fault in the target security device is not detected for the plurality of times. The second zone may overlap substantially all of the first zone. The first security device may be a door security sensor, a gate security sensor, a keypad or a motion detector. When the first security device is a keypad or user interface, the fault may be an arm or disarm command or an arm/disarm command cycle.
    • 在诸如运动传感器的目标安全装置中确定视角的错误状况,故障,缺陷,障碍物或有缺陷的布置。 在被布置为感测第一区域中的活动的第一安全设备中检测到故障多次,目标安全设备被布置为感测与第一区域重叠的第二区域中的活动; 并且当多个时间未检测到目标安全装置的故障时,可以在目标安全装置中确定错误状况。 第二区域可以基本上与第一区域重叠。 第一安全装置可以是门安全传感器,门安全传感器,小键盘或运动检测器。 当第一个安全设备是键盘或用户界面时,故障可能是手臂或撤防指令或手臂/撤防指令周期。