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    • 8. 发明公开
    • SENSOR DISTINGUISHING ABSENCE FROM INACTIVITY
    • 传感器无法识别静音
    • EP3301657A1
    • 2018-04-04
    • EP17193895.4
    • 2017-09-28
    • Essence Security International Ltd.
    • AMIR, OhadKOREN, Reuben
    • G08B21/04
    • G08B13/2494G01V8/20G08B13/19602G08B21/0469H04N5/2252H04N7/181H04N7/188
    • A sensing device (100), comprising: a first sensor (112), directed vertically down in relation to an identified orientation of the sensing device; at least one second sensor (104), directed diagonally forward in relation to the identified orientation; at least one hardware processor (115), electrically connected to the first sensor and the second sensor adapted to: receive (301) at least one first signal from the first sensor or the second sensor indicating a person's presence in a monitored premises; and until receiving at least one second signal from the first sensor or the second sensor indicating an absence of the person from the monitored premises: during a predetermined delay time after receiving the first signal, determine (308) whether one or more expected signals are received from the first sensor or the second sensor; and determine (314) an alarm system operation to be taken subject to the one or more expected signals not being received, according to the determination.
    • 1。一种感测装置(100),包括:第一传感器(112),其相对于所述感测装置的所识别的方位垂直向下指向; 至少一个第二传感器(104),所述至少一个第二传感器相对于所识别的方向沿对角线向前指向; 至少一个电连接到所述第一传感器和所述第二传感器的硬件处理器(115),其适于:从所述第一传感器或所述第二传感器接收(301)至少一个第一信号,所述第一信号指示人在被监测房屋中的存在; 并且直到从所述第一传感器或所述第二传感器接收指示所述人离开所述监测房屋的所述至少一个第二信号为止:在接收所述第一信号之后的预定延迟时间期间,确定(308)是否接收到一个或多个预期信号 来自第一传感器或第二传感器; 以及根据所述确定来确定(314)将要服从于所述一个或多个预期信号未被接收的警报系统操作。