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    • 10. 发明申请
    • REDUCED POWER CONSUMPTION SENSOR DEVICE AND ILLUMINATION SYSTEM COMPRISING SUCH A SENSOR DEVICE
    • 减少功率消耗传感器装置和包含这种传感器装置的照明系统
    • US20110074225A1
    • 2011-03-31
    • US12995226
    • 2009-06-04
    • Roger Peter Anna DelnoijWillem Franke Pasveer
    • Roger Peter Anna DelnoijWillem Franke Pasveer
    • H01H35/00
    • H05B37/0227H05B37/0272Y10T307/766Y10T307/773
    • The invention relates to a wireless sensor device configured for sensing motion of an object in an area. The device comprises a motion sensor configured for generating a sensing signal when sensing motion in the area and a signal processor configured for processing the sensing signal. A power supply is provided for providing power to the motion sensor. Furthermore, the wireless sensor device comprises a controller configured for distinguishing, from the sensing signal, large object movements and small object movements of the object in the area. The wireless sensor device is configured to perform one or more power consumption reduction operations upon detection of large object movement. The power consumption reduction operations include temporarily disconnecting the motion sensor from the power supply and decreasing a duty cycle of the signal processor.
    • 本发明涉及一种无线传感器装置,其被配置为感测一个区域中的物体的运动。 该装置包括运动传感器,其构造成当感测该区域中的运动时产生感测信号,以及配置用于处理感测信号的信号处理器。 提供用于向运动传感器提供电力的电源。 此外,无线传感器装置包括控制器,该控制器被配置用于从感测信号区分物体在该区域中的大的物体运动和小的物体运动。 无线传感器装置被配置为在检测到大的物体运动时执行一个或多个功耗降低操作。 功耗降低操作包括暂时断开运动传感器与电源的连接,并降低信号处理器的占空比。