发明名称 SYSTEM FOR CONTROLLING AT LEAST A PARAMETER OF AMBIENT AIR
摘要 <p>A control system for controlling at least one environmental parameter, such as temperature or air quality, in an operating area in response to sensor signals. The system includes a central control unit, actuators and mobile sensor units, and also at least one, preferably a plurality, of communication nodes which are placed in the operating area. Each one of the communication nodes is configured to mediate signals between the sensor units and the central control unit in a monitoring area by wirelessly receiving sensor signals from sensor units located within its monitoring area and forwarding the sensor signals to the central control unit. A monitoring area of a communication node is defined by the signal coverage of the communication node.</p>
申请公布号 EP2411881(A1) 申请公布日期 2012.02.01
申请号 EP20090779213 申请日期 2009.03.27
申请人 ABB RESEARCH LTD. 发明人 ISAKSSON, ALF;BRAENNSTROEM, LARS
分类号 G05D23/19;E21F1/02;F24F11/00 主分类号 G05D23/19
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