摘要 |
The bed has a mattress (1) with a set of air chambers (2), each equipped with an air supply. The bed is equipped with a set of controllable valves, each assigned to one of the air chambers. A control unit is connected to a set of sensors and individually controls the valves in accordance with output signals of the sensors. An air source is connected to the valves. The air chambers are sensor controllably filled by the control unit. |