Lying-down means

Details Lying-down means Lying-down means

2005-08-25

2009-10-06

Conley, Fredrick (Department: 3673)

Beds

Mattress

Having confined gas

C005S710000, C005S655300

Reexamination Certificate

active

07596823

ABSTRACT:
The invention relates to a bed comprising a mattress with a plurality of air chambers arranged in a grid, each chamber being equipped with at least one air connection. The bed is also equipped with a plurality of controllable valves, each valve being assigned to one of the air chambers and several sensors. A control unit is connected to the sensors and controls the valves individually in accordance with the output signals of the sensors. In addition, the inventive bed comprises an air source that is connected to the valves.

REFERENCES:
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patent: 4542547 (1985-09-01), Sato
patent: 5182826 (1993-02-01), Thomas et al.
patent: 5829081 (1998-11-01), Pearce
patent: 5873137 (1999-02-01), Yavets-Chen
patent: 696 11 490 (2001-08-01), None
patent: 20 2004 000 701 (2004-06-01), None
patent: 0 757 899 (1997-02-01), None
International Search Report.

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