Air bed control

Details Air bed control Air bed control

1996-03-05

1998-12-15

Meyers, Steven

Beds

Mattress

Having confined gas

5706, 5710, A47C 2708

Patent

active

058484507

ABSTRACT:
An airbed having multi-zone air mattress is provided having a control that can identify the configuration of any of a plurality of hand control units connected thereto and can interpret control functions differently based on the identified unit configuration. A plurality of normally closed valves seal pressures in each of the zones when power to an air pump is off while mattress zone pressures are constantly monitored and the measurements sent by the control through a communications port for monitoring of the motion or care of a user of the bed and for analysis and diagnosis. When pump power is on, the pressure in the zones is regulated at predetermined pressure settings ideal for the user. Deviations from ideal pressure cause a programmed controller to calculate inflation or deflation times for the respective zones that would be required to inflate or exhaust the zones to the desired pressures. Ideal pressures for individual users are automatically calculated by inflating the zones to initial pressures and sealing them. Then, a user reclines on the bed and pressures are measured. From the measured pressures, ideal pressure settings are calculated that will support the user in an ideal manner, such as maintaining the user in an ideal sleeping posture with a minimum amount of pressure in the zones. The sitting up of the user, the sitting of the user on the edge of the bed, the adjustment of bed inclination angles and other non-reclining conditions are detected by analysis of the pressures in the zones or information from other sources to set pressures particularly suited to such conditions.

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patent: 5182826 (1993-02-01), Thomas et al.
patent: 5279010 (1994-01-01), Ferrand et al.
patent: 5509154 (1996-04-01), Shafer et al.

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