Automatically positionable chair

Details Automatically positionable chair Automatically positionable chair

G - Physics

05

D

155/1, 341/97

G05D 3/20 (2006.01) A47C 1/00 (2006.01) A61G 15/02 (2006.01) G05B 19/40 (2006.01)

Patent

CA 2008460

Abstract Of The Disclosure A programmable automatic positioning chair for medical application. The chair has moveable support surfaces which are driven by electric motors to preprogrammed positions. Motor speed is determined by measuring the motor current, and the motor speed is integrated by a microprocessor to produce a computed value of surface position. The chair operates "open loop" without any feedback from position sensors.

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