Beds – Invalid bed or surgical support – Vertically movable support for whole body of user
Reexamination Certificate
2005-07-12
2005-07-12
Ro, Bentsu (Department: 2837)
Beds
Invalid bed or surgical support
Vertically movable support for whole body of user
C318S260000, C318S271000, C318S500000
Reexamination Certificate
active
06915538
ABSTRACT:
An apparatus, method and program product gradually and automatically accelerates or decelerates chair motor speed to achieve a smooth, nearly imperceptable movement of the chair. To this end, voltage is apportioned to the motor according to an acceleration profile.
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