A system of controlling various actuators associated with human support surfaces is disclosed. Such a system is made up of a support surface, a controller, and an actuator. The system may optionally include batteries, a means of charging the batteries, and a graphical user interface as well as a communication...http://www.google.es/patents/US7931334?utm_source=gb-gplus-sharePatente US7931334 - Custom controlled seating surface technologies
