An adapter used in conjunction with voltage modules to provide multiple and variable DC output voltages. The adapter may include a circuit for stepping down an AC input voltage to lower AC output voltages. A voltage module is provided having an interface bus, configured to be coupleable to a distribution...http://www.google.fr/patents/US6212088?utm_source=gb-gplus-shareBrevet US6212088 - Modular voltage adapter and method for using same
