Patent ID: 6195271
Filing Date: 2001-02-27
Classification: H02J,H02M,Y02B,Y04S

Abstract:
An AC adaptor independent of and for connecting to an electronic apparatus having a load operable by a DC voltage, comprising:a first connector for directly connecting to an external AC voltage source, said first connector receiving alternating current from said external AC voltage source;means for generating a DC voltage;a second connection for connecting to the electronic apparatus by an input line for supplying the DC voltage for operation of the load of the electronic apparatus;means included as a part of the AC adaptor for determining whether the load of the electronic apparatus requires a DC voltage for operation of the load of the electronic apparatus; andmeans included as a part of the AC adaptor for automatically disconnecting the means for generating the DC voltage of the AC adaptor from the external AC voltage source when the load of the electronic apparatus does not require power from the AC adaptor power source to operate.