Energy Efficient Electrical Appliance without Phantom Power Consumption

摘要

An energy efficient appliance is switched off completely from a main power supply when it is not in operation to deliver designed functionalities. An auxiliary power supply is employed to provide power for receiving restarting signal from a remote control device. In one embodiment, the auxiliary power supply receives power wirelessly from the remote control device to switch on the main power supply. In another embodiment, the auxiliary power supply receives power by harvesting energy available in environment. In still another embodiment, the auxiliary power supply is a replaceable or rechargeable battery. The appliance includes televisions, digital video recorders, air conditioners, lighting systems, audio systems and microwave ovens. The appliance may also include a door open system for a home or for an automobile.

主权项

1. An electrical appliance system comprising:
(a) a main power supply connected to functional blocks of the appliance through an electrical signal controlled switch, wherein no power flows from the main power supply to the functional blocks when said switch is switched off; (b) a remote control device; and (c) an auxiliary power supply pertaining to supplying power for switching on said switch, wherein said auxiliary power supply further including a wireless power receiver for receiving power transmitted wirelessly from a wireless power transmitter of the remote control device.