| 摘要 |
<p>A control system for remote control of an electrical appliance has a control unit (1) and at least one remote unit (2), the control unit having a WAN interface (5) for receiving user input (e.g. over the Internet), and a LAN interface (6) to communicate with the remote unit (e.g. over a home wireless network). The remote unit has an appliance interface (7) for coupling to the electrical appliance, the appliance interface having an electrical power supply output to the electrical appliance. The system controls the electrical appliance through the appliance interface according to the user input, by emulating a control protocol recognised by the electrical appliance, such as an infra red IR remote control protocol, or a sequence of changes in power supply. This can enable a wider range of appliances to be controlled remotely with more consolidation of power supplies and interfaces and with lower power consumption.</p> |
