Patent ID: 8130085
Filing Date: 2012-03-06
Classification: H04B

Abstract:
1. A device control apparatus for controlling devices connected to a power line, comprising: a power control unit generating a control message to control a device connected to a power line according to a user selection, and generating a power control message including device address information and a control command by controlling a phase of AC power carried by the power line; and a plurality of devices, each performing an operation according to the control command of the power control message in response to the power control message addressed thereto, wherein the power control unit generates the power control message by controlling the phase of the AC power by turning off the AC power between 1/16 and ¼ of at least one of a positive-polarity half cycle and a negative-polarity half cycle of the AC power to cut the phase of the AC power; and the device connected to the power line comprises: