Abstract:
A wireless charger equipped with an auxiliary power supply includes a power input unit which is connected to an external power supply, a wireless power transmission unit which wirelessly transmits electrical power to an electronic device through a magnetic field, and an auxiliary power unit which charges a battery provided therein with electrical power supplied from the power input unit, or charges the battery and, at the same time, provides the electrical power to the wireless power transmission unit, and provides the electrical power of the battery provided therein to the wireless power transmission unit when the power supply from the power input unit is stopped.
Abstract:
A lamp control apparatus includes a radio signal control module configured to receive a dimming signal from the outside, to generate a lamp control signal, and to amplify the lamp control signal by a predetermined amount, a driver configured to receive the lamp control signal amplified by the radio signal control module and to control a lamp, and a power supply module configured to supply driving power to the radio signal control module or the driver.