A power supply device may be capable of wirelessly transmitting power at a plurality of resonance frequencies. The power supply device may include: a power conversion unit converting input power into first power; and a wireless power supply unit varying a switching frequency for switching the first power and wirelessly transmitting the switched first power at at least one of a plurality of resonance frequencies.
申请公布号
EP2843790(A2)
申请公布日期
2015.03.04
申请号
EP20140275179
申请日期
2014.08.29
申请人
SAMSUNG ELECTRO-MECHANICS CO., LTD.
发明人
JEONG, IN WHA;KIM, HAK RYONG;KIM, HUGH;KANG, MOO JONG