A wireless power system for powering a television includes at least one device resonator including at least one loop of conductive material, a matching network including at least two capacitive elements, and power and control circuitry coupled to the matching network and configured to connect with a load of the television, wherein the at least one device resonator is configured to wirelessly receive power via an oscillating magnetic field generated by a source resonator when the distance between the source resonator and the at least one device resonator is at least 2 cm, wherein the load of the television is configured to draw at least 5 Watts of power, and wherein an efficiency of wirelessly receiving power by the least one device resonator is at least 50%.
Wireless powered television
2015-10-13
Patent
Elektronische Ressource
Englisch
IPC: | H01F MAGNETS , Magnete / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER , Schaltungsanordnungen oder Systeme für die Abgabe oder Verteilung elektrischer Leistung / H03H IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS , Scheinwiderstandsnetzwerke, z.B. Resonanzkreise / H04B TRANSMISSION , Übertragung |