A wireless power system for powering a device having an electronic display includes: a device resonator including a loop of conductive material, the device resonator being coupled with an electronic display component; a matching network coupled with the loop of conductive material and including capacitive elements; and power and control circuitry coupled with the matching network at two terminals and configured to connect with a load of the electronic display component; wherein the matching network is configured to provide voltages of equal magnitude and opposite sign at the terminals when coupling power from the device resonator to the power and control circuitry; and wherein the device resonator is configured to wirelessly receive power from a source resonator via an oscillating magnetic field generated by the source resonator.
Wireless power system with associated impedance matching network
2017-10-03
Patent
Elektronische Ressource
Englisch
IPC: | H01F MAGNETS , Magnete / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / G06F ELECTRIC DIGITAL DATA PROCESSING , Elektrische digitale Datenverarbeitung / H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER , Schaltungsanordnungen oder Systeme für die Abgabe oder Verteilung elektrischer Leistung / H04L TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION , Übertragung digitaler Information, z.B. Telegrafieverkehr / H04N PICTORIAL COMMUNICATION, e.g. TELEVISION , Bildübertragung, z.B. Fernsehen |
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