A signal generator generates an electrical signal that is sent to an amplifier, which increases the power of the signal using power from a power source. The amplified signal is fed to a sender transducer to generate ultrasonic waves that can be focused and sent to a receiver. The receiver transducer converts the ultrasonic waves back into electrical energy and stores it in an energy storage device, such as a battery, or uses the electrical energy to power a device. In this way, a device can be remotely charged or powered without having to be tethered to an electrical outlet.


    Access

    Download


    Export, share and cite



    Title :

    Oscillators for wireless power transfer


    Contributors:

    Publication date :

    2017-01-17


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    G10K Tonerzeugungsvorrichtungen , SOUND-PRODUCING DEVICES / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / H01F MAGNETS , Magnete / H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER , Schaltungsanordnungen oder Systeme für die Abgabe oder Verteilung elektrischer Leistung / H03C Modulation , MODULATION / H04B TRANSMISSION , Übertragung / H04R LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS , Lautsprecher, Mikrofone, Schallplatten-Tonabnehmer oder ähnliche akustische, elektromechanische Wandler



    Wireless power transfer device and wireless power transfer method

    MIYAUCHI YASUSHI / ONUKI SATORU | European Patent Office | 2015

    Free access

    WIRELESS POWER TRANSFER SYSTEM AND WIRELESS POWER TRANSFER METHOD

    UCHIDA AKIYOSHI / OZAKI KAZUYUKI / TAGUCHI MASAKAZU et al. | European Patent Office | 2018

    Free access

    WIRELESS POWER TRANSFER SYSTEM AND WIRELESS POWER TRANSFER METHOD

    OKUBO NORIHIRO | European Patent Office | 2016

    Free access


    Wireless power transfer

    PARTOVI AFSHIN | European Patent Office | 2024

    Free access