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2. SonicEnergy - Wikipedia

   en.wikipedia.org/wiki/SonicEnergy

   SonicEnergy (previously uBeam) is a US company that claims to be developing a wireless charging system that works via ultrasound. History [ edit ] SonicEnergy was founded in 2011 by Meredith Perry and won the University of Pennsylvania's invention competition, PennVention, in April 2011. [1]

3. List of Microsoft Surface accessories - Wikipedia

   en.wikipedia.org/wiki/List_of_Microsoft_Surface...

   On August 15, 2020, Microsoft introduced Surface Headphones 2, compatible with Windows 10 and Windows 11 Home/Pro with the latest updates. It's also compatible with Bluetooth 4.1/4.2/5.0, IOS 12 or 13, Android 9 or 10. Surface Earbuds. Microsoft released wireless earbuds in 2019 that feature a "dish-looking apparatus" on the outside for touch ...

4. Wireless power transfer - Wikipedia

   en.wikipedia.org/wiki/Wireless_power_transfer

   Wireless power transfer ( WPT ), wireless power transmission, wireless energy transmission ( WET ), or electromagnetic power transfer is the transmission of electrical energy without wires as a physical link. In a wireless power transmission system, an electrically powered transmitter device generates a time-varying electromagnetic field that ...

5. Inductive charging - Wikipedia

   en.wikipedia.org/wiki/Inductive_charging

   Inductive charging. The primary coil in the charger induces a current in the secondary coil in the device being charged. Inductive charging (also known as wireless charging or cordless charging) is a type of wireless power transfer. It uses electromagnetic induction to provide electricity to portable devices. Inductive charging is also used in ...

6. Plugless Power - Wikipedia

   en.wikipedia.org/wiki/Plugless_Power

   Plugless Power is a family of Electric Vehicle Supply Equipment (EVSE) products manufactured by Plugless Power, Inc. that enable wireless (inductive) charging for electric vehicles (WCEV). The Plugless Power EVSE wirelessly delivers electrical power to the on-board EV battery charger using electromagnetic induction without a physical connection ...

7. Resonant inductive coupling - Wikipedia

   en.wikipedia.org/wiki/Resonant_inductive_coupling

   Resonant inductive coupling or magnetic phase synchronous coupling [4] [5] is a phenomenon with inductive coupling in which the coupling becomes stronger when the "secondary" (load-bearing) side of the loosely coupled coil resonates. [5] A resonant transformer of this type is often used in analog circuitry as a bandpass filter.