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  2. Qi (standard) - Wikipedia

    en.wikipedia.org/wiki/Qi_(standard)

    wirelesspowerconsortium .com. Qi (pronounced / tʃiː / CHEE; [ 1] from simplified Chinese: 气; traditional Chinese: 氣; pinyin: qì) is an interface standard for wireless power transfer using inductive charging. The standard allows compatible devices, such as smartphones, to charge their batteries when placed on a Qi charging pad, which can ...

  3. 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 ...

  4. 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.

  5. 15 gifts that teachers actually want: 'I gifted these to a ...

    www.aol.com/lifestyle/gifts-that-teachers...

    Designed with an extra strong clip and flexible long-arm gooseneck that can bend any which way, this hands-free device holder and stand can be used with a tablet, phone, Nintendo Switch, iPad ...

  6. Is BMI Really Accurate? Pros vs Cons - AOL

    www.aol.com/bmi-really-accurate-pros-vs...

    Having an elevated BMI is associated with a higher risk of conditions like heart disease, gallstones, sleep apnea, osteoarthritis, high blood pressure, type 2 diabetes and certain cancers ...

  7. Amazon Kindle - Wikipedia

    en.wikipedia.org/wiki/Amazon_Kindle

    Amazon announced the second-iteration Kindle Paperwhite, marketed as the "All-New Kindle Paperwhite" and colloquially referred to as the Paperwhite 2, on September 3, 2013; [58] the Wi-Fi version was released on September 30 ($120 ad-supported, $140 no ads), and the 3G/Wi-Fi version was released in the US on November 5, 2013 ($190 ad-supported ...

  8. Power Matters Alliance - Wikipedia

    en.wikipedia.org/wiki/Power_Matters_Alliance

    Power Matters Alliance. Power Matters Alliance ( PMA) was a global, not-for-profit, industry organization whose mission was to advance a suite of standards and protocols for wireless power transfer for mobile electronic devices (specifically a type of inductive charging that competes with the Qi standard ).

  9. Conductive charging - Wikipedia

    en.wikipedia.org/wiki/Conductive_charging

    The technology is sometimes called "conductive wireless charging". The need for a conductor-to-conductor connection between the power supply and the device is the main difference from inductive charging and other forms of wireless charging. The conductive power supply, often a charging base or pad, detects when a compatible receiver or pickup ...

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