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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 ...
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 ...
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 ...
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 ...
E-reader. An e-reader, also called an e-book reader or e-book device, is a mobile electronic device that is designed primarily for the purpose of reading digital e-books and periodicals. [ 1][ 2] Any device that can display text on a screen may act as an e-reader; however, specialized e-reader devices may optimize portability, readability, and ...
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 ...
The fourth generation of Kindle, called Touch, was announced in September 2011 that was the Kindle's first departure from keyboards and page turn buttons in favor of touchscreens. In September 2012, Amazon announced the fifth generation of the Kindle called the Paperwhite, which incorporates a LED frontlight and a higher contrast display.
Rezence (wireless charging standard) Official Rezence brandmark, the A4WP uses this mark of interoperability to show that various devices are compatible with Rezence systems. Rezence (pronounced reh-zense) was an interface standard developed by the WiPower (A4WP) for wireless electrical power transfer based on the principles of magnetic resonance.