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Universal charger or common charger refers to various projects to standardize the connectors of power supplies, particularly for battery-powered devices. Since the publication of the USB Power Delivery standard in 2012, and the USB-C connector in 2014, USB-C has become a widespread standard for charging mobile phones.
Qi (/ tʃ iː / CHEE) is an open standard for inductive charging developed by the Wireless Power Consortium.It allows compatible devices, such as smartphones, to receive power when placed on a Qi charger, which can be effective over distances up to 4 cm (1.6 in). [1]
Mobile phone chargers have gone through a diverse evolution that has included cradles, plug-in cords and obscure connectors. However, devices built between 2010 and 2020 generally use micro-USB connectors, while newer devices tend to use USB-C. Apple devices often use proprietary connectors.
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 vehicles, power ...
It started as a joint venture among three Japanese electronics manufacturers NEC, Casio and Hitachi, where NEC owned 70.74%, Casio 20.00% and Hitachi 9.26%. [1] At one point, the company was the second largest maker of mobile terminals in Japan. [2] The company headquarters was in Kawasaki, Kanagawa. The company dissolved in March 2016.
“It feels like a magic wand," says Bocking, “but you need lots of tools in your tool bucket on this journey.” Both women expect their journey will be lifelong – and that each day will ...