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The Apple Watch charger disc can be laid flat for face-up charging or can be vertical for nightstand use. The MagSafe Duo charger can be folded when not in use. [20] [21] The charger came with a Lightning–to–USB-C cable, and Apple recommends their newer 30 W USB-C power adapter (released in 2018), and notes their older 29 W adapter is ...
The basic concept of MagSafe is derived from the magnetic power connectors that are part of many deep fryers and Japanese countertop cooking appliances since the early 2000s in order to avoid spilling their dangerously hot contents. [2] [3] [4] [failed verification] MagSafe was introduced on January 10, 2006 in the first-generation MacBook Pro. [5]
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 ...
The Lightning connector was introduced on September 12, 2012, with the iPhone 5, as a replacement for the 30-pin dock connector. [3] The iPod Touch (5th generation), iPod Nano (7th generation), [4] iPad (4th generation) and iPad Mini (1st generation) followed in October and November 2012 as the first devices with Lightning.
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]
A common EPS must include a cable with a micro USB-B (2.0) connector for connecting to a mobile phone. This cable can be either captive (permanently attached to the power supply) or detachable. If detachable, the cable must connect to the power supply via a standard USB type-A plug. [12]
HOT Watch by PHTL features a speaker and microphone on the strap, allowing for calls to be answered on the watch. HOT Watch speaker and microphone embedded on the strap. Magnetic charging pins at left. As of 4 September 2013, three new smartwatches had been launched: the Samsung Galaxy Gear, Sony SmartWatch 2, [64] and the Qualcomm Toq. [65]
Inductive charging pad for a smartphone as an example of near-field wireless transfer. When the phone is set on the pad, a coil in the pad creates a magnetic field [1] which induces a current in another coil, in the phone, charging its battery. Generic block diagram of a wireless power system
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