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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 tools, electric toothbrushes, and medical devices.
In 2021 the FCC granted a license to an over-the-air (OTA) wireless charging system that combines near-field and far-field methods by using a frequency of about 900 MHz. Due to the radiated power of about 1 W this system is intended for small IoT devices as various sensors, trackers, detectors and monitors. [127]
When a laptop computer is operated while recharging, the integrated circuitry which controls the charging makes use of a power supply unit's remaining electrical current capacity. This allows supplying the device's components with power during usage while maintaining an uncompromised constant charging speed.
Wireless connectivity 2.5" SATA3 bay Charging port Infrared sensor NUC5i7RYH: NUC5i7RYB: i7-5557U: 28 W Iris 6100: Yes Yes No IEEE 802.11ac, Bluetooth 4.0, Intel Wireless Display: Yes Yes Yes NUC5i5RYH: NUC5i5RYB: i5-5250U: 15 W HD 6000: Yes Yes No Yes Yes Yes NUC5i5RYK: Yes Yes No No Yes Yes NUC5i3RYH: NUC5i3RYB: i3-5010U: HD 5500: Yes Yes No ...
Many laptops will not function properly at 75 W. The new [3] [when?] 60 Hz AC EmPower system provides more power than the DC system. [4] The AC EmPower system converts aircraft 400 Hz AC or wild frequency power to standard 60 Hz AC to prevent additional stresses in laptop chargers already stressed by reduced cooling at altitude. Laptops on this ...
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This is commonly used to support the DisplayPort or HDMI protocols, which allows connecting a display, such as a computer monitor or television set, via USB-C. All other connectors are not capable of two-lane operations (Gen 1×2 and Gen 2×2) in USB 3.2, but can be used for one-lane operations (Gen 1×1 and Gen 2×1). [112]
Some common DC power connectors. A DC connector (or DC plug, for one common type) is an electrical connector that supplies direct current (DC) power.. Compared to domestic AC power plugs and sockets, DC connectors have many more standard types that are not interchangeable.