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Wireless Power technology is based on the transfer of power by induction between at least two coils, at least one in a power transmitter (e.g., in a wireless power charger) and one in a power receiver (e.g., in a mobile device such as a smart phone). This enables cable-free charging of battery powered devices by simply placing the device on a wireless charger or on a surface with a built-in charger, for example in a desk or in a car. As the technology continues to develop and gain adoption, additional implementations for higher power devices, such as laptops, power tools, kitchen appliances and electric vehicles are expected to become more prevalent.
Many electronic and mobile devices and compatible chargers today implement wireless charging according to the Qi standard developed by the Wireless Power Consortium which was founded in 2008. Philips was one of the eight founding members of the Wireless Power Consortium.
The Philips Wireless Power patent portfolio comprises patents that are essential to the Qi standard as well as patents that cover beneficial implementations. The Philips Wireless Power Patents cover various aspects of Wireless Power Technology, such as communication, power control, transmitter and receiver design, safety, foreign object detection, coil configurations, electronic circuitry, and shielding.