Wireless power transfer to mobile wearable device via resonance magnetic

Scaling Rules at Constant Frequency for Resonant Inductive Power Transfer Systems for Electric Vehicles

“…This relationship can be verified also by looking at Equations (9) and (10). These relationships indicate that total and reflected impedance follow the same proportionality rule of R L .…”

“…IPT is then an effective solution for supplying power to body implanted medical devices [1,2], moving trolleys through defined paths [3,4] or underwater applications [5,6]. Currently, this technology is widely used for recharging mobile devices such as smartphones [7,8] or other daily used electronic devices [9,10]. This technology is easy to use and increases electrical safety and reliability thanks to the absence of electrical contacts.…”

Flexible on-body coils for inductive power transfer to IoT garments and wearables

“…Inductive power transfer to wearables is gaining interest as a key enabler [3]. Challenges for wide adoption include seamless integration of transmit coils into a user's everyday environment, electromagnetic safety levels, and the comfortable and desirable design of the receive coil when worn by the user.…”

Influence of exposure guidelines on the design of on-body inductive power transfer

“…Inductive power transfer is already employed in the medical field to power implanted sensors and devices. Inductive power transfer to wearables has also received interest [1].…”