Sony wireless power transfer

Sony builds highly efficient wireless power transfer - Digital cameras, digital camera reviews, photography views and news newsOctober 4, 2009 - 07:30 GMT
Sony announces the development of a highly efficient wireless power transfer system that eliminates use of power cables from products such as television sets. With the system, up to 60 Watts electrical energy can be transferred over a distance of 50cm. This new system incorporates a form of electrical energy transmission technology based on magnetic resonance. With magnetic resonance, the electromagnetic energy is only transferred to recipient devices that share the identical resonant frequencies as the energy source...More