Disney’s Wireless Power Source Allows Long-Distance Charging

Disney’s newest technology allows users to charge their mobile phones anywhere in a room with a wireless long-distance charging power source.

In a research paper entitled “Quasistatic Cavity Resonance for Ubiquitous Wireless Power Transfer” published with the peer-reviewed journal Plos One, Disney researchers including Matthew Chabalko and Alanson Sample introduced an innovative technological concept that could commercialize long-distance wireless charging in the near future.

Over the past few years, various technology giants and electronics conglomerates such as Samsung have unveiled many types of wireless charging technologies and methods. One commercially embraced method unveiled by Samsung in early last year is near-contact wireless charging, which allows Samsung mobile phone users to charge their phones simply by placing their devices on top of a laptop or a base of a monitor.

However, as noted in Disney’s research paper, companies are yet to demonstrate long-distance charging which eliminates the necessity of near-contact charging methods and enable users to literally charge their phones like they use the internet; by providing power seamlessly through the air similar to how information is transmitted.

Disney explains that with a technology called quasistatic cavity resonance (QSCR), users can begin to utilize automatic and un-aided charging by relying on quasistatic magnetic fields that bring power into mobile receivers even through large spaces.

The research paper reads:

“Existing solutions are limited to near contact distances and do not provide the geometric freedom to enable automatic and un-aided charging. Quasistatic cavity resonance (QSCR) can enable purpose-built structures, such as cabinets, rooms, and warehouses, to generate quasistatic magnetic fields that safely deliver kilowatts of power to mobile receivers contained nearly anywhere within.”

When QSCR magnetic fields are generated with purpose-build furnitures, the Disney development team reveals that coil receives of mobile phones or any devices can receive power with 40 to 95 percent efficiency. That means, the generation and placement of QSCR magnetic fields allow mobile phone users within a 54 cubic meter room or space to charge their devices without being in contact with any alternative power sources.

“An experimental demonstration shows that a 54 m3 QSCR room can deliver power to small coil receivers in nearly any position with 40% to 95% efficiency. Finally, a detailed safety analysis shows that up to 1900 watts can be transmitted to a coil receiver enabling safe and ubiquitous wireless power,” researchers from Disney explained.

As of now, the QSCR system is still at the experimental stage and is quite distant from being commercialized. Disney will continue to carry out experiments and tests within various ecosystems and different types of rooms with furniture to ensure that the technology can be safely and efficiently adopted by technology firms in the future.

Image Via: Disney, LA Times

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