What They Say
Reasonance of Russia announced at CES that it had developed a system to allow wireless power to be transmitted with enough capacity to power a 40″ TV using 120W at a distance of up to 50cm. The transmitting component can be placed at 90° to the set, with the receiving coil parallel to the set.
The firm said that Reasonance is a fundamentally new tech that differs from all known methods of wireless power transfer. It is based on classic magnetic resonance but brings it to the next, advanced level.
On its website, the firm said “Our solution combines both inductance and capacitance solutions in a single package. We managed to make the coil function as a capacitor. Everybody else has wired-connected oscillating circuits which consist of 2 elements, but we have a single-element oscillating system which performs both functions at the same time; moreover, our number of oscillating circuits is unlimited”.
What We Think
Field theory was always a bit of a blind spot to me as a student, so I don’t plan to give a technical critique of the firm’s technology. However, I would raise two issues. First, the coils in the firm’s demo system are very big. That’s not really an issue with the receiver, given the size of premium TVs, but it probably would be if the transmitter had to be behind the display as it would make it hard to fit the display to the wall. (I’m assuming here that the gap between the receiver and the set is for illustration purposes and is not a technical requirement)
Secondly, the kind of feature that helps with set-up but adds cost but doesn’t bring any new function except convenience (motorised curved TVs, wireless connectivity between controllers and displays) have a poor record in achieving any long term traction, although they may draw attention as a gimmick. (BR)
