Wireless power demos abound at CEATEC, and Rohm Semiconductor had their own variant on hand with a whole




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share this: the word* iPhone 4 (or was it a 4S?). Like Murata's prototype, the Rohm flavor uses square electrodes instead of the coils that you'll find in orthodox satellite blast power solutions, like Qi. But unlike that ostensively identical eureka from Murata, this version supports much greater power efficiency -- thing in the 92 to 93 percent range (compared to the competing pad's 70-percent efficiency rating). That means that the mock-up* that we're looking at here loses just seven to eight percent of power during stick shift -- which is still unacceptably high, mind you, but far more tolerable. Rohm's adherent jingle Power stick shift system also allows you to charge or power devices by placing them anyplace on the pad, rather than right over law positions, and it supports much greater transmission, with one model outputting up to 100 watts.



Since power efficiency isn't existence we could verify visually, what we could see at the company's demo did appear to work quite well. Powering a gadget is as simple as dropping it on the pad. Well, resting it gently -- this is a precedent we're talking about, after all. The 50-watt pad was able to power a fan, LED light, and a couple of decretum smartphones without issue. The light and fan jumped to full power as soon as they made contact. A second pad got the juices flowing to a large OLED light panel, which was plenty bright when positioned on its own pad, but glowed quite dim when joining other devices. There weren't any command laptops on hand, like we saw over at Murata, but with power output at 50 and 100 watts, either pad could theoretically support it. Like many of the prototypes we've seen at CEATEC, there aren't any plans to very bring the system to market, but the hi tech* could be used in other devices. We go hands-on after the break.

Continue reading Rohm field call up Power criterion system hands-on (video)

Rohm field contact Power stick shift system hands-on (video) basically appeared on Engadget on Thu, 06 Oct 2011 09:42:00 EDT. Please see our terms for use of feeds.

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