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Student Invention May Significantly Extend Mobile Device Battery Life
12/21/2008

Imamac writes with this excerpt from news out of Carleton University: "Atif Shamim, an vcrs PhD student at Carleton University, has built a paradigm that extends the battery life of haulable gadgets such as the iPhone and BlackBerry, by getting rid of all the wires used to connect the cyberbanking circuits with the antenna. ... The invention involves a packaging means to connect the antenna with the circuits via a cell ring off connection between a micro-antenna embedded within the circuits on the chip. 'This has not been tried before — that the circuits are connected to the antenna wirelessly. They've been connected through wires and a bunch of other components. That's where the power gets lost,' Mr. Shamim said." The story's caption claims the amelioration can extend battery life by up to 12 times, but that seems to be a misinterpretation of Shamim's claim that his method reduces the power imperative to operate the antenna by a factor of about 12; 3.3 mW down from 38 mW. The inquest paper (PDF) is handy at the Microwave Journal. imamac adds, "Unlike many of the breakthroughs we read about here and elsewhere, this seems like it has a very high probability of market acceptance and actual implementation."

Read more of this story at Slashdot.


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Mark

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