Posts Tagged ‘loosely coupled’

April 2, 2013

Wireless Charging & Induction Cooking: Opposite ends of the efficiency spectrum

It was interesting to see these comments from Qualcomm in this recent Computerworld article by  Lucas Mearian: Samsung uses Qi charging for Galaxy S4, but sees A4WP as the future. [...]

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January 29, 2013

Charging efficiency – a means to an end, or the end itself?

In my previous blog I talked about efficiency and using it to measure “how loose” a loosely coupled system actually is.  The next question is how much does an end-user [...]

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January 21, 2013

Measuring efficiency for 2D wireless charging zones – which metric is best?

Efficiency is a commonly referenced performance metric for Wireless Power systems so I thought I would take the opportunity via blog to examine: a) how it is measured, and b) [...]

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August 29, 2012

What does loose coupling mean??

Coupling is a term widely used in discussing wireless power systems – it refers to a coupling coefficient ‘k’ which defines how well a transmitter and receiver are magnetically “linked” [...]

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August 8, 2012

Making a Wireless Power Charging Standard, What is Best for Consumers

Continuing from my blog last week regarding wireless power charging of smartphones and the current debate around industry standards.… The CEA has formed 2 working groups to drive specifications, with [...]

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