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Looking for prior art dated before 2010 regarding technology that determines that data being received at a mobile phone is speech if an accelerometer in the phone moves in a certain direction.

The prior art could be non patent or patent literature. I'm more interested to see how much has been published regarding this type of technology.

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Are you looking for prior art to a specific patent? It's difficult to know what could be prior art without seeing the exact wording of the claims. – Gilles Oct 1 '12 at 16:28
Not looking for a specific patent. Trying to get an idea of whether there was existing technology regarding this concept prior to 2010. – Maria Oct 1 '12 at 17:26

It's a very vague question that can be best answered by a google search restricting results by date. I found 136000 results for "voice recognition phone accelerometer" that were prior to 2010. I found a rather interesting article on research directions in 2006:

In general, I'd have to say that this was a major topic of research for many cell makers.

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