Some ideas for the accelerometer

Al Johnson openmoko at
Fri Oct 12 12:13:21 CEST 2007

It should be reasonably easy to tell them apart. Knocking the phone should 
give a sharp peak acceleration with greater magnitude than you would get from 
walking. We'll only find out by trying it though ;-)

On Friday 12 October 2007, ROULLAND bruno wrote:
> Hello, this idea could be great,
> but this option could shut up the phone when you walk,no ?
> 2007/10/12, Dietz Proepper <dietz.openmoko at>:

> > The following scenario, you carry your phone in some pocket. Now it
> > rings, but you want it to get quiet quickly. What happens? You start
> > digging for your phone, struggle for the "get quiet" button. Wouldn't it
> > be more comfortable to simply knock at the pocket (and therefore the
> > phone), detect the acceleration of the shock and shut off the bell? I
> > don't have a Neo to try, but if the accelerometer is sensible enough to
> > realize such an event, it should be quite easy to implement I think.
> > If that works, making "knocking the phone" some kind of input event might
> > be the next logical step...

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