Hi!
On 1/24/07, kkr <[EMAIL PROTECTED]> wrote:
Le mardi 23 janvier 2007 à 22:15 -0400, Jose Ildefonso Camargo Tolosa a
écrit :
> Hi!
>
> Too much trouble...... the phone could get "confused" when you
> walk/run/jump, or when you are in a car/bus.
Perhaps, can we use it as a command sets in a context dependent
comportement.
For exemple, we use it only if we are in a game or if the phone is
ringing...
If the command were "shake to phone to answer", I could accidentally
answer the phone while I play with my kids!. But yes, for a game it
is REALLY good, just imagine a "car racing", in which you move the
phone to turn the car.
You could also use the accelerometer to make the phone became a
"laptop usb mouse", but which doesn't require a surface to work. I
have been studying accelerometers from Analog Devices, and Freescale
for some time now (yes, they use to give samples!).
Answering another mail:
You don't need 3 accelerometers to do that - 1 is sufficient. Gravity
is down, so you can usually use that to detect orientation of the
device (landscape, upright, upside-down). It would also allow you to
measure rotations of the device about axes (spinning/shaking).
In fact, you would require at least two in order to detect "rotation
speed", and be able to convert the system into a real "blind
navigation system". Just think about it, when you launch something,
it just pass by a point where it doesn't "feel" gravity (zero-gravity
point), and at that point the devices wouldn't know if it rotated or
not.... now, where does that can happend: and airplane, or just when
you are running.
Very interesting topic,
Ildefonso Camargo
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