a new keyboard - discuss and critique

Carsten Haitzler (The Rasterman) raster at rasterman.com
Wed Jun 3 20:34:03 CEST 2009


On Wed, 03 Jun 2009 11:05:12 -0700 Steve Mosher <steve at openmoko.com> said:

indeed. if there is a lot of deadspace where no hit happens its then even
harder for a corrective algo + dict to work as often u will tap and nothing
happens (it happens often enough on the gta02if you use a finger. using
fingernails or stylus is better, but the ts isnt very sensitive)

> yes, you substitute one error for the other. the issue is the probablity 
> of those errors and the time to correct..
> 
> no harm in testing the approach, if somebody has time on their hands
> 
> Carsten Haitzler (The Rasterman) wrote:
> > On Wed, 3 Jun 2009 14:07:07 +0200 Marcel <tanuva at googlemail.com> said:
> > 
> >> I simply want to try that design before sending it to hell, maybe it just 
> >> works fine... I agree with people who said this before: Hitting actually 
> >> dead space is less painful than hitting the wrong key and having to 
> >> backspace/stroke-left all the time, maybe even accidentally pressing other 
> >> keys while doing that.
> > 
> > but u'll hit dead space (nothing) about 50% more often than the actual key
> > you intended to hit now (as 50% of the area it would have normally used is
> > now dead space). for a physical kbd it might help as u have better tactile
> > feel as u have more edge near the finger, but for a touchscreen - all you
> > do is lose 50% of he area you had before for hitting keys. (admittedly  for
> > mis-types now where you would have hit another key there is less area to
> > hit too).
> > 
> > so you lose more keypresses (you lost 50% of the hit area), but you lost
> > mis-hit area too.
> > 
> > one way or another - you press, then quickly press next key, but then notice
> > that the previous key wasn't hit - u still need to backspace and re-enter
> > again (possibly missing again). you just give up 1 kind of error for
> > another kind
> > 
> 
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------------- Codito, ergo sum - "I code, therefore I am" --------------
The Rasterman (Carsten Haitzler)    raster at rasterman.com





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