Smart LCD birght/dim...

[Ortwin Regel]

Exactly my thoughts: This sounds way too complicated to actually be
useful. I'd rather adjust my brightness manually.

On 4/12/08, Nick Guenther <kousue at gmail.com> wrote:
> On Fri, Apr 11, 2008 at 8:50 PM, "Marco Trevisan (Treviño)"
> <mail at 3v1n0.net> wrote:
> > Since Freerunner won't have an hardware light sensor to set its LCD
> > brightness, I got some ideas about smartly changing the luminance of the
> > GTA02 screen to save its battery (still with an unknown life time :/).
> >  Of course they aren't and never will be precise as an hardware sensor is,
> > but it's the only thing we have:
> >
> >  1) Setting the brightness following the hour of the day: also if the
> phone
> > can't know if it's sunny or cloudy, neither if you're indoor or outdoor,
> > it's clear that just knowing the hour of the day, the date and your
> latitude
> > (to be set once via GPS) the phone can easily know when the sun will rise
> > and set, and so it will be possible increasing or reducing the LCD
> > brightness.
> >  Also if you're indoor, I guess that when the sun is "gone" you won't need
> > so much luminance...
> >
> >  2) Using personal profiles that follow your habits: you could define, for
> > each hour of each week day the "presumed" luminance, using something like
> a
> > calendar. I mean, if on working-days I generally stay indoor every day
> from
> > 8:30 to 13:00 and from 15:00 to the 19:00 I figure that on these intervals
> I
> > don't need all the LCD power, so I'll set in my "calendar" that on such
> > interval I'll be indoor...
> >  I guess that many of you would follow a routine durning the week, why
> don't
> > educate your phone for it!?
> >
> >  3) Setting the luminance following the weather. Of course I've no light
> > sensors, neither a barometer :P, but if I've a working connection
> available
> > I could use the weather data downloaded every few minutes (60, for
> example)
> > from internet to change my screen brightness (of course merging these
> > informations with points 1 and 2)
> >
> >  What do you think about them?
> >  I do think that they are really simple to implement, and that also if
> they
> > won't guarantee a perferct result, they could be a "smart" workaround.
> >
> >  --
> >  Treviño's World - Life and Linux
> >  http://www.3v1n0.net/
> >
>
>
> Or you could just... dim it after a few seconds and go blank after a
> minute like every other phone does. If we try to solve this by complex
> heuristics we're
> 1) going to get it wrong
> 2) going to end up wasting more battery in doing the computations than
> we save by them.
>
>
> -Nick
>
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