Auto backlight management?

[Carl-Daniel Hailfinger]

On 25.04.2008 06:25, Ivan Krstić wrote:
> On Apr 24, 2008, at 10:39 PM, Frank Ch. Eigler wrote:
>   
>> Opportunistic use of the on-board camera and the time-of-day clock
>> could yield such heuristics.
>>     
>
>
> The camera lights up an LED when enabled, alerting the laptop operator  
> to its use. This privacy-preserving feature would be rendered  
> ineffective if kids got used to seeing the LED flash on and off every  
> so often as the system autonomously attempts to adjust the backlight.
>   


Is there a "warning time" period from activating the LED to activating
the camera? Just that when someone works in front of the laptop, can he
simply close it fast enough when the camera light goes on unexpectedly?


Regards,
Carl-Daniel