In the continuous effort to see what Apple has got in store with its new iOS version, for the iPad carefull searching reveals this one. As seen in in the image above, it has a new key “PAD_CASE_LOCK_FOOTER” and described as “Automatically lock and unlock your iPad when you close and open the iPad cover. Now we can speculate as to how they’ll apply this but they would probably place a proximity sensor. Again, take this with a grain of salt but it’s not something impossible, right?
TechGeeze > Technology > Gadgets > iPad 2 may have proximity sensors included, as “hinted” by iOS 4.3 beta.