Posts tagged sensori di prossimità
We got a mail from an Android phone owner who’d like to use his device in an obstacle detection system. His own particular needs required this solution to work in the traffic too, but here reaction spans have to be very short and dedicated devices are surely a better choice. However this request was interesting enough to make us wonder a bit about it. Here are our results.
One of the most frequent questions we’re asked is “what’s a proximity sensor? what is it used for in a smartphone?”. If I’m in the right mood I generally answer that, if you put your device on the windshield of your car, it will help you mantaining a safe distance from the preceeding car.
Obviously I immediately say I’m just joking, because I don’t want anyone’s life on my coscience. Nonetheless technically a car proximity sensor works just the same as the one in your phone.
Even though so far smartphones, mobiles par excellance, are leading, it’s better to get ready for Android tablets and netbooks too. This will then be out “zero” distinction.
The first thing you might be interested in is display size. Generally, these are between 2.8 and 4 inches (~7-10 cm). This characteristic affects multimedia mobile phones capabilities, that is displaying photos, videos and above all websites that are not optimized for small screens (this is quite important: in past years mobile industry tried to impose a standard to web designers, but in the end its phone browsers that had to find ways to solve the More >