Locking our Mobile Handset is helping us to get rid of Unwanted Actions and Keep our Phones to only for ours. like Calls. But unlocking the Phone's interface is not much easy in some emergency situations, especially we are using Security Passwords to Avoid Other Peoples to use our handset. And so some special facilities for Unlocking Mobile Devices were introduced in those months such as Face Recognition in Ice Cream Sandwich.
But RIM's engineers have a patent-approved answer to that: Rather than just sensing rhythm, they reckon a phone's Accelerometer could also detect the magnitude and location of each tap. And you should keep a Rhythm on touch to Unlock Your Device. Isn't It Interesting ?