So far, Apple devices with touch screens react to taps and swipes. Future applications could also respond to pressure. The iPhone maker has applied for a patent on technology which would detect when you press your finger.
The invention may further expand how consumers interact with technology, particularly with wearable devices. The patent application, filed in 2011 and published Thursday by the U.S. Patent and Trademark Office, provides the popular GarageBand music app.
The ability to sense increasing finger pressure could allow virtual pianists to play notes louder, Apple writes. Although GarageBand on iPhone and iPad already imitates pressure by measuring device vibration via the accelerometer sensor, Apple's invention calls for a new force detection layer on mobile screens...