An Apple patent (number 20100225429) has appeared at the US Patent & Trademark Office that shows the company is looking at ways and accessories to improve the camera features of the iPhone and iPod touch (and probably the next gen iPad).
Systems and methods are providing for aligning an accessory to an electronic device interface. In particular, some accessories such as optical filters and lens require specific alignment to operative properly. Using a first magnet array positioned around the periphery of the interface and a second magnet array positioned within the accessory, a user can position an accessory on the electronic device and rotate the accessory until the magnets of each array exert a force on an opposing magnet of the other array. By distributing the magnets in a manner that includes no repeating segments, only a single alignment of the accessory relative to the interface can allow the magnet arrays to be properly in opposition. Richard Tsai is the inventor...| Read more »