Apple filed a system to be used as an universal dock for iPhone and iPod. Details and pictures are shown below:
Instead of having to deal with multiple adaptors depending on the dock-based devices you own (different version of iPod classic, iPod nano, iPhone, etc.) Apple offers a system most likely based on a shape-memory support that will allow any dock-featuring device to be plugged onto it. The specific surface can be reset once the previous device is unplugged to host another
