Apple has filed a patent (number 20120275206) for its power adapters for powering and charging peripheral devices.

The power adapter includes a housing that contains electrical components associated with the power adapter. The power adapter also includes a data port provided at a surface of the housing. The data port is configured to provide external power to the peripheral device.

The inventors are Daniele DeIuiis, Andrew Bert Hodge, Jeffrey L. Robbin, Stanley Carl Ng, Eric W. Anderson and Anthony M. Fadell.