
A special receiver would be used to pass controller data, and the pad could come with rumble functions as well as integrated speakers. "It may now be appreciated that among other advantages, the controller provides for backward compatibility so that it may be programmed to emulate the key layout of an older controller that may no longer be available," the filing reads.
While the U.S. retail market for games slumped 13 percent in January, according to NPD figures, accessories did see a 2 percent gain over January of 2009, the second consecutive month for year-over-year growth for the segment.