Sony filed a patent for a Vita that includes HDMI and USB ports. The patent, spotted by Patent Bolt, was filed on February 7 in the US and includes a detailed run-down of the hardware, including the above photo of a Vita with HDMI and USB connection slots (25 and 24, respectively). Do
Please note this configuration matches that of a Vita dev kit, so it could nothing unless you are a dev for the platform.