Patent ID: 8949481
Filing Date: 2015-02-03
Classification: G09G

Abstract:
1. An apparatus for enabling HDMI and DisplayPort interoperability between a source multimedia display interface of a source multimedia device and a sink multimedia display interface of a sink multimedia device, wherein the apparatus is located in and operable in the source multimedia device, comprising: an input coupled to a multimedia connector, wherein the multimedia connector is an HDMI or DisplayPort connector; and a comparator for determining a type of the multimedia display interface of the sink multimedia device connected to the source multimedia device based on at least a voltage level of a transition minimized differential signaling (TMDS) clock signal received through the multimedia connector, wherein the determined type of the multimedia display interface is HDMI or DisplayPort, and wherein the comparator sets the source multimedia device to operate in a mode compliant with the multimedia interface of the sink device.