Patent ID: 7966637

Claim:
A module for adding functionality of video decoding to a video display device, the module comprising: the video decoding functionality provided by the module but not by the video display device; a module housing for holding components facilitating the video decoding functionality; and at least one high definition multimedia interface (HDMI) connector supported by the housing and connectable to a connector for establishing a pathway for communication to the video display device, wherein valid communication between the module and the video display device is permitted only if a key selection vector (KSV) stored in one of the module or the video display device is on a list of KSVs stored in the other one of the module or the video display device, a dead air space formed by a mechanical arrangement between the module and the video display device, the module including a box-like portion that holds interior components of the module and a flat plate-like shelf extending away from the portion, the shelf not being as thick as the portion so that when the portion is flush against a receptacle of the video display device, the shelf extends above a floor of the receptacle, with an end of the shelf abutting a raised part of the video display device to establish the dead air space in which a cable connecting the module to the video display device is disposed and is connected to the floor of the receptacle, top surfaces of the shelf, box-like portion, and raised part being flush with each other.