The preferred embodiment of the present invention provides a system and method for programming and/or charging one or more audio/video devices such that the audio/video devices will be programmed and charged to receive transmitted audio and video signals associated with an event, allowing a user to use...http://www.google.com.au/patents/US7210160?utm_source=gb-gplus-sharePatent US7210160 - Audio/video programming and charging system and method
